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Diffstat (limited to 'dom/base/test/test_fileapi.html')
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diff --git a/dom/base/test/test_fileapi.html b/dom/base/test/test_fileapi.html new file mode 100644 index 000000000..fc33c7ae6 --- /dev/null +++ b/dom/base/test/test_fileapi.html @@ -0,0 +1,479 @@ +<!DOCTYPE HTML> +<html> +<head> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=414796 +--> + <title>Test for Bug 414796</title> + <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> +</head> + +<body> +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=414796">Mozilla Bug 414796</a> +<p id="display"> +</p> +<div id="content" style="display: none"> +</div> + +<pre id="test"> +<script class="testbody" type="text/javascript;version=1.7"> + +// File constructors should not work from non-chrome code +try { + var file = File("/etc/passwd"); + ok(false, "Did not throw on unprivileged attempt to construct a File"); +} catch (e) { + ok(true, "Threw on an unprivileged attempt to construct a File"); +} + +const minFileSize = 20000; +var testRanCounter = 0; +var expectedTestCount = 0; +var testSetupFinished = false; +SimpleTest.waitForExplicitFinish(); + +is(FileReader.EMPTY, 0, "correct EMPTY value"); +is(FileReader.LOADING, 1, "correct LOADING value"); +is(FileReader.DONE, 2, "correct DONE value"); + +// Create strings containing data we'll test with. We'll want long +// strings to ensure they span multiple buffers while loading +var testTextData = "asd b\tlah\u1234w\u00a0r"; +while (testTextData.length < minFileSize) { + testTextData = testTextData + testTextData; +} + +var testASCIIData = "abcdef 123456\n"; +while (testASCIIData.length < minFileSize) { + testASCIIData = testASCIIData + testASCIIData; +} + +var testBinaryData = ""; +for (var i = 0; i < 256; i++) { + testBinaryData += String.fromCharCode(i); +} +while (testBinaryData.length < minFileSize) { + testBinaryData = testBinaryData + testBinaryData; +} + +var dataurldata0 = testBinaryData.substr(0, testBinaryData.length - + testBinaryData.length % 3); +var dataurldata1 = testBinaryData.substr(0, testBinaryData.length - 2 - + testBinaryData.length % 3); +var dataurldata2 = testBinaryData.substr(0, testBinaryData.length - 1 - + testBinaryData.length % 3); + + +//Set up files for testing +var openerURL = SimpleTest.getTestFileURL("fileapi_chromeScript.js"); +var opener = SpecialPowers.loadChromeScript(openerURL); +opener.addMessageListener("files.opened", onFilesOpened); +opener.sendAsyncMessage("files.open", [ + testASCIIData, + testBinaryData, + null, + convertToUTF8(testTextData), + convertToUTF16(testTextData), + "", + dataurldata0, + dataurldata1, + dataurldata2, +]); + +function onFilesOpened(message) { + let [ + asciiFile, + binaryFile, + nonExistingFile, + utf8TextFile, + utf16TextFile, + emptyFile, + dataUrlFile0, + dataUrlFile1, + dataUrlFile2, + ] = message; + + // Test that plain reading works and fires events as expected, both + // for text and binary reading + + var onloadHasRunText = false; + var onloadStartHasRunText = false; + r = new FileReader(); + is(r.readyState, FileReader.EMPTY, "correct initial text readyState"); + r.onload = getLoadHandler(testASCIIData, testASCIIData.length, "plain reading"); + r.addEventListener("load", function() { onloadHasRunText = true }, false); + r.addEventListener("loadstart", function() { onloadStartHasRunText = true }, false); + r.readAsText(asciiFile); + is(r.readyState, FileReader.LOADING, "correct loading text readyState"); + is(onloadHasRunText, false, "text loading must be async"); + is(onloadStartHasRunText, true, "text loadstart should fire sync"); + expectedTestCount++; + + var onloadHasRunBinary = false; + var onloadStartHasRunBinary = false; + r = new FileReader(); + is(r.readyState, FileReader.EMPTY, "correct initial binary readyState"); + r.addEventListener("load", function() { onloadHasRunBinary = true }, false); + r.addEventListener("loadstart", function() { onloadStartHasRunBinary = true }, false); + r.readAsBinaryString(binaryFile); + r.onload = getLoadHandler(testBinaryData, testBinaryData.length, "binary reading"); + is(r.readyState, FileReader.LOADING, "correct loading binary readyState"); + is(onloadHasRunBinary, false, "binary loading must be async"); + is(onloadStartHasRunBinary, true, "binary loadstart should fire sync"); + expectedTestCount++; + + var onloadHasRunArrayBuffer = false; + var onloadStartHasRunArrayBuffer = false; + r = new FileReader(); + is(r.readyState, FileReader.EMPTY, "correct initial arrayBuffer readyState"); + r.addEventListener("load", function() { onloadHasRunArrayBuffer = true }, false); + r.addEventListener("loadstart", function() { onloadStartHasRunArrayBuffer = true }, false); + r.readAsArrayBuffer(binaryFile); + r.onload = getLoadHandlerForArrayBuffer(testBinaryData, testBinaryData.length, "array buffer reading"); + is(r.readyState, FileReader.LOADING, "correct loading arrayBuffer readyState"); + is(onloadHasRunArrayBuffer, false, "arrayBuffer loading must be async"); + is(onloadStartHasRunArrayBuffer, true, "arrayBuffer loadstart should fire sync"); + expectedTestCount++; + + // Test a variety of encodings, and make sure they work properly + r = new FileReader(); + r.onload = getLoadHandler(testASCIIData, testASCIIData.length, "no encoding reading"); + r.readAsText(asciiFile, ""); + expectedTestCount++; + + r = new FileReader(); + r.onload = getLoadHandler(testASCIIData, testASCIIData.length, "iso8859 reading"); + r.readAsText(asciiFile, "iso-8859-1"); + expectedTestCount++; + + r = new FileReader(); + r.onload = getLoadHandler(testTextData, + convertToUTF8(testTextData).length, + "utf8 reading"); + r.readAsText(utf8TextFile, "utf8"); + expectedTestCount++; + + r = new FileReader(); + r.readAsText(utf16TextFile, "utf-16"); + r.onload = getLoadHandler(testTextData, + convertToUTF16(testTextData).length, + "utf16 reading"); + expectedTestCount++; + + // Test get result without reading + r = new FileReader(); + is(r.readyState, FileReader.EMPTY, + "readyState in test reader get result without reading"); + is(r.error, null, + "no error in test reader get result without reading"); + is(r.result, null, + "result in test reader get result without reading"); + + // Test loading an empty file works (and doesn't crash!) + r = new FileReader(); + r.onload = getLoadHandler("", 0, "empty no encoding reading"); + r.readAsText(emptyFile, ""); + expectedTestCount++; + + r = new FileReader(); + r.onload = getLoadHandler("", 0, "empty utf8 reading"); + r.readAsText(emptyFile, "utf8"); + expectedTestCount++; + + r = new FileReader(); + r.onload = getLoadHandler("", 0, "empty utf16 reading"); + r.readAsText(emptyFile, "utf-16"); + expectedTestCount++; + + r = new FileReader(); + r.onload = getLoadHandler("", 0, "empty binary string reading"); + r.readAsBinaryString(emptyFile); + expectedTestCount++; + + r = new FileReader(); + r.onload = getLoadHandlerForArrayBuffer("", 0, "empty array buffer reading"); + r.readAsArrayBuffer(emptyFile); + expectedTestCount++; + + r = new FileReader(); + r.onload = getLoadHandler(convertToDataURL(""), 0, "empt binary string reading"); + r.readAsDataURL(emptyFile); + expectedTestCount++; + + // Test reusing a FileReader to read multiple times + r = new FileReader(); + r.onload = getLoadHandler(testASCIIData, + testASCIIData.length, + "to-be-reused reading text") + var makeAnotherReadListener = function(event) { + r = event.target; + r.removeEventListener("load", makeAnotherReadListener, false); + r.onload = getLoadHandler(testASCIIData, + testASCIIData.length, + "reused reading text"); + r.readAsText(asciiFile); + }; + r.addEventListener("load", makeAnotherReadListener, false); + r.readAsText(asciiFile); + expectedTestCount += 2; + + r = new FileReader(); + r.onload = getLoadHandler(testBinaryData, + testBinaryData.length, + "to-be-reused reading binary") + var makeAnotherReadListener2 = function(event) { + r = event.target; + r.removeEventListener("load", makeAnotherReadListener2, false); + r.onload = getLoadHandler(testBinaryData, + testBinaryData.length, + "reused reading binary"); + r.readAsBinaryString(binaryFile); + }; + r.addEventListener("load", makeAnotherReadListener2, false); + r.readAsBinaryString(binaryFile); + expectedTestCount += 2; + + r = new FileReader(); + r.onload = getLoadHandler(convertToDataURL(testBinaryData), + testBinaryData.length, + "to-be-reused reading data url") + var makeAnotherReadListener3 = function(event) { + r = event.target; + r.removeEventListener("load", makeAnotherReadListener3, false); + r.onload = getLoadHandler(convertToDataURL(testBinaryData), + testBinaryData.length, + "reused reading data url"); + r.readAsDataURL(binaryFile); + }; + r.addEventListener("load", makeAnotherReadListener3, false); + r.readAsDataURL(binaryFile); + expectedTestCount += 2; + + r = new FileReader(); + r.onload = getLoadHandlerForArrayBuffer(testBinaryData, + testBinaryData.length, + "to-be-reused reading arrayBuffer") + var makeAnotherReadListener4 = function(event) { + r = event.target; + r.removeEventListener("load", makeAnotherReadListener4, false); + r.onload = getLoadHandlerForArrayBuffer(testBinaryData, + testBinaryData.length, + "reused reading arrayBuffer"); + r.readAsArrayBuffer(binaryFile); + }; + r.addEventListener("load", makeAnotherReadListener4, false); + r.readAsArrayBuffer(binaryFile); + expectedTestCount += 2; + + // Test first reading as ArrayBuffer then read as something else + // (BinaryString) and doesn't crash + r = new FileReader(); + r.onload = getLoadHandlerForArrayBuffer(testBinaryData, + testBinaryData.length, + "to-be-reused reading arrayBuffer") + var makeAnotherReadListener5 = function(event) { + r = event.target; + r.removeEventListener("load", makeAnotherReadListener5, false); + r.onload = getLoadHandler(testBinaryData, + testBinaryData.length, + "reused reading binary string"); + r.readAsBinaryString(binaryFile); + }; + r.addEventListener("load", makeAnotherReadListener5, false); + r.readAsArrayBuffer(binaryFile); + expectedTestCount += 2; + + //Test data-URI encoding on differing file sizes + is(dataurldata0.length % 3, 0, "Want to test data with length % 3 == 0"); + r = new FileReader(); + r.onload = getLoadHandler(convertToDataURL(dataurldata0), + dataurldata0.length, + "dataurl reading, %3 = 0"); + r.readAsDataURL(dataUrlFile0); + expectedTestCount++; + + is(dataurldata1.length % 3, 1, "Want to test data with length % 3 == 1"); + r = new FileReader(); + r.onload = getLoadHandler(convertToDataURL(dataurldata1), + dataurldata1.length, + "dataurl reading, %3 = 1"); + r.readAsDataURL(dataUrlFile1); + expectedTestCount++; + + is(dataurldata2.length % 3, 2, "Want to test data with length % 3 == 2"); + r = new FileReader(); + r.onload = getLoadHandler(convertToDataURL(dataurldata2), + dataurldata2.length, + "dataurl reading, %3 = 2"); + r.readAsDataURL(dataUrlFile2), + expectedTestCount++; + + + // Test abort() + var abortHasRun = false; + var loadEndHasRun = false; + r = new FileReader(); + r.onabort = function (event) { + is(abortHasRun, false, "abort should only fire once"); + is(loadEndHasRun, false, "loadend shouldn't have fired yet"); + abortHasRun = true; + is(event.target.readyState, FileReader.DONE, "should be DONE while firing onabort"); + is(event.target.error.name, "AbortError", "error set to AbortError for aborted reads"); + is(event.target.result, null, "file data should be null on aborted reads"); + } + r.onloadend = function (event) { + is(abortHasRun, true, "abort should fire before loadend"); + is(loadEndHasRun, false, "loadend should only fire once"); + loadEndHasRun = true; + is(event.target.readyState, FileReader.DONE, "should be DONE while firing onabort"); + is(event.target.error.name, "AbortError", "error set to AbortError for aborted reads"); + is(event.target.result, null, "file data should be null on aborted reads"); + } + r.onload = function() { ok(false, "load should not fire for aborted reads") }; + r.onerror = function() { ok(false, "error should not fire for aborted reads") }; + r.onprogress = function() { ok(false, "progress should not fire for aborted reads") }; + var abortThrew = false; + try { + r.abort(); + } catch(e) { + abortThrew = true; + } + is(abortThrew, true, "abort() must throw if not loading"); + is(abortHasRun, false, "abort() is a no-op unless loading"); + r.readAsText(asciiFile); + r.abort(); + is(abortHasRun, true, "abort should fire sync"); + is(loadEndHasRun, true, "loadend should fire sync"); + + // Test calling readAsX to cause abort() + var reuseAbortHasRun = false; + r = new FileReader(); + r.onabort = function (event) { + is(reuseAbortHasRun, false, "abort should only fire once"); + reuseAbortHasRun = true; + is(event.target.readyState, FileReader.DONE, "should be DONE while firing onabort"); + is(event.target.error.name, "AbortError", "error set to AbortError for aborted reads"); + is(event.target.result, null, "file data should be null on aborted reads"); + } + r.onload = function() { ok(false, "load should not fire for aborted reads") }; + var abortThrew = false; + try { + r.abort(); + } catch(e) { + abortThrew = true; + } + is(abortThrew, true, "abort() must throw if not loading"); + is(reuseAbortHasRun, false, "abort() is a no-op unless loading"); + r.readAsText(asciiFile); + r.readAsText(asciiFile); + is(reuseAbortHasRun, true, "abort should fire sync"); + r.onload = getLoadHandler(testASCIIData, testASCIIData.length, "reuse-as-abort reading"); + expectedTestCount++; + + + // Test reading from nonexistent files + r = new FileReader(); + var didThrow = false; + r.onerror = function (event) { + is(event.target.readyState, FileReader.DONE, "should be DONE while firing onerror"); + is(event.target.error.name, "NotFoundError", "error set to NotFoundError for nonexistent files"); + is(event.target.result, null, "file data should be null on aborted reads"); + testHasRun(); + }; + r.onload = function (event) { + is(false, "nonexistent file shouldn't load! (FIXME: bug 1122788)"); + testHasRun(); + }; + try { + r.readAsDataURL(nonExistingFile); + expectedTestCount++; + } catch(ex) { + didThrow = true; + } + // Once this test passes, we should test that onerror gets called and + // that the FileReader object is in the right state during that call. + is(didThrow, false, "shouldn't throw when opening nonexistent file, should fire error instead"); + + + function getLoadHandler(expectedResult, expectedLength, testName) { + return function (event) { + is(event.target.readyState, FileReader.DONE, + "readyState in test " + testName); + is(event.target.error, null, + "no error in test " + testName); + is(event.target.result, expectedResult, + "result in test " + testName); + is(event.lengthComputable, true, + "lengthComputable in test " + testName); + is(event.loaded, expectedLength, + "loaded in test " + testName); + is(event.total, expectedLength, + "total in test " + testName); + testHasRun(); + } + } + + function getLoadHandlerForArrayBuffer(expectedResult, expectedLength, testName) { + return function (event) { + is(event.target.readyState, FileReader.DONE, + "readyState in test " + testName); + is(event.target.error, null, + "no error in test " + testName); + is(event.lengthComputable, true, + "lengthComputable in test " + testName); + is(event.loaded, expectedLength, + "loaded in test " + testName); + is(event.total, expectedLength, + "total in test " + testName); + is(event.target.result.byteLength, expectedLength, + "array buffer size in test " + testName); + var u8v = new Uint8Array(event.target.result); + is(String.fromCharCode.apply(String, u8v), expectedResult, + "array buffer contents in test " + testName); + u8v = null; + SpecialPowers.gc(); + is(event.target.result.byteLength, expectedLength, + "array buffer size after gc in test " + testName); + u8v = new Uint8Array(event.target.result); + is(String.fromCharCode.apply(String, u8v), expectedResult, + "array buffer contents after gc in test " + testName); + testHasRun(); + } + } + + function testHasRun() { + //alert(testRanCounter); + ++testRanCounter; + if (testRanCounter == expectedTestCount) { + is(testSetupFinished, true, "test setup should have finished; check for exceptions"); + is(onloadHasRunText, true, "onload text should have fired by now"); + is(onloadHasRunBinary, true, "onload binary should have fired by now"); + opener.destroy(); + SimpleTest.finish(); + } + } + + testSetupFinished = true; +} + +function convertToUTF16(s) { + res = ""; + for (var i = 0; i < s.length; ++i) { + c = s.charCodeAt(i); + res += String.fromCharCode(c & 255, c >>> 8); + } + return res; +} + +function convertToUTF8(s) { + return unescape(encodeURIComponent(s)); +} + +function convertToDataURL(s) { + return "data:application/octet-stream;base64," + btoa(s); +} + +</script> +</pre> +</body> </html> |