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-rw-r--r--accessible/tests/browser/states/browser.ini19
-rw-r--r--accessible/tests/browser/states/browser_test_link.js44
-rw-r--r--accessible/tests/browser/states/browser_test_select_visibility.js76
-rw-r--r--accessible/tests/browser/states/browser_test_visibility.js181
-rw-r--r--accessible/tests/browser/states/browser_test_visibility_2.js131
-rw-r--r--accessible/tests/browser/states/head.js91
6 files changed, 542 insertions, 0 deletions
diff --git a/accessible/tests/browser/states/browser.ini b/accessible/tests/browser/states/browser.ini
new file mode 100644
index 0000000000..f625d7aeb5
--- /dev/null
+++ b/accessible/tests/browser/states/browser.ini
@@ -0,0 +1,19 @@
+[DEFAULT]
+subsuite = a11y
+support-files =
+ head.js
+ !/accessible/tests/browser/shared-head.js
+ !/accessible/tests/mochitest/*.js
+ !/accessible/tests/browser/*.jsm
+prefs =
+ javascript.options.asyncstack_capture_debuggee_only=false
+
+[browser_test_link.js]
+https_first_disabled = true
+skip-if = verify
+[browser_test_select_visibility.js]
+https_first_disabled = true
+[browser_test_visibility.js]
+https_first_disabled = true
+[browser_test_visibility_2.js]
+https_first_disabled = true
diff --git a/accessible/tests/browser/states/browser_test_link.js b/accessible/tests/browser/states/browser_test_link.js
new file mode 100644
index 0000000000..0a3e8a9975
--- /dev/null
+++ b/accessible/tests/browser/states/browser_test_link.js
@@ -0,0 +1,44 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+async function runTests(browser, accDoc) {
+ let getAcc = id => findAccessibleChildByID(accDoc, id);
+
+ // a: no traversed state
+ testStates(getAcc("link_traversed"), 0, 0, STATE_TRAVERSED);
+
+ let onStateChanged = waitForEvent(EVENT_STATE_CHANGE, "link_traversed");
+ let newTabOpened = BrowserTestUtils.waitForNewTab(gBrowser);
+
+ await BrowserTestUtils.synthesizeMouse(
+ "#link_traversed",
+ 1,
+ 1,
+ { ctrlKey: !MAC, metaKey: MAC },
+ browser
+ );
+
+ await onStateChanged;
+ testStates(getAcc("link_traversed"), STATE_TRAVERSED);
+
+ let newTab = await newTabOpened;
+ gBrowser.removeTab(newTab);
+}
+
+/**
+ * Test caching of accessible object states
+ */
+addAccessibleTask(
+ // The URL doesn't really matter, just the fact that it isn't in the history
+ // initially. We append ms since epoch to the URL so it will never be visited
+ // initially, regardless of other tests (even this one) that ran before.
+ `
+ <a id="link_traversed"
+ href="https://www.example.com/${Date.now()}" target="_top">
+ example.com
+ </a>`,
+ runTests
+);
diff --git a/accessible/tests/browser/states/browser_test_select_visibility.js b/accessible/tests/browser/states/browser_test_select_visibility.js
new file mode 100644
index 0000000000..89b4df67f7
--- /dev/null
+++ b/accessible/tests/browser/states/browser_test_select_visibility.js
@@ -0,0 +1,76 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+// test selects and options
+addAccessibleTask(
+ `<select id="select">
+ <option id="o1">hello</option>
+ <option id="o2">world</option>
+ </select>`,
+ async function (browser, accDoc) {
+ const select = findAccessibleChildByID(accDoc, "select");
+ ok(
+ isAccessible(select.firstChild, [nsIAccessibleSelectable]),
+ "No selectable accessible for combobox"
+ );
+ await untilCacheOk(
+ () => testVisibility(select, false, false),
+ "select should be on screen and visible"
+ );
+
+ if (!browser.isRemoteBrowser) {
+ await untilCacheOk(
+ () => testVisibility(select.firstChild, false, true),
+ "combobox list should be on screen and invisible"
+ );
+ } else {
+ // XXX: When the cache is used, states::INVISIBLE is
+ // incorrect. Test OFFSCREEN anyway.
+ await untilCacheOk(() => {
+ const [states] = getStates(select.firstChild);
+ return (states & STATE_OFFSCREEN) == 0;
+ }, "combobox list should be on screen");
+ }
+
+ const o1 = findAccessibleChildByID(accDoc, "o1");
+ const o2 = findAccessibleChildByID(accDoc, "o2");
+
+ await untilCacheOk(
+ () => testVisibility(o1, false, false),
+ "option one should be on screen and visible"
+ );
+ await untilCacheOk(
+ () => testVisibility(o2, true, false),
+ "option two should be off screen and visible"
+ );
+
+ // Select the second option (drop-down collapsed).
+ const p = waitForEvents({
+ expected: [
+ [EVENT_SELECTION, "o2"],
+ [EVENT_TEXT_VALUE_CHANGE, "select"],
+ ],
+ unexpected: [
+ stateChangeEventArgs("o2", EXT_STATE_ACTIVE, true, true),
+ stateChangeEventArgs("o1", EXT_STATE_ACTIVE, false, true),
+ ],
+ });
+ await invokeContentTask(browser, [], () => {
+ content.document.getElementById("select").selectedIndex = 1;
+ });
+ await p;
+
+ await untilCacheOk(() => {
+ const [states] = getStates(o1);
+ return (states & STATE_OFFSCREEN) != 0;
+ }, "option 1 should be off screen");
+ await untilCacheOk(() => {
+ const [states] = getStates(o2);
+ return (states & STATE_OFFSCREEN) == 0;
+ }, "option 2 should be on screen");
+ },
+ { chrome: true, iframe: true, remoteIframe: true }
+);
diff --git a/accessible/tests/browser/states/browser_test_visibility.js b/accessible/tests/browser/states/browser_test_visibility.js
new file mode 100644
index 0000000000..25bd903ed4
--- /dev/null
+++ b/accessible/tests/browser/states/browser_test_visibility.js
@@ -0,0 +1,181 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+async function runTest(browser, accDoc) {
+ let getAcc = id => findAccessibleChildByID(accDoc, id);
+
+ await untilCacheOk(
+ () => testVisibility(getAcc("div"), false, false),
+ "Div should be on screen"
+ );
+
+ let input = getAcc("input_scrolledoff");
+ await untilCacheOk(
+ () => testVisibility(input, true, false),
+ "Input should be offscreen"
+ );
+
+ // scrolled off item (twice)
+ let lastLi = getAcc("li_last");
+ await untilCacheOk(
+ () => testVisibility(lastLi, true, false),
+ "Last list item should be offscreen"
+ );
+
+ // scroll into view the item
+ await invokeContentTask(browser, [], () => {
+ content.document.getElementById("li_last").scrollIntoView(true);
+ });
+ await untilCacheOk(
+ () => testVisibility(lastLi, false, false),
+ "Last list item should no longer be offscreen"
+ );
+
+ // first item is scrolled off now (testcase for bug 768786)
+ let firstLi = getAcc("li_first");
+ await untilCacheOk(
+ () => testVisibility(firstLi, true, false),
+ "First listitem should now be offscreen"
+ );
+
+ await untilCacheOk(
+ () => testVisibility(getAcc("frame"), false, false),
+ "iframe should initially be onscreen"
+ );
+
+ let loaded = waitForEvent(EVENT_DOCUMENT_LOAD_COMPLETE, "iframeDoc");
+ await invokeContentTask(browser, [], () => {
+ content.document.querySelector("iframe").src =
+ 'data:text/html,<body id="iframeDoc"><p id="p">hi</p></body>';
+ });
+
+ const iframeDoc = (await loaded).accessible;
+ await untilCacheOk(
+ () => testVisibility(getAcc("frame"), false, false),
+ "iframe outer doc should now be on screen"
+ );
+ await untilCacheOk(
+ () => testVisibility(iframeDoc, false, false),
+ "iframe inner doc should be on screen"
+ );
+ const iframeP = findAccessibleChildByID(iframeDoc, "p");
+ await untilCacheOk(
+ () => testVisibility(iframeP, false, false),
+ "iframe content should also be on screen"
+ );
+
+ // scroll into view the div
+ await invokeContentTask(browser, [], () => {
+ content.document.getElementById("div").scrollIntoView(true);
+ });
+
+ await untilCacheOk(
+ () => testVisibility(getAcc("frame"), true, false),
+ "iframe outer doc should now be off screen"
+ );
+ await untilCacheOk(
+ () => testVisibility(iframeDoc, true, false),
+ "iframe inner doc should now be off screen"
+ );
+ await untilCacheOk(
+ () => testVisibility(iframeP, true, false),
+ "iframe content should now be off screen"
+ );
+
+ let newTab = await BrowserTestUtils.openNewForegroundTab(gBrowser);
+ // Accessibles in background tab should have offscreen state and no
+ // invisible state.
+ await untilCacheOk(
+ () => testVisibility(getAcc("div"), true, false),
+ "Accs in background tab should be offscreen but not invisible."
+ );
+
+ await untilCacheOk(
+ () => testVisibility(getAcc("frame"), true, false),
+ "iframe outer doc should still be off screen"
+ );
+ await untilCacheOk(
+ () => testVisibility(iframeDoc, true, false),
+ "iframe inner doc should still be off screen"
+ );
+ await untilCacheOk(
+ () => testVisibility(iframeP, true, false),
+ "iframe content should still be off screen"
+ );
+
+ BrowserTestUtils.removeTab(newTab);
+}
+
+addAccessibleTask(
+ `
+ <div id="div" style="border:2px solid blue; width: 500px; height: 110vh;"></div>
+ <input id="input_scrolledoff">
+ <ul style="border:2px solid red; width: 100px; height: 50px; overflow: auto;">
+ <li id="li_first">item1</li><li>item2</li><li>item3</li>
+ <li>item4</li><li>item5</li><li id="li_last">item6</li>
+ </ul>
+ <iframe id="frame"></iframe>
+ `,
+ runTest,
+ { iframe: true, remoteIframe: true }
+);
+
+/**
+ * Test div containers are reported as onscreen, even if some of their contents are
+ * offscreen.
+ */
+addAccessibleTask(
+ `
+ <div id="outer" style="width:200vw; background: green; overflow:scroll;"><div id="inner"><div style="display:inline-block; width:100vw; background:red;" id="on">on screen</div><div style="background:blue; display:inline;" id="off">offscreen</div></div></div>
+ `,
+ async function (browser, accDoc) {
+ const outer = findAccessibleChildByID(accDoc, "outer");
+ const inner = findAccessibleChildByID(accDoc, "inner");
+ const on = findAccessibleChildByID(accDoc, "on");
+ const off = findAccessibleChildByID(accDoc, "off");
+
+ await untilCacheOk(
+ () => testVisibility(outer, false, false),
+ "outer should be on screen and visible"
+ );
+ await untilCacheOk(
+ () => testVisibility(inner, false, false),
+ "inner should be on screen and visible"
+ );
+ await untilCacheOk(
+ () => testVisibility(on, false, false),
+ "on should be on screen and visible"
+ );
+ await untilCacheOk(
+ () => testVisibility(off, true, false),
+ "off should be off screen and visible"
+ );
+ },
+ { chrome: true, iframe: true, remoteIframe: true }
+);
+
+// test dynamic translation
+addAccessibleTask(
+ `<div id="container" style="position: absolute; left: -300px; top: 100px;">Hello</div><button id="b" onclick="container.style.transform = 'translateX(400px)'">Move</button>`,
+ async function (browser, accDoc) {
+ const container = findAccessibleChildByID(accDoc, "container");
+ await untilCacheOk(
+ () => testVisibility(container, true, false),
+ "container should be off screen and visible"
+ );
+ await invokeContentTask(browser, [], () => {
+ let b = content.document.getElementById("b");
+ b.click();
+ });
+
+ await waitForContentPaint(browser);
+ await untilCacheOk(
+ () => testVisibility(container, false, false),
+ "container should be on screen and visible"
+ );
+ },
+ { chrome: true, iframe: true, remoteIframe: true }
+);
diff --git a/accessible/tests/browser/states/browser_test_visibility_2.js b/accessible/tests/browser/states/browser_test_visibility_2.js
new file mode 100644
index 0000000000..ead134069a
--- /dev/null
+++ b/accessible/tests/browser/states/browser_test_visibility_2.js
@@ -0,0 +1,131 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+/**
+ * Test tables, table rows are reported on screen, even if some cells of a given row are
+ * offscreen.
+ */
+addAccessibleTask(
+ `
+ <table id="table" style="width:150vw;" border><tr id="row"><td id="one" style="width:50vw;">one</td><td style="width:50vw;" id="two">two</td><td id="three">three</td></tr></table>
+ `,
+ async function (browser, accDoc) {
+ const table = findAccessibleChildByID(accDoc, "table");
+ const row = findAccessibleChildByID(accDoc, "row");
+ const one = findAccessibleChildByID(accDoc, "one");
+ const two = findAccessibleChildByID(accDoc, "two");
+ const three = findAccessibleChildByID(accDoc, "three");
+
+ await untilCacheOk(
+ () => testVisibility(table, false, false),
+ "table should be on screen and visible"
+ );
+ await untilCacheOk(
+ () => testVisibility(row, false, false),
+ "row should be on screen and visible"
+ );
+ await untilCacheOk(
+ () => testVisibility(one, false, false),
+ "one should be on screen and visible"
+ );
+ await untilCacheOk(
+ () => testVisibility(two, false, false),
+ "two should be on screen and visible"
+ );
+ await untilCacheOk(
+ () => testVisibility(three, true, false),
+ "three should be off screen and visible"
+ );
+ },
+ { chrome: true, iframe: true, remoteIframe: true }
+);
+
+/**
+ * Test rows and cells outside of the viewport are reported as offscreen.
+ */
+addAccessibleTask(
+ `
+ <table id="table" style="height:150vh;" border><tr style="height:100vh;" id="rowA"><td id="one">one</td></tr><tr id="rowB"><td id="two">two</td></tr></table>
+ `,
+ async function (browser, accDoc) {
+ const table = findAccessibleChildByID(accDoc, "table");
+ const rowA = findAccessibleChildByID(accDoc, "rowA");
+ const one = findAccessibleChildByID(accDoc, "one");
+ const rowB = findAccessibleChildByID(accDoc, "rowB");
+ const two = findAccessibleChildByID(accDoc, "two");
+
+ await untilCacheOk(
+ () => testVisibility(table, false, false),
+ "table should be on screen and visible"
+ );
+ await untilCacheOk(
+ () => testVisibility(rowA, false, false),
+ "rowA should be on screen and visible"
+ );
+ await untilCacheOk(
+ () => testVisibility(one, false, false),
+ "one should be on screen and visible"
+ );
+ await untilCacheOk(
+ () => testVisibility(rowB, true, false),
+ "rowB should be off screen and visible"
+ );
+ await untilCacheOk(
+ () => testVisibility(two, true, false),
+ "two should be off screen and visible"
+ );
+ },
+ { chrome: true, iframe: true, remoteIframe: true }
+);
+
+addAccessibleTask(
+ `
+ <div id="div">hello</div>
+ `,
+ async function (browser, accDoc) {
+ let textLeaf = findAccessibleChildByID(accDoc, "div").firstChild;
+ await untilCacheOk(
+ () => testVisibility(textLeaf, false, false),
+ "text should be on screen and visible"
+ );
+ let p = waitForEvent(EVENT_TEXT_INSERTED, "div");
+ await invokeContentTask(browser, [], () => {
+ content.document.getElementById("div").textContent = "goodbye";
+ });
+ await p;
+ textLeaf = findAccessibleChildByID(accDoc, "div").firstChild;
+ await untilCacheOk(
+ () => testVisibility(textLeaf, false, false),
+ "text should be on screen and visible"
+ );
+ },
+ { chrome: true, iframe: true, remoteIframe: true }
+);
+
+/**
+ * Overlapping, opaque divs with the same bounds should not be considered
+ * offscreen.
+ */
+addAccessibleTask(
+ `
+ <style>div { height: 5px; width: 5px; background: green; }</style>
+ <div id="outer" role="group"><div style="background:blue;" id="inner" role="group">hi</div></div>
+ `,
+ async function (browser, accDoc) {
+ const outer = findAccessibleChildByID(accDoc, "outer");
+ const inner = findAccessibleChildByID(accDoc, "inner");
+
+ await untilCacheOk(
+ () => testVisibility(outer, false, false),
+ "outer should be on screen and visible"
+ );
+ await untilCacheOk(
+ () => testVisibility(inner, false, false),
+ "inner should be on screen and visible"
+ );
+ },
+ { chrome: true, iframe: true, remoteIframe: true }
+);
diff --git a/accessible/tests/browser/states/head.js b/accessible/tests/browser/states/head.js
new file mode 100644
index 0000000000..10c616cb80
--- /dev/null
+++ b/accessible/tests/browser/states/head.js
@@ -0,0 +1,91 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+/* exported waitForIFrameA11yReady, waitForIFrameUpdates, spawnTestStates, testVisibility */
+
+// Load the shared-head file first.
+Services.scriptloader.loadSubScript(
+ "chrome://mochitests/content/browser/accessible/tests/browser/shared-head.js",
+ this
+);
+
+// Loading and common.js from accessible/tests/mochitest/ for all tests, as
+// well as promisified-events.js.
+/* import-globals-from ../../mochitest/states.js */
+/* import-globals-from ../../mochitest/role.js */
+loadScripts(
+ { name: "common.js", dir: MOCHITESTS_DIR },
+ { name: "promisified-events.js", dir: MOCHITESTS_DIR },
+ { name: "role.js", dir: MOCHITESTS_DIR },
+ { name: "states.js", dir: MOCHITESTS_DIR }
+);
+
+// This is another version of addA11yLoadEvent for fission.
+async function waitForIFrameA11yReady(iFrameBrowsingContext) {
+ await SimpleTest.promiseFocus(window);
+
+ await SpecialPowers.spawn(iFrameBrowsingContext, [], () => {
+ return new Promise(resolve => {
+ function waitForDocLoad() {
+ SpecialPowers.executeSoon(() => {
+ const acc = SpecialPowers.Cc[
+ "@mozilla.org/accessibilityService;1"
+ ].getService(SpecialPowers.Ci.nsIAccessibilityService);
+
+ const accDoc = acc.getAccessibleFor(content.document);
+ let state = {};
+ accDoc.getState(state, {});
+ if (state.value & SpecialPowers.Ci.nsIAccessibleStates.STATE_BUSY) {
+ SpecialPowers.executeSoon(waitForDocLoad);
+ return;
+ }
+ resolve();
+ }, 0);
+ }
+ waitForDocLoad();
+ });
+ });
+}
+
+// A utility function to make sure the information of scroll position or visible
+// area changes reach to out-of-process iframes.
+async function waitForIFrameUpdates() {
+ // Wait for two frames since the information is notified via asynchronous IPC
+ // calls.
+ await new Promise(resolve => requestAnimationFrame(resolve));
+ await new Promise(resolve => requestAnimationFrame(resolve));
+}
+
+// A utility function to test the state of |elementId| element in out-of-process
+// |browsingContext|.
+async function spawnTestStates(browsingContext, elementId, expectedStates) {
+ function testStates(id, expected, unexpected) {
+ const acc = SpecialPowers.Cc[
+ "@mozilla.org/accessibilityService;1"
+ ].getService(SpecialPowers.Ci.nsIAccessibilityService);
+ const target = content.document.getElementById(id);
+ let state = {};
+ acc.getAccessibleFor(target).getState(state, {});
+ if (expected === 0) {
+ Assert.equal(state.value, expected);
+ } else {
+ Assert.ok(state.value & expected);
+ }
+ Assert.ok(!(state.value & unexpected));
+ }
+ await SpecialPowers.spawn(
+ browsingContext,
+ [elementId, expectedStates],
+ testStates
+ );
+}
+
+function testVisibility(acc, shouldBeOffscreen, shouldBeInvisible) {
+ const [states] = getStates(acc);
+ let looksGood = shouldBeOffscreen == ((states & STATE_OFFSCREEN) != 0);
+ looksGood &= shouldBeInvisible == ((states & STATE_INVISIBLE) != 0);
+ return looksGood;
+}