diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/class/subclass/builtin-objects/String')
5 files changed, 89 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/browser.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/browser.js new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/browser.js diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/length.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/length.js new file mode 100644 index 0000000000..0d1f33ef7f --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/length.js @@ -0,0 +1,32 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 21.1.4 +description: Instances has the own property length +info: | + 21.1.4 Properties of String Instances + + ... + + String instances have a length property, and a set of enumerable properties + with integer indexed names. +includes: [propertyHelper.js] +---*/ + +class S extends String {} + +var s1 = new S(); +assert.sameValue(s1.length, 0); + +verifyNotWritable(s1, 'length'); +verifyNotEnumerable(s1, 'length'); +verifyNotConfigurable(s1, 'length'); + +var s2 = new S('test262'); +assert.sameValue(s2.length, 7); + +verifyNotWritable(s2, 'length'); +verifyNotEnumerable(s2, 'length'); +verifyNotConfigurable(s2, 'length'); + +reportCompare(0, 0); 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); diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/shell.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/shell.js new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/shell.js diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/super-must-be-called.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/super-must-be-called.js new file mode 100644 index 0000000000..0c247e62db --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/String/super-must-be-called.js @@ -0,0 +1,33 @@ +// 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: Super need to be called to initialize internals +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 S1 extends String { + constructor() {} +} + +assert.throws(ReferenceError, function() { + new S1(); +}); + +class S2 extends String { + constructor() { + super(); + } +} + +new S2(); + +reportCompare(0, 0); |