Add m-esr52 at 52.6.0

1 files changed, 30 insertions, 0 deletions

diff --git a/js/src/tests/ecma_6/Symbol/species.js b/js/src/tests/ecma_6/Symbol/species.js
new file mode 100644
index 000000000..ba45066e1
--- /dev/null
+++ b/js/src/tests/ecma_6/Symbol/species.js
@@ -0,0 +1,30 @@
+var BUGNUMBER = 1131043;
+var summary = "Implement @@species getter for builtin types";
+
+print(BUGNUMBER + ": " + summary);
+
+var TypedArray = Object.getPrototypeOf(Int8Array);
+
+for (var C of [Array, Map, Set, RegExp,
+               Int8Array, Uint8Array, Uint8ClampedArray,
+               Int16Array, Uint16Array, Int32Array, Uint32Array,
+               Float32Array, Float64Array,
+               ArrayBuffer]) {
+  assertEq(C[Symbol.species], C);
+}
+
+for (C of [Array, Map, Set, RegExp,
+           TypedArray,
+           ArrayBuffer]) {
+  var desc = Object.getOwnPropertyDescriptor(C, Symbol.species);
+  assertDeepEq(Object.keys(desc).sort(), ["configurable", "enumerable", "get", "set"]);
+  assertEq(desc.set, undefined);
+  assertEq(desc.enumerable, false);
+  assertEq(desc.configurable, true);
+  assertEq(desc.get.apply(null), null);
+  assertEq(desc.get.apply(undefined), undefined);
+  assertEq(desc.get.apply(42), 42);
+}
+
+if (typeof reportCompare === "function")
+    reportCompare(0, 0);