Merging upstream version 127.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

13 files changed, 1091 insertions, 7 deletions

diff --git a/accessible/tests/browser/e10s/browser.toml b/accessible/tests/browser/e10s/browser.toml
index dff9b1c712..a4205d38e6 100644
--- a/accessible/tests/browser/e10s/browser.toml
+++ b/accessible/tests/browser/e10s/browser.toml
@@ -31,6 +31,7 @@ prefs = [
 ["browser_caching_description.js"]
 
 ["browser_caching_document_props.js"]
+https_first_disabled = true
 
 ["browser_caching_domnodeid.js"]
 
diff --git a/accessible/tests/browser/e10s/browser_caching_states.js b/accessible/tests/browser/e10s/browser_caching_states.js
index 7292228f25..6f674f8c48 100644
--- a/accessible/tests/browser/e10s/browser_caching_states.js
+++ b/accessible/tests/browser/e10s/browser_caching_states.js
@@ -425,6 +425,11 @@ addAccessibleTask(
 <div role="listbox" aria-multiselectable="true">
   <div id="multiNoSel" role="option" tabindex="0">multiNoSel</div>
 </div>
+<div role="grid">
+  <div role="row">
+    <div id="gridcell" role="gridcell" tabindex="0">gridcell</div>
+  </div>
+</div>
   `,
   async function (browser, docAcc) {
     const noSel = findAccessibleChildByID(docAcc, "noSel");
@@ -450,6 +455,14 @@ addAccessibleTask(
     multiNoSel.takeFocus();
     await focused;
     testStates(multiNoSel, STATE_FOCUSED, 0, STATE_SELECTED, 0);
+
+    const gridcell = findAccessibleChildByID(docAcc, "gridcell");
+    testStates(gridcell, 0, 0, STATE_FOCUSED | STATE_SELECTED, 0);
+    info("Focusing gridcell");
+    focused = waitForEvent(EVENT_FOCUS, gridcell);
+    gridcell.takeFocus();
+    await focused;
+    testStates(gridcell, STATE_FOCUSED, 0, STATE_SELECTED, 0);
   },
   { topLevel: true, iframe: true, remoteIframe: true, chrome: true }
 );
diff --git a/accessible/tests/browser/e10s/head.js b/accessible/tests/browser/e10s/head.js
index bdbcb7445f..e72af914d4 100644
--- a/accessible/tests/browser/e10s/head.js
+++ b/accessible/tests/browser/e10s/head.js
@@ -170,6 +170,11 @@ async function testRelated(
       expected: [null, host, dependant2],
     },
     {
+      desc: "Change attribute to multiple targets",
+      attrs: [{ key: attr, value: "dependant1 dependant2" }],
+      expected: [host, host, [dependant1, dependant2]],
+    },
+    {
       desc: "Remove attribute",
       attrs: [{ key: attr }],
       expected: [null, null, null],
diff --git a/accessible/tests/browser/mac/browser_range.js b/accessible/tests/browser/mac/browser_range.js
index 430e41d6ea..8a5bafba50 100644
--- a/accessible/tests/browser/mac/browser_range.js
+++ b/accessible/tests/browser/mac/browser_range.js
@@ -188,3 +188,57 @@ addAccessibleTask(
     is(slider.getAttributeValue("AXMaxValue"), 5, "Correct max value");
   }
 );
+
+/**
+ * Verify progress HTML elements expose their min, max, and value to VO.
+ * Progress elements should not expose a value description, and should not
+ * expose increment/decrement actions.
+ */
+addAccessibleTask(
+  `<progress id="progress" value="70" max="100"></progress>`,
+  async (browser, accDoc) => {
+    const progress = getNativeInterface(accDoc, "progress");
+    is(progress.getAttributeValue("AXValue"), 70, "Correct value");
+    is(progress.getAttributeValue("AXMaxValue"), 100, "Correct max value");
+    is(progress.getAttributeValue("AXMinValue"), 0, "Correct min value");
+    is(
+      progress.getAttributeValue("AXValueDescription"),
+      null,
+      "Progress elements should not expose a value description"
+    );
+    for (let action of progress.actionNames) {
+      isnot(
+        action,
+        "AXIncrement",
+        "Progress elements should not expose increment action"
+      );
+      isnot(
+        action,
+        "AXDecrement",
+        "Progress elements should not expose decrement action"
+      );
+    }
+  }
+);
+
+/**
+ * Verify progress HTML elements expose changes to their value.
+ */
+addAccessibleTask(
+  `<progress id="progress" value="70" max="100"></progress>`,
+  async (browser, accDoc) => {
+    const progress = getNativeInterface(accDoc, "progress");
+    is(progress.getAttributeValue("AXValue"), 70, "Correct value");
+    is(progress.getAttributeValue("AXMaxValue"), 100, "Correct max value");
+    is(progress.getAttributeValue("AXMinValue"), 0, "Correct min value");
+
+    const evt = waitForMacEvent("AXValueChanged");
+    await invokeContentTask(browser, [], () => {
+      const p = content.document.getElementById("progress");
+      p.setAttribute("value", "90");
+    });
+    await evt;
+
+    is(progress.getAttributeValue("AXValue"), 90, "Correct updated value");
+  }
+);
diff --git a/accessible/tests/browser/python_runner_wsh.py b/accessible/tests/browser/python_runner_wsh.py
index 488051240f..2686967cfb 100644
--- a/accessible/tests/browser/python_runner_wsh.py
+++ b/accessible/tests/browser/python_runner_wsh.py
@@ -9,6 +9,7 @@ It is intended to be called from JS browser tests.
 """
 
 import json
+import math
 import os
 import sys
 import traceback
@@ -83,6 +84,9 @@ def web_socket_transfer_data(request):
             exec(code, namespace)
             # Run the function we just defined.
             ret = namespace["run"]()
+            if isinstance(ret, float) and math.isnan(ret):
+                # NaN can't be serialized by JSON.
+                ret = None
             send("return", ret)
         except Exception:
             send("exception", traceback.format_exc())
diff --git a/accessible/tests/browser/selectable/browser_test_aria_select.js b/accessible/tests/browser/selectable/browser_test_aria_select.js
index dbc36956f8..2c3a80586e 100644
--- a/accessible/tests/browser/selectable/browser_test_aria_select.js
+++ b/accessible/tests/browser/selectable/browser_test_aria_select.js
@@ -117,7 +117,8 @@ addAccessibleTask(
 // ////////////////////////////////////////////////////////////////////////
 // role="grid" aria-multiselectable, selectable children in subtree
 addAccessibleTask(
-  `<table tabindex="0" border="2" cellspacing="0" id="grid" role="grid"
+  `
+  <table tabindex="0" border="2" cellspacing="0" id="grid" role="grid"
       aria-multiselectable="true">
     <thead>
       <tr>
@@ -133,19 +134,29 @@ addAccessibleTask(
       <tr>
         <td tabindex="-1" role="rowheader" id="grid_rowhead"
             aria-readonly="true">1</td>
-        <td tabindex="-1" role="gridcell" id="grid_cell1"
+        <td tabindex="-1" id="grid_cell1"
             aria-selected="true">03/14/05</td>
-        <td tabindex="-1" role="gridcell" id="grid_cell2"
+        <td tabindex="-1" id="grid_cell2"
             aria-selected="false">Conference Fee</td>
       </tr>
-    </tobdy>
-  </table>`,
+    </tbody>
+  </table>
+  <table id="table">
+    <tr><th>a</th><td id="tableB" aria-selected="true">b</td></tr>
+  </table>
+  `,
   async function (browser, docAcc) {
     info('role="grid" aria-multiselectable, selectable children in subtree');
-    let grid = findAccessibleChildByID(docAcc, "grid", [
+    const grid = findAccessibleChildByID(docAcc, "grid", [
       nsIAccessibleSelectable,
     ]);
+    // grid_cell1 is a <td> with an implicit role of gridcell.
     testSelectableSelection(grid, ["grid_colhead1", "grid_cell1"]);
+    info("Verify aria-selected doesn't apply to <td> that isn't gridcell");
+    // We can't use testSelectableSelection here because table (rightly) isn't a
+    // selectable container.
+    const tableB = findAccessibleChildByID(docAcc, "tableB");
+    testStates(tableB, 0, 0, STATE_SELECTED, 0);
   },
   {
     chrome: true,
diff --git a/accessible/tests/browser/windows/uia/browser.toml b/accessible/tests/browser/windows/uia/browser.toml
index 75728f56d7..13b1c12cc0 100644
--- a/accessible/tests/browser/windows/uia/browser.toml
+++ b/accessible/tests/browser/windows/uia/browser.toml
@@ -11,8 +11,15 @@ support-files = ["head.js"]
 ["browser_elementFromPoint.js"]
 
 ["browser_focus.js"]
+
 ["browser_generalProps.js"]
 
+["browser_gridPatterns.js"]
+
+["browser_relationProps.js"]
+
+["browser_selectionPatterns.js"]
+
 ["browser_simplePatterns.js"]
 
 ["browser_tree.js"]
diff --git a/accessible/tests/browser/windows/uia/browser_generalProps.js b/accessible/tests/browser/windows/uia/browser_generalProps.js
index 5cfda226d0..244c9e4b1b 100644
--- a/accessible/tests/browser/windows/uia/browser_generalProps.js
+++ b/accessible/tests/browser/windows/uia/browser_generalProps.js
@@ -4,6 +4,12 @@
 
 "use strict";
 
+/* eslint-disable camelcase */
+// From https://learn.microsoft.com/en-us/windows/win32/winauto/landmark-type-identifiers
+const UIA_CustomLandmarkTypeId = 80000;
+const UIA_MainLandmarkTypeId = 80002;
+/* eslint-enable camelcase */
+
 /**
  * Test the Name property.
  */
@@ -103,3 +109,347 @@ addUiaTask(
     ok(await runPython(`p.CurrentIsEnabled`), "p has IsEnabled true");
   }
 );
+
+async function testGroupPos(id, level, pos, size) {
+  await assignPyVarToUiaWithId(id);
+  is(await runPython(`${id}.CurrentLevel`), level, `${id} Level correct`);
+  is(
+    await runPython(`${id}.CurrentPositionInSet`),
+    pos,
+    `${id} PositionInSet correct`
+  );
+  is(
+    await runPython(`${id}.CurrentSizeOfSet`),
+    size,
+    `${id} SizeOfSet correct`
+  );
+}
+
+/**
+ * Test the Level, PositionInSet and SizeOfSet properties.
+ */
+addUiaTask(
+  `
+<ul>
+  <li id="li1">li1<ul id="ul1">
+    <li id="li2a">li2a</li>
+    <li id="li2b" hidden>li2b</li>
+    <li id="li2c">li2c</li>
+  </ul></li>
+</ul>
+<h2 id="h2">h2</h2>
+<button id="button">button</button>
+  `,
+  async function testGroupPosProps(browser) {
+    await definePyVar("doc", `getDocUia()`);
+    await testGroupPos("li1", 1, 1, 1);
+    await testGroupPos("li2a", 2, 1, 2);
+    await testGroupPos("li2c", 2, 2, 2);
+    info("Showing li2b");
+    // There aren't events in any API for a change to group position properties
+    // because this would be too spammy and isn't particularly useful given
+    // how frequently these can change.
+    let shown = waitForEvent(EVENT_SHOW, "li2b");
+    await invokeContentTask(browser, [], () => {
+      content.document.getElementById("li2b").hidden = false;
+    });
+    await shown;
+    await testGroupPos("li2a", 2, 1, 3);
+    await testGroupPos("li2b", 2, 2, 3);
+    await testGroupPos("li2c", 2, 3, 3);
+
+    // The IA2 -> UIA proxy doesn't map heading level to the Level property.
+    if (gIsUiaEnabled) {
+      await testGroupPos("h2", 2, 0, 0);
+    }
+    await testGroupPos("button", 0, 0, 0);
+  }
+);
+
+/**
+ * Test the FrameworkId property.
+ */
+addUiaTask(
+  `<button id="button">button</button>`,
+  async function testFrameworkId() {
+    await definePyVar("doc", `getDocUia()`);
+    is(
+      await runPython(`doc.CurrentFrameworkId`),
+      "Gecko",
+      "doc FrameworkId is correct"
+    );
+    await assignPyVarToUiaWithId("button");
+    is(
+      await runPython(`button.CurrentFrameworkId`),
+      "Gecko",
+      "button FrameworkId is correct"
+    );
+  }
+);
+
+/**
+ * Test the ClassName property.
+ */
+addUiaTask(
+  `
+<p id="p">p</p>
+<button id="button" class="c1">button</button>
+  `,
+  async function testClassName(browser, docAcc) {
+    await definePyVar("doc", `getDocUia()`);
+    await assignPyVarToUiaWithId("p");
+    ok(!(await runPython(`p.CurrentClassName`)), "p has no ClassName");
+
+    await assignPyVarToUiaWithId("button");
+    is(
+      await runPython(`button.CurrentClassName`),
+      "c1",
+      "button has correct ClassName"
+    );
+    info("Changing button class");
+    await invokeSetAttribute(browser, "button", "class", "c2 c3");
+    // Gecko doesn't fire an event for class changes, as this isn't useful for
+    // clients.
+    const button = findAccessibleChildByID(docAcc, "button");
+    await untilCacheIs(
+      () => button.attributes.getStringProperty("class"),
+      "c2 c3",
+      "button class updated"
+    );
+    is(
+      await runPython(`button.CurrentClassName`),
+      "c2 c3",
+      "button has correct ClassName"
+    );
+  },
+  // The IA2 -> UIA proxy doesn't support ClassName.
+  { uiaEnabled: true, uiaDisabled: false }
+);
+
+/**
+ * Test the AriaRole property.
+ */
+addUiaTask(
+  `
+<div id="button" role="button">button</div>
+<div id="main" role="main">main</div>
+<div id="unknown" role="unknown">unknown</div>
+<button id="computedButton">computedButton</button>
+<h1 id="computedHeading">computedHeading</h1>
+<main id="computedMain">computedMain</main>
+<div id="generic">generic</div>
+  `,
+  async function testAriaRole() {
+    await definePyVar("doc", `getDocUia()`);
+    is(
+      await runPython(`findUiaByDomId(doc, "button").CurrentAriaRole`),
+      "button",
+      "button has correct AriaRole"
+    );
+    is(
+      await runPython(`findUiaByDomId(doc, "main").CurrentAriaRole`),
+      "main",
+      "main has correct AriaRole"
+    );
+    is(
+      await runPython(`findUiaByDomId(doc, "unknown").CurrentAriaRole`),
+      "unknown",
+      "unknown has correct AriaRole"
+    );
+    // The IA2 -> UIA proxy doesn't compute ARIA roles.
+    if (gIsUiaEnabled) {
+      is(
+        await runPython(
+          `findUiaByDomId(doc, "computedButton").CurrentAriaRole`
+        ),
+        "button",
+        "computedButton has correct AriaRole"
+      );
+      is(
+        await runPython(`findUiaByDomId(doc, "computedMain").CurrentAriaRole`),
+        "main",
+        "computedMain has correct AriaRole"
+      );
+      is(
+        await runPython(
+          `findUiaByDomId(doc, "computedHeading").CurrentAriaRole`
+        ),
+        "heading",
+        "computedHeading has correct AriaRole"
+      );
+      is(
+        await runPython(`findUiaByDomId(doc, "generic").CurrentAriaRole`),
+        "generic",
+        "generic has correct AriaRole"
+      );
+    }
+  }
+);
+
+/**
+ * Test the LocalizedControlType property. We don't support this ourselves, but
+ * the system provides it based on ControlType and AriaRole.
+ */
+addUiaTask(
+  `
+<button id="button">button</button>
+<h1 id="h1">h1</h1>
+<main id="main">main</main>
+  `,
+  async function testLocalizedControlType() {
+    await definePyVar("doc", `getDocUia()`);
+    is(
+      await runPython(
+        `findUiaByDomId(doc, "button").CurrentLocalizedControlType`
+      ),
+      "button",
+      "button has correct LocalizedControlType"
+    );
+    // The IA2 -> UIA proxy doesn't compute ARIA roles, so it can't compute the
+    // correct LocalizedControlType for these either.
+    if (gIsUiaEnabled) {
+      is(
+        await runPython(
+          `findUiaByDomId(doc, "h1").CurrentLocalizedControlType`
+        ),
+        "heading",
+        "h1 has correct LocalizedControlType"
+      );
+      is(
+        await runPython(
+          `findUiaByDomId(doc, "main").CurrentLocalizedControlType`
+        ),
+        "main",
+        "main has correct LocalizedControlType"
+      );
+    }
+  }
+);
+
+/**
+ * Test the LandmarkType property.
+ */
+addUiaTask(
+  `
+<div id="main" role="main">main</div>
+<main id="htmlMain">htmlMain</main>
+<div id="banner" role="banner">banner</div>
+<header id="header">header</header>
+<div id="region" role="region" aria-label="region">region</div>
+<div id="unnamedRegion" role="region">unnamedRegion</div>
+<main id="mainBanner" role="banner">mainBanner</main>
+<div id="none">none</div>
+  `,
+  async function testLandmarkType() {
+    await definePyVar("doc", `getDocUia()`);
+    is(
+      await runPython(`findUiaByDomId(doc, "main").CurrentLandmarkType`),
+      UIA_MainLandmarkTypeId,
+      "main has correct LandmarkType"
+    );
+    is(
+      await runPython(`findUiaByDomId(doc, "htmlMain").CurrentLandmarkType`),
+      UIA_MainLandmarkTypeId,
+      "htmlMain has correct LandmarkType"
+    );
+    is(
+      await runPython(`findUiaByDomId(doc, "banner").CurrentLandmarkType`),
+      UIA_CustomLandmarkTypeId,
+      "banner has correct LandmarkType"
+    );
+    is(
+      await runPython(`findUiaByDomId(doc, "header").CurrentLandmarkType`),
+      UIA_CustomLandmarkTypeId,
+      "header has correct LandmarkType"
+    );
+    is(
+      await runPython(`findUiaByDomId(doc, "region").CurrentLandmarkType`),
+      UIA_CustomLandmarkTypeId,
+      "region has correct LandmarkType"
+    );
+    is(
+      await runPython(
+        `findUiaByDomId(doc, "unnamedRegion").CurrentLandmarkType`
+      ),
+      0,
+      "unnamedRegion has correct LandmarkType"
+    );
+    // ARIA role takes precedence.
+    is(
+      await runPython(`findUiaByDomId(doc, "mainBanner").CurrentLandmarkType`),
+      UIA_CustomLandmarkTypeId,
+      "mainBanner has correct LandmarkType"
+    );
+    is(
+      await runPython(`findUiaByDomId(doc, "none").CurrentLandmarkType`),
+      0,
+      "none has correct LandmarkType"
+    );
+  }
+);
+
+/**
+ * Test the LocalizedLandmarkType property.
+ */
+addUiaTask(
+  `
+<div id="main" role="main">main</div>
+<div id="contentinfo" role="contentinfo">contentinfo</div>
+<div id="region" role="region" aria-label="region">region</div>
+<div id="unnamedRegion" role="region">unnamedRegion</div>
+<main id="mainBanner" role="banner">mainBanner</main>
+<div id="none">none</div>
+  `,
+  async function testLocalizedLandmarkType() {
+    await definePyVar("doc", `getDocUia()`);
+    // Provided by the system.
+    is(
+      await runPython(
+        `findUiaByDomId(doc, "main").CurrentLocalizedLandmarkType`
+      ),
+      "main",
+      "main has correct LocalizedLandmarkType"
+    );
+    // The IA2 -> UIA proxy doesn't follow the Core AAM spec for this role.
+    if (gIsUiaEnabled) {
+      // Provided by us.
+      is(
+        await runPython(
+          `findUiaByDomId(doc, "contentinfo").CurrentLocalizedLandmarkType`
+        ),
+        "content information",
+        "contentinfo has correct LocalizedLandmarkType"
+      );
+    }
+    is(
+      await runPython(
+        `findUiaByDomId(doc, "region").CurrentLocalizedLandmarkType`
+      ),
+      "region",
+      "region has correct LocalizedLandmarkType"
+    );
+    // Invalid landmark.
+    is(
+      await runPython(
+        `findUiaByDomId(doc, "unnamedRegion").CurrentLocalizedLandmarkType`
+      ),
+      "",
+      "unnamedRegion has correct LocalizedLandmarkType"
+    );
+    // ARIA role takes precedence.
+    is(
+      await runPython(
+        `findUiaByDomId(doc, "mainBanner").CurrentLocalizedLandmarkType`
+      ),
+      "banner",
+      "mainBanner has correct LocalizedLandmarkType"
+    );
+    is(
+      await runPython(
+        `findUiaByDomId(doc, "none").CurrentLocalizedLandmarkType`
+      ),
+      "",
+      "none has correct LocalizedLandmarkType"
+    );
+  }
+);
diff --git a/accessible/tests/browser/windows/uia/browser_gridPatterns.js b/accessible/tests/browser/windows/uia/browser_gridPatterns.js
new file mode 100644
index 0000000000..24c80a6340
--- /dev/null
+++ b/accessible/tests/browser/windows/uia/browser_gridPatterns.js
@@ -0,0 +1,161 @@
+/* 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";
+
+/* eslint-disable camelcase */
+const RowOrColumnMajor_RowMajor = 0;
+/* eslint-enable camelcase */
+
+const SNIPPET = `
+<table id="table">
+  <tr><th id="a">a</th><th id="b">b</th><th id="c">c</th></tr>
+  <tr><th id="dg" rowspan="2">dg</th><td id="ef" colspan="2" headers="b c">ef</td></tr>
+  <tr><th id="h">h</th><td id="i" headers="dg h">i</td></tr>
+  <tr><td id="jkl" colspan="3" headers="a b c">jkl</td></tr>
+</table>
+<button id="button">button</button>
+`;
+
+async function testGridGetItem(row, col, cellId) {
+  is(
+    await runPython(`pattern.GetItem(${row}, ${col}).CurrentAutomationId`),
+    cellId,
+    `GetItem with row ${row} and col ${col} returned ${cellId}`
+  );
+}
+
+async function testGridItemProps(id, row, col, rowSpan, colSpan, gridId) {
+  await assignPyVarToUiaWithId(id);
+  await definePyVar("pattern", `getUiaPattern(${id}, "GridItem")`);
+  ok(await runPython(`bool(pattern)`), `${id} has GridItem pattern`);
+  is(await runPython(`pattern.CurrentRow`), row, `${id} has correct Row`);
+  is(await runPython(`pattern.CurrentColumn`), col, `${id} has correct Column`);
+  is(
+    await runPython(`pattern.CurrentRowSpan`),
+    rowSpan,
+    `${id} has correct RowSpan`
+  );
+  is(
+    await runPython(`pattern.CurrentColumnSpan`),
+    colSpan,
+    `${id} has correct ColumnSpan`
+  );
+  is(
+    await runPython(`pattern.CurrentContainingGrid.CurrentAutomationId`),
+    gridId,
+    `${id} ContainingGridItem is ${gridId}`
+  );
+}
+
+async function testTableItemProps(id, rowHeaders, colHeaders) {
+  await assignPyVarToUiaWithId(id);
+  await definePyVar("pattern", `getUiaPattern(${id}, "TableItem")`);
+  ok(await runPython(`bool(pattern)`), `${id} has TableItem pattern`);
+  await isUiaElementArray(
+    `pattern.GetCurrentRowHeaderItems()`,
+    rowHeaders,
+    `${id} has correct RowHeaderItems`
+  );
+  await isUiaElementArray(
+    `pattern.GetCurrentColumnHeaderItems()`,
+    colHeaders,
+    `${id} has correct ColumnHeaderItems`
+  );
+}
+
+/**
+ * Test the Grid pattern.
+ */
+addUiaTask(SNIPPET, async function testGrid() {
+  await definePyVar("doc", `getDocUia()`);
+  await assignPyVarToUiaWithId("table");
+  await definePyVar("pattern", `getUiaPattern(table, "Grid")`);
+  ok(await runPython(`bool(pattern)`), "table has Grid pattern");
+  is(
+    await runPython(`pattern.CurrentRowCount`),
+    4,
+    "table has correct RowCount"
+  );
+  is(
+    await runPython(`pattern.CurrentColumnCount`),
+    3,
+    "table has correct ColumnCount"
+  );
+  await testGridGetItem(0, 0, "a");
+  await testGridGetItem(0, 1, "b");
+  await testGridGetItem(0, 2, "c");
+  await testGridGetItem(1, 0, "dg");
+  await testGridGetItem(1, 1, "ef");
+  await testGridGetItem(1, 2, "ef");
+  await testGridGetItem(2, 0, "dg");
+  await testGridGetItem(2, 1, "h");
+  await testGridGetItem(2, 2, "i");
+
+  await testPatternAbsent("button", "Grid");
+});
+
+/**
+ * Test the GridItem pattern.
+ */
+addUiaTask(SNIPPET, async function testGridItem() {
+  await definePyVar("doc", `getDocUia()`);
+  await testGridItemProps("a", 0, 0, 1, 1, "table");
+  await testGridItemProps("b", 0, 1, 1, 1, "table");
+  await testGridItemProps("c", 0, 2, 1, 1, "table");
+  await testGridItemProps("dg", 1, 0, 2, 1, "table");
+  await testGridItemProps("ef", 1, 1, 1, 2, "table");
+  await testGridItemProps("jkl", 3, 0, 1, 3, "table");
+
+  await testPatternAbsent("button", "GridItem");
+});
+
+/**
+ * Test the Table pattern.
+ */
+addUiaTask(
+  SNIPPET,
+  async function testTable() {
+    await definePyVar("doc", `getDocUia()`);
+    await assignPyVarToUiaWithId("table");
+    await definePyVar("pattern", `getUiaPattern(table, "Table")`);
+    ok(await runPython(`bool(pattern)`), "table has Table pattern");
+    await isUiaElementArray(
+      `pattern.GetCurrentRowHeaders()`,
+      ["dg", "h"],
+      "table has correct RowHeaders"
+    );
+    await isUiaElementArray(
+      `pattern.GetCurrentColumnHeaders()`,
+      ["a", "b", "c"],
+      "table has correct ColumnHeaders"
+    );
+    is(
+      await runPython(`pattern.CurrentRowOrColumnMajor`),
+      RowOrColumnMajor_RowMajor,
+      "table has correct RowOrColumnMajor"
+    );
+
+    await testPatternAbsent("button", "Table");
+  },
+  // The IA2 -> UIA proxy doesn't support the Row/ColumnHeaders properties.
+  { uiaEnabled: true, uiaDisabled: false }
+);
+
+/**
+ * Test the TableItem pattern.
+ */
+addUiaTask(SNIPPET, async function testTableItem() {
+  await definePyVar("doc", `getDocUia()`);
+  await testTableItemProps("a", [], []);
+  await testTableItemProps("b", [], []);
+  await testTableItemProps("c", [], []);
+  await testTableItemProps("dg", [], ["a"]);
+  await testTableItemProps("ef", ["dg"], ["b", "c"]);
+  await testTableItemProps("h", ["dg"], ["b"]);
+  await testTableItemProps("i", ["dg", "h"], ["c"]);
+  await testTableItemProps("jkl", [], ["a", "b", "c"]);
+
+  await testPatternAbsent("button", "TableItem");
+});
diff --git a/accessible/tests/browser/windows/uia/browser_relationProps.js b/accessible/tests/browser/windows/uia/browser_relationProps.js
new file mode 100644
index 0000000000..ff4059f99e
--- /dev/null
+++ b/accessible/tests/browser/windows/uia/browser_relationProps.js
@@ -0,0 +1,143 @@
+/* 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";
+
+function testUiaRelationArray(id, prop, targets) {
+  return isUiaElementArray(
+    `findUiaByDomId(doc, "${id}").Current${prop}`,
+    targets,
+    `${id} has correct ${prop} targets`
+  );
+}
+
+/**
+ * Test the ControllerFor property.
+ */
+addUiaTask(
+  `
+<input id="controls" aria-controls="t1 t2">
+<input id="error" aria-errormessage="t3 t4" aria-invalid="true">
+<input id="controlsError" aria-controls="t1 t2" aria-errormessage="t3 t4" aria-invalid="true">
+<div id="t1">t1</div>
+<div id="t2">t2</div>
+<div id="t3">t3</div>
+<div id="t4">t4</div>
+<button id="none">none</button>
+  `,
+  async function testControllerFor() {
+    await definePyVar("doc", `getDocUia()`);
+    await testUiaRelationArray("controls", "ControllerFor", ["t1", "t2"]);
+    // The IA2 -> UIA proxy doesn't support IA2_RELATION_ERROR.
+    if (gIsUiaEnabled) {
+      await testUiaRelationArray("error", "ControllerFor", ["t3", "t4"]);
+      await testUiaRelationArray("controlsError", "ControllerFor", [
+        "t1",
+        "t2",
+        "t3",
+        "t4",
+      ]);
+    }
+    await testUiaRelationArray("none", "ControllerFor", []);
+  }
+);
+
+/**
+ * Test the DescribedBy property.
+ */
+addUiaTask(
+  `
+<input id="describedby" aria-describedby="t1 t2">
+<input id="details" aria-details="t3 t4">
+<input id="describedbyDetails" aria-describedby="t1 t2" aria-details="t3 t4" aria-invalid="true">
+<div id="t1">t1</div>
+<div id="t2">t2</div>
+<div id="t3">t3</div>
+<div id="t4">t4</div>
+<button id="none">none</button>
+  `,
+  async function testDescribedBy() {
+    await definePyVar("doc", `getDocUia()`);
+    await testUiaRelationArray("describedby", "DescribedBy", ["t1", "t2"]);
+    // The IA2 -> UIA proxy doesn't support IA2_RELATION_DETAILS.
+    if (gIsUiaEnabled) {
+      await testUiaRelationArray("details", "DescribedBy", ["t3", "t4"]);
+      await testUiaRelationArray("describedbyDetails", "DescribedBy", [
+        "t1",
+        "t2",
+        "t3",
+        "t4",
+      ]);
+    }
+    await testUiaRelationArray("none", "DescribedBy", []);
+  }
+);
+
+/**
+ * Test the FlowsFrom and FlowsTo properties.
+ */
+addUiaTask(
+  `
+<div id="t1" aria-flowto="t2">t1</div>
+<div id="t2">t2</div>
+<button id="none">none</button>
+  `,
+  async function testFlows() {
+    await definePyVar("doc", `getDocUia()`);
+    await testUiaRelationArray("t1", "FlowsTo", ["t2"]);
+    await testUiaRelationArray("t2", "FlowsFrom", ["t1"]);
+    await testUiaRelationArray("none", "FlowsFrom", []);
+    await testUiaRelationArray("none", "FlowsTo", []);
+  }
+);
+
+/**
+ * Test the LabeledBy property.
+ */
+addUiaTask(
+  `
+<label id="label">label</label>
+<input id="input" aria-labelledby="label">
+<label id="wrappingLabel">
+  <input id="wrappedInput" value="wrappedInput">
+  <p id="wrappingLabelP">wrappingLabel</p>
+</label>
+<button id="button" aria-labelledby="label">content</button>
+<button id="noLabel">noLabel</button>
+  `,
+  async function testLabeledBy() {
+    await definePyVar("doc", `getDocUia()`);
+    // input's LabeledBy should be label's text leaf.
+    let result = await runPython(`
+      input = findUiaByDomId(doc, "input")
+      label = findUiaByDomId(doc, "label")
+      labelLeaf = uiaClient.RawViewWalker.GetFirstChildElement(label)
+      return uiaClient.CompareElements(input.CurrentLabeledBy, labelLeaf)
+    `);
+    ok(result, "input has correct LabeledBy");
+    // wrappedInput's LabeledBy should be wrappingLabelP's text leaf.
+    result = await runPython(`
+      wrappedInput = findUiaByDomId(doc, "wrappedInput")
+      wrappingLabelP = findUiaByDomId(doc, "wrappingLabelP")
+      wrappingLabelLeaf = uiaClient.RawViewWalker.GetFirstChildElement(wrappingLabelP)
+      return uiaClient.CompareElements(wrappedInput.CurrentLabeledBy, wrappingLabelLeaf)
+    `);
+    ok(result, "wrappedInput has correct LabeledBy");
+    // button has aria-labelledby, but UIA prohibits LabeledBy on buttons.
+    ok(
+      !(await runPython(
+        `bool(findUiaByDomId(doc, "button").CurrentLabeledBy)`
+      )),
+      "button has no LabeledBy"
+    );
+    ok(
+      !(await runPython(
+        `bool(findUiaByDomId(doc, "noLabel").CurrentLabeledBy)`
+      )),
+      "noLabel has no LabeledBy"
+    );
+  },
+  // The IA2 -> UIA proxy doesn't expose LabeledBy properly.
+  { uiaEnabled: true, uiaDisabled: false }
+);
diff --git a/accessible/tests/browser/windows/uia/browser_selectionPatterns.js b/accessible/tests/browser/windows/uia/browser_selectionPatterns.js
new file mode 100644
index 0000000000..a1f70b886a
--- /dev/null
+++ b/accessible/tests/browser/windows/uia/browser_selectionPatterns.js
@@ -0,0 +1,226 @@
+/* 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";
+
+const SNIPPET = `
+<select id="selectList" size="2">
+  <option id="sl1" selected>sl1</option>
+  <option id="sl2">sl2</option>
+</select>
+<select id="selectRequired" size="2" required>
+  <option id="sr1">sr1</option>
+</select>
+<select id="selectMulti" size="2" multiple>
+  <option id="sm1" selected>sm1</option>
+  <option id="sm2">sm2</option>
+  <option id="sm3" selected>sm3</option>
+  <option id="sm4">sm4</option>
+  <option id="sm5">sm5</option>
+  <option id="sm6">sm6</option>
+</select>
+<select id="selectCombo" size="1">
+  <option>sc1</option>
+</select>
+<div id="ariaListbox" role="listbox">
+  <div id="al1" role="option" aria-selected="true">al1</div>
+  <div id="al2" role="option">al2</div>
+</div>
+<div id="tablist" role="tablist">
+  <div id="t1" role="tab">t1</div>
+  <div id="t2" role="tab" aria-selected="true">t2</div>
+</div>
+<table id="grid" role="grid" aria-multiselectable="true">
+  <tr>
+    <td id="g1">g1</td>
+    <td id="g2" role="gridcell" aria-selected="true">g2</td>
+  </tr>
+  <tr>
+    <td id="g3">g3</td>
+    <td id="g4" role="gridcell" aria-selected="true">g4</td>
+  </tr>
+</table>
+<div id="radiogroup" role="radiogroup">
+  <label><input id="r1" type="radio" name="r" checked>r1</label>
+  <label><input id="r2" type="radio" name="r">r2</label>
+</div>
+<div id="menu" role="menu">
+  <div id="m1" role="menuitem">m1</div>
+  <div id="m2" role="menuitemradio">m2</div>
+  <div id="m3" role="menuitemradio" aria-checked="true">m3</div>
+</div>
+<button id="button">button</button>
+`;
+
+async function testSelectionProps(id, selection, multiple, required) {
+  await assignPyVarToUiaWithId(id);
+  await definePyVar("pattern", `getUiaPattern(${id}, "Selection")`);
+  ok(await runPython(`bool(pattern)`), `${id} has Selection pattern`);
+  await isUiaElementArray(
+    `pattern.GetCurrentSelection()`,
+    selection,
+    `${id} has correct Selection`
+  );
+  is(
+    !!(await runPython(`pattern.CurrentCanSelectMultiple`)),
+    multiple,
+    `${id} has correct CanSelectMultiple`
+  );
+  // The IA2 -> UIA proxy doesn't reflect the required state correctly.
+  if (gIsUiaEnabled) {
+    is(
+      !!(await runPython(`pattern.CurrentIsSelectionRequired`)),
+      required,
+      `${id} has correct IsSelectionRequired`
+    );
+  }
+}
+
+async function testSelectionItemProps(id, selected, container) {
+  await assignPyVarToUiaWithId(id);
+  await definePyVar("pattern", `getUiaPattern(${id}, "SelectionItem")`);
+  ok(await runPython(`bool(pattern)`), `${id} has SelectionItem pattern`);
+  is(
+    !!(await runPython(`pattern.CurrentIsSelected`)),
+    selected,
+    `${id} has correct IsSelected`
+  );
+  if (container) {
+    is(
+      await runPython(`pattern.CurrentSelectionContainer.CurrentAutomationId`),
+      container,
+      `${id} has correct SelectionContainer`
+    );
+  } else {
+    ok(
+      !(await runPython(`bool(pattern.CurrentSelectionContainer)`)),
+      `${id} has no SelectionContainer`
+    );
+  }
+}
+
+/**
+ * Test the Selection pattern.
+ */
+addUiaTask(SNIPPET, async function testSelection(browser) {
+  await definePyVar("doc", `getDocUia()`);
+  await testSelectionProps("selectList", ["sl1"], false, false);
+  await testSelectionProps("selectRequired", [], false, true);
+
+  await testSelectionProps("selectMulti", ["sm1", "sm3"], true, false);
+  // The Selection pattern only has an event for a complete invalidation of the
+  // container's selection, which only happens when there are too many selection
+  // events. Smaller selection changes fire events in the SelectionItem pattern.
+  info("Changing selectMulti selection");
+  await setUpWaitForUiaEvent("Selection_Invalidated", "selectMulti");
+  await invokeContentTask(browser, [], () => {
+    const multi = content.document.getElementById("selectMulti");
+    multi[0].selected = false;
+    multi[1].selected = true;
+    multi[2].selected = false;
+    multi[3].selected = true;
+    multi[4].selected = true;
+    multi[5].selected = true;
+  });
+  await waitForUiaEvent();
+  ok(true, "select got Invalidated event");
+  await testSelectionProps(
+    "selectMulti",
+    ["sm2", "sm4", "sm5", "sm6"],
+    true,
+    false
+  );
+
+  await testPatternAbsent("selectCombo", "Selection");
+
+  await testSelectionProps("ariaListbox", ["al1"], false, false);
+  await testSelectionProps("tablist", ["t2"], false, false);
+  // The IA2 -> UIA proxy doesn't expose the Selection pattern on grids.
+  if (gIsUiaEnabled) {
+    await testSelectionProps("grid", ["g2", "g4"], true, false);
+  }
+
+  // radio gets the SelectionItem pattern, but radiogroup doesn't get the
+  // Selection pattern for now. Same for menu/menuitemradio.
+  await testPatternAbsent("radiogroup", "Selection");
+  await testPatternAbsent("menu", "Selection");
+
+  await testPatternAbsent("button", "Selection");
+});
+
+/**
+ * Test the SelectionItem pattern.
+ */
+addUiaTask(SNIPPET, async function testSelection() {
+  await definePyVar("doc", `getDocUia()`);
+  await testPatternAbsent("selectList", "SelectionItem");
+  await testSelectionItemProps("sl1", true, "selectList");
+  await testSelectionItemProps("sl2", false, "selectList");
+  info("Calling Select on sl2");
+  await setUpWaitForUiaEvent("SelectionItem_ElementSelected", "sl2");
+  await runPython(`pattern.Select()`);
+  await waitForUiaEvent();
+  ok(true, "sl2 got ElementSelected event");
+  await testSelectionItemProps("sl1", false, "selectList");
+  await testSelectionItemProps("sl2", true, "selectList");
+
+  await testSelectionItemProps("sr1", false, "selectRequired");
+
+  await testSelectionItemProps("sm1", true, "selectMulti");
+  await testSelectionItemProps("sm2", false, "selectMulti");
+  info("Calling AddToSelection on sm2");
+  await setUpWaitForUiaEvent("SelectionItem_ElementAddedToSelection", "sm2");
+  await runPython(`pattern.AddToSelection()`);
+  await waitForUiaEvent();
+  ok(true, "sm2 got ElementAddedToSelection event");
+  await testSelectionItemProps("sm2", true, "selectMulti");
+  await testSelectionItemProps("sm3", true, "selectMulti");
+  info("Calling RemoveFromSelection on sm3");
+  await setUpWaitForUiaEvent(
+    "SelectionItem_ElementRemovedFromSelection",
+    "sm3"
+  );
+  await runPython(`pattern.RemoveFromSelection()`);
+  await waitForUiaEvent();
+  ok(true, "sm3 got ElementRemovedFromSelection event");
+  await testSelectionItemProps("sm3", false, "selectMulti");
+
+  await testSelectionItemProps("t1", false, "tablist");
+  await testSelectionItemProps("t2", true, "tablist");
+
+  // The IA2 -> UIA proxy doesn't expose the SelectionItem pattern on grid
+  // cells.
+  if (gIsUiaEnabled) {
+    await testSelectionItemProps("g1", false, "grid");
+    await testSelectionItemProps("g2", true, "grid");
+  }
+
+  await testSelectionItemProps("r1", true, null);
+  await testSelectionItemProps("r2", false, null);
+  // The IA2 -> UIA proxy doesn't fire correct events for radio buttons.
+  if (gIsUiaEnabled) {
+    info("Calling Select on r2");
+    await setUpWaitForUiaEvent("SelectionItem_ElementSelected", "r2");
+    await runPython(`pattern.Select()`);
+    await waitForUiaEvent();
+    ok(true, "r2 got ElementSelected event");
+    await testSelectionItemProps("r1", false, null);
+    await testSelectionItemProps("r2", true, null);
+    info("Calling RemoveFromSelection on r2");
+    await testPythonRaises(
+      `pattern.RemoveFromSelection()`,
+      "RemoveFromSelection failed on r2"
+    );
+  }
+
+  await testPatternAbsent("m1", "SelectionItem");
+  // The IA2 -> UIA proxy doesn't expose the SelectionItem pattern for radio
+  // menu items.
+  if (gIsUiaEnabled) {
+    await testSelectionItemProps("m2", false, null);
+    await testSelectionItemProps("m3", true, null);
+  }
+
+  await testPatternAbsent("button", "SelectionItem");
+});
diff --git a/accessible/tests/browser/windows/uia/browser_simplePatterns.js b/accessible/tests/browser/windows/uia/browser_simplePatterns.js
index f464db0e13..484d217af2 100644
--- a/accessible/tests/browser/windows/uia/browser_simplePatterns.js
+++ b/accessible/tests/browser/windows/uia/browser_simplePatterns.js
@@ -27,6 +27,7 @@ addUiaTask(
 <button id="button">button</button>
 <p id="p">p</p>
 <input id="checkbox" type="checkbox">
+<input id="radio" type="radio">
   `,
   async function testInvoke() {
     await definePyVar("doc", `getDocUia()`);
@@ -54,6 +55,8 @@ addUiaTask(
       // Check boxes expose the Toggle pattern, so they should not expose the
       // Invoke pattern.
       await testPatternAbsent("checkbox", "Invoke");
+      // Ditto for radio buttons.
+      await testPatternAbsent("radio", "Invoke");
     }
   }
 );
@@ -317,6 +320,7 @@ addUiaTask(
     await setUpWaitForUiaPropEvent("ValueValue", "text");
     await runPython(`pattern.SetValue("after")`);
     await waitForUiaEvent();
+    ok(true, "Got ValueValue prop change event on text");
     is(
       await runPython(`pattern.CurrentValue`),
       "after",
@@ -434,6 +438,7 @@ addUiaTask(
     await setUpWaitForUiaPropEvent("ValueValue", "ariaTextbox");
     await runPython(`pattern.SetValue("after")`);
     await waitForUiaEvent();
+    ok(true, "Got ValueValue prop change event on ariaTextbox");
     is(
       await runPython(`pattern.CurrentValue`),
       "after",
@@ -443,3 +448,95 @@ addUiaTask(
     await testPatternAbsent("button", "Value");
   }
 );
+
+async function testRangeValueProps(id, ro, val, min, max, small, large) {
+  await assignPyVarToUiaWithId(id);
+  await definePyVar("pattern", `getUiaPattern(${id}, "RangeValue")`);
+  ok(await runPython(`bool(pattern)`), `${id} has RangeValue pattern`);
+  is(
+    !!(await runPython(`pattern.CurrentIsReadOnly`)),
+    ro,
+    `${id} has IsReadOnly ${ro}`
+  );
+  is(await runPython(`pattern.CurrentValue`), val, `${id} has correct Value`);
+  is(
+    await runPython(`pattern.CurrentMinimum`),
+    min,
+    `${id} has correct Minimum`
+  );
+  is(
+    await runPython(`pattern.CurrentMaximum`),
+    max,
+    `${id} has correct Maximum`
+  );
+  // IA2 doesn't support small/large change, so the IA2 -> UIA proxy can't
+  // either.
+  if (gIsUiaEnabled) {
+    is(
+      await runPython(`pattern.CurrentSmallChange`),
+      small,
+      `${id} has correct SmallChange`
+    );
+    is(
+      await runPython(`pattern.CurrentLargeChange`),
+      large,
+      `${id} has correct LargeChange`
+    );
+  }
+}
+
+/**
+ * Test the RangeValue pattern.
+ */
+addUiaTask(
+  `
+<input id="range" type="range">
+<input id="rangeBig" type="range" max="1000">
+<progress id="progress" value="0.5"></progress>
+<input id="numberRo" type="number" min="0" max="10" value="5" readonly>
+<div id="ariaSlider" role="slider">slider</div>
+<button id="button">button</button>
+  `,
+  async function testRangeValue(browser) {
+    await definePyVar("doc", `getDocUia()`);
+    await testRangeValueProps("range", false, 50, 0, 100, 1, 10);
+    info("SetValue on range");
+    await setUpWaitForUiaPropEvent("RangeValueValue", "range");
+    await runPython(`pattern.SetValue(20)`);
+    await waitForUiaEvent();
+    ok(true, "Got RangeValueValue prop change event on range");
+    is(await runPython(`pattern.CurrentValue`), 20, "range has correct Value");
+
+    await testRangeValueProps("rangeBig", false, 500, 0, 1000, 1, 100);
+
+    // Gecko a11y doesn't expose progress bars as read only, but it probably
+    // should.
+    await testRangeValueProps("progress", false, 0.5, 0, 1, 0, 0.1);
+    info("Calling SetValue on progress");
+    await testPythonRaises(
+      `pattern.SetValue(0.6)`,
+      "SetValue on progress failed"
+    );
+
+    await testRangeValueProps("numberRo", true, 5, 0, 10, 1, 1);
+    info("Calling SetValue on numberRo");
+    await testPythonRaises(
+      `pattern.SetValue(6)`,
+      "SetValue on numberRo failed"
+    );
+
+    await testRangeValueProps("ariaSlider", false, 50, 0, 100, null, null);
+    info("Setting aria-valuenow on ariaSlider");
+    await setUpWaitForUiaPropEvent("RangeValueValue", "ariaSlider");
+    await invokeSetAttribute(browser, "ariaSlider", "aria-valuenow", "60");
+    await waitForUiaEvent();
+    ok(true, "Got RangeValueValue prop change event on ariaSlider");
+    is(
+      await runPython(`pattern.CurrentValue`),
+      60,
+      "ariaSlider has correct Value"
+    );
+
+    await testPatternAbsent("button", "RangeValue");
+  }
+);
diff --git a/accessible/tests/browser/windows/uia/head.js b/accessible/tests/browser/windows/uia/head.js
index 5b453ce6fe..217b8cb844 100644
--- a/accessible/tests/browser/windows/uia/head.js
+++ b/accessible/tests/browser/windows/uia/head.js
@@ -4,7 +4,7 @@
 
 "use strict";
 
-/* exported gIsUiaEnabled, addUiaTask, definePyVar, assignPyVarToUiaWithId, setUpWaitForUiaEvent, setUpWaitForUiaPropEvent, waitForUiaEvent, testPatternAbsent, testPythonRaises */
+/* exported gIsUiaEnabled, addUiaTask, definePyVar, assignPyVarToUiaWithId, setUpWaitForUiaEvent, setUpWaitForUiaPropEvent, waitForUiaEvent, testPatternAbsent, testPythonRaises, isUiaElementArray */
 
 // Load the shared-head file first.
 Services.scriptloader.loadSubScript(
@@ -126,3 +126,15 @@ async function testPythonRaises(expression, message) {
   }
   ok(failed, message);
 }
+
+/**
+ * Verify that an array of UIA elements contains (only) elements with the given
+ * DOM ids.
+ */
+async function isUiaElementArray(pyExpr, ids, message) {
+  const result = await runPython(`
+    uias = (${pyExpr})
+    return [uias.GetElement(i).CurrentAutomationId for i in range(uias.Length)]
+  `);
+  SimpleTest.isDeeply(result, ids, message);
+}