1 files changed, 282 insertions, 0 deletions
diff --git a/accessible/tests/browser/mac/browser_text_basics.js b/accessible/tests/browser/mac/browser_text_basics.js
new file mode 100644
index 0000000000..de66ebf639
--- /dev/null
+++ b/accessible/tests/browser/mac/browser_text_basics.js
@@ -0,0 +1,282 @@
+/* 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 testRangeAtMarker(macDoc, marker, attribute, expected, msg) {
+  let range = macDoc.getParameterizedAttributeValue(attribute, marker);
+  is(stringForRange(macDoc, range), expected, msg);
+}
+
+function testUIElement(
+  macDoc,
+  marker,
+  msg,
+  expectedRole,
+  expectedValue,
+  expectedRange
+) {
+  let elem = macDoc.getParameterizedAttributeValue(
+    "AXUIElementForTextMarker",
+    marker
+  );
+  is(
+    elem.getAttributeValue("AXRole"),
+    expectedRole,
+    `${msg}: element role matches`
+  );
+  is(elem.getAttributeValue("AXValue"), expectedValue, `${msg}: element value`);
+  let elemRange = macDoc.getParameterizedAttributeValue(
+    "AXTextMarkerRangeForUIElement",
+    elem
+  );
+  is(
+    stringForRange(macDoc, elemRange),
+    expectedRange,
+    `${msg}: element range matches element value`
+  );
+}
+
+function testStyleRun(macDoc, marker, msg, expectedStyleRun) {
+  testRangeAtMarker(
+    macDoc,
+    marker,
+    "AXStyleTextMarkerRangeForTextMarker",
+    expectedStyleRun,
+    `${msg}: style run matches`
+  );
+}
+
+function testParagraph(macDoc, marker, msg, expectedParagraph) {
+  testRangeAtMarker(
+    macDoc,
+    marker,
+    "AXParagraphTextMarkerRangeForTextMarker",
+    expectedParagraph,
+    `${msg}: paragraph matches`
+  );
+}
+
+function testWords(macDoc, marker, msg, expectedLeft, expectedRight) {
+  testRangeAtMarker(
+    macDoc,
+    marker,
+    "AXLeftWordTextMarkerRangeForTextMarker",
+    expectedLeft,
+    `${msg}: left word matches`
+  );
+
+  testRangeAtMarker(
+    macDoc,
+    marker,
+    "AXRightWordTextMarkerRangeForTextMarker",
+    expectedRight,
+    `${msg}: right word matches`
+  );
+}
+
+function testLines(
+  macDoc,
+  marker,
+  msg,
+  expectedLine,
+  expectedLeft,
+  expectedRight
+) {
+  testRangeAtMarker(
+    macDoc,
+    marker,
+    "AXLineTextMarkerRangeForTextMarker",
+    expectedLine,
+    `${msg}: line matches`
+  );
+
+  testRangeAtMarker(
+    macDoc,
+    marker,
+    "AXLeftLineTextMarkerRangeForTextMarker",
+    expectedLeft,
+    `${msg}: left line matches`
+  );
+
+  testRangeAtMarker(
+    macDoc,
+    marker,
+    "AXRightLineTextMarkerRangeForTextMarker",
+    expectedRight,
+    `${msg}: right line matches`
+  );
+}
+
+// Tests consistency in text markers between:
+// 1. "Linked list" forward navagation
+// 2. Getting markers by index
+// 3. "Linked list" reverse navagation
+// For each iteration method check that the returned index is consistent
+function testMarkerIntegrity(accDoc, expectedMarkerValues) {
+  let macDoc = accDoc.nativeInterface.QueryInterface(
+    Ci.nsIAccessibleMacInterface
+  );
+
+  let count = 0;
+
+  // Iterate forward with "AXNextTextMarkerForTextMarker"
+  let marker = macDoc.getAttributeValue("AXStartTextMarker");
+  while (marker) {
+    let index = macDoc.getParameterizedAttributeValue(
+      "AXIndexForTextMarker",
+      marker
+    );
+    is(
+      index,
+      count,
+      `Correct index in "AXNextTextMarkerForTextMarker": ${count}`
+    );
+
+    testWords(
+      macDoc,
+      marker,
+      `At index ${count}`,
+      ...expectedMarkerValues[count].words
+    );
+    testLines(
+      macDoc,
+      marker,
+      `At index ${count}`,
+      ...expectedMarkerValues[count].lines
+    );
+    testUIElement(
+      macDoc,
+      marker,
+      `At index ${count}`,
+      ...expectedMarkerValues[count].element
+    );
+    testParagraph(
+      macDoc,
+      marker,
+      `At index ${count}`,
+      expectedMarkerValues[count].paragraph
+    );
+    testStyleRun(
+      macDoc,
+      marker,
+      `At index ${count}`,
+      expectedMarkerValues[count].style
+    );
+
+    let prevMarker = marker;
+    marker = macDoc.getParameterizedAttributeValue(
+      "AXNextTextMarkerForTextMarker",
+      marker
+    );
+
+    if (marker) {
+      let range = macDoc.getParameterizedAttributeValue(
+        "AXTextMarkerRangeForUnorderedTextMarkers",
+        [prevMarker, marker]
+      );
+      is(
+        macDoc.getParameterizedAttributeValue(
+          "AXLengthForTextMarkerRange",
+          range
+        ),
+        1,
+        "marker moved one character"
+      );
+    }
+
+    count++;
+  }
+
+  // Use "AXTextMarkerForIndex" to retrieve all text markers
+  for (let i = 0; i < count; i++) {
+    marker = macDoc.getParameterizedAttributeValue("AXTextMarkerForIndex", i);
+    let index = macDoc.getParameterizedAttributeValue(
+      "AXIndexForTextMarker",
+      marker
+    );
+    is(index, i, `Correct index in "AXTextMarkerForIndex": ${i}`);
+  }
+
+  ok(
+    !macDoc.getParameterizedAttributeValue(
+      "AXNextTextMarkerForTextMarker",
+      marker
+    ),
+    "Iterated through all markers"
+  );
+
+  // Iterate backward with "AXPreviousTextMarkerForTextMarker"
+  marker = macDoc.getAttributeValue("AXEndTextMarker");
+  while (marker) {
+    count--;
+    let index = macDoc.getParameterizedAttributeValue(
+      "AXIndexForTextMarker",
+      marker
+    );
+    is(
+      index,
+      count,
+      `Correct index in "AXPreviousTextMarkerForTextMarker": ${count}`
+    );
+    marker = macDoc.getParameterizedAttributeValue(
+      "AXPreviousTextMarkerForTextMarker",
+      marker
+    );
+  }
+
+  is(count, 0, "Iterated backward through all text markers");
+}
+
+addAccessibleTask("mac/doc_textmarker_test.html", async (browser, accDoc) => {
+  const expectedMarkerValues = await SpecialPowers.spawn(
+    browser,
+    [],
+    async () => {
+      return content.wrappedJSObject.EXPECTED;
+    }
+  );
+
+  testMarkerIntegrity(accDoc, expectedMarkerValues);
+});
+
+// Test text marker lesser-than operator
+addAccessibleTask(
+  `<p id="p">hello <a id="a" href="#">goodbye</a> world</p>`,
+  async (browser, accDoc) => {
+    let macDoc = accDoc.nativeInterface.QueryInterface(
+      Ci.nsIAccessibleMacInterface
+    );
+
+    let start = macDoc.getParameterizedAttributeValue(
+      "AXTextMarkerForIndex",
+      1
+    );
+    let end = macDoc.getParameterizedAttributeValue("AXTextMarkerForIndex", 10);
+
+    let range = macDoc.getParameterizedAttributeValue(
+      "AXTextMarkerRangeForUnorderedTextMarkers",
+      [end, start]
+    );
+    is(stringForRange(macDoc, range), "ello good");
+  }
+);
+
+addAccessibleTask(
+  `<input id="input" value=""><a href="#">goodbye</a>`,
+  async (browser, accDoc) => {
+    let macDoc = accDoc.nativeInterface.QueryInterface(
+      Ci.nsIAccessibleMacInterface
+    );
+
+    let input = getNativeInterface(accDoc, "input");
+
+    let range = macDoc.getParameterizedAttributeValue(
+      "AXTextMarkerRangeForUIElement",
+      input
+    );
+
+    is(stringForRange(macDoc, range), "", "string value is correct");
+  }
+);