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| 1 <!DOCTYPE html> |
| 2 <meta charset=utf-8> |
| 3 <title>CharacterData.deleteData</title> |
| 4 <link rel=help href="https://dom.spec.whatwg.org/#dom-characterdata-deletedata"> |
| 5 <link rel=help href="https://dom.spec.whatwg.org/#dom-characterdata-data"> |
| 6 <script src="../../../../resources/testharness.js"></script> |
| 7 <script src="../../../../resources/testharnessreport.js"></script> |
| 8 <div id="log"></div> |
| 9 <script> |
| 10 function testNode(create, type) { |
| 11 test(function() { |
| 12 var node = create() |
| 13 assert_equals(node.data, "test") |
| 14 |
| 15 assert_throws("INDEX_SIZE_ERR", function() { node.deleteData(5, 10) }) |
| 16 assert_throws("INDEX_SIZE_ERR", function() { node.deleteData(5, 0) }) |
| 17 assert_throws("INDEX_SIZE_ERR", function() { node.deleteData(-1, 10) }) |
| 18 assert_throws("INDEX_SIZE_ERR", function() { node.deleteData(-1, 0) }) |
| 19 }, type + ".deleteData() out of bounds") |
| 20 |
| 21 test(function() { |
| 22 var node = create() |
| 23 assert_equals(node.data, "test") |
| 24 |
| 25 node.deleteData(0, 2) |
| 26 assert_equals(node.data, "st") |
| 27 }, type + ".deleteData() at the start") |
| 28 |
| 29 test(function() { |
| 30 var node = create() |
| 31 assert_equals(node.data, "test") |
| 32 |
| 33 node.deleteData(2, 10) |
| 34 assert_equals(node.data, "te") |
| 35 }, type + ".deleteData() at the end") |
| 36 |
| 37 test(function() { |
| 38 var node = create() |
| 39 assert_equals(node.data, "test") |
| 40 |
| 41 node.deleteData(1, 1) |
| 42 assert_equals(node.data, "tst") |
| 43 }, type + ".deleteData() in the middle") |
| 44 |
| 45 test(function() { |
| 46 var node = create() |
| 47 assert_equals(node.data, "test") |
| 48 |
| 49 node.deleteData(2, 0) |
| 50 assert_equals(node.data, "test") |
| 51 |
| 52 node.deleteData(0, 0) |
| 53 assert_equals(node.data, "test") |
| 54 }, type + ".deleteData() with zero count") |
| 55 |
| 56 test(function() { |
| 57 var node = create() |
| 58 assert_equals(node.data, "test") |
| 59 |
| 60 node.deleteData(2, -1) |
| 61 assert_equals(node.data, "te") |
| 62 }, type + ".deleteData() with small negative count") |
| 63 |
| 64 test(function() { |
| 65 var node = create() |
| 66 assert_equals(node.data, "test") |
| 67 |
| 68 node.deleteData(1, -0x100000000 + 2) |
| 69 assert_equals(node.data, "tt") |
| 70 }, type + ".deleteData() with large negative count") |
| 71 |
| 72 test(function() { |
| 73 var node = create() |
| 74 node.data = "This is the character data test, append more 資料,更多測試資料"; |
| 75 |
| 76 node.deleteData(40, 5); |
| 77 assert_equals(node.data, "This is the character data test, append 資料,更多測試資料"
); |
| 78 node.deleteData(45, 2); |
| 79 assert_equals(node.data, "This is the character data test, append 資料,更多資料"); |
| 80 }, type + ".deleteData() with non-ascii data") |
| 81 |
| 82 test(function() { |
| 83 var node = create() |
| 84 assert_equals(node.data, "test") |
| 85 |
| 86 node.data = "🌠 test 🌠 TEST" |
| 87 |
| 88 node.deleteData(5, 8); // Counting UTF-16 code units |
| 89 assert_equals(node.data, "🌠 teST"); |
| 90 }, type + ".deleteData() with non-BMP data") |
| 91 } |
| 92 |
| 93 testNode(function() { return document.createTextNode("test") }, "Text") |
| 94 testNode(function() { return document.createComment("test") }, "Comment") |
| 95 </script> |
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