diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/regular-subclassing.js')
-rw-r--r-- | js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/regular-subclassing.js | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/regular-subclassing.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/regular-subclassing.js new file mode 100644 index 0000000000..b5c2ac34be --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/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: 21.1.1 +description: Subclassing the String object +info: | + 21.1.1 The String Constructor + + ... + The String constructor is designed to be subclassable. It may be used as the + value of an extends clause of a class definition. Subclass constructors that + intend to inherit the specified String behaviour must include a super call to + the String constructor to create and initialize the subclass instance with a + [[StringData]] internal slot. +---*/ + +class S extends String {} + +var s = new S(' test262 '); + +assert.sameValue(s.trim(), 'test262'); + + +reportCompare(0, 0); |