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Diffstat (limited to 'js/src/tests/test262/language/statements/switch/cptn-dflt-b-abrupt-empty.js')
-rw-r--r-- | js/src/tests/test262/language/statements/switch/cptn-dflt-b-abrupt-empty.js | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/switch/cptn-dflt-b-abrupt-empty.js b/js/src/tests/test262/language/statements/switch/cptn-dflt-b-abrupt-empty.js new file mode 100644 index 0000000000..567900f159 --- /dev/null +++ b/js/src/tests/test262/language/statements/switch/cptn-dflt-b-abrupt-empty.js @@ -0,0 +1,68 @@ +// 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 matching 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 + a. Repeat for each CaseClause C in B + i. If foundInB is false, then + 1. Let clauseSelector be the result of CaseSelectorEvaluation of + C. + [...] + 3. Let foundInB be the result of performing Strict Equality + Comparison input === clauseSelector.[[value]]. + ii. If foundInB is true, 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)). + 12. Repeat for each CaseClause C in B (NOTE this is another complete + iteration of the second CaseClauses) + a. Let R be the result of evaluating CaseClause C. + b. If R.[[value]] is not empty, let V = R.[[value]]. + c. If R is an abrupt completion, return Completion(UpdateEmpty(R, V)). +---*/ + +assert.sameValue( + eval('1; switch ("a") { default: case "b": break; }'), undefined +); +assert.sameValue( + eval('2; switch ("a") { default: case "b": { 3; break; } }'), 3 +); + +assert.sameValue( + eval('4; do { switch ("a") { default: case "b": continue; } } while (false)'), + undefined +); +assert.sameValue( + eval('5; do { switch ("a") { default: case "b": { 6; continue; } } } while (false)'), + 6 +); + +reportCompare(0, 0); |