diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Object/prototype/isPrototypeOf/null-this-and-primitive-arg-returns-false.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Object/prototype/isPrototypeOf/null-this-and-primitive-arg-returns-false.js | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/prototype/isPrototypeOf/null-this-and-primitive-arg-returns-false.js b/js/src/tests/test262/built-ins/Object/prototype/isPrototypeOf/null-this-and-primitive-arg-returns-false.js new file mode 100644 index 0000000000..ba4bc82ce6 --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/prototype/isPrototypeOf/null-this-and-primitive-arg-returns-false.js @@ -0,0 +1,25 @@ +// Copyright (C) 2019 Alexey Shvayka. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-object.prototype.isprototypeof +description: > + The ordering of steps 1 and 2 preserves the behaviour specified by previous + editions of this specification for the case where V is not an object and + the this value is undefined or null. +info: | + Object.prototype.isPrototypeOf ( V ) + + 1. If Type(V) is not Object, return false. + 2. Let O be ? ToObject(this value). +features: [Symbol] +---*/ + +assert.sameValue(Object.prototype.isPrototypeOf.call(null, undefined), false); +assert.sameValue(Object.prototype.isPrototypeOf.call(null, null), false); +assert.sameValue(Object.prototype.isPrototypeOf.call(null, false), false); +assert.sameValue(Object.prototype.isPrototypeOf.call(null, ""), false); +assert.sameValue(Object.prototype.isPrototypeOf.call(null, Symbol()), false); +assert.sameValue(Object.prototype.isPrototypeOf.call(null, 10), false); + +reportCompare(0, 0); |