| <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> |
| <html> |
| <head> |
| <script src="../../resources/js-test-pre.js"></script> |
| </head> |
| <body> |
| <script> |
| description("This tests element.dataset."); |
| |
| function testGet(attr, expected) |
| { |
| var d = document.createElement("div"); |
| d.setAttribute(attr, "value"); |
| return d.dataset[expected] == "value"; |
| } |
| |
| shouldBeTrue("testGet('data-foo', 'foo')"); |
| shouldBeTrue("testGet('data-foo-bar', 'fooBar')"); |
| shouldBeTrue("testGet('data--', '-')"); |
| shouldBeTrue("testGet('data--foo', 'Foo')"); |
| shouldBeTrue("testGet('data---foo', '-Foo')"); |
| shouldBeTrue("testGet('data---foo--bar', '-Foo-Bar')"); |
| shouldBeTrue("testGet('data---foo---bar', '-Foo--Bar')"); |
| shouldBeTrue("testGet('data-foo-', 'foo-')"); |
| shouldBeTrue("testGet('data-foo--', 'foo--')"); |
| shouldBeTrue("testGet('data-Foo', 'foo')"); // HTML lowercases all attributes. |
| shouldBeTrue("testGet('data-', '')"); |
| shouldBeTrue("testGet('data-\xE0', '\xE0')"); |
| shouldBeUndefined("document.body.dataset.nonExisting"); |
| debug(""); |
| |
| function matchesNothingInDataset(attr) |
| { |
| var d = document.createElement("div"); |
| d.setAttribute(attr, "value"); |
| |
| var count = 0; |
| for (var item in d.dataset) |
| count++; |
| return count == 0; |
| } |
| |
| shouldBeTrue("matchesNothingInDataset('dataFoo')"); |
| debug(""); |
| |
| function testSet(prop, expected) |
| { |
| var d = document.createElement("div"); |
| d.dataset[prop] = "value"; |
| return d.getAttribute(expected) == "value"; |
| } |
| |
| shouldBeTrue("testSet('foo', 'data-foo')"); |
| shouldBeTrue("testSet('fooBar', 'data-foo-bar')"); |
| shouldBeTrue("testSet('-', 'data--')"); |
| shouldBeTrue("testSet('Foo', 'data--foo')"); |
| shouldBeTrue("testSet('-Foo', 'data---foo')"); |
| shouldBeTrue("testSet('', 'data-')"); |
| shouldBeTrue("testSet('\xE0', 'data-\xE0')"); |
| debug(""); |
| |
| shouldThrowErrorName("testSet('-foo', 'dummy')", "SyntaxError"); |
| shouldThrowErrorName("testSet('foo\x20', 'dummy')", "InvalidCharacterError"); |
| shouldThrowErrorName("testSet('foo\uF900', 'dummy')", "InvalidCharacterError"); |
| debug(""); |
| |
| function testDelete(attr, prop) |
| { |
| var d = document.createElement("div"); |
| d.setAttribute(attr, "value"); |
| delete d.dataset[prop]; |
| return d.getAttribute(attr) != "value"; |
| } |
| |
| shouldBeTrue("testDelete('data-foo', 'foo')"); |
| shouldBeTrue("testDelete('data-foo-bar', 'fooBar')"); |
| shouldBeTrue("testDelete('data--', '-')"); |
| shouldBeTrue("testDelete('data--foo', 'Foo')"); |
| shouldBeTrue("testDelete('data---foo', '-Foo')"); |
| shouldBeTrue("testDelete('data-', '')"); |
| shouldBeTrue("testDelete('data-\xE0', '\xE0')"); |
| debug(""); |
| |
| shouldBeFalse("testDelete('dummy', '-foo')"); |
| debug(""); |
| |
| function testForIn(array) |
| { |
| var d = document.createElement("div"); |
| for (var i = 0; i < array.length; ++i) { |
| d.setAttribute(array[i], "value"); |
| } |
| |
| var count = 0; |
| for (var item in d.dataset) |
| count++; |
| |
| return count; |
| } |
| |
| shouldBe("testForIn(['data-foo', 'data-bar', 'data-baz'])", "3"); |
| shouldBe("testForIn(['data-foo', 'data-bar', 'dataFoo'])", "2"); |
| shouldBe("testForIn(['data-foo', 'data-bar', 'style'])", "2"); |
| shouldBe("testForIn(['data-foo', 'data-bar', 'data-'])", "3"); |
| |
| |
| debug(""); |
| debug("Property override:"); |
| var div = document.createElement("div"); |
| // If the Object prorotype already has "foo", dataset doesn't create the |
| // corresponding attribute for "foo". |
| shouldBe("Object.prototype.foo = 'on Object'; div.dataset.foo", "'on Object'"); |
| shouldBe("div.dataset['foo'] = 'on dataset'; div.dataset.foo", "'on dataset'"); |
| shouldBeTrue("div.hasAttribute('data-foo')"); |
| shouldBe("div.setAttribute('data-foo', 'attr'); div.dataset.foo", "'attr'"); |
| debug("Update the JavaScript property:"); |
| shouldBe("div.dataset.foo = 'updated'; div.dataset.foo", "'updated'"); |
| shouldBe("div.getAttribute('data-foo')", "'updated'"); |
| // "Bar" can't be represented as a data- attribute. |
| shouldBe("div.dataset.Bar = 'on dataset'; div.dataset.Bar", "'on dataset'"); |
| shouldBeFalse("div.hasAttribute('data-Bar')"); |
| debug("Make the JavaScript property empty:"); |
| shouldBe("div.dataset.foo = ''; div.dataset.foo", "''"); |
| shouldBe("div.getAttribute('data-foo')", "''"); |
| debug("Remove the attribute:"); |
| shouldBe("div.removeAttribute('data-foo'); div.dataset.foo", "'on Object'"); |
| debug("Remove the JavaScript property:"); |
| shouldBe("div.setAttribute('data-foo', 'attr'); delete div.dataset.foo; div.dataset.foo", "'on Object'"); |
| shouldBeFalse("div.hasAttribute('foo')"); |
| shouldBeUndefined("delete div.dataset.Bar; div.dataset.Bar"); |
| |
| debug(""); |
| </script> |
| <script src="../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
