mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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161 lines
6.3 KiB
HTML
161 lines
6.3 KiB
HTML
<!doctype html>
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<title>getSelection() tests</title>
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<div id=log></div>
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<script src=/resources/testharness.js></script>
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<script src=/resources/testharnessreport.js></script>
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<script>
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"use strict";
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// TODO: Figure out more places where defaultView is or is not guaranteed to be
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// null, and test whether getSelection() is null.
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//
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// TODO: Figure out a good way to test display: none iframes.
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test(function() {
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// Sanity checks like this are to flag known browser bugs with clearer
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// error messages, instead of throwing inscrutable exceptions.
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assert_true("Selection" in window,
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"Sanity check: window must have Selection property");
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assert_true(window.getSelection() instanceof Selection);
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}, "window.getSelection() instanceof Selection");
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test(function() {
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assert_equals(window.getSelection(), window.getSelection());
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}, "window.getSelection() === window.getSelection()");
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test(function() {
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assert_true("Selection" in window,
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"Sanity check: window must have Selection property");
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// This sanity check (which occurs a number of times below, too) is because
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// document.getSelection() is supposed to return null if defaultView is
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// null, so we need to figure out whether defaultView is null or not before
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// we can make correct assertions about getSelection().
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assert_not_equals(document.defaultView, null,
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"Sanity check: document.defaultView must not be null");
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assert_equals(typeof document.getSelection(), "object",
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"document.getSelection() must be an object");
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assert_true(document.getSelection() instanceof Selection);
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}, "document.getSelection() instanceof Selection");
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test(function() {
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assert_not_equals(document.defaultView, null,
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"Sanity check: document.defaultView must not be null");
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assert_equals(document.getSelection(), document.getSelection());
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}, "document.getSelection() === document.getSelection()");
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test(function() {
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assert_not_equals(document.defaultView, null,
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"Sanity check: document.defaultView must not be null");
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assert_equals(window.getSelection(), document.getSelection());
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}, "window.getSelection() === document.getSelection()");
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// "Each selection is associated with a single range, which may be null and is
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// initially null."
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//
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// "The rangeCount attribute must return 0 if the context object's range is
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// null, otherwise 1."
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test(function() {
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assert_equals(window.getSelection().rangeCount, 0,
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"window.getSelection().rangeCount must initially be 0");
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assert_equals(typeof document.getSelection(), "object",
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"Sanity check: document.getSelection() must be an object");
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assert_equals(document.getSelection().rangeCount, 0,
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"document.getSelection().rangeCount must initially be 0");
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}, "Selection's range must initially be null");
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test(function() {
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var doc = document.implementation.createHTMLDocument("");
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assert_equals(doc.defaultView, null,
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"Sanity check: defaultView of created HTML document must be null");
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assert_equals(doc.getSelection(), null);
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}, "getSelection() on HTML document with null defaultView must be null");
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test(function() {
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var xmlDoc = document.implementation.createDocument(null, "", null);
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assert_true("getSelection" in xmlDoc, "XML document must have getSelection()");
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assert_equals(xmlDoc.defaultView, null,
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"Sanity check: defaultView of created XML document must be null");
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assert_equals(xmlDoc.getSelection(), null);
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}, "getSelection() on XML document with null defaultView must be null");
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// Run a bunch of iframe tests, once immediately after the iframe is appended
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// to the document and once onload. This makes a difference, because browsers
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// differ (at the time of this writing) in whether they load about:blank in
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// iframes synchronously or not. Per the HTML spec, there must be a browsing
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// context associated with the iframe as soon as it's appended to the document,
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// so there should be a selection too.
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var iframe = document.createElement("iframe");
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add_completion_callback(function() {
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document.body.removeChild(iframe);
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});
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var testDescs = [];
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var testFuncs = [];
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testDescs.push("window.getSelection() instanceof Selection in an iframe");
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testFuncs.push(function() {
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assert_true("Selection" in iframe.contentWindow,
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"Sanity check: window must have Selection property");
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assert_not_equals(iframe.contentWindow.document.defaultView, null,
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"Sanity check: document.defaultView must not be null");
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assert_not_equals(iframe.contentWindow.getSelection(), null,
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"window.getSelection() must not be null");
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assert_true(iframe.contentWindow.getSelection() instanceof iframe.contentWindow.Selection);
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});
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testDescs.push("document.getSelection() instanceof Selection in an iframe");
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testFuncs.push(function() {
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assert_true("Selection" in iframe.contentWindow,
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"Sanity check: window must have Selection property");
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assert_not_equals(iframe.contentDocument.defaultView, null,
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"Sanity check: document.defaultView must not be null");
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assert_not_equals(iframe.contentDocument.getSelection(), null,
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"document.getSelection() must not be null");
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assert_equals(typeof iframe.contentDocument.getSelection(), "object",
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"document.getSelection() must be an object");
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assert_true(iframe.contentDocument.getSelection() instanceof iframe.contentWindow.Selection);
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});
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testDescs.push("window.getSelection() === document.getSelection() in an iframe");
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testFuncs.push(function() {
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assert_not_equals(iframe.contentDocument.defaultView, null,
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"Sanity check: document.defaultView must not be null");
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assert_equals(iframe.contentWindow.getSelection(), iframe.contentDocument.getSelection());
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});
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testDescs.push("getSelection() inside and outside iframe must return different objects");
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testFuncs.push(function() {
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assert_not_equals(iframe.contentWindow.getSelection(), getSelection());
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});
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testDescs.push("getSelection() on HTML document with null defaultView must be null inside an iframe");
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testFuncs.push(function() {
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var doc = iframe.contentDocument.implementation.createHTMLDocument("");
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assert_equals(doc.defaultView, null,
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"Sanity check: defaultView of created HTML document must be null");
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assert_equals(doc.getSelection(), null);
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});
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var asyncTests = [];
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testDescs.forEach(function(desc) {
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asyncTests.push(async_test(desc + " onload"));
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});
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iframe.onload = function() {
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asyncTests.forEach(function(t, i) {
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t.step(testFuncs[i]);
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t.done();
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});
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};
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document.body.appendChild(iframe);
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testDescs.forEach(function(desc, i) {
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test(testFuncs[i], desc + " immediately after appendChild");
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});
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</script>
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