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-rw-r--r--js/src/jit-test/tests/collections/Map-surfaces-2.js30
1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Map-surfaces-2.js b/js/src/jit-test/tests/collections/Map-surfaces-2.js
new file mode 100644
index 000000000..5333f719d
--- /dev/null
+++ b/js/src/jit-test/tests/collections/Map-surfaces-2.js
@@ -0,0 +1,30 @@
+// Map methods throw when passed a this-value that isn't a Map.
+
+load(libdir + "asserts.js");
+
+function testcase(obj, fn) {
+ assertEq(typeof fn, "function");
+ var args = Array.slice(arguments, 2);
+ assertThrowsInstanceOf(function () { fn.apply(obj, args); }, TypeError);
+}
+
+var Map_size_getter = Object.getOwnPropertyDescriptor(Map.prototype, "size").get;
+
+function test(obj) {
+ testcase(obj, Map.prototype.get, "x");
+ testcase(obj, Map.prototype.has, "x");
+ testcase(obj, Map.prototype.set, "x", 1);
+ testcase(obj, Map.prototype.delete, "x");
+ testcase(obj, Map.prototype.clear);
+ testcase(obj, Map.prototype.keys);
+ testcase(obj, Map.prototype.values);
+ testcase(obj, Map.prototype.entries);
+ testcase(obj, Map_size_getter);
+}
+
+test(Map.prototype);
+test(Object.create(new Map));
+test(new Set());
+test({});
+test(null);
+test(undefined);