Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

1 files changed, 69 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/Delete/BigInt/key-is-not-canonical-index-non-strict.js b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/Delete/BigInt/key-is-not-canonical-index-non-strict.js
new file mode 100644
index 0000000000..dbe5370153
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/Delete/BigInt/key-is-not-canonical-index-non-strict.js
@@ -0,0 +1,69 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-integer-indexed-exotic-objects-delete-p
+description: >
+  Return true if key is not a CanonicalNumericIndex.
+info: |
+  [[Delete]] (P)
+
+  ...
+  Assert: IsPropertyKey(P) is true.
+  Assert: O is an Integer-Indexed exotic object.
+  If Type(P) is String, then
+    Let numericIndex be ! CanonicalNumericIndexString(P).
+    If numericIndex is not undefined, then
+      If IsDetachedBuffer(O.[[ViewedArrayBuffer]]) is true, return true.
+      If ! IsValidIntegerIndex(O, numericIndex) is false, return true.
+      Return false.
+    ...
+  Return ? OrdinaryDelete(O, P).
+flags: [noStrict]
+includes: [testBigIntTypedArray.js]
+features: [align-detached-buffer-semantics-with-web-reality, BigInt, TypedArray]
+---*/
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+  var keys = [
+    "1.0",
+    "+1",
+    "1000000000000000000000",
+    "0.0000001"
+  ];
+
+  keys.forEach((key) => {
+    var sample = new TA(); // <- intentionally empty
+
+    assert.sameValue(
+      delete sample[key], true,
+      'The value of `delete sample[key]` is true'
+    );
+
+    TypedArray.prototype[key] = key;
+
+    assert.sameValue(
+      delete sample[key],
+      true,
+      'The value of `delete sample[key]` is true'
+    );
+
+    sample[key] = key;
+    assert.sameValue(
+      delete sample[key], true,
+      'The value of `delete sample[key]` is true'
+    );
+
+    Object.defineProperty(sample, key, {
+      get() { return key; }
+    });
+
+    assert.sameValue(
+      delete sample[key], false,
+      'The value of `delete sample[key]` is false'
+    );
+
+    delete TypedArray.prototype[key];
+  });
+});
+
+reportCompare(0, 0);