Index setter of HTMLSelectElement and HTMLOptionsCollection should do nothing if the requested size…

LayoutTests/fast/forms/select-max-length.html

Index: LayoutTests/fast/forms/select-max-length.html
diff --git a/LayoutTests/fast/forms/select-max-length.html b/LayoutTests/fast/forms/select-max-length.html
index 443cc5100630c0dfba9769810d2067bc1661e778..f18c83f8be9aaa4cc7b122c7bae6b24d15b091f2 100644
--- a/LayoutTests/fast/forms/select-max-length.html
+++ b/LayoutTests/fast/forms/select-max-length.html
@@ -1,28 +1,24 @@
 <p>This test that setting HTMLSelectElement.length is capped to 10,000, but that you can add additional Option elements by calling add.</p>
-<pre id="console"></pre>
+<div id="console"></div>
 <select id="theSelect"></select>
-
+<script src="../../resources/js-test.js"></script>
 <script>
-    if (window.testRunner)
-        testRunner.dumpAsText();
-
-    function log(msg)
-    {
-        document.getElementById("console").appendChild(document.createTextNode(msg + "\n"));
-    }
-
     var sel = document.getElementById('theSelect');
-    log("Select length is " + sel.length);
+    shouldBe('sel.length', '0');
 
-    log("Trying: - sel.length = 20000;");
+    debug('Trying: - sel.length = 20000;');
     sel.length = 20000;
-    log("Select length is " + sel.length);
+    shouldBe('sel.length', '0');
 
-    log("Trying: - sel.add(new Option, 0);");
+    debug('Trying: - sel.add(new Option, 0);');
     sel.add(new Option, 0);
-    log("Select length is " + sel.length);
+    shouldBe('sel.length', '1');
 
-    log("Trying: - sel.length = 0;");
+    debug('Trying: - sel.length = 0;');
     sel.length = 0;
-    log("Select length is " + sel.length);
+    shouldBe('sel.length', '0');
+
+    debug('Index setter:');
+    shouldBe('sel[20000] = new Option(); sel.length', '0');
+    shouldBe('sel.options[20000] = new Option(); sel.length', '0');
 </script>