1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/non-extensible-elements8.js b/js/src/jit-test/tests/basic/non-extensible-elements8.js
new file mode 100644
index 0000000000..6139cac32a
--- /dev/null
+++ b/js/src/jit-test/tests/basic/non-extensible-elements8.js
@@ -0,0 +1,43 @@
+function testSealNonExtensibleArray() {
+    var obj = Object.preventExtensions([0]);
+    var desc = {value: 0, writable: true, enumerable: true, configurable: true};
+
+    var errorAt = -1;
+    var N = 100;
+
+    for (var i = 0; i <= N; ++i) {
+        if (i === N) {
+            Object.seal(obj);
+        }
+        try {
+            Object.defineProperty(obj, 0, desc);
+        } catch {
+            errorAt = i;
+        }
+    }
+    assertEq(errorAt, N);
+}
+for (var i = 0; i < 15; i++)
+    testSealNonExtensibleArray();
+
+function testSealNonExtensibleObject() {
+    var obj = Object.preventExtensions({0:1});
+    var desc = {value: 0, writable: true, enumerable: true, configurable: true};
+
+    var errorAt = -1;
+    var N = 100;
+
+    for (var i = 0; i <= N; ++i) {
+        if (i === N) {
+            Object.seal(obj);
+        }
+        try {
+            Object.defineProperty(obj, 0, desc);
+        } catch {
+            errorAt = i;
+        }
+    }
+    assertEq(errorAt, N);
+}
+for (var i = 0; i < 15; i++)
+    testSealNonExtensibleObject();