LayoutTests/accessibility/mac/intersection-with-selection-range.html

<html><!-- webkit-test-runner [ IsAccessibilityIsolatedTreeEnabled=true ] -->
<head>
<script src="../../resources/accessibility-helper.js"></script>
<script src="../../resources/js-test.js"></script>
</head>
<body id="body" role="group">

<div id="text1">Alpha Bravo</div>
<div id="text2">  Charlie  Delta  </div>

<script>
var output = "This tests the intersectionWithSelectionRange API, which returns the range of characters in an AX element that are part of the document selection, if any.\n\n";

// Selects the specified range via DOM calls and returns the DOM selection object..
async function selectNodeRange(nodeId0, offset0, nodeId1, offset1) {
    let selection = window.getSelection();
    let range = document.createRange();
    range.setStart(document.getElementById(nodeId0).firstChild, offset0);
    range.setEnd(document.getElementById(nodeId1).firstChild, offset1);
    selection.removeAllRanges();
    selection.addRange(range);
    return selection;
}

async function runTest(nodeId0, offset0, nodeId1, offset1, expectedSelection, axElementId) {
    output += `Selecting: ${nodeId0}:${offset0} - ${nodeId1}:${offset1}\n`;
    selection = await selectNodeRange(nodeId0, offset0, nodeId1, offset1);
    output += `Selected text: '${selection.toString().replace("\n", "\\n")}'\n`;

    // FIXME: change the await for notification listening.
    webarea = accessibilityController.accessibleElementById("body");
    await waitFor(() => webarea.stringForTextMarkerRange(webarea.selectedTextMarkerRange()) == expectedSelection);

    axElement = accessibilityController.accessibleElementById(axElementId);
    axChild = axElement.childAtIndex(0);
    range = axChild.textMarkerRangeForElement(axChild);
    output += `${axElementId} range:   '${axChild.stringForTextMarkerRange(range)}'\n`;

    intersection = axChild.intersectionWithSelectionRange;
    output += `Intersection:  '${axChild.stringForTextMarkerRange(intersection)}'\n\n`;
}

if (window.accessibilityController) {
    window.jsTestIsAsync = true;
    setTimeout(async () => {
        await runTest("text1", 0, "text1", 5, "Alpha", "text1");
        await runTest("text1", 6, "text1", 11, "Bravo", "text1");
        await runTest("text2", 2, "text2", 9, "Charlie", "text2");
        await runTest("text2", 11, "text2", 16, "Delta", "text2");
        await runTest("text1", 6, "text2", 9, "Bravo\nCharlie", "text1");
        await runTest("text1", 0, "text1", 5, "Alpha", "text2");
        await runTest("text1", 6, "text2", 9, "Bravo\nCharlie", "text2");
        debug(output);
        finishJSTest();
    }, 0);
}
</script>
</body>
</html>