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Diffstat (limited to 'js/src/tests/test262/built-ins/Date/prototype/toJSON/non-finite.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Date/prototype/toJSON/non-finite.js | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Date/prototype/toJSON/non-finite.js b/js/src/tests/test262/built-ins/Date/prototype/toJSON/non-finite.js new file mode 100644 index 0000000000..f3f6753a04 --- /dev/null +++ b/js/src/tests/test262/built-ins/Date/prototype/toJSON/non-finite.js @@ -0,0 +1,29 @@ +// Copyright (C) 2019 Aleksey Shvayka. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-date.prototype.tojson +description: > + If this value coerces to non-finite number, null is returned. +info: | + Date.prototype.toJSON ( key ) + + [...] + 2. Let tv be ? ToPrimitive(O, hint Number). + 3. If Type(tv) is Number and tv is not finite, return null. +---*/ + +var toJSON = Date.prototype.toJSON; + +assert.sameValue( + toJSON.call({ + get toISOString() { throw new Test262Error(); }, + valueOf: function() { return NaN; }, + }), + null +); + +var num = new Number(-Infinity); +num.toISOString = function() { throw new Test262Error(); }; +assert.sameValue(toJSON.call(num), null); + +reportCompare(0, 0); |