Add m-esr52 at 52.6.0

1 files changed, 22 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/TypedObject/common-array-prototypes.js b/js/src/jit-test/tests/TypedObject/common-array-prototypes.js
new file mode 100644
index 000000000..cc7db5aaf
--- /dev/null
+++ b/js/src/jit-test/tests/TypedObject/common-array-prototypes.js
@@ -0,0 +1,22 @@
+
+if (typeof TypedObject === "undefined")
+    quit();
+
+// Test the relationships between prototypes for array typed objects.
+
+var arrA = new TypedObject.ArrayType(TypedObject.int32, 10);
+var arrB = new TypedObject.ArrayType(TypedObject.int32, 20);
+var arrC = new TypedObject.ArrayType(TypedObject.int8, 10);
+
+assertEq(arrA.prototype == arrB.prototype, true);
+assertEq(arrA.prototype == arrC.prototype, false);
+assertEq(Object.getPrototypeOf(arrA.prototype) == Object.getPrototypeOf(arrC.prototype), true);
+assertEq(Object.getPrototypeOf(arrA.prototype) == TypedObject.ArrayType.prototype.prototype, true);
+
+var instanceA = new arrA();
+var instanceB = new arrB();
+var instanceC = new arrC();
+
+assertEq(Object.getPrototypeOf(instanceA) == arrA.prototype, true);
+assertEq(Object.getPrototypeOf(instanceB) == arrB.prototype, true);
+assertEq(Object.getPrototypeOf(instanceC) == arrC.prototype, true);