LayoutTests/fast/dom/select-selectedIndex.html

   1 <link rel="stylesheet" href="../js/resources/js-test-style.css">
   2 <select id="test" size="3">
   3 </select>
   4 <div id="console"></div>
   5 <script src="../js/resources/js-test-pre.js"></script>
   6 <script>
   7 function reset(mySelect) {
   8   mySelect.length = 0;
   9   mySelect.options[mySelect.length] = new Option("one", "value", true, true);
  10   mySelect.options[mySelect.length] = new Option("two", "value", true, true);
  11 }
  12
  13 var mySelect = document.getElementById("test");
  14 reset(mySelect);
  15 var i = 0;
  16
  17 debug((++i) + ") setting length to a negative length");
  18 shouldThrow("mySelect.options.length = -1;");
  19 shouldBe("mySelect.options.length", "2");
  20 shouldBe("mySelect.selectedIndex", "1");
  21
  22 debug((++i) + ") setting length to a larger length");
  23 mySelect.options.length = 5;
  24 shouldBe("mySelect.options.length", "5");
  25 shouldBe("mySelect.selectedIndex", "1");
  26
  27 debug((++i) + ") setting length to a smaller length");
  28 mySelect.options.length = 2;
  29 shouldBe("mySelect.options.length", "2");
  30 shouldBe("mySelect.selectedIndex", "1");
  31
  32 mySelect.options.length = 1;
  33 shouldBe("mySelect.options.length", "1");
  34 shouldBe("mySelect.selectedIndex", "-1");
  35 reset(mySelect);
  36
  37 debug((++i) + ") setting length to the same length");
  38 mySelect.options.length = 2;
  39 shouldBe("mySelect.options.length", "2");
  40 shouldBe("mySelect.selectedIndex", "1");
  41
  42 debug((++i) + ") setting length to non-integer value: null");
  43 mySelect.options.length = null;
  44 shouldBe("mySelect.options.length", "0");
  45 shouldBe("mySelect.selectedIndex", "-1");
  46 reset(mySelect);
  47
  48 debug((++i) + ") setting length to non-integer value: undefined");
  49 mySelect.options.length = undefined;
  50 shouldBe("mySelect.options.length", "0");
  51 shouldBe("mySelect.selectedIndex", "-1");
  52 reset(mySelect);
  53
  54 debug((++i) + ") setting length to non-integer value: true");
  55 mySelect.options.length = true;
  56 shouldBe("mySelect.options.length", "1");
  57 shouldBe("mySelect.selectedIndex", "-1");
  58 reset(mySelect);
  59
  60 debug((++i) + ") setting length to non-integer value: false");
  61 mySelect.options.length = false;
  62 shouldBe("mySelect.options.length", "0");
  63 shouldBe("mySelect.selectedIndex", "-1");
  64 reset(mySelect);
  65
  66 debug((++i) + ") setting length to non-integer value: non-numeric string");
  67 mySelect.options.length = "apple";
  68 shouldBe("mySelect.options.length", "0");
  69 shouldBe("mySelect.selectedIndex", "-1");
  70 reset(mySelect);
  71
  72 debug((++i) + ") setting length to non-integer value: object");
  73 mySelect.options.length = new Object();
  74 shouldBe("mySelect.options.length", "0");
  75 shouldBe("mySelect.selectedIndex", "-1");
  76 reset(mySelect);
  77
  78 debug((++i) + ") setting length to non-integer value: negative infinity");
  79 mySelect.options.length = -1/0;
  80 shouldBe("mySelect.options.length", "0");
  81 shouldBe("mySelect.selectedIndex", "-1");
  82 reset(mySelect);
  83
  84 debug((++i) + ") setting length to non-integer value: NaN");
  85 mySelect.options.length = 0/0;
  86 shouldBe("mySelect.options.length", "0");
  87 shouldBe("mySelect.selectedIndex", "-1");
  88 reset(mySelect);
  89
  90 debug((++i) + ") setting length to non-integer value: positive infinity");
  91 mySelect.options.length = 1/0;
  92 shouldBe("mySelect.options.length", "0");
  93 shouldBe("mySelect.selectedIndex", "-1");
  94 reset(mySelect);
  95
  96 debug((++i) + ") setting length to non-integer value: floating point number");
  97 mySelect.options.length = 2.1;
  98 shouldBe("mySelect.options.length", "2");
  99 shouldBe("mySelect.selectedIndex", "1");
 100
 101 debug((++i) + ") setting an element by index past the end of the current list");
 102 mySelect.options[10] = new Option("ten", "value", true, true);
 103 shouldBe("mySelect.options.length", "11");
 104 shouldBe("mySelect.selectedIndex", "10");
 105
 106 debug((++i) + ") setting an existing element by index");
 107 mySelect.options[10] = mySelect.options[10];
 108 shouldBe("mySelect.options.length", "11");
 109 shouldBe("mySelect.selectedIndex", "10");
 110
 111 debug((++i) + ") trying to set an element that's not an option: null");
 112 mySelect.options[10] = null;
 113 shouldBe("mySelect.options.length", "10");
 114 shouldBe("mySelect.selectedIndex", "-1");
 115
 116 debug((++i) + ") trying to set an element that's not an option: undefined");
 117 mySelect.options[10] = undefined;
 118 shouldBe("mySelect.options.length", "10");
 119 shouldBe("mySelect.selectedIndex", "-1");
 120
 121 debug((++i) + ") trying to set an element that's not an option: select element");
 122 shouldThrow("mySelect.options[10] = mySelect;");
 123 shouldBe("mySelect.options.length", "10");
 124 shouldBe("mySelect.selectedIndex", "-1");
 125
 126 debug((++i) + ") trying to set a option element using an invalid index: negative infinity");
 127 mySelect.options[-1/0] = document.createElement("option");
 128 shouldBe("mySelect.options.length", "10");
 129 shouldBe("mySelect.selectedIndex", "-1");
 130
 131 debug((++i) + ") trying to set a option element using an invalid index: NaN");
 132 mySelect.options[0/0] = document.createElement("option");
 133 shouldBe("mySelect.options.length", "10");
 134 shouldBe("mySelect.selectedIndex", "-1");
 135
 136 debug((++i) + ") trying to set a option element using an invalid index: positive infinity");
 137 mySelect.options[1/0] = document.createElement("option");
 138 shouldBe("mySelect.options.length", "10");
 139 shouldBe("mySelect.selectedIndex", "-1");
 140
 141 debug("");
 142 var successfullyParsed = true;
 143 </script>
 144 <script src="../js/resources/js-test-post.js"></script>