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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/test262/built-ins/isNaN/toprimitive-result-is-object-throws.js
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/built-ins/isNaN/toprimitive-result-is-object-throws.js')
-rw-r--r--js/src/tests/test262/built-ins/isNaN/toprimitive-result-is-object-throws.js33
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diff --git a/js/src/tests/test262/built-ins/isNaN/toprimitive-result-is-object-throws.js b/js/src/tests/test262/built-ins/isNaN/toprimitive-result-is-object-throws.js
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+++ b/js/src/tests/test262/built-ins/isNaN/toprimitive-result-is-object-throws.js
@@ -0,0 +1,33 @@
+// Copyright (C) 2016 The V8 Project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-isnan-number
+description: >
+ Throws a TypeError if the result of calling number.@@toPrimitive is an Object
+info: |
+ isNaN (number)
+
+ 1. Let num be ? ToNumber(number).
+
+ ToPrimitive ( input [ , PreferredType ] )
+
+ [...]
+ 4. Let exoticToPrim be ? GetMethod(input, @@toPrimitive).
+ 5. If exoticToPrim is not undefined, then
+ a. Let result be ? Call(exoticToPrim, input, « hint »).
+ b. If Type(result) is not Object, return result.
+ c. Throw a TypeError exception.
+features: [Symbol.toPrimitive]
+---*/
+
+var obj = {};
+obj[Symbol.toPrimitive] = function() {
+ return [42];
+};
+
+assert.throws(TypeError, function() {
+ isNaN(obj);
+});
+
+reportCompare(0, 0);