properties-value-001.html (6555B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="utf-8"> 5 <title>CSS Transitions Test: Intermediate Property Values</title> 6 <meta name="timeout" content="long"> 7 <meta name="assert" content="Test checks that value ranges between start and end while transitioning"> 8 <link rel="help" href="http://www.w3.org/TR/css3-transitions/#transitions"> 9 <link rel="help" href="https://drafts.csswg.org/web-animations-1/#animation-type"> 10 <link rel="author" title="Rodney Rehm" href="http://rodneyrehm.de/en/"> 11 <meta name="flags" content="dom"> 12 13 <script src="/resources/testharness.js" type="text/javascript"></script> 14 <script src="/resources/testharnessreport.js" type="text/javascript"></script> 15 16 <script src="./support/vendorPrefix.js" type="text/javascript"></script> 17 <script src="./support/helper.js" type="text/javascript"></script> 18 <script src="./support/runParallelAsyncHarness.js" type="text/javascript"></script> 19 <script src="./support/generalParallelTest.js" type="text/javascript"></script> 20 <script src="./support/properties.js" type="text/javascript"></script> 21 22 <style type="text/css"> 23 #offscreen { 24 position: absolute; 25 top: -100000px; 26 left: -100000px; 27 width: 100000px; 28 height: 100000px; 29 } 30 </style> 31 </head> 32 <body> 33 <!-- required by testharnessreport.js --> 34 <div id="log"></div> 35 <!-- elements used for testing --> 36 <div id="fixture" class="fixture"> 37 <div class="container"> 38 <div class="transition">Text sample</div> 39 </div> 40 </div> 41 <div id="offscreen"></div> 42 43 <!-- 44 SEE ./support/README.md for an abstract explanation of the test procedure 45 http://test.csswg.org/source/contributors/rodneyrehm/submitted/css3-transitions/README.md 46 --> 47 48 <script> 49 // this test takes its time, give it a minute to run 50 var timeout = 60000; 51 setup({timeout: timeout}); 52 53 var tests = getPropertyTests(); 54 // for testing, limit to a couple of iterations 55 // tests = tests.slice(10, 30); 56 // or filter using one of: 57 // tests = filterPropertyTests(tests, "background-color color(rgba)"); 58 // tests = filterPropertyTests(tests, ["background-color color(rgba)", ...]); 59 // tests = filterPropertyTests(tests, /^background-color/); 60 61 // general transition-duration 62 var duration = '2s'; 63 64 runParallelAsyncHarness({ 65 // array of test data 66 tests: tests, 67 // the number of tests to run in parallel 68 testsPerSlice: 50, 69 // milliseconds to wait before calling teardown and ending test 70 duration: parseFloat(duration) * 1000, 71 // prepare individual test 72 setup: function(data, options) { 73 var styles = { 74 '.fixture': {}, 75 76 '.container': data.parentStyle, 77 '.container.to': {}, 78 '.container.how': {}, 79 80 '.transition': data.from, 81 '.transition.to' : data.to, 82 '.transition.how' : {transition: 'all ' + duration + ' linear 0s'} 83 }; 84 85 generalParallelTest.setup(data, options); 86 generalParallelTest.addStyles(data, options, styles); 87 }, 88 // cleanup after individual test 89 teardown: generalParallelTest.teardown, 90 // invoked prior to running a slice of tests 91 sliceStart: generalParallelTest.sliceStart, 92 // invoked after transitions have started 93 transitionsStarted: generalParallelTest.transitionsStarted, 94 // invoked after running a slice of tests 95 sliceDone: generalParallelTest.sliceDone, 96 // test cases, make them as granular as possible 97 cases: { 98 // test property values while transitioning 99 // values.start kicks off a transition 100 'values': { 101 // run actual test, assertions can be used here! 102 start: function(test, data, options) { 103 // identify initial and target values 104 generalParallelTest.getStyle(data); 105 // make sure values differ, if they don't, the property could most likely not be parsed 106 assert_not_equals(data.transition.from, data.transition.to, "initial and target values may not match"); 107 // kick off the transition 108 generalParallelTest.startTransition(data); 109 110 // make sure we didn't get the target value immediately. 111 // If we did, there wouldn't be a transition! 112 var current = data.transition.computedStyle(data.property); 113 assert_not_equals(current, data.transition.to, "must not be target value after start"); 114 }, 115 done: function(test, data, options) { 116 // make sure the property's value were neither initial nor target while transitioning 117 test.step(generalParallelTest.assertIntermediateValuesFunc(data, 'transition')); 118 } 119 }, 120 // test TransitionEnd events 121 'events': { 122 done: function(test, data, options) { 123 // make sure there were no events on parent 124 test.step(generalParallelTest.assertExpectedEventsFunc(data, 'container', "")); 125 // make sure we got the event for the tested property only 126 test.step(generalParallelTest.assertExpectedEventsFunc(data, 'transition', addVendorPrefix(data.property) + ":" + duration)); 127 } 128 } 129 }, 130 // called once all tests are done 131 done: generalParallelTest.done 132 }); 133 </script> 134 </body> 135 </html>