mozilla-central/testing/web-platform/tests/dom/ranges/Range-selectNode.html

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<!doctype html>
<title>Range.selectNode() and .selectNodeContents() 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 testSelectNode(range, node) {
try {
range.collapsed;
} catch (e) {
// Range is detached
assert_throws_dom("INVALID_STATE_ERR", function () {
range.selectNode(node);
}, "selectNode() on a detached node must throw INVALID_STATE_ERR");
assert_throws_dom("INVALID_STATE_ERR", function () {
range.selectNodeContents(node);
}, "selectNodeContents() on a detached node must throw INVALID_STATE_ERR");
return;
}
if (!node.parentNode) {
assert_throws_dom("INVALID_NODE_TYPE_ERR", function() {
range.selectNode(node);
}, "selectNode() on a node with no parent must throw INVALID_NODE_TYPE_ERR");
} else {
var index = 0;
while (node.parentNode.childNodes[index] != node) {
index++;
}
range.selectNode(node);
assert_equals(range.startContainer, node.parentNode,
"After selectNode(), startContainer must equal parent node");
assert_equals(range.endContainer, node.parentNode,
"After selectNode(), endContainer must equal parent node");
assert_equals(range.startOffset, index,
"After selectNode(), startOffset must be index of node in parent (" + index + ")");
assert_equals(range.endOffset, index + 1,
"After selectNode(), endOffset must be one plus index of node in parent (" + (index + 1) + ")");
}
if (node.nodeType == Node.DOCUMENT_TYPE_NODE) {
assert_throws_dom("INVALID_NODE_TYPE_ERR", function () {
range.selectNodeContents(node);
}, "selectNodeContents() on a doctype must throw INVALID_NODE_TYPE_ERR");
} else {
range.selectNodeContents(node);
assert_equals(range.startContainer, node,
"After selectNodeContents(), startContainer must equal node");
assert_equals(range.endContainer, node,
"After selectNodeContents(), endContainer must equal node");
assert_equals(range.startOffset, 0,
"After selectNodeContents(), startOffset must equal 0");
var len = nodeLength(node);
assert_equals(range.endOffset, len,
"After selectNodeContents(), endOffset must equal node length (" + len + ")");
}
}
var range = document.createRange();
var foreignRange = foreignDoc.createRange();
var xmlRange = xmlDoc.createRange();
var detachedRange = document.createRange();
detachedRange.detach();
var tests = [];
function testTree(root, marker) {
if (root.nodeType == Node.ELEMENT_NODE && root.id == "log") {
// This is being modified during the tests, so let's not test it.
return;
}
tests.push([marker + ": " + root.nodeName.toLowerCase() + " node, current doc's range, type " + root.nodeType, range, root]);
tests.push([marker + ": " + root.nodeName.toLowerCase() + " node, foreign doc's range, type " + root.nodeType, foreignRange, root]);
tests.push([marker + ": " + root.nodeName.toLowerCase() + " node, XML doc's range, type " + root.nodeType, xmlRange, root]);
tests.push([marker + ": " + root.nodeName.toLowerCase() + " node, detached range, type " + root.nodeType, detachedRange, root]);
for (var i = 0; i < root.childNodes.length; i++) {
testTree(root.childNodes[i], marker + "[" + i + "]");
}
}
testTree(document, "current doc");
testTree(foreignDoc, "foreign doc");
testTree(detachedDiv, "detached div in current doc");
var otherTests = ["xmlDoc", "xmlElement", "detachedTextNode",
"foreignTextNode", "xmlTextNode", "processingInstruction", "comment",
"foreignComment", "xmlComment", "docfrag", "foreignDocfrag", "xmlDocfrag"];
for (var i = 0; i < otherTests.length; i++) {
testTree(window[otherTests[i]], otherTests[i]);
}
generate_tests(testSelectNode, tests);
testDiv.style.display = "none";
</script>