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Diffstat (limited to 'js/src/tests/test262/language/statements/class/definition/fn-length-static-precedence.js')
-rw-r--r-- | js/src/tests/test262/language/statements/class/definition/fn-length-static-precedence.js | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/definition/fn-length-static-precedence.js b/js/src/tests/test262/language/statements/class/definition/fn-length-static-precedence.js new file mode 100644 index 0000000000..51ac1bf7aa --- /dev/null +++ b/js/src/tests/test262/language/statements/class/definition/fn-length-static-precedence.js @@ -0,0 +1,78 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-runtime-semantics-classdefinitionevaluation +description: > + Function `length` attribute not inferred in presence of static `length` method +info: | + ClassTail : ClassHeritage_opt { ClassBody_opt } + + 14. If constructor is empty, then [...] + b. Let F be ! CreateBuiltinFunction(steps, 0, className, « [[ConstructorKind]], [[SourceText]] », empty, constructorParent). + 15. Else, + a. Let constructorInfo be ! DefineMethod of constructor with arguments proto and constructorParent. + [ This sets the length property on constructorInfo.[[Closure]]. ] + b. Let F be constructorInfo.[[Closure]]. + [...] + 25. For each ClassElement e of elements, do + a. If IsStatic of e is false, then [...] + b. Else, + i. Let field be ClassElementEvaluation of e with arguments F and false. + [ This overwrites the length property on F. ] +features: [generators] +---*/ + +class A { + static method() { + throw new Test262Error('Static method should not be executed during definition'); + } + static length() { + throw new Test262Error('Static method should not be executed during definition'); + } +} + +assert.sameValue(typeof A.length, 'function'); + +var attr = 'length'; +class B { + static [attr]() { + throw new Test262Error( + 'Static method defined via computed property should not be executed ' + + 'during definition' + ); + } +} + +assert.sameValue(typeof B.length, 'function'); + +var isDefined = false; +class C { + static get length() { + if (isDefined) { + return 'pass'; + } + throw new Test262Error('Static `get` accessor should not be executed during definition'); + } +} + +isDefined = true; +assert.sameValue(C.length, 'pass'); + +class D { + static set length(_) { + throw new Test262Error('Static `set` accessor should not be executed during definition'); + } +} + +assert.sameValue(D.length, undefined); + +class E { + static *length() { + throw new Test262Error('Static GeneratorMethod should not be executed during definition'); + } +} + +assert.sameValue(typeof E.length, 'function'); + +reportCompare(0, 0); |