1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/imptests/editing/selecttest/test_getSelection.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,160 @@
1.4 +<!doctype html>
1.5 +<title>getSelection() tests</title>
1.6 +<div id=log></div>
1.7 +<script src=/resources/testharness.js></script>
1.8 +<script src=/resources/testharnessreport.js></script>
1.9 +<script>
1.10 +"use strict";
1.11 +
1.12 +// TODO: Figure out more places where defaultView is or is not guaranteed to be
1.13 +// null, and test whether getSelection() is null.
1.14 +//
1.15 +// TODO: Figure out a good way to test display: none iframes.
1.16 +
1.17 +test(function() {
1.18 + // Sanity checks like this are to flag known browser bugs with clearer
1.19 + // error messages, instead of throwing inscrutable exceptions.
1.20 + assert_true("Selection" in window,
1.21 + "Sanity check: window must have Selection property");
1.22 +
1.23 + assert_true(window.getSelection() instanceof Selection);
1.24 +}, "window.getSelection() instanceof Selection");
1.25 +
1.26 +test(function() {
1.27 + assert_equals(window.getSelection(), window.getSelection());
1.28 +}, "window.getSelection() === window.getSelection()");
1.29 +
1.30 +test(function() {
1.31 + assert_true("Selection" in window,
1.32 + "Sanity check: window must have Selection property");
1.33 + // This sanity check (which occurs a number of times below, too) is because
1.34 + // document.getSelection() is supposed to return null if defaultView is
1.35 + // null, so we need to figure out whether defaultView is null or not before
1.36 + // we can make correct assertions about getSelection().
1.37 + assert_not_equals(document.defaultView, null,
1.38 + "Sanity check: document.defaultView must not be null");
1.39 +
1.40 + assert_equals(typeof document.getSelection(), "object",
1.41 + "document.getSelection() must be an object");
1.42 + assert_true(document.getSelection() instanceof Selection);
1.43 +}, "document.getSelection() instanceof Selection");
1.44 +
1.45 +test(function() {
1.46 + assert_not_equals(document.defaultView, null,
1.47 + "Sanity check: document.defaultView must not be null");
1.48 + assert_equals(document.getSelection(), document.getSelection());
1.49 +}, "document.getSelection() === document.getSelection()");
1.50 +
1.51 +test(function() {
1.52 + assert_not_equals(document.defaultView, null,
1.53 + "Sanity check: document.defaultView must not be null");
1.54 + assert_equals(window.getSelection(), document.getSelection());
1.55 +}, "window.getSelection() === document.getSelection()");
1.56 +
1.57 +// "Each selection is associated with a single range, which may be null and is
1.58 +// initially null."
1.59 +//
1.60 +// "The rangeCount attribute must return 0 if the context object's range is
1.61 +// null, otherwise 1."
1.62 +test(function() {
1.63 + assert_equals(window.getSelection().rangeCount, 0,
1.64 + "window.getSelection().rangeCount must initially be 0");
1.65 + assert_equals(typeof document.getSelection(), "object",
1.66 + "Sanity check: document.getSelection() must be an object");
1.67 + assert_equals(document.getSelection().rangeCount, 0,
1.68 + "document.getSelection().rangeCount must initially be 0");
1.69 +}, "Selection's range must initially be null");
1.70 +
1.71 +test(function() {
1.72 + var doc = document.implementation.createHTMLDocument("");
1.73 + assert_equals(doc.defaultView, null,
1.74 + "Sanity check: defaultView of created HTML document must be null");
1.75 + assert_equals(doc.getSelection(), null);
1.76 +}, "getSelection() on HTML document with null defaultView must be null");
1.77 +
1.78 +test(function() {
1.79 + var xmlDoc = document.implementation.createDocument(null, "", null);
1.80 +
1.81 + assert_true("getSelection" in xmlDoc, "XML document must have getSelection()");
1.82 +
1.83 + assert_equals(xmlDoc.defaultView, null,
1.84 + "Sanity check: defaultView of created XML document must be null");
1.85 + assert_equals(xmlDoc.getSelection(), null);
1.86 +}, "getSelection() on XML document with null defaultView must be null");
1.87 +
1.88 +
1.89 +// Run a bunch of iframe tests, once immediately after the iframe is appended
1.90 +// to the document and once onload. This makes a difference, because browsers
1.91 +// differ (at the time of this writing) in whether they load about:blank in
1.92 +// iframes synchronously or not. Per the HTML spec, there must be a browsing
1.93 +// context associated with the iframe as soon as it's appended to the document,
1.94 +// so there should be a selection too.
1.95 +var iframe = document.createElement("iframe");
1.96 +add_completion_callback(function() {
1.97 + document.body.removeChild(iframe);
1.98 +});
1.99 +
1.100 +var testDescs = [];
1.101 +var testFuncs = [];
1.102 +testDescs.push("window.getSelection() instanceof Selection in an iframe");
1.103 +testFuncs.push(function() {
1.104 + assert_true("Selection" in iframe.contentWindow,
1.105 + "Sanity check: window must have Selection property");
1.106 + assert_not_equals(iframe.contentWindow.document.defaultView, null,
1.107 + "Sanity check: document.defaultView must not be null");
1.108 + assert_not_equals(iframe.contentWindow.getSelection(), null,
1.109 + "window.getSelection() must not be null");
1.110 + assert_true(iframe.contentWindow.getSelection() instanceof iframe.contentWindow.Selection);
1.111 +});
1.112 +
1.113 +testDescs.push("document.getSelection() instanceof Selection in an iframe");
1.114 +testFuncs.push(function() {
1.115 + assert_true("Selection" in iframe.contentWindow,
1.116 + "Sanity check: window must have Selection property");
1.117 + assert_not_equals(iframe.contentDocument.defaultView, null,
1.118 + "Sanity check: document.defaultView must not be null");
1.119 + assert_not_equals(iframe.contentDocument.getSelection(), null,
1.120 + "document.getSelection() must not be null");
1.121 + assert_equals(typeof iframe.contentDocument.getSelection(), "object",
1.122 + "document.getSelection() must be an object");
1.123 + assert_true(iframe.contentDocument.getSelection() instanceof iframe.contentWindow.Selection);
1.124 +});
1.125 +
1.126 +testDescs.push("window.getSelection() === document.getSelection() in an iframe");
1.127 +testFuncs.push(function() {
1.128 + assert_not_equals(iframe.contentDocument.defaultView, null,
1.129 + "Sanity check: document.defaultView must not be null");
1.130 + assert_equals(iframe.contentWindow.getSelection(), iframe.contentDocument.getSelection());
1.131 +});
1.132 +
1.133 +testDescs.push("getSelection() inside and outside iframe must return different objects");
1.134 +testFuncs.push(function() {
1.135 + assert_not_equals(iframe.contentWindow.getSelection(), getSelection());
1.136 +});
1.137 +
1.138 +testDescs.push("getSelection() on HTML document with null defaultView must be null inside an iframe");
1.139 +testFuncs.push(function() {
1.140 + var doc = iframe.contentDocument.implementation.createHTMLDocument("");
1.141 + assert_equals(doc.defaultView, null,
1.142 + "Sanity check: defaultView of created HTML document must be null");
1.143 + assert_equals(doc.getSelection(), null);
1.144 +});
1.145 +
1.146 +var asyncTests = [];
1.147 +testDescs.forEach(function(desc) {
1.148 + asyncTests.push(async_test(desc + " onload"));
1.149 +});
1.150 +
1.151 +iframe.onload = function() {
1.152 + asyncTests.forEach(function(t, i) {
1.153 + t.step(testFuncs[i]);
1.154 + t.done();
1.155 + });
1.156 +};
1.157 +
1.158 +document.body.appendChild(iframe);
1.159 +
1.160 +testDescs.forEach(function(desc, i) {
1.161 + test(testFuncs[i], desc + " immediately after appendChild");
1.162 +});
1.163 +</script>
