Add tests for accessing Infinity on detached typed arrays

1 files changed, 35 insertions, 0 deletions

diff --git a/test/built-ins/TypedArrays/internals/HasProperty/infinity-with-detached-buffer.js b/test/built-ins/TypedArrays/internals/HasProperty/infinity-with-detached-buffer.js
new file mode 100644
index 000000000..4d2001f03
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+++ b/test/built-ins/TypedArrays/internals/HasProperty/infinity-with-detached-buffer.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+id: sec-integer-indexed-exotic-objects-hasproperty-p
+info: >
+  "Infinity" is a canonical numeric string, test with access on detached buffer.
+description: |
+  9.4.5.2 [[HasProperty]]( P )
+  ...
+  3. If Type(P) is String, then
+    a. Let numericIndex be ! CanonicalNumericIndexString(P).
+    b. If numericIndex is not undefined, then
+      i. Let buffer be O.[[ViewedArrayBuffer]].
+      ii. If IsDetachedBuffer(buffer) is true, throw a TypeError exception.
+      ...
+
+  7.1.16 CanonicalNumericIndexString ( argument )
+    ...
+    3. Let n be ! ToNumber(argument).
+    4. If SameValue(! ToString(n), argument) is false, return undefined.
+    5. Return n.
+
+flags: [noStrict]
+includes: [testTypedArray.js, detachArrayBuffer.js]
+---*/
+
+testWithTypedArrayConstructors(function(TA) {
+  var sample = new TA(0);
+  $DETACHBUFFER(sample.buffer);
+
+  assert.throws(TypeError, function() {
+    with (sample) Infinity;
+  });
+});