| OLD | NEW |
|---|
| (Empty) |
| 1 <!doctype html> | |
| 2 <script src="../resources/testharness.js"></script> | |
| 3 <script src="../resources/testharnessreport.js"></script> | |
| 4 <script src="./resources/resizeTestHelper.js"></script> | |
| 5 <p>ResizeObserver tests</p> | |
| 6 <div id="target1" style="width:100px;height:100px;">t1</div> | |
| 7 <div id="target2" style="width:100px;height:100px;">t2</div> | |
| 8 <img id="target3" style="width:100px;height:100px;"> | |
| 9 <iframe src="./resources/iframe.html" width="300px" height="100px" style="displa
y:block"></iframe> | |
| 10 <script> | |
| 11 'use strict'; | |
| 12 | |
| 13 var helper = new ResizeTestHelper(); | |
| 14 | |
| 15 let t1 = document.querySelector('#target1'); | |
| 16 let t2 = document.querySelector('#target2'); | |
| 17 | |
| 18 // allow uncaught exception because ResizeObserver posts exceptions | |
| 19 // to window error handler when limit is exceeded. | |
| 20 setup({allow_uncaught_exception: true}); | |
| 21 | |
| 22 function test0() { | |
| 23 helper.createTest( | |
| 24 "simple observation", | |
| 25 _ => { | |
| 26 helper.observer.disconnect(); | |
| 27 helper.observer.observe(t1); | |
| 28 t1.style.width = "5px"; | |
| 29 }, | |
| 30 entries => { | |
| 31 assert_equals(entries.length, 1, "1 pending notification"); | |
| 32 assert_equals(entries[0].target, t1, "target is t1"); | |
| 33 assert_equals(entries[0].contentRect.width, 5, "target width"); | |
| 34 test1(); | |
| 35 } | |
| 36 ); | |
| 37 helper.nextTest(); | |
| 38 } | |
| 39 | |
| 40 function test1() { | |
| 41 helper.createTest( | |
| 42 "multiple observation on same element trigger only one", | |
| 43 _ => { | |
| 44 helper.observer.observe(t1); | |
| 45 helper.observer.observe(t1); | |
| 46 t1.style.width = "10px"; | |
| 47 }, | |
| 48 entries => { | |
| 49 assert_equals(entries.length, 1, "1 pending notification"); | |
| 50 helper.observer.disconnect(); | |
| 51 test2(); | |
| 52 } | |
| 53 ); | |
| 54 helper.nextTestRaf(); | |
| 55 } | |
| 56 | |
| 57 function test2() { | |
| 58 test(_ => { | |
| 59 assert_throws(null, _=> { | |
| 60 helper.observer.observe({}); | |
| 61 }); | |
| 62 test3(); | |
| 63 }, | |
| 64 "throw exception when observing non-element" | |
| 65 ); | |
| 66 } | |
| 67 | |
| 68 function test3() { | |
| 69 helper.createTest( | |
| 70 "disconnect stops all notifications", | |
| 71 setup => { | |
| 72 helper.observer.observe(t1); | |
| 73 helper.observer.observe(t2); | |
| 74 helper.observer.disconnect(); | |
| 75 t1.style.width = "30px"; | |
| 76 }, | |
| 77 entries => { | |
| 78 assert_unreached("no entries should happen"); | |
| 79 }, | |
| 80 timeout => { | |
| 81 // timeout happened, all is well. | |
| 82 test4(); | |
| 83 } | |
| 84 ); | |
| 85 helper.nextTestRaf(); | |
| 86 } | |
| 87 | |
| 88 function test4() { | |
| 89 helper.createTest( | |
| 90 "unobserve target stops notifications, unobserve non-observed does nothing", | |
| 91 setup => { | |
| 92 helper.observer.observe(t1); | |
| 93 helper.observer.observe(t2); | |
| 94 helper.observer.unobserve(t1); | |
| 95 helper.observer.unobserve(document.body); | |
| 96 t1.style.width = "40px"; | |
| 97 t2.style.width = "40px"; | |
| 98 }, | |
| 99 entries => { | |
| 100 assert_equals(entries.length, 1, "only t2"); | |
| 101 assert_equals(entries[0].target, t2, "t2 was observed"); | |
| 102 helper.observer.disconnect(); | |
| 103 test5(); | |
| 104 } | |
| 105 ); | |
| 106 helper.nextTestRaf(); | |
| 107 } | |
| 108 | |
| 109 function test5() { | |
| 110 let t4 = document.querySelector('#target3'); | |
| 111 helper.createTest( | |
| 112 "observe img", | |
| 113 setup => { | |
| 114 helper.observer.observe(t4); | |
| 115 }, | |
| 116 entries => { | |
| 117 helper.nextTest(); | |
| 118 } | |
| 119 ); | |
| 120 helper.createTest( | |
| 121 "observe img, part 2", | |
| 122 setup => { | |
| 123 t4.style.width = "100.5px"; | |
| 124 }, | |
| 125 entries => { | |
| 126 assert_equals(entries.length, 1); | |
| 127 assert_equals(entries[0].contentRect.width, 100.5); | |
| 128 helper.observer.disconnect(); | |
| 129 test6(); | |
| 130 } | |
| 131 ); | |
| 132 helper.nextTestRaf(); | |
| 133 } | |
| 134 | |
| 135 function test6() { | |
| 136 let test = async_test('iframe notifications'); | |
| 137 let testRequested = false; | |
| 138 let iframe = document.querySelector('iframe'); | |
| 139 window.addEventListener('message', event => { | |
| 140 switch(event.data) { | |
| 141 case 'readyToTest': | |
| 142 if (!testRequested) { | |
| 143 iframe.contentWindow.postMessage('startTest', '*'); | |
| 144 testRequested = true; | |
| 145 } | |
| 146 break; | |
| 147 case 'success': | |
| 148 case 'fail': | |
| 149 test.step( () => { | |
| 150 assert_equals(event.data, 'success'); | |
| 151 test.done(); | |
| 152 }); | |
| 153 break; | |
| 154 } | |
| 155 }, false); | |
| 156 } | |
| 157 | |
| 158 test0(); | |
| 159 | |
| 160 </script> | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2242773003:
Revert of ResizeObserver pt6: integration (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master