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diff --git a/layout/style/test/test_font_loading_api.html b/layout/style/test/test_font_loading_api.html new file mode 100644 index 000000000..26c5a2a85 --- /dev/null +++ b/layout/style/test/test_font_loading_api.html @@ -0,0 +1,1897 @@ +<!DOCTYPE html> +<meta charset=utf-8> +<title>Test for the CSS Font Loading API</title> +<script src=/tests/SimpleTest/SimpleTest.js></script> +<link rel=stylesheet type=text/css href=/tests/SimpleTest/test.css> + +<script src=descriptor_database.js></script> + +<body onload="start()"> +<iframe id=v src="file_font_loading_api_vframe.html"></iframe> +<iframe id=n style="display: none"></iframe> + +<script> +// Map of FontFace descriptor attribute names to @font-face rule descriptor +// names. +var descriptorNames = { + style: "font-style", + weight: "font-weight", + stretch: "font-stretch", + unicodeRange: "unicode-range", + variant: "font-variant", + featureSettings: "font-feature-settings", + display: "font-display" +}; + +// Default values for the FontFace descriptor attributes other than family, as +// Gecko currently serializes them. +var defaultValues = { + style: "normal", + weight: "normal", + stretch: "normal", + unicodeRange: "U+0-10FFFF", + variant: "normal", + featureSettings: "normal", + display: "auto" +}; + +// Non-default values for the FontFace descriptor attributes other than family +// along with how Gecko currently serializes them. Each value is chosen to be +// different from the default value and also has a different serialized form. +var nonDefaultValues = { + style: ["Italic", "italic"], + weight: ["Bold", "bold"], + stretch: ["Ultra-Condensed", "ultra-condensed"], + unicodeRange: ["U+3??", "U+300-3FF"], + variant: ["Small-Caps", "small-caps"], + featureSettings: ["'dlig' on", "\"dlig\""], + display: ["Block", "block"] +}; + +// Invalid values for the FontFace descriptor attributes other than family. +var invalidValues = { + style: "initial", + weight: "bolder", + stretch: "wider", + unicodeRange: "U+1????-2????", + variant: "inherit", + featureSettings: "dlig", + display: "normal" +}; + +// Invalid font family names. +var invalidFontFamilyNames = [ + "", "\"\"", "sans-serif", "A, B", "inherit", "a 1" +]; + +// Font family list where at least one is likely to be available on +// platforms we care about. +var likelyPlatformFonts = "Helvetica Neue, Bitstream Vera Sans, Bitstream Vera Sans Roman, FreeSans, Free Sans, SwissA, DejaVu Sans, Arial"; + +// Will hold an ArrayBuffer containing a valid font. +var fontData; + +var queue = Promise.resolve(); + +function is_resolved_with(aPromise, aExpectedValue, aDescription, aTestID) { + // This assumes that all Promise tasks come from the task source. + var handled = false; + return new Promise(function(aResolve, aReject) { + aPromise.then(function(aValue) { + if (!handled) { + handled = true; + is(aValue, aExpectedValue, aDescription + " should be resolved with the expected value " + aTestID); + aResolve(); + } + }, function(aError) { + if (!handled) { + handled = true; + ok(false, aDescription + " should be resolved; instead it was rejected with " + aError + " " + aTestID); + aResolve(); + } + }); + Promise.resolve().then(function() { + if (!handled) { + handled = true; + ok(false, aDescription + " should be resolved; instead it is pending " + aTestID); + aResolve(); + } + }); + }); +} + +function is_pending(aPromise, aDescription, aTestID) { + // This assumes that all Promise tasks come from the task source. + var handled = false; + return new Promise(function(aResolve, aReject) { + aPromise.then(function(aValue) { + if (!handled) { + handled = true; + ok(false, aDescription + " should be pending; instead it was resolved with " + aValue + " " + aTestID); + aResolve(); + } + }, function(aError) { + if (!handled) { + handled = true; + ok(false, aDescription + " should be pending; instead it was rejected with " + aError + " " + aTestID); + aResolve(); + } + }); + Promise.resolve().then(function() { + if (!handled) { + handled = true; + ok(true, aDescription + " should be pending " + aTestID); + aResolve(); + } + }); + }); +} + +function fetchAsArrayBuffer(aURL) { + var xhr; + return new Promise(function(aResolve, aReject) { + var xhr = new XMLHttpRequest(); + xhr.open("GET", aURL); + xhr.responseType = "arraybuffer"; + xhr.onreadystatechange = function(evt) { + if (xhr.readyState == 4) { + if (xhr.status >= 200 && xhr.status <= 299) { + aResolve(xhr.response); + } else { + aReject(new Error("Error fetching file " + aURL + ", status " + xhr.status)); + } + } + }; + xhr.send(); + }); +} + +function setTimeoutZero() { + return new Promise(function(aResolve, aReject) { + setTimeout(aResolve, 0); + }); +} + +function awaitRefresh() { + function awaitOneRefresh() { + return new Promise(function(aResolve, aReject) { + requestAnimationFrame(aResolve); + }); + } + + return awaitOneRefresh().then(awaitOneRefresh); +} + +function runTest() { + // Document and window from inside the display:none iframe. + var nframe = document.getElementById("n"); + var ndocument = nframe.contentDocument; + var nwindow = nframe.contentWindow; + + // Document and window from inside the visible iframe. + var vframe = document.getElementById("v"); + var vdocument = vframe.contentDocument; + var vwindow = vframe.contentWindow; + + // For iterating over different combinations of documents and windows + // to test with. + var sources = [ + { win: window, doc: document, what: "window/document" }, + { win: vwindow, doc: vdocument, what: "vwindow/vdocument" }, + { win: nwindow, doc: ndocument, what: "nwindow/ndocument" }, + { win: window, doc: vdocument, what: "window/vdocument" }, + { win: window, doc: ndocument, what: "window/ndocument" }, + { win: vwindow, doc: document, what: "vwindow/document" }, + { win: vwindow, doc: ndocument, what: "vwindow/ndocument" }, + { win: nwindow, doc: document, what: "nwindow/document" }, + { win: nwindow, doc: vdocument, what: "nwindow/vdocument" }, + ]; + + var sourceDocuments = [ + { doc: document, what: "document" }, + { doc: vdocument, what: "vdocument" }, + { doc: ndocument, what: "ndocument" }, + ]; + + var sourceWindows = [ + { win: window, what: "window" }, + { win: vwindow, what: "vwindow" }, + { win: nwindow, what: "nwindow" }, + ]; + + queue = queue.then(function() { + + // First, initialize fontData. + return fetchAsArrayBuffer("BitPattern.woff") + .then(function(aResult) { fontData = aResult; }); + + }).then(function() { + + // (TEST 1) Some miscellaneous tests for FontFaceSet and FontFace. + ok(window.FontFaceSet, "FontFaceSet interface object should be present (TEST 1)"); + is(Object.getPrototypeOf(FontFaceSet.prototype), EventTarget.prototype, "FontFaceSet should inherit from EventTarget (TEST 1)"); + ok(document.fonts instanceof FontFaceSet, "document.fonts should be a a FontFaceSet (TEST 1)"); + ok(window.FontFace, "FontFace interface object should be present (TEST 1)"); + is(Object.getPrototypeOf(FontFace.prototype), Object.prototype, "FontFace should inherit from Object (TEST 1)"); + + // (TEST 2) Some miscellaneous tests for FontFaceSetLoadEvent. + ok(window.FontFaceSetLoadEvent, "FontFaceSetLoadEvent interface object should be present (TEST 2)"); + is(Object.getPrototypeOf(FontFaceSetLoadEvent.prototype), Event.prototype, "FontFaceSetLoadEvent should inherit from Event (TEST 2)"); + + }).then(function() { + + // (TEST 3) Test that document.fonts.ready starts out resolved with the + // FontFaceSet. + var p = Promise.resolve(); + sourceDocuments.forEach(function({ doc, what }) { + p = p.then(function() { + return is_resolved_with(doc.fonts.ready, doc.fonts, "initial value of document.fonts", "(TEST 3) (" + what + ")"); + }); + }); + return p; + + }).then(function() { + + // (TEST 4) Test that document.fonts in this test document starts out with no + // FontFace objects in it. + sourceDocuments.forEach(function({ doc, what }) { + is(Array.from(doc.fonts).length, 0, "initial number of FontFace objects in document.fonts (TEST 4) (" + what + ")"); + }); + + // (TEST 5) Test that document.fonts.status starts off as loaded. + sourceDocuments.forEach(function({ doc, what }) { + is(doc.fonts.status, "loaded", "initial value of document.fonts.status (TEST 5) (" + what + ")"); + }); + + // (TEST 6) Test initial value of FontFace.status when a url() source is + // used. + sourceWindows.forEach(function({ win, what }) { + is(new win.FontFace("test", "url(x)").status, "unloaded", "initial value of FontFace.status when a url() source is used (TEST 6) (" + what + ")"); + }); + + // (TEST 7) Test initial value of FontFace.status when an invalid + // ArrayBuffer source is used. Because it has an implicit initial + // load() call, it should either be "loading" if the browser is + // asynchronously parsing the font data, or "error" if it parsed + // it immediately. + sourceWindows.forEach(function({ win, what }) { + var status = new win.FontFace("test", new ArrayBuffer(0)).status; + ok(status == "loading" || status == "error", "initial value of FontFace.status when an invalid ArrayBuffer source is used (TEST 7) (" + what + ")"); + }); + + // (TEST 8) Test initial value of FontFace.status when a valid ArrayBuffer + // source is used. Because it has an implicit initial load() call, it + // should either be "loading" if the browser is asynchronously parsing the + // font data, or "loaded" if it parsed it immediately. + sourceWindows.forEach(function({ win, what }) { + status = new win.FontFace("test", fontData).status; + ok(status == "loading" || status == "loaded", "initial value of FontFace.status when a valid ArrayBuffer source is used (TEST 8) (" + what + ")"); + }); + + // (TEST 9) (old test became redundant with TEST 19) + + }).then(function() { + + // (TEST 10) Test initial value of FontFace.loaded when a valid url() + // source is used. + var p = Promise.resolve(); + sourceWindows.forEach(function({ win, what }) { + p = p.then(function() { + return is_pending(new win.FontFace("test", "url(x)").loaded, "initial value of FontFace.loaded when a valid url() source is used", "(TEST 10) (" + what + ")"); + }); + }); + return p; + + }).then(function() { + + // (TEST 11) (old test became redundant with TEST 21) + + }).then(function() { + + // (TEST 12) (old test became redundant with TEST 20) + + }).then(function() { + + // (TEST 13) Test initial values of the descriptor attributes on FontFace + // objects. + sourceWindows.forEach(function({ win, what }) { + var face = new win.FontFace("test", fontData); + // XXX Spec issue: what values do the descriptor attributes have before the + // constructor's dictionary argument is parsed? + for (var desc in defaultValues) { + is(face[desc], defaultValues[desc], "initial value of FontFace." + desc + " (TEST 13) (" + what + ")"); + } + }); + + // (TEST 14) Test default values of the FontFaceDescriptors dictionary. + var p = Promise.resolve(); + sourceWindows.forEach(function({ win, what }) { + p = p.then(function() { + var face = new win.FontFace("test", fontData); + return face.loaded.then(function() { + for (var desc in defaultValues) { + is(face[desc], defaultValues[desc], "default value of FontFace." + desc + " (TEST 14) (" + what + ")"); + } + }, function(aError) { + ok(false, "FontFace should have loaded succesfully (TEST 14) (" + what + ")"); + }); + }); + }); + return p; + + }).then(function() { + + // (TEST 15) Test passing non-default descriptor values to the FontFace + // constructor. + var p = Promise.resolve(); + sourceWindows.forEach(function({ win, what }) { + p = p.then(function() { + var descriptorTests = Promise.resolve(); + Object.keys(nonDefaultValues).forEach(function(aDesc) { + descriptorTests = descriptorTests.then(function() { + var init = {}; + init[aDesc] = nonDefaultValues[aDesc][0]; + var face = new win.FontFace("test", fontData, init); + var ok_todo = aDesc == "variant" ? todo : ok; + ok_todo(face[aDesc] == nonDefaultValues[aDesc][1], "specified valid non-default value of FontFace." + aDesc + " immediately after construction (TEST 15) (" + what + ")"); + return face.loaded.then(function() { + ok_todo(face[aDesc] == nonDefaultValues[aDesc][1], "specified valid non-default value of FontFace." + aDesc + " (TEST 15) (" + what + ")"); + }, function(aError) { + ok(false, "FontFace should have loaded succesfully (TEST 15) (" + what + ")"); + }); + }); + }); + return descriptorTests; + }); + }); + return p; + + }).then(function() { + + // (TEST 16) Test passing invalid descriptor values to the FontFace + // constructor. + var p = Promise.resolve(); + sourceWindows.forEach(function({ win, what }) { + p = p.then(function() { + var descriptorTests = Promise.resolve(); + Object.keys(invalidValues).forEach(function(aDesc) { + descriptorTests = descriptorTests.then(function() { + var init = {}; + init[aDesc] = invalidValues[aDesc]; + var face = new win.FontFace("test", fontData, init); + var ok_todo = aDesc == "variant" ? todo : ok; + ok_todo(face.status == "error", "FontFace should be error immediately after construction with invalid value of FontFace." + aDesc + " (TEST 16) (" + what + ")"); + return face.loaded.then(function() { + ok_todo(false, "FontFace should not load after invalid value of FontFace." + aDesc + " specified (TEST 16) (" + what + ")"); + }, function(aError) { + ok(true, "FontFace should not load after invalid value of FontFace." + aDesc + " specified (TEST 16) (" + what + ")"); + is(aError.name, "SyntaxError", "FontFace.loaded with invalid value of FontFace." + aDesc + " should be rejected with a SyntaxError (TEST 16) (" + what + ")"); + }); + }); + }); + return descriptorTests; + }); + }); + return p; + + }).then(function() { + + // (TEST 17) Test passing an invalid font family name to the FontFace + // constructor. + var p = Promise.resolve(); + sourceWindows.forEach(function({ win, what }) { + p = p.then(function() { + var familyTests = Promise.resolve(); + invalidFontFamilyNames.forEach(function(aFamilyName) { + familyTests = familyTests.then(function() { + var face = new win.FontFace(aFamilyName, fontData); + is(face.status, "error", "FontFace should be error immediately after construction with invalid family name " + aFamilyName + " (TEST 17) (" + what + ")"); + is(face.family, "", "FontFace.family should be the empty string after construction with invalid family name " + aFamilyName + " (TEST 17) (" + what + ")"); + return face.loaded.then(function() { + ok(false, "FontFace should not load after invalid family name " + aFamilyName + " specified (TEST 17) (" + what + ")"); + }, function(aError) { + ok(true, "FontFace should not load after invalid family name " + aFamilyName + " specified (TEST 17) (" + what + ")"); + is(aError.name, "SyntaxError", "FontFace.loaded with invalid family name " + aFamilyName + " should be rejected with a SyntaxError (TEST 17) (" + what + ")"); + }); + }); + }); + return familyTests; + }); + }); + return p; + + }).then(function() { + + // XXX Disabled this sub-test due to intermittent failures (bug 1076803). + return; + + // (TEST 18) Test passing valid url() source strings to the FontFace + // constructor. + var p = Promise.resolve(); + sourceWindows.forEach(function({ win, what }) { + p = p.then(function() { + var srcTests = Promise.resolve(); + gCSSFontFaceDescriptors.src.values.forEach(function(aSrc) { + srcTests = srcTests.then(function() { + var face = new win.FontFace("test", aSrc); + return face.load().then(function() { + ok(true, "FontFace should load with valid url() src " + aSrc + " (TEST 18) (" + what + ")"); + }, function(aError) { + is(aError.name, "NetworkError", "FontFace had NetworkError when loading with valid url() src " + aSrc + " (TEST 18) (" + what + ")"); + }); + }); + }); + return srcTests; + }); + }); + return p; + + }).then(function() { + + // (TEST 19) Test passing invalid url() source strings to the FontFace + // constructor. + var p = Promise.resolve(); + sourceWindows.forEach(function({ win, what }) { + p = p.then(function() { + var srcTests = Promise.resolve(); + gCSSFontFaceDescriptors.src.invalid_values.forEach(function(aSrc) { + srcTests = srcTests.then(function() { + var face = new win.FontFace("test", aSrc); + is(face.status, "error", "FontFace.status should be \"error\" when constructed with an invalid url() src " + aSrc + " (TEST 19) (" + what + ")"); + return face.loaded.then(function() { + ok(false, "FontFace should not load with invalid url() src " + aSrc + " (TEST 19) (" + what + ")"); + }, function(aError) { + is(aError.name, "SyntaxError", "FontFace.ready should have been rejected with a SyntaxError when constructed with an invalid url() src " + aSrc + " (TEST 19) (" + what + ")"); + }); + }); + }); + return srcTests; + }); + }); + return p; + + }).then(function() { + + // (TEST 20) Test that the status of a FontFace constructed with a valid + // ArrayBuffer source eventually becomes "loaded". + var p = Promise.resolve(); + sourceWindows.forEach(function({ win, what }) { + p = p.then(function() { + var face = new win.FontFace("test", fontData); + return face.loaded.then(function(aFace) { + is(face.status, "loaded", "status of FontFace constructed with a valid ArrayBuffer source should eventually be \"loaded\" (TEST 20) (" + what + ")"); + is(face, aFace, "FontFace.loaded was resolved with the FontFace object once loaded (TEST 20) (" + what + ")"); + }, function(aError) { + ok(false, "FontFace constructed with a valid ArrayBuffer should eventually load (TEST 20) (" + what + ")"); + }); + }); + }); + return p; + + }).then(function() { + + // (TEST 21) Test that the status of a FontFace constructed with an invalid + // ArrayBuffer source eventually becomes "error". + var p = Promise.resolve(); + sourceWindows.forEach(function({ win, what }) { + p = p.then(function() { + var face = new win.FontFace("test", new ArrayBuffer(0)); + return face.loaded.then(function() { + ok(false, "FontFace constructed with an invalid ArrayBuffer should not load (TEST 21) (" + what + ")"); + }, function(aError) { + is(aError.name, "SyntaxError", "loaded of FontFace constructed with an invalid ArrayBuffer source should be rejected with TypeError (TEST 21) (" + what + ")"); + is(face.status, "error", "status of FontFace constructed with an invalid ArrayBuffer source should eventually be \"error\" (TEST 21) (" + what + ")"); + }); + }); + }); + return p; + + }).then(function() { + + // (TEST 22) Test assigning non-default descriptor values on the FontFace. + var p = Promise.resolve(); + sourceWindows.forEach(function({ win, what }) { + p = p.then(function() { + var descriptorTests = Promise.resolve(); + Object.keys(nonDefaultValues).forEach(function(aDesc) { + descriptorTests = descriptorTests.then(function() { + var face = new win.FontFace("test", fontData); + return face.loaded.then(function() { + var ok_todo = aDesc == "variant" ? todo : ok; + face[aDesc] = nonDefaultValues[aDesc][0]; + ok_todo(face[aDesc] == nonDefaultValues[aDesc][1], "assigned valid non-default value to FontFace." + aDesc + " (TEST 22) (" + what + ")"); + }, function(aError) { + ok(false, "FontFace should have loaded succesfully (TEST 22) (" + what + ")"); + }); + }); + }); + return descriptorTests; + }); + }); + return p; + + }).then(function() { + + // (TEST 23) Test assigning invalid descriptor values on the FontFace. + var p = Promise.resolve(); + sourceWindows.forEach(function({ win, what }) { + p = p.then(function() { + var descriptorTests = Promise.resolve(); + Object.keys(invalidValues).forEach(function(aDesc) { + descriptorTests = descriptorTests.then(function() { + var face = new win.FontFace("test", fontData); + return face.loaded.then(function() { + var ok_todo = aDesc == "variant" ? todo : ok; + var exceptionName = ""; + try { + face[aDesc] = invalidValues[aDesc]; + } catch (ex) { + exceptionName = ex.name; + } + ok_todo(exceptionName == "SyntaxError", "assigning invalid value to FontFace." + aDesc + " should throw a SyntaxError (TEST 23) (" + what + ")"); + }, function(aError) { + ok(false, "FontFace should have loaded succesfully (TEST 23) (" + what + ")"); + }); + }); + }); + return descriptorTests; + }); + }); + return p; + + }).then(function() { + + // (TEST 24) Test that the status of a FontFace with a non-existing url() + // source is set to "loading" right after load() is called, that its .loaded + // Promise is returned, and that the Promise is eventually rejected with a + // NetworkError and its status is set to "error". + var p = Promise.resolve(); + sourceWindows.forEach(function({ win, what }) { + p = p.then(function() { + var face = new win.FontFace("test", "url(x)"); + var result = face.load(); + is(face.status, "loading", "FontFace.status should be \"loading\" right after load() is called (TEST 24) (" + what + ")"); + is(result, face.loaded, "FontFace.load() should return the .loaded Promise (TEST 24) (" + what + ")"); + + return result.then(function() { + ok(false, "FontFace with a non-existing url() source should not load (TEST 24) (" + what + ")"); + }, function(aError) { + is(aError.name, "NetworkError", "FontFace with a non-existing url() source should result in its .loaded Promise being rejected with a NetworkError (TEST 24) (" + what + ")"); + is(face.status, "error", "FontFace with a non-existing url() source should result in its .status being set to \"error\" (TEST 24) (" + what + ")"); + }); + }); + }); + return p; + + }).then(function() { + + // (TEST 25) Test simple manipulation of the FontFaceSet. + var p = Promise.resolve(); + sources.forEach(function({ win, doc, what }) { + p = p.then(function() { + var face, face2, all; + face = new win.FontFace("test", "url(x)"); + face2 = new win.FontFace("test2", "url(x)"); + ok(!doc.fonts.has(face), "newly created FontFace should not be in document.fonts (TEST 25) (" + what + ")"); + doc.fonts.add(face); + ok(doc.fonts.has(face), "should be able to add a FontFace to document.fonts (TEST 25) (" + what + ")"); + doc.fonts.add(face); + ok(doc.fonts.has(face), "should be able to repeatedly add a FontFace to document.fonts (TEST 25) (" + what + ")"); + ok(doc.fonts.delete(face), "FontFaceSet.delete should return true when it succeeds (TEST 25) (" + what + ")"); + ok(!doc.fonts.has(face), "FontFace should be gone from document.fonts after delete is called (TEST 25) (" + what + ")"); + ok(!doc.fonts.delete(face), "FontFaceSet.delete should return false when it fails (TEST 25) (" + what + ")"); + doc.fonts.add(face); + doc.fonts.add(face2); + ok(doc.fonts.has(face2), "should be able to add a second FontFace to document.fonts (TEST 25) (" + what + ")"); + doc.fonts.clear(); + ok(!doc.fonts.has(face) && !doc.fonts.has(face2), "FontFaces should be gone from document.fonts after clear is called (TEST 25) (" + what + ")"); + doc.fonts.add(face); + doc.fonts.add(face2); + all = Array.from(doc.fonts); + is(all[0], face, "FontFaces should be returned in the same order as insertion (TEST 25) (" + what + ")"); + is(all[1], face2, "FontFaces should be returned in the same order as insertion (TEST 25) (" + what + ")"); + doc.fonts.add(face); + all = Array.from(doc.fonts); + is(all[0], face, "FontFaces should be not be reordered when a duplicate entry is added (TEST 25) (" + what + ")"); + is(all[1], face2, "FontFaces should be not be reordered when a duplicate entry is added (TEST 25) (" + what + ")"); + doc.fonts.clear(); + return doc.fonts.ready; + }); + }); + return p; + + }).then(function() { + + // (TEST 26) Test that FontFaceSet.ready is replaced, .status is set to + // "loading", and a loading event is dispatched when a loading FontFace is + // added to it. + var p = Promise.resolve(); + sources.forEach(function({ win, doc, what }) { + p = p.then(function() { + var awaitEvents = new Promise(function(aResolve, aReject) { + + var onloadingTriggered = false, loadingDispatched = false; + + function check() { + if (onloadingTriggered && loadingDispatched) { + doc.fonts.onloading = null; + doc.fonts.removeEventListener("loading", listener); + aResolve(); + } + } + + var listener = function(aEvent) { + is(Object.getPrototypeOf(aEvent), doc.defaultView.Event.prototype, "loading event should be a plain Event object (TEST 26) (" + what + ")"); + loadingDispatched = true; + check(); + }; + doc.fonts.addEventListener("loading", listener); + doc.fonts.onloading = function(aEvent) { + is(Object.getPrototypeOf(aEvent), doc.defaultView.Event.prototype, "loading event should be a plain Event object (TEST 26) (" + what + ")"); + onloadingTriggered = true; + check(); + }; + }); + + is(doc.fonts.status, "loaded", "FontFaceSet.status initially (TEST 26) (" + what + ")"); + + var oldReady = doc.fonts.ready; + var face = new win.FontFace("test", "url(neverending_font_load.sjs)"); + face.load(); + doc.fonts.add(face); + + var newReady = doc.fonts.ready; + isnot(newReady, oldReady, "FontFaceSet.ready should be replaced when a loading FontFace is added to it (TEST 26) (" + what + ")"); + is(doc.fonts.status, "loading", "FontFaceSet.status should be set to \"loading\" when a loading FontFace is added to it (TEST 26) (" + what + ")"); + + return awaitEvents + .then(function() { + return is_pending(newReady, "FontFaceSet.ready should be replaced with a fresh pending Promise when a loading FontFace is added to it", "(TEST 26) (" + what + ")"); + }) + .then(function() { + doc.fonts.clear(); + return doc.fonts.ready; + }); + }); + }); + return p; + + }).then(function() { + + // (TEST 27) Test that FontFaceSet.ready is resolved, .status is set to + // "loaded", and a loadingdone event (but no loadingerror event) is + // dispatched when the only loading FontFace in it is removed. + var p = Promise.resolve(); + sources.forEach(function({ win, doc, what }) { + p = p.then(function() { + var awaitEvents = new Promise(function(aResolve, aReject) { + + var onloadingdoneTriggered = false, loadingdoneDispatched = false; + var onloadingerrorTriggered = false, loadingerrorDispatched = false; + + function check() { + doc.fonts.onloadingdone = null; + doc.fonts.onloadingerror = null; + doc.fonts.removeEventListener("loadingdone", doneListener); + doc.fonts.removeEventListener("loadingerror", errorListener); + aResolve(); + } + + var doneListener = function(aEvent) { + is(Object.getPrototypeOf(aEvent), doc.defaultView.FontFaceSetLoadEvent.prototype, "loadingdone event should be a FontFaceSetLoadEvent object (TEST 27) (" + what + ")"); + is(aEvent.fontfaces.length, 0, "the FontFaceSetLoadEvent should have an empty fontfaces array (TEST 27) (" + what + ")"); + loadingdoneDispatched = true; + check(); + }; + doc.fonts.addEventListener("loadingdone", doneListener); + doc.fonts.onloadingdone = function(aEvent) { + is(Object.getPrototypeOf(aEvent), doc.defaultView.FontFaceSetLoadEvent.prototype, "loadingdone event should be a FontFaceSetLoadEvent object (TEST 27) (" + what + ")"); + is(aEvent.fontfaces.length, 0, "the FontFaceSetLoadEvent should have an empty fontfaces array (TEST 27) (" + what + ")"); + onloadingdoneTriggered = true; + check(); + }; + var errorListener = function(aEvent) { + loadingerrorDispatched = true; + check(); + } + doc.fonts.addEventListener("loadingerror", errorListener); + doc.fonts.onloadingerror = function(aEvent) { + onloadingdoneTriggered = true; + check(); + }; + }); + + is(doc.fonts.status, "loaded", "FontFaceSet.status should be \"loaded\" initially (TEST 27) (" + what + ")"); + + var f = new win.FontFace("test", "url(neverending_font_load.sjs)"); + f.load(); + doc.fonts.add(f); + + is(doc.fonts.status, "loading", "FontFaceSet.status should be \"loading\" when a loading FontFace is in it (TEST 27) (" + what + ")"); + + doc.fonts.clear(); + + return awaitEvents + .then(function() { + return is_resolved_with(doc.fonts.ready, doc.fonts, "FontFaceSet.ready when the FontFaceSet is cleared", "(TEST 27) (" + what + ")"); + }) + .then(function() { + is(doc.fonts.status, "loaded", "FontFaceSet.status should be set to \"loaded\" when it is cleared (TEST 27) (" + what + ")"); + return doc.fonts.ready; + }); + }); + }); + return p; + + }).then(function() { + + // (TEST 28) Test that FontFaceSet.ready is replaced, .status is set to + // "loading", and a loading event is dispatched when a FontFace in it + // starts loading. + var p = Promise.resolve(); + sources.forEach(function({ win, doc, what }) { + p = p.then(function() { + var awaitEvents = new Promise(function(aResolve, aReject) { + + var onloadingTriggered = false, loadingDispatched = false; + + function check() { + if (onloadingTriggered && loadingDispatched) { + doc.fonts.onloading = null; + doc.fonts.removeEventListener("loading", listener); + aResolve(); + } + } + + var listener = function(aEvent) { + is(Object.getPrototypeOf(aEvent), doc.defaultView.Event.prototype, "loading event should be a plain Event object (TEST 28) (" + what + ")"); + loadingDispatched = true; + check(); + }; + doc.fonts.addEventListener("loading", listener); + doc.fonts.onloading = function(aEvent) { + is(Object.getPrototypeOf(aEvent), doc.defaultView.Event.prototype, "loading event should be a plain Event object (TEST 28) (" + what + ")"); + onloadingTriggered = true; + check(); + }; + }); + + var oldReady = doc.fonts.ready; + var face = new win.FontFace("test", "url(neverending_font_load.sjs)"); + doc.fonts.add(face); + face.load(); + + var newReady = doc.fonts.ready; + isnot(newReady, oldReady, "FontFaceSet.ready should be replaced when its only FontFace starts loading (TEST 28) (" + what + ")"); + is(doc.fonts.status, "loading", "FontFaceSet.status should be set to \"loading\" when its only FontFace starts loading (TEST 28) (" + what + ")"); + + return awaitEvents + .then(function() { + return is_pending(newReady, "FontFaceSet.ready when the FontFaceSet's only FontFace starts loading", "(TEST 28) (" + what + ")"); + }) + .then(function() { + doc.fonts.clear(); + return doc.fonts.ready; + }); + }); + }); + return p; + + }).then(function() { + + // (TEST 29) Test that a loadingdone and a loadingerror event is dispatched + // when a FontFace that eventually becomes status "error" is added to the + // FontFaceSet. + var p = Promise.resolve(); + sources.forEach(function({ win, doc, what }) { + p = p.then(function() { + var face; + var awaitEvents = new Promise(function(aResolve, aReject) { + + var onloadingdoneTriggered = false, loadingdoneDispatched = false; + var onloadingerrorTriggered = false, loadingerrorDispatched = false; + + function check() { + if (onloadingdoneTriggered && loadingdoneDispatched && + onloadingerrorTriggered && loadingerrorDispatched) { + doc.fonts.onloadingdone = null; + doc.fonts.onloadingerror = null; + doc.fonts.removeEventListener("loadingdone", doneListener); + doc.fonts.removeEventListener("loadingerror", errorListener); + aResolve(); + } + } + + var doneListener = function(aEvent) { + loadingdoneDispatched = true; + check(); + }; + doc.fonts.addEventListener("loadingdone", doneListener); + doc.fonts.onloadingdone = function(aEvent) { + is(Object.getPrototypeOf(aEvent), doc.defaultView.FontFaceSetLoadEvent.prototype, "loadingdone event should be a FontFaceSetLoadEvent object (TEST 29) (" + what + ")"); + is(aEvent.fontfaces.length, 0, "the FontFaceSetLoadEvent should have an empty fontfaces array (TEST 29) (" + what + ")"); + onloadingdoneTriggered = true; + check(); + }; + var errorListener = function(aEvent) { + is(Object.getPrototypeOf(aEvent), doc.defaultView.FontFaceSetLoadEvent.prototype, "loadingerror event should be a FontFaceSetLoadEvent object (TEST 29) (" + what + ")"); + is(aEvent.fontfaces[0], face, "the FontFaceSetLoadEvent should have a fontfaces array with the FontFace in it (TEST 29) (" + what + ")"); + loadingerrorDispatched = true; + check(); + } + doc.fonts.addEventListener("loadingerror", errorListener); + doc.fonts.onloadingerror = function(aEvent) { + onloadingerrorTriggered = true; + check(); + }; + }); + + face = new win.FontFace("test", "url(x)"); + face.load(); + is(face.status, "loading", "FontFace should have status \"loading\" (TEST 29) (" + what + ")"); + doc.fonts.add(face); + + return face.loaded + .then(function() { + ok(false, "the FontFace should not load (TEST 29) (" + what + ")"); + }, function(aError) { + is(face.status, "error", "FontFace should have status \"error\" (TEST 29) (" + what + ")"); + return awaitEvents; + }) + .then(function() { + doc.fonts.clear(); + return doc.fonts.ready; + }); + }); + }); + return p; + + }).then(function() { + + // (TEST 30) Test that a loadingdone event is dispatched when a FontFace + // that eventually becomes status "loaded" is added to the FontFaceSet. + var p = Promise.resolve(); + sources.forEach(function({ win, doc, what }, i) { + p = p.then(function() { + var face; + var awaitEvents = new Promise(function(aResolve, aReject) { + + var onloadingdoneTriggered = false, loadingdoneDispatched = false; + + function check() { + if (onloadingdoneTriggered && loadingdoneDispatched) { + doc.fonts.onloadingdone = null; + doc.fonts.removeEventListener("loadingdone", doneListener); + aResolve(); + } + } + + var doneListener = function(aEvent) { + loadingdoneDispatched = true; + check(); + }; + doc.fonts.addEventListener("loadingdone", doneListener); + doc.fonts.onloadingdone = function(aEvent) { + is(aEvent.fontfaces[0], face, "the FontFaceSetLoadEvent should have a fontfaces array with the FontFace in it (TEST 30) (" + what + ")"); + onloadingdoneTriggered = true; + check(); + }; + }); + + face = new win.FontFace("test", "url(BitPattern.woff?test30." + i + ")"); + face.load(); + is(face.status, "loading", "FontFace should have status \"loading\" (TEST 30) (" + what + ")"); + doc.fonts.add(face); + + return face.loaded + .then(function() { + is(face.status, "loaded", "FontFace should have status \"loaded\" (TEST 30) (" + what + ")"); + return awaitEvents; + }) + .then(function() { + doc.fonts.clear(); + }); + }); + }); + return p; + + }).then(function() { + + // (TEST 31) Test that a loadingdone event is dispatched when a FontFace + // with status "unloaded" is added to the FontFaceSet and load() is called + // on it. + var p = Promise.resolve(); + sources.forEach(function({ win, doc, what }, i) { + p = p.then(function() { + var face; + var awaitEvents = new Promise(function(aResolve, aReject) { + + var onloadingdoneTriggered = false, loadingdoneDispatched = false; + + function check() { + if (onloadingdoneTriggered && loadingdoneDispatched) { + doc.fonts.onloadingdone = null; + doc.fonts.removeEventListener("loadingdone", doneListener); + aResolve(); + } + } + + var doneListener = function(aEvent) { + loadingdoneDispatched = true; + check(); + }; + doc.fonts.addEventListener("loadingdone", doneListener); + doc.fonts.onloadingdone = function(aEvent) { + is(aEvent.fontfaces[0], face, "the FontFaceSetLoadEvent should have a fontfaces array with the FontFace in it (TEST 31) (" + what + ")"); + onloadingdoneTriggered = true; + check(); + }; + }); + + face = new win.FontFace("test", "url(BitPattern.woff?test31." + i + ")"); + is(face.status, "unloaded", "FontFace should have status \"unloaded\" (TEST 31) (" + what + ")"); + doc.fonts.add(face); + + return face.load() + .then(function() { + return awaitEvents; + }) + .then(function() { + is(face.status, "loaded", "FontFace should have status \"loaded\" (TEST 31) (" + what + ")"); + doc.fonts.clear(); + return doc.fonts.ready; + }); + }); + }); + return p; + + }).then(function() { + + // (TEST 32) Test that pending restyles prevent document.fonts.status + // from becoming loaded. + var face = new FontFace("test", "url(neverending_font_load.sjs)"); + face.load(); + document.fonts.add(face); + + is(document.fonts.status, "loading", "FontFaceSet.status after adding a loading FontFace (TEST 32)"); + + document.fonts.clear(); + + is(document.fonts.status, "loaded", "FontFaceSet.status after clearing (TEST 32)"); + + document.fonts.add(face); + + is(document.fonts.status, "loading", "FontFaceSet.status after adding a loading FontFace again (TEST 32)"); + + var div = document.querySelector("div"); + div.style.color = "blue"; + + document.fonts.clear(); + is(document.fonts.status, "loading", "FontFaceSet.status after clearing but when there is a pending restyle (TEST 32)"); + + return awaitRefresh() // wait for a refresh driver tick + .then(function() { + is(document.fonts.status, "loaded", "FontFaceSet.status after clearing and the restyle has been flushed (TEST 32)"); + return document.fonts.ready; + }); + + }).then(function() { + + // (TEST 33) Test that CSS-connected FontFace objects are created + // for @font-face rules in the document. + + is(document.fonts.status, "loaded", "document.fonts.status should initially be loaded (TEST 33)"); + + var style = document.querySelector("style"); + var ruleText = "@font-face { font-family: something; src: url(x); "; + Object.keys(nonDefaultValues).forEach(function(aDesc) { + ruleText += descriptorNames[aDesc] + ": " + nonDefaultValues[aDesc][0] + "; "; + }); + ruleText += "}"; + + style.textContent = ruleText; + + var rule = style.sheet.cssRules[0]; + + var all = Array.from(document.fonts); + is(all.length, 1, "document.fonts should contain one FontFace (TEST 33)"); + + var face = all[0]; + is(face.family, "\"something\"", "FontFace should have correct family value (TEST 33)"); + Object.keys(nonDefaultValues).forEach(function(aDesc) { + var ok_todo = aDesc == "variant" ? todo : ok; + ok_todo(face[aDesc] == nonDefaultValues[aDesc][1], "FontFace should have correct " + aDesc + " value (TEST 33)"); + }); + + is(document.fonts.status, "loaded", "document.fonts.status should still be loaded (TEST 33)"); + is(face.status, "unloaded", "FontFace.status should be unloaded (TEST 33)"); + + document.fonts.clear(); + ok(document.fonts.has(face), "CSS-connected FontFace should not be removed from document.fonts when clear is called (TEST 33)"); + + is(document.fonts.delete(face), false, "attempting to remove CSS-connected FontFace from document.fonts should return false (TEST 33)"); + ok(document.fonts.has(face), "CSS-connected FontFace should not be removed from document.fonts when delete is called (TEST 33)"); + + style.textContent = ""; + + ok(!document.fonts.has(face), "CSS-connected FontFace should be removed from document.fonts once the rule has been removed (TEST 33)"); + + is(document.fonts.status, "loaded", "document.fonts.status should still be loaded after rule is removed (TEST 33)"); + is(face.status, "unloaded", "FontFace.status should still be unloaded after rule is removed (TEST 33)"); + + document.fonts.add(face); + ok(document.fonts.has(face), "previously CSS-connected FontFace should be able to be added to document.fonts (TEST 33)"); + + is(document.fonts.status, "loaded", "document.fonts.status should still be loaded after now disconnected FontFace is added (TEST 33)"); + is(face.status, "unloaded", "FontFace.status should still be unloaded after now disconnected FontFace is added (TEST 33)"); + + document.fonts.delete(face); + ok(!document.fonts.has(face), "previously CSS-connected FontFace should be able to be removed from document.fonts (TEST 33)"); + + }).then(function() { + + // (TEST 34) Test that descriptor getters for unspecified descriptors on + // CSS-connected FontFace objects return their default values. + var style = document.querySelector("style"); + var ruleText = "@font-face { font-family: something; src: url(x); }"; + + style.textContent = ruleText; + + var all = Array.from(document.fonts); + var face = all[0]; + + Object.keys(defaultValues).forEach(function(aDesc) { + is(face[aDesc], defaultValues[aDesc], "FontFace should return default value for " + aDesc + " (TEST 34)"); + }); + + style.textContent = ""; + + }).then(function() { + + // (TEST 35) Test that no loadingdone event is dispatched when a FontFace + // with "loaded" status is added to a "loaded" FontFaceSet. + var p = Promise.resolve(); + sources.forEach(function({ win, doc, what }) { + p = p.then(function() { + var gotLoadingDone = false; + doc.fonts.onloadingdone = function(aEvent) { + gotLoadingDone = true; + }; + + is(doc.fonts.status, "loaded", "document.fonts.status should have status \"loaded\" (TEST 35) (" + what + ")"); + var face = new win.FontFace("test", fontData); + + return face.loaded + .then(function() { + is(face.status, "loaded", "FontFace should have status \"loaded\" (TEST 35) (" + what + ")"); + doc.fonts.add(face); + is(doc.fonts.status, "loaded", "document.fonts.status should still have status \"loaded\" (TEST 35) (" + what + ")"); + return doc.fonts.ready; + }) + .then(function() { + ok(!gotLoadingDone, "loadingdone event should not be dispatched (TEST 35) (" + what + ")"); + doc.fonts.onloadingdone = null; + doc.fonts.clear(); + }); + }); + }); + return p; + + }).then(function() { + + // (TEST 36) Test that no loadingdone or loadingerror event is dispatched + // when a FontFace with "error" status is added to a "loaded" FontFaceSet. + var p = Promise.resolve(); + sources.forEach(function({ win, doc, what }) { + var doc = win.document; + p = p.then(function() { + var gotLoadingDone = false, gotLoadingError = false; + doc.fonts.onloadingdone = function(aEvent) { + gotLoadingDone = true; + }; + doc.fonts.onloadingerror = function(aEvent) { + gotLoadingError = true; + }; + + is(doc.fonts.status, "loaded", "document.fonts.status should have status \"loaded\" (TEST 36) (" + what + ")"); + var face = new win.FontFace("test", new ArrayBuffer(0)); + + return face.loaded + .then(function() { + ok(false, "FontFace should not have loaded (TEST 36) (" + what + ")"); + }, function() { + is(face.status, "error", "FontFace should have status \"error\" (TEST 36) (" + what + ")"); + doc.fonts.add(face); + is(doc.fonts.status, "loaded", "document.fonts.status should still have status \"loaded\" (TEST 36) (" + what + ")"); + return doc.fonts.ready; + }) + .then(function() { + ok(!gotLoadingDone, "loadingdone event should not be dispatched (TEST 36) (" + what + ")"); + ok(!gotLoadingError, "loadingerror event should not be dispatched (TEST 36) (" + what + ")"); + doc.fonts.onloadingdone = null; + doc.fonts.onloadingerror = null; + doc.fonts.clear(); + }); + }); + }); + return p; + + }).then(function() { + + // (TEST 37) Test that a FontFace only has one loadingdone event dispatched + // at the FontFaceSet containing it. + + var p = Promise.resolve(); + sources.forEach(function({ win, doc, what}, i) { + p = p.then(function() { + return setTimeoutZero(); // wait for any previous events to be dispatched + }).then(function() { + var events = [], face, face2; + + var awaitEvents = new Promise(function(aResolve, aReject) { + doc.fonts.onloadingdone = doc.fonts.onloadingerror = function(e) { + events.push(e); + if (events.length == 2) { + aResolve(); + } + }; + }); + + is(doc.fonts.status, "loaded", "document.fonts.status should have status \"loaded\" (TEST 37) (" + what + ")"); + + face = new win.FontFace("test", "url(BitPattern.woff?test37." + i + "a)"); + face.load(); + doc.fonts.add(face); + is(doc.fonts.status, "loading", "document.fonts.status should have status \"loading\" after first font added (TEST 37) (" + what + ")"); + + return doc.fonts.ready + .then(function() { + is(doc.fonts.status, "loaded", "document.fonts.status should have status \"loaded\" after first font loaded (TEST 37) (" + what + ")"); + is(face.status, "loaded", "first FontFace should have status \"loaded\" (TEST 37) (" + what + ")"); + + face2 = new win.FontFace("test2", "url(BitPattern.woff?test37." + i + "b)"); + face2.load(); + doc.fonts.add(face2); + is(doc.fonts.status, "loading", "document.fonts.status should have status \"loading\" after second font added (TEST 37) (" + what + ")"); + + return doc.fonts.ready; + }).then(function() { + return awaitEvents; + }).then(function() { + is(doc.fonts.status, "loaded", "document.fonts.status should have status \"loaded\" after second font loaded (TEST 37) (" + what + ")"); + is(face2.status, "loaded", "second FontFace should have status \"loaded\" (TEST 37) (" + what + ")"); + + is(events.length, 2, "should receive two events (TEST 37) (" + what + ")"); + + is(events[0].type, "loadingdone", "first event should be \"loadingdone\" (TEST 37) (" + what + ")"); + is(events[0].fontfaces.length, 1, "first event should have 1 FontFace (TEST 37) (" + what + ")"); + is(events[0].fontfaces[0], face, "first event should have the first FontFace"); + + is(events[1].type, "loadingdone", "second event should be \"loadingdone\" (TEST 37) (" + what + ")"); + is(events[1].fontfaces.length, 1, "second event should only have 1 FontFace (TEST 37) (" + what + ")"); + is(events[1].fontfaces[0], face2, "second event should have the second FontFace (TEST 37) (" + what + ")"); + + doc.fonts.onloadingdone = null; + doc.fonts.onloadingerror = null; + doc.fonts.clear(); + return doc.fonts.ready; + }); + }); + }); + return p; + + }).then(function() { + + // (TEST 38) Test that a FontFace only has one loadingerror event dispatched + // at the FontFaceSet containing it. + + var p = Promise.resolve(); + sources.forEach(function({ win, doc, what }) { + p = p.then(function() { + return setTimeoutZero(); // wait for any previous events to be dispatched + }).then(function() { + var events = [], face, face2; + + var awaitEvents = new Promise(function(aResolve, aReject) { + doc.fonts.onloadingdone = doc.fonts.onloadingerror = function(e) { + events.push(e); + if (events.length == 4) { + aResolve(); + } + }; + }); + + is(doc.fonts.status, "loaded", "document.fonts.status should have status \"loaded\" (TEST 38) (" + what + ")"); + + face = new win.FontFace("test", "url(x)"); + face.load(); + doc.fonts.add(face); + is(doc.fonts.status, "loading", "document.fonts.status should have status \"loading\" after first font added (TEST 38) (" + what + ")"); + + return doc.fonts.ready + .then(function() { + is(doc.fonts.status, "loaded", "document.fonts.status should have status \"loaded\" after first font failed to load (TEST 38) (" + what + ")"); + is(face.status, "error", "first FontFace should have status \"error\" (TEST 38) (" + what + ")"); + + face2 = new win.FontFace("test2", "url(x)"); + face2.load(); + doc.fonts.add(face2); + is(doc.fonts.status, "loading", "document.fonts.status should have status \"loading\" after second font added (TEST 38) (" + what + ")"); + + return doc.fonts.ready; + }).then(function() { + return awaitEvents; + }).then(function() { + is(doc.fonts.status, "loaded", "document.fonts.status should have status \"loaded\" after second font failed to load (TEST 38) (" + what + ")"); + is(face2.status, "error", "second FontFace should have status \"error\" (TEST 38) (" + what + ")"); + + is(events.length, 4, "should receive four events (TEST 38) (" + what + ")"); + + is(events[0].type, "loadingdone", "first event should be \"loadingdone\" (TEST 38) (" + what + ")"); + is(events[0].fontfaces.length, 0, "first event should have no FontFaces (TEST 38) (" + what + ")"); + + is(events[1].type, "loadingerror", "second event should be \"loadingerror\" (TEST 38) (" + what + ")"); + is(events[1].fontfaces.length, 1, "second event should have 1 FontFace (TEST 38) (" + what + ")"); + is(events[1].fontfaces[0], face, "second event should have the first FontFace"); + + is(events[2].type, "loadingdone", "third event should be \"loadingdone\" (TEST 38) (" + what + ")"); + is(events[2].fontfaces.length, 0, "third event should have no FontFaces (TEST 38) (" + what + ")"); + + is(events[3].type, "loadingerror", "third event should be \"loadingerror\" (TEST 38) (" + what + ")"); + is(events[3].fontfaces.length, 1, "third event should only have 1 FontFace (TEST 38) (" + what + ")"); + is(events[3].fontfaces[0], face2, "third event should have the second FontFace"); + + doc.fonts.onloadingdone = null; + doc.fonts.onloadingerror = null; + doc.fonts.clear(); + return doc.fonts.ready; + }); + }); + }); + return p; + + }).then(function() { + + // (TEST 39) Test that a FontFace for an @font-face rule only has one + // loadingdone event dispatched at the FontFaceSet containing it. + + var style, all, events, awaitEvents; + + return setTimeoutZero() // wait for any previous events to be dispatched + .then(function() { + style = document.querySelector("style"); + var ruleText = "@font-face { font-family: test; src: url(BitPattern.woff?test39a); } " + + "@font-face { font-family: test2; src: url(BitPattern.woff?test39b); }"; + + style.textContent = ruleText; + + all = Array.from(document.fonts); + events = []; + + awaitEvents = new Promise(function(aResolve, aReject) { + document.fonts.onloadingdone = document.fonts.onloadingerror = function(e) { + events.push(e); + if (events.length == 2) { + aResolve(); + } + }; + }); + + is(document.fonts.status, "loaded", "document.fonts.status should have status \"loaded\" (TEST 39)"); + + all[0].load(); + is(document.fonts.status, "loading", "document.fonts.status should have status \"loading\" after first font loading (TEST 39)"); + + return document.fonts.ready + }).then(function() { + is(document.fonts.status, "loaded", "document.fonts.status should have status \"loaded\" after first font loaded (TEST 39)"); + is(all[0].status, "loaded", "first FontFace should have status \"loaded\" (TEST 39)"); + is(all[1].status, "unloaded", "second FontFace should have status \"unloaded\" (TEST 39)"); + + all[1].load(); + is(document.fonts.status, "loading", "document.fonts.status should have status \"loading\" after second font loading (TEST 39)"); + + return document.fonts.ready; + }).then(function() { + return awaitEvents; + }).then(function() { + is(document.fonts.status, "loaded", "document.fonts.status should have status \"loaded\" after second font loaded (TEST 39)"); + is(all[1].status, "loaded", "second FontFace should have status \"loaded\" (TEST 39)"); + + is(events.length, 2, "should receive two events (TEST 39)"); + + is(events[0].type, "loadingdone", "first event should be \"loadingdone\" (TEST 39)"); + is(events[0].fontfaces.length, 1, "first event should have 1 FontFace (TEST 39)"); + is(events[0].fontfaces[0], all[0], "first event should have the first FontFace"); + + is(events[1].type, "loadingdone", "second event should be \"loadingdone\" (TEST 39)"); + is(events[1].fontfaces.length, 1, "second event should only have 1 FontFace (TEST 39)"); + is(events[1].fontfaces[0], all[1], "second event should have the second FontFace (TEST 39)"); + + style.textContent = ""; + + document.fonts.onloadingdone = null; + document.fonts.onloadingerror = null; + document.fonts.clear(); + return document.fonts.ready; + }); + + }).then(function() { + + // (TEST 40) Test that an attempt to add the same FontFace object a second + // time to a FontFaceSet (where one of the FontFace objects is reflecting + // an @font-face rule) will be ignored. + + // First set up a @font-face rule. + var style = document.querySelector("style"); + style.textContent = "@font-face { font-family: something; src: url(x); }"; + + // Then add a couple of non-connected FontFace objects. + var f1 = new FontFace("test1", "url(x)"); + var f2 = new FontFace("test2", "url(x)"); + + document.fonts.add(f1); + document.fonts.add(f2); + + var all = Array.from(document.fonts); + var ruleFontFace = all[0]; + + is(all.length, 3, "number of FontFace objects in the FontFaceSet before duplicate add (TEST 40)"); + is(all[1], f1, "first non-connected FontFace object in the FontFaceSet before duplicate add (TEST 40)"); + is(all[2], f2, "second non-connected FontFace object in the FontFaceSet before duplicate add (TEST 40)"); + + document.fonts.add(f1); + + all = Array.from(document.fonts); + is(all.length, 3, "number of FontFace objects in the FontFaceSet after duplicate add #1 (TEST 40)"); + is(all[0], ruleFontFace, "rule-based FontFace object in the FontFaceSEt after duplicate add #1 (TEST 40)"); + is(all[1], f1, "first non-connected FontFace object in the FontFaceSet after duplicate add #1 (TEST 40)"); + is(all[2], f2, "second non-connected FontFace object in the FontFaceSet after duplicate add #1 (TEST 40)"); + + document.fonts.add(ruleFontFace); + + all = Array.from(document.fonts); + is(all.length, 3, "number of FontFace objects in the FontFaceSet after duplicate add #2 (TEST 40)"); + is(all[0], ruleFontFace, "rule-based FontFace object in the FontFaceSEt after duplicate add #2 (TEST 40)"); + is(all[1], f1, "first non-connected FontFace object in the FontFaceSet after duplicate add #2 (TEST 40)"); + is(all[2], f2, "second non-connected FontFace object in the FontFaceSet after duplicate add #2 (TEST 40)"); + + style.textContent = ""; + + document.fonts.clear(); + + }).then(function() { + + // (TEST 41) Test that an attempt to add the same FontFace object a second + // time to a FontFaceSet (where none of the FontFace objects are reflecting + // an @font-face rule) will be ignored. + + sources.forEach(function({ win, doc, what }) { + // Add a couple of non-connected FontFace objects. + var f1 = new win.FontFace("test1", "url(x)"); + var f2 = new win.FontFace("test2", "url(x)"); + + doc.fonts.add(f1); + doc.fonts.add(f2); + + var all = Array.from(doc.fonts); + + is(all.length, 2, "number of FontFace objects in the FontFaceSet before duplicate add (TEST 41) (" + what + ")"); + is(all[0], f1, "first non-connected FontFace object in the FontFaceSet before duplicate add (TEST 41) (" + what + ")"); + is(all[1], f2, "second non-connected FontFace object in the FontFaceSet before duplicate add (TEST 41) (" + what + ")"); + + doc.fonts.add(f1); + + all = Array.from(doc.fonts); + is(all.length, 2, "number of FontFace objects in the FontFaceSet after duplicate add (TEST 41) (" + what + ")"); + is(all[0], f1, "first non-connected FontFace object in the FontFaceSet after duplicate add (TEST 41) (" + what + ")"); + is(all[1], f2, "second non-connected FontFace object in the FontFaceSet after duplicate add (TEST 41) (" + what + ")"); + + doc.fonts.clear(); + }); + + }).then(function() { + + // (TEST 42) Test that adding a FontFace to multiple FontFaceSets and then + // loading it updates the status of all FontFaceSets. + + var face = new FontFace("test", "url(x)"); + + sourceDocuments.forEach(function({ doc, what }) { + doc.fonts.add(face); + }); + + sourceDocuments.forEach(function({ doc, what }) { + is(doc.fonts.status, "loaded", what + ".fonts.status before loading (TEST 42)"); + }); + + face.load(); + + sourceDocuments.forEach(function({ doc, what }) { + is(doc.fonts.status, "loading", what + ".fonts.status after loading started (TEST 42)"); + }); + + return Promise.all(sourceDocuments.map(function({ doc }) { return doc.fonts.ready; })) + .then(function() { + is(face.status, "error", "FontFace.status after loading finished (TEST 42)"); + sourceDocuments.forEach(function({ doc, what }) { + is(doc.fonts.status, "loaded", what + ".fonts.status after loading finished (TEST 42)"); + }); + + sourceDocuments.forEach(function({ doc, what }) { + doc.fonts.clear(); + }); + }); + + }).then(function() { + + // (TEST 43) Test the check method with platform fonts and some + // degenerate cases. + + sourceDocuments.forEach(function({ doc, what }) { + // Invalid font shorthands should throw a SyntaxError. + try { + doc.fonts.check("Helvetica"); + ok(false, "check should throw when a syntactically invalid font shorthand is given (TEST 43) (" + what + ")"); + } catch (ex) { + is(ex.name, "SyntaxError", "exception name when check is called with a syntactically invalid font shorthand (TEST 43) (" + what + ")"); + } + + // System fonts should throw a SyntaxError. + try { + doc.fonts.check("caption"); + ok(false, "check should throw when a system font value is given (TEST 43) (" + what + ")"); + } catch (ex) { + is(ex.name, "SyntaxError", "exception name when check is called with a system font value (TEST 43) (" + what + ")"); + } + + // CSS-wide keywords should throw a SyntaxError. + try { + doc.fonts.check("inherit"); + ok(false, "check should throw when a CSS-wide keyword is given (TEST 43) (" + what + ")"); + } catch (ex) { + is(ex.name, "SyntaxError", "exception name when check is called with a CSS-wide keyword (TEST 43) (" + what + ")"); + } + + // CSS variables should throw a SyntaxError. + try { + doc.fonts.check("16px var(--family)"); + ok(false, "check should throw when CSS variables are used (TEST 43) (" + what + ")"); + } catch (ex) { + is(ex.name, "SyntaxError", "exception name when check is called with CSS variables (TEST 43) (" + what + ")"); + } + + // No matching font family names => return true. + is(doc.fonts.check("16px NonExistentFont1, NonExistentFont2"), true, "check return value when no matching font family names are used (TEST 43) (" + what + ")"); + + // Matching platform font family name => return true. + is(doc.fonts.check("16px NonExistentFont, " + likelyPlatformFonts), true, "check return value when a matching platform font family name is used (TEST 43) (" + what + ")"); + + // Matching platform font family name, but using a different test + // strings. (Platform fonts always return true from check, regardless + // of the actual glyphs present.) + [ + { test: "\0", desc: "a single non-matching glyph" }, + { test: "A\0", desc: "a matching and a non-matching glyph" }, + { test: "A", desc: "a matching glyph" }, + { test: "AB", desc: "multiple matching glyphs" } + ].forEach(function({ test, desc }) { + is(doc.fonts.check("16px " + likelyPlatformFonts, test), true, "check return value when a matching platform font family name is used but with " + desc + " (TEST 43) (" + what + ")"); + }); + + // No matching font family name, but an empty test string. + is(doc.fonts.check("16px NonExistentFont", ""), true, "check return value with a non-matching font family name and an empty test string (TEST 43) (" + what + ")"); + + // Matching platform font family name, but empty test string. + is(doc.fonts.check("16px " + likelyPlatformFonts, ""), true, "check return value with an empty test string (TEST 43) (" + what + ")"); + }); + + }).then(function() { + + // (TEST 44) Test the check method with script-created FontFaces. + + var tests = [ + // at least one matching FontFace is not loaded ==> false + { result: false, font: "16px Test", faces: [{ family: "Test", status: "unloaded" }] }, + { result: false, font: "16px Test", faces: [{ family: "SecondTest", status: "loaded" }, { family: "Test", status: "unloaded" }] }, + { result: false, font: "16px Test", faces: [{ family: "Test", status: "unloaded" }, { family: "Test", status: "loaded" }] }, + { result: false, font: "16px Test", faces: [{ family: "Test", status: "loading" }] }, + { result: false, font: "16px Test", faces: [{ family: "Test", status: "error" }] }, + { result: false, font: "16px Test", faces: [{ family: "Test", status: "unloaded", style: "italic" }] }, + { result: false, font: "bold 16px Test", faces: [{ family: "Test", status: "loaded", weight: "600" }, { family: "Test", status: "unloaded", weight: "bold" }] }, + { result: false, font: "16px Test, SecondTest", faces: [{ family: "Test", status: "loaded" }, { family: "SecondTest", status: "unloaded" }] }, + { result: false, font: "16px Test, " + likelyPlatformFonts + ", SecondTest, sans-serif", faces: [{ family: "Test", status: "loaded" }, { family: "SecondTest", status: "unloaded" }] }, + + // all matching FontFaces are loaded ==> true + { result: true, font: "16px Test", faces: [{ family: "Test", status: "loaded" }] }, + { result: true, font: "16px Test", faces: [{ family: "Test", status: "loaded" }, { family: "Test", status: "loaded" }] }, + { result: true, font: "16px Test", faces: [{ family: "Test", status: "loaded" }, { family: "Test", status: "unloaded", unicodeRange: "U+4E0A" }] }, + { result: true, font: "16px Test", faces: [{ family: "Test", status: "loaded" }, { family: "Test", status: "error", unicodeRange: "U+4E0A" }] }, + { result: true, font: "16px Test", faces: [{ family: "Test", status: "loaded" }, { family: "Irrelevant", status: "unloaded" }] }, + { result: true, font: "16px Test", faces: [{ family: "Test", status: "loaded", style: "italic" }] }, + { result: true, font: "16px Test", faces: [{ family: "Test", status: "loaded", weight: "bold" }] }, + { result: true, font: "16px Test", faces: [{ family: "Test", status: "loaded", stretch: "condensed" }] }, + { result: true, font: "bold 16px Test", faces: [{ family: "Test", status: "loaded", weight: "bold" }, { family: "Test", status: "unloaded", weight: "600" }] }, + { result: true, font: "16px Test, " + likelyPlatformFonts + ", SecondTest, sans-serif", faces: [{ family: "Test", status: "loaded" }, { family: "SecondTest", status: "loaded" }] }, + + // no matching FontFaces at all ==> true + { result: true, font: "16px Test", faces: [] }, + { result: true, font: "16px Test", faces: [{ family: "Irrelevant", status: "unloaded" }] }, + { result: true, font: "16px Test", faces: [{ family: "Test", status: "unloaded", unicodeRange: "U+4E0A" }] }, + { result: true, font: "16px Test, " + likelyPlatformFonts + ", SecondTest, sans-serif", faces: [{ family: "ThirdTest", status: "loaded" }] }, + + // matching FontFace for one sample text character is loaded but + // not the other ==> false + { result: false, font: "16px Test", faces: [{ family: "Test", status: "loaded", unicodeRange: "U+61" }, { family: "Test", status: "unloaded", unicodeRange: "U+62" }] }, + + // matching FontFaces for separate sample text characters are all + // loaded ==> true + { result: true, font: "16px Test", faces: [{ family: "Test", status: "loaded", unicodeRange: "U+61" }, { family: "Test", status: "loaded", unicodeRange: "U+62" }] }, + ]; + + sources.forEach(function({ win, doc, what }, i) { + tests.forEach(function({ result, font, faces }, j) { + faces.forEach(function(f, k) { + var fontFace; + if (f.status == "loaded") { + fontFace = new win.FontFace(f.family, fontData, f); + } else if (f.status == "error") { + fontFace = new win.FontFace(f.family, new ArrayBuffer(0), f); + } else { + fontFace = new win.FontFace(f.family, "url(BitPattern.woff?test44." + [i, j, k] + ")", f); + if (f.status == "loading") { + fontFace.load(); + } + } + is(fontFace.status, f.status, "status of newly created FontFace " + [j, k] + " (TEST 44) (" + what + ")"); + doc.fonts.add(fontFace); + }); + is(doc.fonts.check(font, "ab"), result, "check return value for subtest " + j + " (TEST 44) (" + what + ")"); + doc.fonts.clear(); + }); + }); + + }).then(function() { + + // (TEST 45) Test the load method with platform fonts and some + // degenerate cases. + + var p = Promise.resolve(); + sources.forEach(function({ win, doc, what }) { + p = p.then(function() { + // Invalid font shorthands should reject the promise with a SyntaxError. + return doc.fonts.load("Helvetica").then(function() { + ok(false, "load should reject when a syntactically invalid font shorthand is given (TEST 45) (" + what + ")"); + }, function(ex) { + is(ex.name, "SyntaxError", "exception name when load is called with a syntactically invalid font shorthand (TEST 45) (" + what + ")"); + }); + }); + + p = p.then(function() { + // System fonts should reject with a SyntaxError. + return doc.fonts.load("caption").then(function() { + ok(false, "load should throw when a system font value is given (TEST 45) (" + what + ")"); + }, function(ex) { + is(ex.name, "SyntaxError", "exception name when load is called with a system font value (TEST 45) (" + what + ")"); + }); + }); + + p = p.then(function() { + // CSS-wide keywords should reject with a SyntaxError. + return doc.fonts.load("inherit").then(function() { + ok(false, "load should throw when a CSS-wide keyword is given (TEST 45) (" + what + ")"); + }, function(ex) { + is(ex.name, "SyntaxError", "exception name when load is called with a CSS-wide keyword (TEST 45) (" + what + ")"); + }); + }); + + p = p.then(function() { + // CSS variables should throw a SyntaxError. + return doc.fonts.load("16px var(--family)").then(function() { + ok(false, "load should throw when CSS variables are used (TEST 45) (" + what + ")"); + }, function(ex) { + is(ex.name, "SyntaxError", "exception name when load is called with CSS variables (TEST 45) (" + what + ")"); + }); + }); + + p = p.then(function() { + // No matching font family names => return true. + return doc.fonts.load("16px NonExistentFont1, NonExistentFont2").then(function(result) { + is(result.length, 0, "load resolves with an emtpy array when no matching font family names are used (TEST 45) (" + what + ")"); + }); + }); + + p = p.then(function() { + // Matching platform font family name => return true. + return doc.fonts.load("16px NonExistentFont1, " + likelyPlatformFonts).then(function(result) { + is(result.length, 0, "load resolves with an emtpy array when no matching font family names are used (TEST 45) (" + what + ")"); + }); + }); + + // Matching platform font family name, but using a different test + // strings. (Platform fonts always return true from load, regardless + // of the actual glyphs present.) + [ + { sample: "\0", desc: "a single non-matching glyph" }, + { sample: "A\0", desc: "a matching and a non-matching glyph" }, + { sample: "A", desc: "a matching glyph" }, + { sample: "AB", desc: "multiple matching glyphs" } + ].forEach(function({ sample, desc }) { + p = p.then(function() { + return doc.fonts.load("16px " + likelyPlatformFonts, sample).then(function(result) { + is(result.length, 0, "load resolves with an empty array when a matching platform font family name is used but with " + desc + " (TEST 45) (" + what + ")"); + }); + }); + }); + + p = p.then(function() { + // No matching font family name, but an empty test string. + return doc.fonts.load("16px NonExistentFont", "").then(function(result) { + is(result.length, 0, "load resolves with an empty array when a non-matching platform font family name and an empty test string is used (TEST 45) (" + what + ")"); + }); + }); + + p = p.then(function() { + // Matching font family name, but an empty test string. + return doc.fonts.load("16px " + likelyPlatformFonts, "").then(function(result) { + is(result.length, 0, "load resolves with an empty array when a matching platform font family name and an empty test string is used (TEST 45) (" + what + ")"); + }); + }); + }); + return p; + + }).then(function() { + + // (TEST 46) Test the load method with script-created FontFaces. + + var tests = [ + // at least one matching FontFace is not yet loaded, but will load ==> resolve + { result: true, font: "16px Test", faces: [{ family: "Test", status: "unloaded", included: true }] }, + { result: true, font: "16px Test", faces: [{ family: "SecondTest", status: "loaded" }, { family: "Test", status: "unloaded", included: true }] }, + { result: true, font: "16px Test", faces: [{ family: "Test", status: "unloaded", included: true }, { family: "Test", status: "loaded", included: true }] }, + { result: true, font: "16px Test", faces: [{ family: "Test", status: "loading", included: true }] }, + { result: true, font: "16px Test", faces: [{ family: "Test", status: "unloaded", style: "italic", included: true }] }, + { result: true, font: "bold 16px Test", faces: [{ family: "Test", status: "unloaded", weight: "600", included: true }] }, + { result: true, font: "bold 16px Test", faces: [{ family: "Test", status: "unloaded", weight: "600" }, { family: "Test", status: "unloaded", weight: "bold", included: true }] }, + { result: true, font: "16px Test, SecondTest", faces: [{ family: "Test", status: "loaded", included: true }, { family: "SecondTest", status: "unloaded", included: true }] }, + { result: true, font: "16px Test, " + likelyPlatformFonts + ", SecondTest, sans-serif", faces: [{ family: "Test", status: "loaded", included: true }, { family: "SecondTest", status: "unloaded", included: true }] }, + + // at least one matching FontFace is in an error state ==> reject + { result: false, font: "16px Test", faces: [{ family: "Test", status: "unloaded" }, { family: "Test", status: "error" }] }, + + // all matching FontFaces are already loaded ==> resolve + { result: true, font: "16px Test", faces: [{ family: "Test", status: "loaded", included: true }] }, + { result: true, font: "16px Test", faces: [{ family: "Test", status: "loaded", included: true }, { family: "Test", status: "loaded", included: true }] }, + { result: true, font: "16px Test", faces: [{ family: "Test", status: "loaded", included: true }, { family: "Test", status: "unloaded", unicodeRange: "U+4E0A" }] }, + { result: true, font: "16px Test", faces: [{ family: "Test", status: "loaded", included: true }, { family: "Test", status: "error", unicodeRange: "U+4E0A" }] }, + { result: true, font: "16px Test", faces: [{ family: "Test", status: "loaded", included: true }, { family: "Irrelevant", status: "unloaded" }] }, + { result: true, font: "16px Test", faces: [{ family: "Test", status: "loaded", style: "italic", included: true }] }, + { result: true, font: "16px Test", faces: [{ family: "Test", status: "loaded", weight: "bold", included: true }] }, + { result: true, font: "16px Test", faces: [{ family: "Test", status: "loaded", stretch: "condensed", included: true }] }, + { result: true, font: "bold 16px Test", faces: [{ family: "Test", status: "loaded", weight: "bold", included: true }, { family: "Test", status: "loaded", weight: "600" }] }, + { result: true, font: "bold 16px Test", faces: [{ family: "Test", status: "loaded", weight: "600" }, { family: "Test", status: "loaded", weight: "bold", included: true }] }, + { result: true, font: "16px Test, " + likelyPlatformFonts + ", SecondTest, sans-serif", faces: [{ family: "Test", status: "loaded", included: true }, { family: "SecondTest", status: "loaded", included: true }] }, + + // no matching FontFaces at all ==> resolve + { result: true, font: "16px Test", faces: [] }, + { result: true, font: "16px Test", faces: [{ family: "Irrelevant", status: "unloaded" }] }, + { result: true, font: "16px Test", faces: [{ family: "Test", status: "unloaded", unicodeRange: "U+4E0A" }] }, + { result: true, font: "16px Test, " + likelyPlatformFonts + ", SecondTest, sans-serif", faces: [{ family: "ThirdTest", status: "loaded" }] }, + + // matching FontFace for one sample text character is already loaded but + // the other is not (but will) ==> resolve + { result: true, font: "16px Test", faces: [{ family: "Test", status: "loaded", unicodeRange: "U+61", included: true }, { family: "Test", status: "unloaded", unicodeRange: "U+62", included: true }] }, + + // matching FontFaces for separate sample text characters are all + // loaded ==> resolve + { result: true, font: "16px Test", faces: [{ family: "Test", status: "loaded", unicodeRange: "U+61", included: true }, { family: "Test", status: "loaded", unicodeRange: "U+62", included: true }] }, + ]; + + var p = Promise.resolve(); + sources.forEach(function({ win, doc, what }, i) { + tests.forEach(function({ result, font, faces }, j) { + p = p.then(function() { + var fontFaces = []; + faces.forEach(function(f, k) { + var fontFace; + if (f.status == "loaded") { + fontFace = new win.FontFace(f.family, fontData, f); + } else if (f.status == "error") { + fontFace = new win.FontFace(f.family, new ArrayBuffer(0), f); + } else { + fontFace = new win.FontFace(f.family, "url(BitPattern.woff?test46." + [i, j, k] + ")", f); + if (f.status == "loading") { + fontFace.load(); + } + } + is(fontFace.status, f.status, "status of newly created FontFace " + [j, k] + " (TEST 46) (" + what + ")"); + doc.fonts.add(fontFace); + fontFaces.push(fontFace); + }); + return doc.fonts.load(font, "ab").then(function(array) { + ok(result, "load should resolve for subtest " + j + " (TEST 46) (" + what + ")"); + var expected = []; + for (var k = 0; k < faces.length; k++) { + if (faces[k].included) { + expected.push(fontFaces[k]); + } + } + is(array.length, expected.length, "length of array load resolves with for subtest " + j + " (TEST 46) (" + what + ")"); + for (var k = 0; k < array.length; k++) { + is(array[k], expected[k], "value in array[" + k + "] load resolves with for subtest " + j + " (TEST 46) (" + what + ")"); + } + }, function(ex) { + ok(!result, "load should not resolve for subtest " + j + " (TEST 46) (" + what + ")"); + is(ex.name, "SyntaxError", "exception load's return value is rejected with for subtest " + j + " (TEST 46) (" + what + ")"); + }).then(function() { + doc.fonts.clear(); + }); + }); + }); + }); + return p; + + }).then(function() { + + // (TEST 47) Test that CSS-connected FontFaces can't be added to other + // FontFaceSets. + + var style = document.querySelector("style"); + style.textContent = "@font-face { font-family: something; src: url(x); }"; + + var rule = style.sheet.cssRules[0]; + + var all = Array.from(document.fonts); + is(all.length, 1, "document.fonts should contain one FontFace (TEST 47)"); + + var face = all[0]; + + sourceDocuments.forEach(function({ doc, what }) { + if (doc == document) { + return; + } + + var exceptionName; + try { + doc.fonts.add(face); + ok(false, "add should throw when attempting to add a CSS-connected FontFace to another FontFaceSet (TEST 47) (" + what + ")"); + } catch (ex) { + is(ex.name, "InvalidModificationError", "exception name when add is called with a CSS-connected FontFace from another FontFaceSet (TEST 47) (" + what + ")"); + } + }); + + style.textContent = ""; + document.body.offsetTop; + + sourceDocuments.forEach(function({ doc, what }) { + if (doc == document) { + return; + } + + ok(!doc.fonts.has(face), "FontFaceSet initially doesn't have the FontFace (TEST 47) (" + what + ")"); + doc.fonts.add(face); + ok(doc.fonts.has(face), "add should allow a previously CSS-connected FontFace to be added to another FontFaceSet (TEST 47) (" + what + ")"); + doc.fonts.clear(); + }); + + document.fonts.clear(); + + }).then(function() { + + // (TEST 48) Test that FontFaceSets that hold a combination of FontFaces + // from different documents expose the right set of FontFaces. + + // Expected FontFaceSet contents. + var expected = { + document: [], + vdocument: [], + ndocument: [], + }; + + // Create a CSS-connected FontFace in the top-level document. + var style = document.querySelector("style"); + style.textContent = "@font-face { font-family: something; src: url(x); }"; + + var all = Array.from(document.fonts); + is(all.length, 1, "document.fonts should contain one FontFace (TEST 48)"); + + all[0]._description = "CSS-connected in document"; + expected.document.push(all[0]); + + // Create a CSS-connected FontFace in the visible iframe. + var vstyle = vdocument.querySelector("style"); + vstyle.textContent = "@font-face { font-family: somethingelse; src: url(x); }"; + + all = Array.from(vdocument.fonts); + all[0]._description = "CSS-connected in vdocument"; + is(all.length, 1, "vdocument.fonts should contain one FontFace (TEST 48)"); + + expected.vdocument.push(all[0]); + + // Create a FontFace in each window and add it to each document's FontFaceSet. + var i = 0; + var faces = []; + sourceWindows.forEach(function({ win, what: whatWin }) { + var f = new win.FontFace("test" + ++i, "url(x)"); + sourceDocuments.forEach(function({ doc, what: whatDoc }) { + doc.fonts.add(f); + expected[whatDoc].push(f); + f._description = whatWin + "/" + whatDoc; + }); + }); + + sourceDocuments.forEach(function({ doc, what }) { + var all = Array.from(doc.fonts); + is(expected[what].length, all.length, "expected FontFaceSet size (TEST 48) (" + what + ")"); + for (var i = 0; i < expected[what].length; i++) { + is(expected[what][i], all[i], "expected FontFace (" + expected[what][i]._description + ") at index " + i + " (TEST 48) (" + what + ")"); + } + }); + + vstyle.textContent = ""; + style.textContent = ""; + + sourceDocuments.forEach(function({ doc }) { doc.fonts.clear(); }); + + }).then(function() { + + // (TEST LAST) Test that a pending style sheet load prevents + // document.fonts.status from being set to "loaded". + + // First, add a FontFace to document.fonts that will load soon. + var face = new FontFace("test", "url(BitPattern.woff?testlast)"); + face.load(); + document.fonts.add(face); + + // Next, add a style sheet reference. + var link = document.createElement("link"); + link.rel = "stylesheet"; + link.href = "neverending_stylesheet_load.sjs"; + link.type = "text/css"; + document.head.appendChild(link); + + return setTimeoutZero() // wait for the style sheet to start loading + .then(function() { + document.fonts.clear(); + is(document.fonts.status, "loading", "FontFaceSet.status when the FontFaceSet has been cleared of loading FontFaces but there is a pending style sheet load (TEST LAST)"); + document.head.removeChild(link); + // XXX Removing the <link> element won't cancel the load of the + // style sheet, so we can't do that to test that + // document.fonts.ready is resolved once there are no more + // loading style sheets. + }); + + // NOTE: It is important that this style sheet test comes last in the file, + // as the neverending style sheet load will interfere with subsequent + // sub-tests. + + }).then(function() { + + // End of the tests. + SimpleTest.finish(); + + }, function(aError) { + + // Something failed. + ok(false, "Something failed: " + aError); + SimpleTest.finish(); + + }); +} + +function start() { + if (SpecialPowers.getBoolPref("layout.css.font-loading-api.enabled")) { + SpecialPowers.pushPrefEnv({ set: [["layout.css.font-display.enabled", true]] }, + runTest); + } else { + ok(true, "CSS Font Loading API is not enabled."); + } +} + +SimpleTest.waitForExplicitFinish(); +SimpleTest.requestLongerTimeout(5); + +</script> + +<style></style> +<div></div> |