Add tests for Array.from

Limit tests to behavior of method when invoked with an iterable.

1 files changed, 22 insertions, 0 deletions

diff --git a/test/built-ins/Array/from/get-iter-method-err.js b/test/built-ins/Array/from/get-iter-method-err.js
new file mode 100644
index 000000000..745f10813
--- /dev/null
+++ b/test/built-ins/Array/from/get-iter-method-err.js
@@ -0,0 +1,22 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.1.2.1
+description: Error accessing items' `Symbol.iterator` attribute
+info: >
+    [...]
+    4. Let usingIterator be GetMethod(items, @@iterator).
+    5. ReturnIfAbrupt(usingIterator).
+features: [Symbol.iterator]
+---*/
+
+var items = {};
+Object.defineProperty(items, Symbol.iterator, {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+
+assert.throws(Test262Error, function() {
+  Array.from(items);
+});