prop-dot-obj-ref-strict-strict.js (1798B)
1 'use strict'; 2 // Copyright (C) 2016 the V8 project authors. All rights reserved. 3 // This code is governed by the BSD license found in the LICENSE file. 4 /*--- 5 esid: sec-super-keyword 6 es6id: 12.3.5 7 description: SuperProperty's behavior as a strict reference 8 info: | 9 1. Let propertyKey be StringValue of IdentifierName. 10 2. If the code matched by the syntactic production that is being evaluated is 11 strict mode code, let strict be true, else let strict be false. 12 3. Return ? MakeSuperPropertyReference(propertyKey, strict). 13 14 12.3.5.3 Runtime Semantics: MakeSuperPropertyReference 15 16 1. Let env be GetThisEnvironment( ). 17 2. If env.HasSuperBinding() is false, throw a ReferenceError exception. 18 3. Let actualThis be ? env.GetThisBinding(). 19 4. Let baseValue be ? env.GetSuperBase(). 20 5. Let bv be ? RequireObjectCoercible(baseValue). 21 6. Return a value of type Reference that is a Super Reference whose base 22 value component is bv, whose referenced name component is propertyKey, 23 whose thisValue component is actualThis, and whose strict reference flag 24 is strict. 25 26 6.2.3.2 PutValue 27 28 [...] 29 5. If IsUnresolvableReference(V) is true, then 30 [...] 31 6. Else if IsPropertyReference(V) is true, then 32 a. If HasPrimitiveBase(V) is true, then 33 [...] 34 b. Let succeeded be ? base.[[Set]](GetReferencedName(V), W, 35 GetThisValue(V)). 36 c. If succeeded is false and IsStrictReference(V) is true, throw a 37 TypeError exception. 38 flags: [onlyStrict] 39 ---*/ 40 41 var caught; 42 var obj = { 43 method() { 44 super.x = 8; 45 Object.freeze(obj); 46 try { 47 super.y = 9; 48 } catch (err) { 49 caught = err; 50 } 51 } 52 }; 53 54 obj.method(); 55 56 assert.sameValue(typeof caught, 'object'); 57 assert.sameValue(caught.constructor, TypeError); 58 59 reportCompare(0, 0);