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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
commit2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
treeb80bf8bf13c3766139fbacc530efd0dd9d54394c /js/src/tests/test262/language/expressions/instanceof/symbol-hasinstance-to-boolean.js
parentInitial commit. (diff)
downloadfirefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz
firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/language/expressions/instanceof/symbol-hasinstance-to-boolean.js')
-rw-r--r--js/src/tests/test262/language/expressions/instanceof/symbol-hasinstance-to-boolean.js46
1 files changed, 46 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/instanceof/symbol-hasinstance-to-boolean.js b/js/src/tests/test262/language/expressions/instanceof/symbol-hasinstance-to-boolean.js
new file mode 100644
index 0000000000..195ac80ad1
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/instanceof/symbol-hasinstance-to-boolean.js
@@ -0,0 +1,46 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 12.9.4
+description: >
+ Type coercion of value returned by constructor's @@hasInstance property
+info: |
+ 1. If Type(C) is not Object, throw a TypeError exception.
+ 2. Let instOfHandler be GetMethod(C,@@hasInstance).
+ 3. ReturnIfAbrupt(instOfHandler).
+ 4. If instOfHandler is not undefined, then
+ a. Return ToBoolean(Call(instOfHandler, C, «O»)).
+features: [Symbol, Symbol.hasInstance]
+---*/
+
+var F = {};
+
+F[Symbol.hasInstance] = function() { return undefined; };
+assert.sameValue(0 instanceof F, false);
+
+F[Symbol.hasInstance] = function() { return null; };
+assert.sameValue(0 instanceof F, false);
+
+F[Symbol.hasInstance] = function() { return true; };
+assert.sameValue(0 instanceof F, true);
+
+F[Symbol.hasInstance] = function() { return NaN; };
+assert.sameValue(0 instanceof F, false);
+
+F[Symbol.hasInstance] = function() { return 1; };
+assert.sameValue(0 instanceof F, true);
+
+F[Symbol.hasInstance] = function() { return ''; };
+assert.sameValue(0 instanceof F, false);
+
+F[Symbol.hasInstance] = function() { return 'string'; };
+assert.sameValue(0 instanceof F, true);
+
+F[Symbol.hasInstance] = function() { return Symbol(); };
+assert.sameValue(0 instanceof F, true);
+
+F[Symbol.hasInstance] = function() { return {}; };
+assert.sameValue(0 instanceof F, true);
+
+reportCompare(0, 0);