third_party/WebKit/LayoutTests/fast/dom/Range/resources/intersectsNode.js

   1 description(
   2 "This test checks the behavior of the intersectsNode() method on the Range object.<br>" +
   3 "It covers all configurations of the node/Range relationship and some exception conditions."
   4 );
   5
   6 var range = document.createRange();
   7 var intersects = 0;
   8
   9 debug("1.1 Node starts before the range and ends before the range");
  10 range.selectNode(document.getElementById("a2"));
  11 intersects = range.intersectsNode(document.getElementById("b1"));
  12 shouldBeFalse("intersects");
  13 debug("");
  14
  15 debug("1.2 Node starts before the range, and range ends on a 1");
  16 range.setStart(document.getElementById("b2"), 1);
  17 range.setEnd(document.getElementById("c2"), 1);
  18 intersects = range.intersectsNode(document.getElementById("b2"));
  19 shouldBeTrue("intersects");
  20 debug("");
  21
  22 debug("1.3 Node starts before the range and ends within the range");
  23 range.setStart(document.getElementById("b2"), 0);
  24 range.setEnd(document.getElementById("c3"), 0);
  25 intersects = range.intersectsNode(document.getElementById("a2"));
  26 shouldBeTrue("intersects");
  27 debug("");
  28
  29 debug("1.4 Range starts on 0, and node starts before range and ends in range");
  30 range.setStart(document.getElementById("b2"), 0);
  31 range.setEnd(document.getElementById("c2"), 1);
  32 intersects = range.intersectsNode(document.getElementById("b2"));
  33 shouldBeTrue("intersects");
  34 debug("");
  35
  36 debug("1.5 Node starts and ends in range");
  37 range.selectNode(document.getElementById("a2"));
  38 intersects = range.intersectsNode(document.getElementById("b2"));
  39 shouldBeTrue("intersects");
  40 debug("");
  41
  42 debug("1.6 Node starts in the range, and the range ends on 1");
  43 range.setStart(document.getElementById("b1"), 1);
  44 range.setEnd(document.getElementById("c2"), 1);
  45 intersects = range.intersectsNode( document.getElementById("c2"));
  46 shouldBeTrue("intersects");
  47 debug("");
  48
  49 debug("1.7 Node starts in the range, and ends after the range");
  50 range.setStart(document.getElementById("b1"), 1);
  51 range.setEnd(document.getElementById("c2"), 0);
  52 intersects = range.intersectsNode( document.getElementById("c2"));
  53 shouldBeTrue("intersects");
  54 debug("");
  55
  56 debug("1.8 Range start on 1, node starts in range and ends after");
  57 range.setStart(document.getElementById("b2"), 1);
  58 range.setEnd(document.getElementById("c2"), 0);
  59 intersects = range.intersectsNode( document.getElementById("c2"));
  60 shouldBeTrue("intersects");
  61 debug("");
  62
  63 debug("1.9 Node starts on range start and ends on range end");
  64 range.selectNode(document.getElementById("a2"));
  65 intersects = range.intersectsNode(document.getElementById("a2"));
  66 shouldBeTrue("intersects");
  67 debug("");
  68
  69 debug("1.10 Node starts after range end and ends after range end");
  70 range.selectNode(document.getElementById("b2"));
  71 intersects = range.intersectsNode(document.getElementById("c3"));
  72 shouldBeFalse("intersects");
  73 debug("");
  74
  75 debug("1.11 Node starts before range start and ends after range end");
  76 range.selectNode(document.getElementById("b2"));
  77 intersects = range.intersectsNode(document.getElementById("a2"));
  78 shouldBeTrue("intersects");
  79 debug("");
  80
  81 debug("1.12 Node starts before range start and range begins and ends on 1");
  82 range.setEnd(document.getElementById("c2"), 1);
  83 range.setStart(document.getElementById("c2"), 1);
  84 intersects = range.intersectsNode(document.getElementById("c2"));
  85 shouldBeTrue("intersects");
  86 debug("");
  87
  88 debug("1.13 Range starts at 0 and ends at 1");
  89 range.setStart(document.getElementById("b2"), 0);
  90 range.setEnd(document.getElementById("b2"), 1);
  91 intersects = range.intersectsNode(document.getElementById("b2"));
  92 shouldBeTrue("intersects");
  93 debug("");
  94
  95 debug("2.1 Detached Range, attached node");
  96 var detachedRange = document.createRange();
  97 detachedRange.detach(); // No-op.
  98 shouldBeFalse("detachedRange.intersectsNode(document.getElementById('a1'))");
  99 debug("");
 100
 101 debug("2.2 attached range, detached node");
 102 // firefox does not throw an exception but returns 0
 103 range.selectNode(document.getElementById("a1"));
 104 var node = document.getElementById("b1");
 105 node.parentNode.removeChild(node);
 106 intersects = range.intersectsNode(node);
 107 shouldBeFalse("intersects");
 108 debug("");
 109
 110 debug("2.3 Node has no parent");
 111 range.selectNode(document.getElementById("a2"));
 112 shouldThrow("range.intersectsNode(document)");
 113 debug("");
 114
 115 debug("2.4 Range has no parent");
 116 shouldThrow("range.selectNode(document)", '"InvalidNodeTypeError: Failed to execute \'selectNode\' on \'Range\': the given Node has no parent."');
 117 debug("");
 118
 119 debug("2.5 Wrong documents");
 120 // firefox does not throw an exception here instead it returns 0
 121 var src1 = "<html>\n<head>\n<body>\n<div id=f1>f1</div>\n</body>\n</head>\n<html>";
 122 window.frames['frame1'].document.open("text/html", "replace");
 123 window.frames['frame1'].document.write(src1);
 124 window.frames['frame1'].document.close();
 125
 126 var src2 = "<html>\n<head>\n<body>\n<div id=f2>f2</div>\n</body>\n</head>\n<html>";
 127 window.frames['frame2'].document.open("text/html", "replace");
 128 window.frames['frame2'].document.write(src2);
 129 window.frames['frame2'].document.close();
 130
 131 var framerange = window.frames['frame1'].document.createRange();
 132 var F1Div = window.frames['frame1'].document.getElementById("f1");
 133 framerange.selectNode(F1Div);
 134
 135 intersects =framerange.intersectsNode(window.frames['frame2'].document.getElementById("f2"));
 136 shouldBeFalse("intersects");
 137 debug("");
 138
 139 debug("2.6 Node deleted");
 140 range.selectNode(document.getElementById("a2"));
 141 var node = null;
 142 shouldThrow("range.intersectsNode(node)");
 143 debug("");
 144
 145 if (window.testRunner)
 146     testRunner.dumpAsText();