fn-id.html - mozsearch

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /domxpath/fn-id.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<link rel="help" href="https://www.w3.org/TR/1999/REC-xpath-19991116/#function-id">

<body>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script>

// Test the id() function with various scenarios

function testIdFunction(expression, xmlString, expectedIds) {

  let doc = (new DOMParser()).parseFromString(xmlString, 'text/xml');

  test(() => {

    let result = doc.evaluate(expression, doc.documentElement, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);

    assert_equals(result.resultType, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE);

    let actualIds = [];

    for (let i = 0; i < result.snapshotLength; i++) {

      actualIds.push(result.snapshotItem(i).getAttribute('id'));

    actualIds.sort();

    expectedIds.sort();

    assert_array_equals(actualIds, expectedIds, `Expected IDs ${expectedIds}, got ${actualIds}`);

  }, `${expression}: ${doc.documentElement.outerHTML}`);

// Test single ID

testIdFunction('id("test1")', '<root><div id="test1">Match</div></root>', ['test1']);

// Test multiple IDs in space-separated string

testIdFunction('id("test1 test2")', '<root><div id="test1">First</div><div id="test2">Second</div></root>', ['test1', 'test2']);

// Test non-existent ID

testIdFunction('id("nonexistent")', '<root><div id="test1">No match</div></root>', []);

// Test mixed case IDs (should be case-sensitive)

testIdFunction('id("Test1")', '<root><div id="test1">No match</div></root>', []);

// Test multiple elements with same ID (should return all)

testIdFunction('id("duplicate")', '<root><div id="duplicate">First</div><div id="duplicate">Second</div></root>', ['duplicate', 'duplicate']);

// Test IDs with special characters

testIdFunction('id("test-1")', '<root><div id="test-1">Match</div></root>', ['test-1']);

// Test empty ID string

testIdFunction('id("")', '<root><div id="">Empty ID</div></root>', []);

// Test whitespace in ID string

testIdFunction('id(" test1 ")', '<root><div id="test1">Match</div></root>', ['test1']);

</script>

</body>