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