// Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-super-keyword es6id: 12.3.5 description: SuperProperty's behavior as a non-strict reference info: | [...] 4. If the code matched by the syntactic production that is being evaluated is strict mode code, let strict be true, else let strict be false. 5. Return ? MakeSuperPropertyReference(propertyKey, strict). 12.3.5.3 Runtime Semantics: MakeSuperPropertyReference 1. Let env be GetThisEnvironment( ). 2. If env.HasSuperBinding() is false, throw a ReferenceError exception. 3. Let actualThis be ? env.GetThisBinding(). 4. Let baseValue be ? env.GetSuperBase(). 5. Let bv be ? RequireObjectCoercible(baseValue). 6. Return a value of type Reference that is a Super Reference whose base value component is bv, whose referenced name component is propertyKey, whose thisValue component is actualThis, and whose strict reference flag is strict. 6.2.3.2 PutValue [...] 5. If IsUnresolvableReference(V) is true, then [...] 6. Else if IsPropertyReference(V) is true, then a. If HasPrimitiveBase(V) is true, then [...] b. Let succeeded be ? base.[[Set]](GetReferencedName(V), W, GetThisValue(V)). c. If succeeded is false and IsStrictReference(V) is true, throw a TypeError exception. d. Return. flags: [noStrict] ---*/ var obj = { method() { super['x'] = 8; Object.freeze(obj); super['y'] = 9; } }; obj.method(); assert.sameValue(Object.hasOwnProperty.call(obj, 'x'), true); assert.sameValue(Object.hasOwnProperty.call(obj, 'y'), false);