<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=435293 --> <head> <title>Test for Bug 435293</title> <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> <style> /* Skewed boxes can get very big. The .pane wrapper prevents them from obscuring the test results. */ .pane { height: 300px; width: 300px; float: left; overflow: auto; border: 1px solid black; } .test { background: green; height: 100px; width: 100px; margin: 100px; } /* Radian units are not used in this test because our CSS implementation stores all dimensional values in single- precision floating point, which makes it impossible to hit mathematically interesting angles with radians. Degrees and grads do not suffer this problem. */ #test1 { -moz-transform: skewx(30deg); } #test2 { -moz-transform: skewy(60deg); } #test3 { -moz-transform: skew(45deg, 45deg); } #test4 { -moz-transform: skew(360deg, 45deg); } #test5 { -moz-transform: skew(45deg, 150grad); } #test6 { -moz-transform: skew(80%, 78px); } #test7 { -moz-transform: skew(2em, 40ex); } #test8 { -moz-transform: skew(-45deg, -465deg); } #test9 { -moz-transform: skew(30deg, 30deg, 30deg); } /* approach the singularity from the negative side */ #test10 { -moz-transform: skew(50grad, 90.001deg); } #test11 { -moz-transform: skew(300grad, 90.001deg); } </style> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=435293">Mozilla Bug 435293</a> <p id="display"></p> <div id="content"> <div class="pane"><div id="test1" class="test">test</div></div> <div class="pane"><p id="test2" class="test">test</p></div> <div class="pane"><div id="test3" class="test">test</div></div> <div class="pane"><div id="test4" class="test">test</div></div> <div class="pane"><div id="test5" class="test">test</div></div> <div class="pane"><div id="test6" class="test">test</div></div> <div class="pane"><div id="test7" class="test">test</div></div> <div class="pane"><div id="test8" class="test">test</div></div> <div class="pane"><div id="test9" class="test">test</div></div> <div class="pane"><div id="test10" class="test">test</div></div> <div class="pane"><div id="test11" class="test">test</div></div> </div> <pre id="test"> <script type="application/javascript"> runtests(); function runtests() { // For test 1 we need to handle the contingency that different systems may // round differently. We will parse out the values and compare them // individually. The matrix should be: matrix(1, 0, 0.57735, 1, 0, 0) var style = window.getComputedStyle(document.getElementById("test1"), ""); var tformStyle = style.getPropertyValue("-moz-transform"); var tformValues = tformStyle.substring(tformStyle.indexOf('(') + 1, tformStyle.indexOf(')')).split(','); is((+tformValues[0]), 1, "Test1: skewx: param 0 is 1"); is((+tformValues[1]), 0, "Test1: skewx: param 1 is 0"); ok(verifyRounded(tformValues[2], 0.57735), "Test1: skewx: Rounded param 2 is in bounds"); is((+tformValues[3]), 1, "Test1: skewx: param 3 is 1"); is((+tformValues[4]), 0, "Test1: skewx: param 4 is 0"); is((+tformValues[5]), 0, "Test1: skewx: param 5 is 0"); // Again, handle rounding for test 2, proper matrix should be: // matrix(1, 1.73205, 0, 1, 0, 0) style = window.getComputedStyle(document.getElementById("test2"), ""); tformStyle = style.getPropertyValue("-moz-transform"); tformValues = tformStyle.substring(tformStyle.indexOf('(') + 1, tformStyle.indexOf(')')).split(','); is((+tformValues[0]), 1, "Test2: skewy: param 0 is 1"); ok(verifyRounded(tformValues[1], 1.73205), "Test2: skewy: Rounded param 1 is in bounds"); is((+tformValues[2]), 0, "Test2: skewy: param 2 is 0"); is((+tformValues[3]), 1, "Test2: skewy: param 3 is 1"); is((+tformValues[4]), 0, "Test2: skewy: param 4 is 0"); is((+tformValues[5]), 0, "Test2: skewy: param 5 is 0"); style = window.getComputedStyle(document.getElementById("test3"), ""); is(style.getPropertyValue("-moz-transform"), "matrix(1, 1, 1, 1, 0, 0)", "Test3: Skew proper matrix is applied"); style = window.getComputedStyle(document.getElementById("test4"), ""); is(style.getPropertyValue("-moz-transform"), "matrix(1, 1, 0, 1, 0, 0)", "Test4: Skew angle wrap: proper matrix is applied"); style = window.getComputedStyle(document.getElementById("test5"), ""); is(style.getPropertyValue("-moz-transform"), "matrix(1, -1, 1, 1, 0, 0)", "Test5: Skew mixing deg and grad"); style = window.getComputedStyle(document.getElementById("test6"), ""); is(style.getPropertyValue("-moz-transform"), "none", "Test6: Skew with invalid units"); style = window.getComputedStyle(document.getElementById("test7"), ""); is(style.getPropertyValue("-moz-transform"), "none", "Test7: Skew with more invalid units"); // Test 8: skew with negative degrees, here again we must handle rounding. // The matrix should be: matrix(1, 3.73206, -1, 1, 0, 0) style = window.getComputedStyle(document.getElementById("test8"), ""); tformStyle = style.getPropertyValue("-moz-transform"); tformValues = tformStyle.substring(tformStyle.indexOf('(') + 1, tformStyle.indexOf(')')).split(','); is((+tformValues[0]), 1, "Test8: Test skew with negative degrees-param 0 is 1"); ok(verifyRounded(tformValues[1], 3.73206), "Test8: Rounded param 1 is in bounds"); is((+tformValues[2]), -1, "Test8: param 2 is -1"); is((+tformValues[3]), 1, "Test8: param 3 is 1"); is((+tformValues[4]), 0, "Test8: param 4 is 0"); is((+tformValues[5]), 0, "Test8: param 5 is 0"); style = window.getComputedStyle(document.getElementById("test9"), ""); is(style.getPropertyValue("-moz-transform"), "none", "Test9: Skew in 3d should be ignored"); style = window.getComputedStyle(document.getElementById("test10"), ""); is(style.getPropertyValue("-moz-transform"), "matrix(1, -10000, 1, 1, 0, 0)", "Test10: Skew with nearly infinite numbers"); style = window.getComputedStyle(document.getElementById("test11"), ""); is(style.getPropertyValue("-moz-transform"), "matrix(1, -10000, 10000, 1, 0, 0)", "Test11: Skew with more infinite numbers"); } // Verifies that aVal is +/- 0.00001 of aTrueVal // Returns true if so, false if not function verifyRounded(aVal, aTrueVal) { return (Math.abs(aVal - aTrueVal).toFixed(5) <= 0.00001); } </script> </pre> </body> </html>