Adding upstream version 124.0.1.upstream/124.0.1

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

1 files changed, 37 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/Iterator/prototype/flatMap/mapper-returns-non-object.js b/js/src/tests/test262/built-ins/Iterator/prototype/flatMap/mapper-returns-non-object.js
new file mode 100644
index 0000000000..cef235e282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Iterator/prototype/flatMap/mapper-returns-non-object.js
@@ -0,0 +1,37 @@
+// |reftest| shell-option(--enable-iterator-helpers) skip-if(!this.hasOwnProperty('Iterator')||!xulRuntime.shell) -- iterator-helpers is not enabled unconditionally, requires shell-options
+// Copyright (C) 2023 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-iteratorprototype.flatMap
+description: >
+  Iterator.prototype.flatMap mapper return value must be an object
+info: |
+  %Iterator.prototype%.flatMap ( mapper )
+
+features: [iterator-helpers]
+flags: []
+---*/
+function* g() {
+  yield 0;
+  yield 0;
+  yield 0;
+  yield 1;
+}
+
+let iter = g();
+
+let mapperCalls = 0;
+iter = iter.flatMap(v => {
+  ++mapperCalls;
+  return null;
+});
+
+assert.sameValue(mapperCalls, 0);
+
+assert.throws(TypeError, function () {
+  iter.next();
+});
+
+assert.sameValue(mapperCalls, 1);
+
+reportCompare(0, 0);