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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/language/statements/class/elements/private-method-brand-check-super-class.js | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/elements/private-method-brand-check-super-class.js b/js/src/tests/test262/language/statements/class/elements/private-method-brand-check-super-class.js new file mode 100644 index 0000000000..76387409ab --- /dev/null +++ b/js/src/tests/test262/language/statements/class/elements/private-method-brand-check-super-class.js @@ -0,0 +1,50 @@ +// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +description: Subclass can access private methods of a superclass (private method) +esid: sec-privatefieldget +info: | + SuperCall : super Arguments + ... + 10. Perform ? InitializeInstanceElements(result, F). + ... + + InitializeInstanceFieldsElements ( O, constructor ) + 1. Assert: Type ( O ) is Object. + 2. Assert: Assert constructor is an ECMAScript function object. + 3. If constructor.[[PrivateBrand]] is not undefined, + a. Perform ? PrivateBrandAdd(O, constructor.[[PrivateBrand]]). + 4. Let fieldRecords be the value of constructor's [[Fields]] internal slot. + 5. For each item fieldRecord in order from fieldRecords, + a. Perform ? DefineField(O, fieldRecord). + 6. Return. +features: [class, class-methods-private] +---*/ + +class S { + #method() { return 'super class'; } + + superAccess() { return this.#method(); } +} + +class C extends S { + #method() { return 'test262'; } + + access() { + return this.#method(); + } +} + +let c = new C(); + +assert.sameValue(c.access(), 'test262'); +assert.sameValue(c.superAccess(), 'super class'); + +let s = new S(); +assert.sameValue(s.superAccess(), 'super class'); +assert.throws(TypeError, function() { + c.access.call(s); +}, 'invalid access of C private method'); + +reportCompare(0, 0); |