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-rw-r--r--testing/web-platform/tests/html/select/options-length-too-large.html50
1 files changed, 50 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/select/options-length-too-large.html b/testing/web-platform/tests/html/select/options-length-too-large.html
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index 0000000000..7ce33ffad4
--- /dev/null
+++ b/testing/web-platform/tests/html/select/options-length-too-large.html
@@ -0,0 +1,50 @@
+<!DOCTYPE html>
+<html>
+ <head>
+ <meta charset="utf-8">
+ <meta name="timeout" content="long">
+ <title>select options.length too large</title>
+
+ <script src="/resources/testharness.js"></script>
+ <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body>
+ <select id="test">
+ <option value="1"></option>
+ <option value="2"></option>
+ <option value="3"></option>
+ </select>
+
+ <script>
+ var mySelect = document.getElementById("test");
+
+ test(function() {
+ mySelect.options.length = -1;
+ assert_equals(mySelect.options.length, 3, "Length of <select> should remain unchanged");
+ });
+
+ test(function() {
+ mySelect.options.length = 100001;
+ assert_equals(mySelect.options.length, 3, "Length of <select> should remain unchanged");
+ });
+
+ test(function() {
+ mySelect.options.length = Number.MAX_SAFE_INTEGER;
+ assert_equals(mySelect.options.length, 3, "Length of <select> should remain unchanged");
+ });
+
+ test(function() {
+ mySelect.options.length = 100000;
+ assert_equals(mySelect.options.length, 100000, "Length of <select> should be 100,000");
+ });
+
+ test(function() {
+ mySelect.appendChild(new Option());
+ mySelect.appendChild(new Option());
+ assert_equals(mySelect.options.length, 100002, "Manual expansion still works");
+ mySelect.options.length = 100001;
+ assert_equals(mySelect.options.length, 100001, "Truncation works if over the limit");
+ });
+ </script>
+ </body>
+</html>