42 lines
1.6 KiB
HTML
42 lines
1.6 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title>Document.createTreeWalker</title>
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<script src=/resources/testharness.js></script>
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<script src=/resources/testharnessreport.js></script>
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<div id=log></div>
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<script>
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test(function() {
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assert_throws_js(TypeError, function() {
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document.createTreeWalker();
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});
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}, "Required arguments to createTreeWalker should be required.");
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test(function() {
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var tw = document.createTreeWalker(document.body);
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assert_equals(tw.root, document.body);
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assert_equals(tw.currentNode, document.body);
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assert_equals(tw.whatToShow, 0xFFFFFFFF);
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assert_equals(tw.filter, null);
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}, "Optional arguments to createTreeWalker should be optional (1 passed).");
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test(function() {
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var tw = document.createTreeWalker(document.body, 42);
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assert_equals(tw.root, document.body);
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assert_equals(tw.currentNode, document.body);
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assert_equals(tw.whatToShow, 42);
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assert_equals(tw.filter, null);
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}, "Optional arguments to createTreeWalker should be optional (2 passed).");
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test(function() {
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var tw = document.createTreeWalker(document.body, 42, null);
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assert_equals(tw.root, document.body);
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assert_equals(tw.currentNode, document.body);
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assert_equals(tw.whatToShow, 42);
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assert_equals(tw.filter, null);
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}, "Optional arguments to createTreeWalker should be optional (3 passed, null).");
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test(function() {
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var fn = function() {};
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var tw = document.createTreeWalker(document.body, 42, fn);
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assert_equals(tw.root, document.body);
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assert_equals(tw.currentNode, document.body);
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assert_equals(tw.whatToShow, 42);
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assert_equals(tw.filter, fn);
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}, "Optional arguments to createTreeWalker should be optional (3 passed, function).");
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</script>
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