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Bug 768765 isn't enough for fix. Since Selection::GetAnchorFocusRange can return nullptr, we should consider this condition. And I cannot reproduce this using crash test, so I add mochitest for this. MozReview-Commit-ID: 8Ei5YBIBuWv --HG-- extra : rebase_source : cd11517f73179d949479716a83baec0e1f492eca
51 lines
1.4 KiB
HTML
51 lines
1.4 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>Test for Bug 1361052</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1361052">Mozilla Bug 1361052</a>
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<p id="display"></p>
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<div id="content" style="display: none">
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</div>
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<pre id="test">
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<script class="testbody" type="application/javascript">
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SimpleTest.waitForExplicitFinish();
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SimpleTest.waitForFocus(() => {
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var strike = document.createElement('strike');
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strike.contentEditable = true;
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document.documentElement.appendChild(strike);
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var textarea = document.createElement('textarea');
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document.documentElement.appendChild(textarea);
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var h5 = document.createElement('h5');
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strike.appendChild(h5);
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textarea.setCustomValidity("A");
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document.documentElement.dir = "rtl";
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document.designMode = "on";
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document.execCommand("styleWithCSS", false, true);
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document.designMode = "off";
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textarea.reportValidity();
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document.documentElement.dir = "ltr";
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var range = document.createRange();
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range.selectNode(h5);
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window.getSelection().addRange(range);
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document.execCommand("inserthorizontalrule", false, null);
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ok(true, "No crash");
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SimpleTest.finish();
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});
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</script>
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</pre>
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</body>
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</html>
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