1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/tests/non262/TypedArray/has-property-op.js b/js/src/tests/non262/TypedArray/has-property-op.js
new file mode 100644
index 0000000000..7ae70ef36d
--- /dev/null
+++ b/js/src/tests/non262/TypedArray/has-property-op.js
@@ -0,0 +1,22 @@
+for (var constructor of anyTypedArrayConstructors) {
+    var obj = new constructor(5);
+
+    for (var i = 0; i < obj.length; i++)
+        assertEq(i in obj, true);
+
+    for (var v of [20, 300, -1, 5, -10, Math.pow(2, 32) - 1, -Math.pow(2, 32)])
+        assertEq(v in obj, false);
+
+    // Don't inherit elements
+    obj.__proto__[50] = "hello";
+    assertEq(obj.__proto__[50], "hello");
+    assertEq(50 in obj, false);
+
+    // Do inherit normal properties
+    obj.__proto__.a = "world";
+    assertEq(obj.__proto__.a, "world");
+    assertEq("a" in obj, true);
+}
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);