1 files changed, 65 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/non-extensible-elements3.js b/js/src/jit-test/tests/basic/non-extensible-elements3.js
new file mode 100644
index 0000000000..eed7e0c1bd
--- /dev/null
+++ b/js/src/jit-test/tests/basic/non-extensible-elements3.js
@@ -0,0 +1,65 @@
+function testAdd() {
+    var a = [];
+    Object.preventExtensions(a);
+    for (var i = 0; i < 20; i++)
+        a[i] = i;
+    assertEq(a.length, 0);
+
+    a = [];
+    Object.seal(a);
+    for (var i = 0; i < 20; i++)
+        a[i] = i;
+    assertEq(a.length, 0);
+
+    a = [];
+    Object.freeze(a);
+    for (var i = 0; i < 20; i++)
+        a[i] = i;
+    assertEq(a.length, 0);
+}
+testAdd();
+testAdd();
+
+function testSet() {
+    var a = [1, 2, 3];
+    Object.preventExtensions(a);
+    for (var i = 0; i < 20; i++)
+        a[2] = i;
+    assertEq(a.toString(), "1,2,19");
+
+    a = [1, 2, 3];
+    Object.seal(a);
+    for (var i = 0; i < 20; i++)
+        a[0] = i;
+    assertEq(a.toString(), "19,2,3");
+
+    a = [1, 2, 3];
+    Object.freeze(a);
+    for (var i = 0; i < 20; i++)
+        a[1] = i;
+    assertEq(a.toString(), "1,2,3");
+}
+testSet();
+testSet();
+
+function testSetHole() {
+    var a = [1, , 3];
+    Object.preventExtensions(a);
+    for (var i = 0; i < 30; i++)
+        a[1] = i;
+    assertEq(a.toString(), "1,,3");
+
+    a = [1, , 3];
+    Object.seal(a);
+    for (var i = 0; i < 30; i++)
+        a[1] = i;
+    assertEq(a.toString(), "1,,3");
+
+    a = [1, , 3];
+    Object.freeze(a);
+    for (var i = 0; i < 30; i++)
+        a[1] = i;
+    assertEq(a.toString(), "1,,3");
+}
+testSetHole();
+testSetHole();