Chromium Code Reviews| OLD | NEW |
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| 1 <!DOCTYPE HTML> | |
| 2 <script src="../resources/testharness.js"></script> | |
| 3 <script src="../resources/testharnessreport.js"></script> | |
| 4 | |
| 5 <!-- | |
| 6 | |
| 7 Accessibility Object Model | |
| 8 Explainer: https://github.com/WICG/aom/blob/master/explainer.md | |
| 9 Spec: https://wicg.github.io/aom/spec/ | |
| 10 | |
| 11 --> | |
| 12 | |
| 13 <script> | |
| 14 function gc() | |
|
esprehn
2017/03/28 21:39:58
Is this not in the testharness.js somewhere? Can y
dmazzoni
2017/03/29 07:00:42
Ah, found something in resources/gc.js. I filed ht
| |
| 15 { | |
| 16 if (window.GCController) | |
| 17 return GCController.collect(); | |
| 18 | |
| 19 // Force garbage collection (FF requires about 9K allocations | |
| 20 // before a collect) | |
| 21 for (var i = 0; i < 10000; i++) { | |
| 22 var s = new String("abc"); | |
| 23 } | |
| 24 } | |
| 25 </script> | |
| 26 | |
| 27 <button id="button">Click Me</button> | |
| 28 | |
| 29 <script> | |
| 30 if (window.internals) | |
| 31 internals.runtimeFlags.accessibilityObjectModelEnabled = true; | |
| 32 | |
| 33 test(function(t) { | |
| 34 var button = document.getElementById("button"); | |
| 35 assert_equals(button.nodeType, Node.ELEMENT_NODE); | |
| 36 assert_not_equals(button.accessibleNode, null); | |
| 37 }, "DOM Elements have an AccessibleNode"); | |
| 38 | |
| 39 test(function(t) { | |
| 40 var button = document.getElementById("button"); | |
| 41 var staticText = button.firstChild; | |
| 42 assert_equals(staticText.nodeType, Node.TEXT_NODE); | |
| 43 assert_not_equals(staticText.accessibleNode, null); | |
| 44 }, "DOM Text nodes do not have an AccessibleNode."); | |
| 45 | |
| 46 test(function(t) { | |
| 47 var button = document.getElementById("button"); | |
| 48 var aomButton = button.accessibleNode; | |
| 49 | |
| 50 assert_equals(aomButton.role, null); | |
| 51 assert_equals(aomButton.label, null); | |
| 52 assert_equals(aomButton.foo, undefined); | |
| 53 assert_equals(aomButton.bar, undefined); | |
| 54 }, "Supported properties on an AccessibleNode are all null by default"); | |
| 55 | |
| 56 test(function(t) { | |
| 57 var button = document.getElementById("button"); | |
| 58 var aomButton = button.accessibleNode; | |
| 59 var axButton = accessibilityController.accessibleElementById("button"); | |
| 60 | |
| 61 button.setAttribute("role", "checkbox"); | |
| 62 button.setAttribute("aria-label", "Check Me"); | |
| 63 | |
| 64 assert_equals(axButton.role, "AXRole: AXCheckBox"); | |
| 65 assert_equals(axButton.name, "Check Me"); | |
| 66 | |
| 67 assert_equals(aomButton.role, "checkbox"); | |
| 68 assert_equals(aomButton.label, "Check Me"); | |
| 69 }, "ARIA attributes are reflected into AOM properties"); | |
| 70 | |
| 71 test(function(t) { | |
| 72 var button = document.getElementById("button"); | |
| 73 var aomButton = button.accessibleNode; | |
| 74 var axButton = accessibilityController.accessibleElementById("button"); | |
| 75 | |
| 76 button.setAttribute("role", "beyonce"); | |
| 77 | |
| 78 assert_equals(axButton.role, "AXRole: AXButton"); | |
| 79 | |
| 80 assert_equals(aomButton.role, "beyonce"); | |
| 81 }, "Invalid ARIA roles are still reflected into AOM properties"); | |
| 82 | |
| 83 test(function(t) { | |
| 84 var button = document.getElementById("button"); | |
| 85 var aomButton = button.accessibleNode; | |
| 86 var axButton = accessibilityController.accessibleElementById("button"); | |
| 87 | |
| 88 aomButton.role = "slider"; | |
| 89 assert_equals(aomButton.role, "slider"); | |
| 90 assert_equals(axButton.role, "AXRole: AXSlider"); | |
| 91 }, "Test setting AccessibleNode.role"); | |
| 92 | |
| 93 test(function(t) { | |
| 94 var button = document.getElementById("button"); | |
| 95 var aomButton = button.accessibleNode; | |
| 96 var axButton = accessibilityController.accessibleElementById("button"); | |
| 97 | |
| 98 button.removeAttribute("role"); | |
| 99 aomButton.role = null; | |
| 100 assert_equals(aomButton.role, null); | |
| 101 assert_equals(axButton.role, "AXRole: AXButton"); | |
| 102 | |
| 103 aomButton.role = "doctor"; | |
| 104 assert_equals(aomButton.role, "doctor"); | |
| 105 assert_equals(axButton.role, "AXRole: AXButton"); | |
| 106 }, "An invalid role should be ignored if there's no ARIA."); | |
| 107 | |
| 108 test(function(t) { | |
| 109 var button = document.getElementById("button"); | |
| 110 var aomButton = button.accessibleNode; | |
| 111 var axButton = accessibilityController.accessibleElementById("button"); | |
| 112 | |
| 113 aomButton.role = "switch checkbox"; | |
| 114 assert_equals(aomButton.role, "switch checkbox"); | |
| 115 assert_equals(axButton.role, "AXRole: AXSwitch"); | |
| 116 | |
| 117 aomButton.role = "tickbox checkbox"; | |
| 118 assert_equals(aomButton.role, "tickbox checkbox"); | |
| 119 assert_equals(axButton.role, "AXRole: AXCheckBox"); | |
| 120 }, "Fallback roles are supported."); | |
| 121 | |
| 122 test(function(t) { | |
| 123 var button = document.getElementById("button"); | |
| 124 var aomButton = button.accessibleNode; | |
| 125 var axButton = accessibilityController.accessibleElementById("button"); | |
| 126 | |
| 127 button.removeAttribute("aria-label"); | |
| 128 aomButton.label = "New Label"; | |
| 129 assert_equals(aomButton.label, "New Label"); | |
| 130 assert_equals(axButton.name, "New Label"); | |
| 131 }, "Test setting AccessibleNode.label"); | |
| 132 </script> | |
| 133 | |
| 134 <button id="button2">Click Me</button> | |
| 135 | |
| 136 <script> | |
| 137 test(function(t) { | |
| 138 var button = document.getElementById("button2"); | |
| 139 var aomButton = button.accessibleNode; | |
| 140 var axButton = accessibilityController.accessibleElementById("button2"); | |
| 141 | |
| 142 button.setAttribute("role", "textbox"); | |
| 143 button.setAttribute("aria-label", "ARIA"); | |
| 144 assert_equals(axButton.role, "AXRole: AXTextField"); | |
| 145 assert_equals(axButton.name, "ARIA"); | |
| 146 | |
| 147 aomButton.role = "radio"; | |
| 148 aomButton.label = "AOM"; | |
| 149 assert_equals(axButton.role, "AXRole: AXRadioButton"); | |
| 150 assert_equals(axButton.name, "AOM"); | |
| 151 }, "Test that AOM properties override ARIA attributes"); | |
| 152 </script> | |
| 153 | |
| 154 <button id="button3">Click Me</button> | |
| 155 | |
| 156 <script> | |
| 157 test(function(t) { | |
| 158 var button = document.getElementById("button3"); | |
| 159 var aomButton = button.accessibleNode; | |
| 160 var axButton = accessibilityController.accessibleElementById("button3"); | |
| 161 assert_equals(axButton.role, "AXRole: AXButton"); | |
| 162 assert_equals(axButton.name, "Click Me"); | |
| 163 | |
| 164 button.setAttribute("role", "textbox"); | |
| 165 button.setAttribute("aria-label", "ARIA"); | |
| 166 assert_equals(axButton.role, "AXRole: AXTextField"); | |
| 167 assert_equals(axButton.name, "ARIA"); | |
| 168 | |
| 169 aomButton.role = "radio"; | |
| 170 aomButton.label = "AOM"; | |
| 171 assert_equals(axButton.role, "AXRole: AXRadioButton"); | |
| 172 assert_equals(axButton.name, "AOM"); | |
| 173 | |
| 174 aomButton.role = null; | |
| 175 aomButton.label = null; | |
| 176 assert_equals(axButton.role, "AXRole: AXButton"); | |
| 177 assert_equals(axButton.name, "Click Me"); | |
| 178 | |
| 179 button.setAttribute("role", "combobox"); | |
| 180 button.setAttribute("aria-label", "ARIA 2"); | |
| 181 assert_equals(axButton.role, "AXRole: AXButton"); | |
| 182 assert_equals(axButton.name, "Click Me"); | |
| 183 }, "Once an AOM property has been set, ARIA no longer has any effect"); | |
| 184 </script> | |
| 185 | |
| 186 <button id="button4">Click Me</button> | |
| 187 | |
| 188 <script> | |
| 189 test(function(t) { | |
| 190 var aomButton; | |
| 191 (function() { | |
| 192 var button = document.getElementById("button4"); | |
| 193 button.setAttribute("role", "checkbox"); | |
| 194 button.setAttribute("aria-label", "Check Me"); | |
| 195 aomButton = button.accessibleNode; | |
| 196 })(); | |
| 197 assert_equals(aomButton.role, "checkbox"); | |
| 198 assert_equals(aomButton.label, "Check Me"); | |
| 199 | |
| 200 (function() { | |
| 201 var button = document.getElementById("button4"); | |
| 202 button.parentElement.removeChild(button); | |
| 203 })(); | |
| 204 gc(); | |
| 205 | |
| 206 assert_equals(aomButton.role, null); | |
| 207 assert_equals(aomButton.label, null); | |
|
esprehn
2017/03/28 21:39:58
This is leaking gc behavior, the AOMObject needs t
dmazzoni
2017/03/29 07:00:42
Done.
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| 208 | |
| 209 aomButton.role = "checkbox"; | |
| 210 aomButton.label = "Check Me"; | |
| 211 | |
| 212 assert_equals(aomButton.role, null); | |
| 213 assert_equals(aomButton.label, null); | |
| 214 }, "No crash if AccessibleNode outlives its element."); | |
| 215 </script> | |
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