Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 44 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/GetOwnProperty/enumerate-detached-buffer.js b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/GetOwnProperty/enumerate-detached-buffer.js
new file mode 100644
index 0000000000..8611cfb434
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/GetOwnProperty/enumerate-detached-buffer.js
@@ -0,0 +1,44 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-integer-indexed-exotic-objects-getownproperty-p
+description: Test for-in enumeration with detached buffer.
+info: |
+  9.4.5.1 [[GetOwnProperty]] ( P )
+    ...
+    3. If Type(P) is String, then
+      a. Let numericIndex be ! CanonicalNumericIndexString(P).
+      b. If numericIndex is not undefined, then
+        i. Let value be ! IntegerIndexedElementGet(O, numericIndex).
+    ...
+
+  IntegerIndexedElementGet ( O, index )
+    ...
+    Let buffer be O.[[ViewedArrayBuffer]].
+    If IsDetachedBuffer(buffer) is true, return undefined.
+    ...
+
+  13.7.5.15 EnumerateObjectProperties (O)
+    ...
+    EnumerateObjectProperties must obtain the own property keys of the
+    target object by calling its [[OwnPropertyKeys]] internal method.
+    Property attributes of the target object must be obtained by
+    calling its [[GetOwnProperty]] internal method.
+
+includes: [testTypedArray.js, detachArrayBuffer.js]
+features: [align-detached-buffer-semantics-with-web-reality, TypedArray]
+---*/
+
+testWithTypedArrayConstructors(function(TA) {
+  var sample = new TA(42);
+  $DETACHBUFFER(sample.buffer);
+
+  let count = 0;
+  for (var key in sample) {
+    count++;
+  }
+  assert.sameValue(count, 0, 'The value of `count` is 0');
+});
+
+reportCompare(0, 0);