Add dataset property to SVGElement interface.

third_party/WebKit/LayoutTests/fast/dom/script-tests/dataset.js

-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')");
-shouldBeTrue("testGet('data-1', '1')");
-shouldBeTrue("testGet('data-01', '01')");
-shouldBeTrue("testGet('data-zx81', 'zx81')");
-shouldBeTrue("testGet('data-i4770k', 'i4770k')");
-shouldBeTrue("testGet('data-r-7', 'r-7')");
-shouldBeTrue("testGet('data-r-7-k', 'r-7K')");
-shouldBeUndefined("document.body.dataset.nonExisting");
-debug("");
-
-function testIsUndefined(attr, prop)
-{
-    var d = document.createElement("div");
-    d.setAttribute(attr, "value");
-    return d.dataset[prop] === undefined;
-}
-
-shouldBeTrue("testIsUndefined('data-022', '22')");
-shouldBeTrue("testIsUndefined('data-22', '022')");
-
-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')");
-shouldBeTrue("testSet('32', 'data-32')");
-shouldBeTrue("testSet('0032', 'data-0032')");
-shouldBeTrue("testSet('i18n', 'data-i18n')");
-shouldBeTrue("testSet('d2', 'data-d2')");
-shouldBeTrue("testSet('2d', 'data-2d')");
-shouldBeTrue("testSet('d-2', 'data-d-2')");
-shouldBeTrue("testSet('A--S', 'data--a---s')");
-debug("");
-
-function testIsNull(prop, attr)
-{
-    var d = document.createElement("div");
-    d.dataset[prop] = "value";
-    return d.getAttribute(attr) === null;
-}
-
-shouldBeTrue("testIsNull('0123', 'data-123')");
-shouldBeTrue("testIsNull('123', 'data-0123')");
-debug("");
-
-shouldThrow("testSet('-foo', 'dummy')", '"SyntaxError: Failed to set the \'-foo\' property on \'DOMStringMap\': \'-foo\' is not a valid property name."');
-shouldThrow("testSet('foo\x20', 'dummy')", '"InvalidCharacterError: Failed to set the \'foo\x20\' property on \'DOMStringMap\': \'data-foo\x20\' is not a valid attribute name."');
-shouldThrow("testSet('foo\uF900', 'dummy')", '"InvalidCharacterError: Failed to set the \'foo\uF900\' property on \'DOMStringMap\': \'data-foo\uF900\' is not a valid attribute name."');
-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')");
-shouldBeTrue("testDelete('data-33', '33')");
-shouldBeTrue("testDelete('data-00033', '00033')");
-shouldBeTrue("testDelete('data-r2', 'r2')");
-shouldBeTrue("testDelete('data-2r', '2r')");
-shouldBeTrue("testDelete('data-r-2', 'r-2')");
-shouldBeTrue("testDelete('data--r-2-', 'R-2-')");
-shouldBeTrue("testDelete('data--r-2r', 'R-2r')");
-shouldBeTrue("testDelete('data--r-2-----r', 'R-2----R')");
-
-// The element.dataset deleter is only applied to properties
-// that are present; check that any underlying native property
-// is deleted instead.
-function testNativeDelete(prop, isConfigurable)
-{
-    var d = document.createElement("div");
-    Object.defineProperty(d.dataset, prop, {configurable: isConfigurable, value: "native_value"});
-    delete d.dataset[prop];
-    return isConfigurable ? !(prop in d.dataset) : (d.dataset[prop] === "native_value");
-}
-
-// TODO(jochen): Reenable this once it behaves correctly
-//shouldBeTrue("testNativeDelete('-r-2-', false)");
-shouldBeTrue("testNativeDelete('foo', true)");
-
-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");
-shouldBe("testForIn(['data-foo', 'data-bar', 'data-43'])", "3");
-shouldBe("testForIn(['data-foo', 'data-oric1', 'data-bar'])", "3");
-shouldBe("testForIn(['data-foo', 'data-oric-1', 'data-bar'])", "3");
-shouldBe("testForIn(['data-foo', 'data-oric-1x', 'data-bar'])", "3");
-
-
-debug("");
-debug("Property override:");
-var div = document.createElement("div");
-// If the Object prototype 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");
-
-shouldBe("Object.prototype[11] = 'on Object'; div.dataset[11]", "'on Object'");
-shouldBe("div.dataset['11'] = 'on dataset'; div.dataset[11]", "'on dataset'");
-shouldBeTrue("div.hasAttribute('data-11')");
-shouldBe("div.setAttribute('data-11', 'attr'); div.dataset[11]", "'attr'");
-debug("Update the JavaScript property:");
-shouldBe("div.dataset[11] = 'updated'; div.dataset[11]", "'updated'");
-shouldBe("div.getAttribute('data-11')", "'updated'");
-
-shouldBe("Object.prototype['a500'] = 'on Object'; div.dataset['a500']", "'on Object'");
-shouldBe("div.dataset['a500'] = 'on dataset'; div.dataset['a500']", "'on dataset'");
-shouldBeTrue("div.hasAttribute('data-a500')");
-shouldBe("div.setAttribute('data-a500', 'attr'); div.dataset['a500']", "'attr'");
-debug("Update the JavaScript property:");
-shouldBe("div.dataset['a500'] = 'updated'; div.dataset['a500']", "'updated'");
-shouldBe("div.getAttribute('data-a500')", "'updated'");
-
-shouldBe("Object.prototype['a-500k'] = 'on Object'; div.dataset['a-500k']", "'on Object'");
-shouldBe("div.dataset['a-500k'] = 'on dataset'; div.dataset['a-500k']", "'on dataset'");
-shouldBeTrue("div.hasAttribute('data-a-500k')");
-shouldBe("div.setAttribute('data-a-500k', 'attr'); div.dataset['a-500k']", "'attr'");
-debug("Update the JavaScript property:");
-shouldBe("div.dataset['a-500k'] = 'updated'; div.dataset['a-500k']", "'updated'");
-shouldBe("div.getAttribute('data-a-500k')", "'updated'");
-
-debug("");
-debug("Set null:");
-
-var d = document.createElement("div");
-d.dataset.foo = null;
-shouldBe("d.dataset.foo", "'null'");
-
-debug("");