Adding upstream version 124.0.1.upstream/124.0.1

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

1 files changed, 62 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/Array/prototype/flatMap/array-like-objects-poisoned-length.js b/js/src/tests/test262/built-ins/Array/prototype/flatMap/array-like-objects-poisoned-length.js
new file mode 100644
index 0000000000..b7a8d20ef4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/flatMap/array-like-objects-poisoned-length.js
@@ -0,0 +1,62 @@
+// Copyright (C) 2018 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-array.prototype.flatMap
+description: >
+  Observe abrupt completion in poisoned lengths of array-like objects
+info: |
+  Array.prototype.flatMap ( mapperFunction [ , thisArg ] )
+
+  1. Let O be ? ToObject(this value).
+  2. Let sourceLen be ? ToLength(? Get(O, "length")).
+features: [Array.prototype.flatMap, Symbol.toPrimitive]
+---*/
+
+assert.sameValue(typeof Array.prototype.flatMap, 'function');
+
+function fn(e) {
+  return e;
+}
+
+var arr = {
+  length: Symbol(),
+};
+assert.throws(TypeError, function() {
+  [].flatMap.call(arr, fn);
+}, 'length is a symbol');
+
+arr = {
+  get length() { throw new Test262Error() }
+};
+assert.throws(Test262Error, function() {
+  [].flatMap.call(arr, fn);
+}, 'custom get error');
+
+arr = {
+  length: {
+    valueOf() { throw new Test262Error() }
+  }
+};
+assert.throws(Test262Error, function() {
+  [].flatMap.call(arr, fn);
+}, 'custom valueOf error');
+
+arr = {
+  length: {
+    toString() { throw new Test262Error() }
+  }
+};
+assert.throws(Test262Error, function() {
+  [].flatMap.call(arr, fn);
+}, 'custom toString error');
+
+arr = {
+  length: {
+    [Symbol.toPrimitive]() { throw new Test262Error() }
+  }
+};
+assert.throws(Test262Error, function() {
+  [].flatMap.call(arr, fn);
+}, 'custom Symbol.toPrimitive error');
+
+reportCompare(0, 0);