Range-collapse.html

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This WPT test may be referenced by the following Test IDs:
- /dom/ranges/Range-collapse.html - WPT Dashboard Interop Dashboard

<!doctype html>

<title>Range.collapse() and .collapsed tests</title>

<link rel="author" title="Aryeh Gregor" href=ayg@aryeh.name>

<meta name=timeout content=long>

<div id=log></div>

<script src=/resources/testharness.js></script>

<script src=/resources/testharnessreport.js></script>

<script src=../common.js></script>

<script>

"use strict";

function testCollapse(rangeEndpoints, toStart) {

  // Have to account for Ranges involving Documents!

  var ownerDoc = rangeEndpoints[0].nodeType == Node.DOCUMENT_NODE

    ? rangeEndpoints[0]

    : rangeEndpoints[0].ownerDocument;

  var range = ownerDoc.createRange();

  range.setStart(rangeEndpoints[0], rangeEndpoints[1]);

  range.setEnd(rangeEndpoints[2], rangeEndpoints[3]);

  var expectedContainer = toStart ? range.startContainer : range.endContainer;

  var expectedOffset = toStart ? range.startOffset : range.endOffset;

  assert_equals(range.collapsed, range.startContainer == range.endContainer

    && range.startOffset == range.endOffset,

    "collapsed must be true if and only if the start and end are equal");

  if (toStart === undefined) {

    range.collapse();

  } else {

    range.collapse(toStart);

  assert_equals(range.startContainer, expectedContainer,

    "Wrong startContainer");

  assert_equals(range.endContainer, expectedContainer,

    "Wrong endContainer");

  assert_equals(range.startOffset, expectedOffset,

    "Wrong startOffset");

  assert_equals(range.endOffset, expectedOffset,

    "Wrong endOffset");

  assert_true(range.collapsed,

    ".collapsed must be set after .collapsed()");

var tests = [];

for (var i = 0; i < testRanges.length; i++) {

  tests.push([

    "Range " + i + " " + testRanges[i] + ", toStart true",

    eval(testRanges[i]),

    true

]);

  tests.push([

    "Range " + i + " " + testRanges[i] + ", toStart false",

    eval(testRanges[i]),

    false

]);

  tests.push([

    "Range " + i + " " + testRanges[i] + ", toStart omitted",

    eval(testRanges[i]),

    undefined

]);

generate_tests(testCollapse, tests);

testDiv.style.display = "none";

</script>