Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

1 files changed, 31 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/isNaN/not-a-constructor.js b/js/src/tests/test262/built-ins/isNaN/not-a-constructor.js
new file mode 100644
index 0000000000..840489d16b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/isNaN/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  isNaN does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(isNaN), false, 'isConstructor(isNaN) must return false');
+
+assert.throws(TypeError, () => {
+  new isNaN(1);
+}, '`new isNaN(1)` throws TypeError');
+
+
+reportCompare(0, 0);