| <!DOCTYPE html> |
| <meta charset=utf-8> |
| <title>CharacterData.substringData</title> |
| <link rel=help href="https://dom.spec.whatwg.org/#dom-characterdata-substringdata"> |
| <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(new TypeError(), function() { node.substringData() }) |
| assert_throws(new TypeError(), function() { node.substringData(0) }) |
| }, type + ".substringData() with too few arguments") |
| |
| test(function() { |
| var node = create() |
| assert_equals(node.data, "test") |
| |
| assert_equals(node.substringData(0, 1, "test"), "t") |
| }, type + ".substringData() with too many arguments") |
| |
| test(function() { |
| var node = create() |
| assert_equals(node.data, "test") |
| |
| assert_throws("IndexSizeError", function() { node.substringData(5, 0) }) |
| assert_throws("IndexSizeError", function() { node.substringData(6, 0) }) |
| assert_throws("IndexSizeError", function() { node.substringData(-1, 0) }) |
| }, type + ".substringData() with invalid offset") |
| |
| test(function() { |
| var node = create() |
| assert_equals(node.data, "test") |
| |
| assert_equals(node.substringData(0, 1), "t") |
| assert_equals(node.substringData(1, 1), "e") |
| assert_equals(node.substringData(2, 1), "s") |
| assert_equals(node.substringData(3, 1), "t") |
| assert_equals(node.substringData(4, 1), "") |
| }, type + ".substringData() with in-bounds offset") |
| |
| test(function() { |
| var node = create() |
| assert_equals(node.data, "test") |
| |
| assert_equals(node.substringData(0, 0), "") |
| assert_equals(node.substringData(1, 0), "") |
| assert_equals(node.substringData(2, 0), "") |
| assert_equals(node.substringData(3, 0), "") |
| assert_equals(node.substringData(4, 0), "") |
| }, type + ".substringData() with zero count") |
| |
| test(function() { |
| var node = create() |
| assert_equals(node.data, "test") |
| |
| assert_equals(node.substringData(0x100000000 + 0, 1), "t") |
| assert_equals(node.substringData(0x100000000 + 1, 1), "e") |
| assert_equals(node.substringData(0x100000000 + 2, 1), "s") |
| assert_equals(node.substringData(0x100000000 + 3, 1), "t") |
| assert_equals(node.substringData(0x100000000 + 4, 1), "") |
| }, type + ".substringData() with very large offset") |
| |
| test(function() { |
| var node = create() |
| assert_equals(node.data, "test") |
| |
| assert_equals(node.substringData(-0x100000000 + 2, 1), "s") |
| }, type + ".substringData() with negative offset") |
| |
| test(function() { |
| var node = create() |
| assert_equals(node.data, "test") |
| |
| assert_equals(node.substringData("test", 3), "tes") |
| }, type + ".substringData() with string offset") |
| |
| test(function() { |
| var node = create() |
| assert_equals(node.data, "test") |
| |
| assert_equals(node.substringData(0, 1), "t") |
| assert_equals(node.substringData(0, 2), "te") |
| assert_equals(node.substringData(0, 3), "tes") |
| assert_equals(node.substringData(0, 4), "test") |
| }, type + ".substringData() with in-bounds count") |
| |
| test(function() { |
| var node = create() |
| assert_equals(node.data, "test") |
| |
| assert_equals(node.substringData(0, 5), "test") |
| assert_equals(node.substringData(2, 20), "st") |
| }, type + ".substringData() with large count") |
| |
| test(function() { |
| var node = create() |
| assert_equals(node.data, "test") |
| |
| assert_equals(node.substringData(2, 0x100000000 + 1), "s") |
| }, type + ".substringData() with very large count") |
| |
| test(function() { |
| var node = create() |
| assert_equals(node.data, "test") |
| |
| assert_equals(node.substringData(0, -1), "test") |
| assert_equals(node.substringData(0, -0x100000000 + 2), "te") |
| }, type + ".substringData() with negative count") |
| |
| test(function() { |
| var node = create() |
| assert_equals(node.data, "test") |
| |
| node.data = "This is the character data test, other 資料，更多文字" |
| |
| assert_equals(node.substringData(12, 4), "char") |
| assert_equals(node.substringData(39, 2), "資料") |
| }, type + ".substringData() with non-ASCII data") |
| |
| test(function() { |
| var node = create() |
| assert_equals(node.data, "test") |
| |
| node.data = "🌠 test 🌠 TEST" |
| |
| assert_equals(node.substringData(5, 8), "st 🌠 TE") // Counting UTF-16 code units |
| }, type + ".substringData() with non-BMP data") |
| } |
| |
| testNode(function() { return document.createTextNode("test") }, "Text") |
| testNode(function() { return document.createComment("test") }, "Comment") |
| </script> |
