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

   1 description("This tests element.dataset for XHTML.");
   2
   3 function testGet(attr, expected)
   4 {
   5     var d = document.createElement("div");
   6     d.setAttribute(attr, "value");
   7     return d.dataset[expected] == "value";
   8 }
   9
  10 shouldBeTrue("testGet('data-foo', 'foo')");
  11 shouldBeTrue("testGet('data-foo-bar', 'fooBar')");
  12 shouldBeTrue("testGet('data--', '-')");
  13 shouldBeTrue("testGet('data--foo', 'Foo')");
  14 shouldBeTrue("testGet('data---foo', '-Foo')");
  15 shouldBeTrue("testGet('data-', '')");
  16 shouldBeTrue("testGet('data-\xE0', '\xE0')");
  17 debug("");
  18
  19 function matchesNothingInDataset(attr)
  20 {
  21     var d = document.createElement("div");
  22     d.setAttribute(attr, "value");
  23
  24     var count = 0;
  25     for (var item in d.dataset)
  26         count++;
  27     return count == 0;
  28 }
  29
  30 shouldBeTrue("matchesNothingInDataset('dataFoo')");
  31 shouldBeTrue("matchesNothingInDataset('data-Foo')");
  32 debug("");
  33
  34 function testSet(prop, expected)
  35 {
  36     var d = document.createElement("div");
  37     d.dataset[prop] = "value";
  38     return d.getAttribute(expected) == "value";
  39 }
  40
  41 shouldBeTrue("testSet('foo', 'data-foo')");
  42 shouldBeTrue("testSet('fooBar', 'data-foo-bar')");
  43 shouldBeTrue("testSet('-', 'data--')");
  44 shouldBeTrue("testSet('Foo', 'data--foo')");
  45 shouldBeTrue("testSet('-Foo', 'data---foo')");
  46 shouldBeTrue("testSet('', 'data-')");
  47 shouldBeTrue("testSet('\xE0', 'data-\xE0')");
  48 debug("");
  49
  50 shouldThrow("testSet('-foo', 'dummy')", '"SyntaxError: Failed to set the \'-foo\' property on \'DOMStringMap\': \'-foo\' is not a valid property name."');
  51 shouldThrow("testSet('foo\x20', 'dummy')", '"InvalidCharacterError: Failed to set the \'foo\x20\' property on \'DOMStringMap\': \'data-foo\x20\' is not a valid attribute name."');
  52 shouldThrow("testSet('foo\uF900', 'dummy')", '"InvalidCharacterError: Failed to set the \'foo\uF900\' property on \'DOMStringMap\': \'data-foo\uF900\' is not a valid attribute name."');
  53 debug("");
  54
  55 function testDelete(attr, prop)
  56 {
  57     var d = document.createElement("div");
  58     d.setAttribute(attr, "value");
  59     delete d.dataset[prop];
  60     return d.getAttribute(attr) != "value";
  61 }
  62
  63 shouldBeTrue("testDelete('data-foo', 'foo')");
  64 shouldBeTrue("testDelete('data-foo-bar', 'fooBar')");
  65 shouldBeTrue("testDelete('data--', '-')");
  66 shouldBeTrue("testDelete('data--foo', 'Foo')");
  67 shouldBeTrue("testDelete('data---foo', '-Foo')");
  68 shouldBeTrue("testDelete('data-', '')");
  69 shouldBeTrue("testDelete('data-\xE0', '\xE0')");
  70 debug("");
  71
  72 shouldBeFalse("testDelete('dummy', '-foo')");
  73 debug("");
  74
  75 function testForIn(array)
  76 {
  77     var d = document.createElement("div");
  78     for (var i = 0; i < array.length; ++i) {
  79         d.setAttribute(array[i], "value");
  80     }
  81
  82     var count = 0;
  83     for (var item in d.dataset)
  84         count++;
  85
  86     return count;
  87 }
  88
  89 shouldBe("testForIn(['data-foo', 'data-bar', 'data-baz'])", "3");
  90 shouldBe("testForIn(['data-foo', 'data-bar', 'dataFoo'])", "2");
  91 shouldBe("testForIn(['data-foo', 'data-bar', 'style'])", "2");
  92 shouldBe("testForIn(['data-foo', 'data-bar', 'data-'])", "3");