28 lines
1.3 KiB
HTML
28 lines
1.3 KiB
HTML
<!doctype html>
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<title>Selection Document.open() 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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const iframe = document.createElement("iframe");
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async_test(t => {
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iframe.onload = t.step_func_done(() => {
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const originalSelection = iframe.contentWindow.getSelection();
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assert_equals(originalSelection.rangeCount, 0, "rangeCount must initially be 0");
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iframe.contentDocument.body.appendChild(iframe.contentDocument.createTextNode("foo"));
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const range = iframe.contentDocument.createRange();
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range.selectNodeContents(iframe.contentDocument.body);
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iframe.contentWindow.getSelection().addRange(range);
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assert_equals(originalSelection.rangeCount, 1, "rangeCount must be 1 after adding a range");
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iframe.contentDocument.open();
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assert_equals(iframe.contentWindow.getSelection(), originalSelection, "After document.open(), the Selection object must be the same");
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assert_equals(iframe.contentWindow.getSelection().rangeCount, 1, "After document.open(), rangeCount must still be 1");
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document.body.removeChild(iframe);
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});
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document.body.appendChild(iframe);
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}, "Selection must not be replaced with a new object after document.open()");
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</script>
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