1 files changed, 50 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/from/iter-cstm-ctor.js b/js/src/tests/test262/built-ins/Array/from/iter-cstm-ctor.js
new file mode 100644
index 0000000000..28922e7062
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/from/iter-cstm-ctor.js
@@ -0,0 +1,50 @@
+// 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-array.from
+description: Creating object with custom constructor (traversed via iterator)
+info: |
+    [...]
+    6. If usingIterator is not undefined, then
+       a. If IsConstructor(C) is true, then
+          i. Let A be Construct(C).
+       b. Else,
+          i. Let A be ArrayCreate(0).
+       c. ReturnIfAbrupt(A).
+features: [Symbol.iterator]
+---*/
+
+var thisVal, args;
+var callCount = 0;
+var C = function() {
+  thisVal = this;
+  args = arguments;
+  callCount += 1;
+};
+var result;
+var items = {};
+items[Symbol.iterator] = function() {
+  return {
+    next: function() {
+      return {
+        done: true
+      };
+    }
+  };
+};
+
+result = Array.from.call(C, items);
+
+assert(
+  result instanceof C, 'The result of evaluating (result instanceof C) is expected to be true'
+);
+assert.sameValue(
+  result.constructor,
+  C,
+  'The value of result.constructor is expected to equal the value of C'
+);
+assert.sameValue(callCount, 1, 'The value of callCount is expected to be 1');
+assert.sameValue(thisVal, result, 'The value of thisVal is expected to equal the value of result');
+assert.sameValue(args.length, 0, 'The value of args.length is expected to be 0');
+
+reportCompare(0, 0);