| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>CSS Transitions Test: transitioning implicitly inherited property values</title> |
| <meta name="assert" content="Test checks that implicitly inherited property values that are transitioned on a parent element don't start a transition"> |
| <link rel="help" title="3. Starting of transitions" href="http://www.w3.org/TR/css3-transitions/#starting"> |
| <link rel="author" title="Rodney Rehm" href="http://rodneyrehm.de/en/"> |
| <meta name="flags" content="dom "> |
| |
| <script src="/resources/testharness.js" type="text/javascript"></script> |
| <script src="/resources/testharnessreport.js" type="text/javascript"></script> |
| |
| <script src="./support/vendorPrefix.js" type="text/javascript"></script> |
| <script src="./support/helper.js" type="text/javascript"></script> |
| <script src="./support/runParallelAsyncHarness.js" type="text/javascript"></script> |
| <script src="./support/generalParallelTest.js" type="text/javascript"></script> |
| <script src="./support/properties.js" type="text/javascript"></script> |
| |
| <style type="text/css"> |
| #offscreen { |
| position: absolute; |
| top: -100000px; |
| left: -100000px; |
| width: 100000px; |
| height: 100000px; |
| } |
| </style> |
| </head> |
| <body> |
| <!-- required by testharnessreport.js --> |
| <div id="log"></div> |
| <!-- elements used for testing --> |
| <div id="fixture" class="fixture"> |
| <div class="container"> |
| <div class="transition">Text sample</div> |
| </div> |
| </div> |
| <div id="offscreen"></div> |
| |
| <!-- |
| SEE ./support/README.md for an abstract explanation of the test procedure |
| http://test.csswg.org/source/contributors/rodneyrehm/submitted/css3-transitions/README.md |
| --> |
| |
| <script> |
| // http://www.w3.org/TR/css3-transitions/#starting |
| // Implementations also must not start a transition when the computed value changes because |
| // it is inherited (directly or indirectly) from another element that is transitioning the same property. |
| // Note: "indirectly" could mean "font-size" on parent, "em-based" on element |
| |
| // this test takes its time, give it a minute to run |
| var timeout = 60000; |
| setup({timeout: timeout}); |
| |
| var tests = getFontSizeRelativePropertyTests(); |
| // for testing, limit to a couple of iterations |
| // tests = tests.slice(10, 30); |
| // or filter using one of: |
| // tests = filterPropertyTests(tests, "background-color color(rgba)"); |
| // tests = filterPropertyTests(tests, ["background-color color(rgba)", ...]); |
| // tests = filterPropertyTests(tests, /^background-color/); |
| |
| // general transition-duration |
| var duration = '2s'; |
| |
| runParallelAsyncHarness({ |
| // array of test data |
| tests: tests, |
| // the number of tests to run in parallel |
| testsPerSlice: 50, |
| // milliseconds to wait before calling teardown and ending test |
| duration: parseFloat(duration) * 1000, |
| // prepare individual test |
| setup: function(data, options) { |
| // have parent transition the font-size only |
| var from = extend({}, data.from, {'font-size': '20px'}); |
| delete from[data.property]; |
| |
| var styles = { |
| // as we're testing inheritance, #fixture is our new parent |
| '.fixture': data.parentStyle, |
| |
| '.container': from, |
| '.container.to': {'font-size': '30px'}, |
| // transition font-size on parent |
| '.container.how': {transition: 'font-size ' + duration + ' linear 0s'}, |
| |
| '.transition': data.from, |
| '.transition.to' : {}, |
| // transition font-size dependent property on child |
| '.transition.how' : {transition: addVendorPrefix(data.property) + ' ' + duration + ' linear 0s'} |
| }; |
| |
| generalParallelTest.setup(data, options); |
| generalParallelTest.addStyles(data, options, styles); |
| }, |
| // cleanup after individual test |
| teardown: generalParallelTest.teardown, |
| // invoked prior to running a slice of tests |
| sliceStart: generalParallelTest.sliceStart, |
| // invoked after running a slice of tests |
| sliceDone: generalParallelTest.sliceDone, |
| // test cases, make them as granular as possible |
| cases: { |
| // test property values while transitioning |
| // values.start kicks off a transition |
| 'values': { |
| // run actual test, assertions can be used here! |
| start: function(test, data, options) { |
| // identify initial and target values |
| generalParallelTest.getStyle(data); |
| // make sure values differ, if they don't, the property could most likely not be parsed |
| assert_not_equals(data.transition.from, data.transition.to, "initial and target values may not match"); |
| // kick off the transition |
| generalParallelTest.startTransition(data); |
| |
| // make sure we didn't get the target value immediately. |
| // If we did, there wouldn't be a transition! |
| var current = data.transition.computedStyle(data.property); |
| assert_not_equals(current, data.transition.to, "must not be target value after start"); |
| }, |
| done: function(test, data, options) { |
| // make sure the property's value were neither initial nor target while transitioning |
| test.step(generalParallelTest.assertIntermediateValuesFunc(data, 'transition')); |
| } |
| }, |
| // test TransitionEnd events |
| 'events': { |
| done: function(test, data, options) { |
| // make sure there were no events on parent |
| test.step(generalParallelTest.assertExpectedEventsFunc(data, 'container', "font-size:" + duration)); |
| // make sure we got the event for the tested property only |
| test.step(generalParallelTest.assertExpectedEventsFunc(data, 'transition', "")); |
| } |
| } |
| }, |
| // called once all tests are done |
| done: generalParallelTest.done |
| }); |
| </script> |
| </body> |
| </html> |