Add m-esr52 at 52.6.0

1 files changed, 48 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/collections/Map-surfaces-1.js b/js/src/jit-test/tests/collections/Map-surfaces-1.js
new file mode 100644
index 000000000..827dd7b1e
--- /dev/null
+++ b/js/src/jit-test/tests/collections/Map-surfaces-1.js
@@ -0,0 +1,48 @@
+// Map surfaces
+
+load(libdir + "iteration.js");
+
+var desc = Object.getOwnPropertyDescriptor(this, "Map");
+assertEq(desc.enumerable, false);
+assertEq(desc.configurable, true);
+assertEq(desc.writable, true);
+
+assertEq(typeof Map, 'function');
+assertEq(Object.keys(Map).length, 0);
+assertEq(Map.length, 0);
+assertEq(Map.name, "Map");
+
+assertEq(Object.getPrototypeOf(Map.prototype), Object.prototype);
+assertEq(Object.prototype.toString.call(Map.prototype), "[object Map]");
+assertEq(Object.prototype.toString.call(new Map()), "[object Map]");
+assertEq(Object.keys(Map.prototype).join(), "");
+assertEq(Map.prototype.constructor, Map);
+
+function checkMethod(name, arity) { 
+    var desc = Object.getOwnPropertyDescriptor(Map.prototype, name);
+    assertEq(desc.enumerable, false);
+    assertEq(desc.configurable, true);
+    assertEq(desc.writable, true);
+    assertEq(typeof desc.value, 'function');
+    assertEq(desc.value.name, name);
+    assertEq(desc.value.length, arity);
+}
+
+checkMethod("get", 1);
+checkMethod("has", 1);
+checkMethod("set", 2);
+checkMethod("delete", 1);
+checkMethod("keys", 0);
+checkMethod("values", 0);
+checkMethod("entries", 0);
+
+var desc = Object.getOwnPropertyDescriptor(Map.prototype, "size");
+assertEq(desc.enumerable, false);
+assertEq(desc.configurable, true);
+assertEq(typeof desc.get, 'function');
+assertEq(desc.get.length, 0);
+assertEq(desc.set, undefined);
+checkMethod("clear", 0);
+
+// Map.prototype[@@iterator] and .entries are the same function object.
+assertEq(Map.prototype[Symbol.iterator], Map.prototype.entries);