1 files changed, 52 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/WeakMap/iterator-items-keys-cannot-be-held-weakly.js b/js/src/tests/test262/built-ins/WeakMap/iterator-items-keys-cannot-be-held-weakly.js
new file mode 100644
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+++ b/js/src/tests/test262/built-ins/WeakMap/iterator-items-keys-cannot-be-held-weakly.js
@@ -0,0 +1,52 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-weakmap-iterable
+description: >
+  Throws a TypeError if keys in iterable items cannot be held weakly.
+info: |
+  WeakMap ( [ _iterable_ ] )
+  5. Let _adder_ be ? Get(_map_, *"set"*).
+  6. Return ? AddEntriesFromIterable(_map_, _iterable_, _adder_).
+
+  AddEntriesFromIterable:
+  3. Repeat,
+    i. Let _status_ be Completion(Call(_adder_, _target_, « _k_, _v_ »)).
+    j. IfAbruptCloseIterator(_status_, _iteratorRecord_).
+
+  WeakMap.prototype.set( _key_, _value_ ):
+  4. If CanBeHeldWeakly(_key_) is *false*, throw a *TypeError* exception.
+features: [Symbol, WeakMap]
+---*/
+
+assert.throws(TypeError, function() {
+  new WeakMap([1, 1]);
+});
+
+assert.throws(TypeError, function() {
+  new WeakMap(['', 1]);
+});
+
+assert.throws(TypeError, function() {
+  new WeakMap([true, 1]);
+});
+
+assert.throws(TypeError, function() {
+  new WeakMap([null, 1]);
+});
+
+assert.throws(TypeError, function() {
+  new WeakMap([Symbol.for('registered symbol'), 1]);
+}, 'Registered symbol not allowed as a WeakMap key');
+
+assert.throws(TypeError, function() {
+  new WeakMap([undefined, 1]);
+});
+
+assert.throws(TypeError, function() {
+  new WeakMap([
+    ['a', 1], 2
+  ]);
+});
+
+reportCompare(0, 0);