зеркало из https://github.com/mozilla/gecko-dev.git
40 строки
1.4 KiB
HTML
40 строки
1.4 KiB
HTML
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<!doctype html>
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<meta charset=utf-8>
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<title>Test for bug 780993</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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var select = document.createElement("select");
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var option = document.createElement("option");
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select.appendChild(option);
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assert_equals(select.options[0], option);
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select.options[0] = null;
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assert_equals(option.parentNode, null);
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assert_equals(select.options[0], undefined);
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}, "Should be able to set select.options[n] to null.");
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test(function() {
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var select = document.createElement("select");
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var option = document.createElement("option");
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var option2 = document.createElement("option");
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select.appendChild(option);
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assert_equals(select.options[0], option);
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select.options[0] = option2;
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assert_equals(option.parentNode, null);
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assert_equals(option2.parentNode, select);
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assert_equals(select.options[0], option2);
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}, "Should be able to set select.options[n] to an option element");
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test(function() {
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var select = document.createElement("select");
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var option = document.createElement("option");
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select.appendChild(option);
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assert_equals(select.options[0], option);
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assert_throws(null, function() {
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select.options[0] = 42;
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});
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assert_equals(option.parentNode, select);
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assert_equals(select.options[0], option);
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}, "Should not be able to set select.options[n] to a primitive.");
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</script>
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