The Tor Browser: dom/imptests/editing/selecttest/test

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 <!doctype html>

     2 <title>Selection.collapse() tests</title>

     3 <div id=log></div>

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

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

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

     7 <script>

     8 "use strict";

    10 function testCollapse(range, point) {

    11 	selection.removeAllRanges();

    12 	var addedRange;

    13 	if (range) {

    14 		addedRange = range.cloneRange();

    15 		selection.addRange(addedRange);

    16 	}

    18 	if (point[0].nodeType == Node.DOCUMENT_TYPE_NODE) {

    19 		assert_throws("INVALID_NODE_TYPE_ERR", function() {

    20 			selection.collapse(point[0], point[1]);

    21 		}, "Must throw INVALID_NODE_TYPE_ERR when collapse()ing if the node is a DocumentType");

    22 		return;

    23 	}

    25 	if (point[1] < 0 || point[1] > getNodeLength(point[0])) {

    26 		assert_throws("INDEX_SIZE_ERR", function() {

    27 			selection.collapse(point[0], point[1]);

    28 		}, "Must throw INDEX_SIZE_ERR when collapse()ing if the offset is negative or greater than the node's length");

    29 		return;

    30 	}

    32 	selection.collapse(point[0], point[1]);

    34 	assert_equals(selection.rangeCount, 1,

    35 		"selection.rangeCount must equal 1 after collapse()");

    36 	assert_equals(selection.focusNode, point[0],

    37 		"focusNode must equal the node we collapse()d to");

    38 	assert_equals(selection.focusOffset, point[1],

    39 		"focusOffset must equal the offset we collapse()d to");

    40 	assert_equals(selection.focusNode, selection.anchorNode,

    41 		"focusNode and anchorNode must be equal after collapse()");

    42 	assert_equals(selection.focusOffset, selection.anchorOffset,

    43 		"focusOffset and anchorOffset must be equal after collapse()");

    44 	if (range) {

    45 		assert_equals(addedRange.startContainer, range.startContainer,

    46 			"collapse() must not change the startContainer of a preexisting Range");

    47 		assert_equals(addedRange.endContainer, range.endContainer,

    48 			"collapse() must not change the endContainer of a preexisting Range");

    49 		assert_equals(addedRange.startOffset, range.startOffset,

    50 			"collapse() must not change the startOffset of a preexisting Range");

    51 		assert_equals(addedRange.endOffset, range.endOffset,

    52 			"collapse() must not change the endOffset of a preexisting Range");

    53 	}

    54 }

    56 // Also test a selection with no ranges

    57 testRanges.unshift("[]");

    59 // Don't want to eval() each point a bazillion times

    60 var testPointsCached = [];

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

    62 	testPointsCached.push(eval(testPoints[i]));

    63 }

    65 var tests = [];

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

    67 	var endpoints = eval(testRanges[i]);

    68 	var range;

    69 	test(function() {

    70 		if (endpoints.length) {

    71 			range = ownerDocument(endpoints[0]).createRange();

    72 			range.setStart(endpoints[0], endpoints[1]);

    73 			range.setEnd(endpoints[2], endpoints[3]);

    74 		} else {

    75 			// Empty selection

    76 			range = null;

    77 		}

    78 	}, "Set up range " + i + " " + testRanges[i]);

    79 	for (var j = 0; j < testPoints.length; j++) {

    80 		tests.push(["Range " + i + " " + testRanges[i] + ", point " + j + " " + testPoints[j], range, testPointsCached[j]]);

    81 	}

    82 }

    84 generate_tests(testCollapse, tests);

    86 testDiv.style.display = "none";

    87 </script>

The Tor Browser / file revision