30 lines
1.1 KiB
HTML
30 lines
1.1 KiB
HTML
<!doctype html>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<iframe id="i" src="/common/blank.html"></iframe>
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<script>
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promise_test(async t => {
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// Wait for after the load event so that the navigation doesn't get converted
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// into a replace navigation.
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await new Promise(resolve => window.onload = () => t.step_timeout(resolve, 0));
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let i_navigation = i.contentWindow.navigation;
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await i_navigation.navigate("#1").finished;
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await i_navigation.navigate("#2").finished;
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await i_navigation.back().finished;
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assert_not_equals(i_navigation, null);
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assert_not_equals(i_navigation.currentEntry, null);
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assert_equals(i_navigation.entries().length, 3);
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assert_true(i_navigation.canGoBack, "canGoBack");
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assert_true(i_navigation.canGoForward, "canGoForward");
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i.remove();
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assert_equals(i_navigation.currentEntry, null);
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assert_equals(i_navigation.entries().length, 0);
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assert_false(i_navigation.canGoBack);
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assert_false(i_navigation.canGoForward);
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}, "navigation.currentEntry/entries()/canGoBack/canGoForward after iframe removal");
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</script>
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