// Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es6id: 13.12.11 description: > Completion value when the default case is exited via an empty abrupt completion info: | SwitchStatement : switch ( Expression ) CaseBlock [...] 8. Let R be the result of performing CaseBlockEvaluation of CaseBlock with argument switchValue. 9. Set the running execution context’s LexicalEnvironment to oldEnv. 10. Return R. 13.12.9 Runtime Semantics: CaseBlockEvaluation CaseBlock : { CaseClausesopt DefaultClause CaseClausesopt } 1. Let V = undefined. 2. Let A be the list of CaseClause items in the first CaseClauses, in source text order. If the first CaseClauses is not present A is « ». 3. Let found be false. 4. Repeat for each CaseClause C in A [...] 5. Let foundInB be false. 6. Let B be the List containing the CaseClause items in the second CaseClauses, in source text order. If the second CaseClauses is not present B is « ». 7. If found is false, then [...] 8. If foundInB is true, return NormalCompletion(V). 9. Let R be the result of evaluating DefaultClause. 10. If R.[[value]] is not empty, let V = R.[[value]]. 11. If R is an abrupt completion, return Completion(UpdateEmpty(R, V)). ---*/ assert.sameValue(eval('1; switch ("a") { default: break; }'), undefined); assert.sameValue(eval('2; switch ("a") { default: { 3; break; } }'), 3); assert.sameValue( eval('4; do { switch ("a") { default: { continue; } } } while (false)'), undefined ); assert.sameValue( eval('5; do { switch ("a") { default: { 6; continue; } } } while (false)'), 6 ); reportCompare(0, 0);