| <!DOCTYPE html> |
| <meta charset=utf-8> |
| <title>CharacterData.deleteData</title> |
| <link rel=help href="https://dom.spec.whatwg.org/#dom-characterdata-deletedata"> |
| <link rel=help href="https://dom.spec.whatwg.org/#dom-characterdata-data"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <div id="log"></div> |
| <script> |
| function testNode(create, type) { |
| test(function() { |
| var node = create() |
| assert_equals(node.data, "test") |
| |
| assert_throws("INDEX_SIZE_ERR", function() { node.deleteData(5, 10) }) |
| assert_throws("INDEX_SIZE_ERR", function() { node.deleteData(5, 0) }) |
| assert_throws("INDEX_SIZE_ERR", function() { node.deleteData(-1, 10) }) |
| assert_throws("INDEX_SIZE_ERR", function() { node.deleteData(-1, 0) }) |
| }, type + ".deleteData() out of bounds") |
| |
| test(function() { |
| var node = create() |
| assert_equals(node.data, "test") |
| |
| node.deleteData(0, 2) |
| assert_equals(node.data, "st") |
| }, type + ".deleteData() at the start") |
| |
| test(function() { |
| var node = create() |
| assert_equals(node.data, "test") |
| |
| node.deleteData(2, 10) |
| assert_equals(node.data, "te") |
| }, type + ".deleteData() at the end") |
| |
| test(function() { |
| var node = create() |
| assert_equals(node.data, "test") |
| |
| node.deleteData(1, 1) |
| assert_equals(node.data, "tst") |
| }, type + ".deleteData() in the middle") |
| |
| test(function() { |
| var node = create() |
| assert_equals(node.data, "test") |
| |
| node.deleteData(2, 0) |
| assert_equals(node.data, "test") |
| |
| node.deleteData(0, 0) |
| assert_equals(node.data, "test") |
| }, type + ".deleteData() with zero count") |
| |
| test(function() { |
| var node = create() |
| assert_equals(node.data, "test") |
| |
| node.deleteData(2, -1) |
| assert_equals(node.data, "te") |
| }, type + ".deleteData() with small negative count") |
| |
| test(function() { |
| var node = create() |
| assert_equals(node.data, "test") |
| |
| node.deleteData(1, -0x100000000 + 2) |
| assert_equals(node.data, "tt") |
| }, type + ".deleteData() with large negative count") |
| |
| test(function() { |
| var node = create() |
| node.data = "This is the character data test, append more 資料,更多測試資料"; |
| |
| node.deleteData(40, 5); |
| assert_equals(node.data, "This is the character data test, append 資料,更多測試資料"); |
| node.deleteData(45, 2); |
| assert_equals(node.data, "This is the character data test, append 資料,更多資料"); |
| }, type + ".deleteData() with non-ascii data") |
| |
| test(function() { |
| var node = create() |
| assert_equals(node.data, "test") |
| |
| node.data = "🌠 test 🌠 TEST" |
| |
| node.deleteData(5, 8); // Counting UTF-16 code units |
| assert_equals(node.data, "🌠 teST"); |
| }, type + ".deleteData() with non-BMP data") |
| } |
| |
| testNode(function() { return document.createTextNode("test") }, "Text") |
| testNode(function() { return document.createComment("test") }, "Comment") |
| </script> |