| <!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> |
