From d9732d83233b8256a21e2fc102f84cb22c0f914c Mon Sep 17 00:00:00 2001
From: littledan <microdan@gmail.com>
Date: Wed, 28 Dec 2016 19:55:25 +0100
Subject: [PATCH] Test for new TypedArray iterator detach logic (#784)
Tests new logic in https://github.com/tc39/ecma262/pull/724
---
.../next/detach-typedarray-in-progress.js | 25 +++++++++++++++++++
1 file changed, 25 insertions(+)
create mode 100644 test/built-ins/ArrayIteratorPrototype/next/detach-typedarray-in-progress.js
diff --git a/test/built-ins/ArrayIteratorPrototype/next/detach-typedarray-in-progress.js b/test/built-ins/ArrayIteratorPrototype/next/detach-typedarray-in-progress.js
new file mode 100644
index 0000000000..2f04de39f5
--- /dev/null
+++ b/test/built-ins/ArrayIteratorPrototype/next/detach-typedarray-in-progress.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%arrayiteratorprototype%.next
+description: If the underlying TypedArray is detached during iteration, throw
+info: >
+ %ArrayIteratorPrototype%.next( )
+
+ ...
+ 8. If _a_ has a [[TypedArrayName]] internal slot, then
+ a. If IsDetachedBuffer(_a_.[[ViewedArrayBuffer]]) is *true*, throw a *TypeError* exception.
+includes: [testTypedArray.js, detachArrayBuffer.js]
+---*/
+
+testWithTypedArrayConstructors(TA => {
+ var typedArray = new TA(5);
+ var i = 0;
+ assert.throws(TypeError, () => {
+ for (let key of typedArray.keys()) {
+ $.detachArrayBuffer(typedArray.buffer);
+ i++;
+ }
+ });
+ assert.sameValue(i, 1);
+});
--
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