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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/language/statements/class/subclass/builtin-objects/Error/regular-subclassing.js | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Error/regular-subclassing.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Error/regular-subclassing.js new file mode 100644 index 0000000000..d34c85cb3c --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/Error/regular-subclassing.js @@ -0,0 +1,24 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 19.5.1 +description: Subclassing the Error object +info: | + 19.5.1 The Error Constructor + + ... + The Error constructor is designed to be subclassable. It may be used as the + alue of an extends clause of a class definition. Subclass constructors that + intend to inherit the specified Error behaviour must include a super call to + the Error constructor to create and initialize subclass instances with a + [[ErrorData]] internal slot. +---*/ + +class CustomError extends Error {} + +var err = new CustomError('foo 42'); + +assert.sameValue(err.message, 'foo 42'); +assert.sameValue(err.name, 'Error'); + +reportCompare(0, 0); |