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- <!doctype html>
- <meta charset=utf-8>
- <title>Test for bug 780993</title>
- <script src=/resources/testharness.js></script>
- <script src=/resources/testharnessreport.js></script>
- <div id=log></div>
- <script>
- test(function() {
- var select = document.createElement("select");
- var option = document.createElement("option");
- select.appendChild(option);
- assert_equals(select.options[0], option);
- select.options[0] = null;
- assert_equals(option.parentNode, null);
- assert_equals(select.options[0], undefined);
- }, "Should be able to set select.options[n] to null.");
- test(function() {
- var select = document.createElement("select");
- var option = document.createElement("option");
- var option2 = document.createElement("option");
- select.appendChild(option);
- assert_equals(select.options[0], option);
- select.options[0] = option2;
- assert_equals(option.parentNode, null);
- assert_equals(option2.parentNode, select);
- assert_equals(select.options[0], option2);
- }, "Should be able to set select.options[n] to an option element");
- test(function() {
- var select = document.createElement("select");
- var option = document.createElement("option");
- select.appendChild(option);
- assert_equals(select.options[0], option);
- assert_throws(null, function() {
- select.options[0] = 42;
- });
- assert_equals(option.parentNode, select);
- assert_equals(select.options[0], option);
- }, "Should not be able to set select.options[n] to a primitive.");
- </script>
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