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Diffstat (limited to 'js/src/tests/test262/language/statements/switch/cptn-no-dflt-match-abrupt-empty.js')
-rw-r--r-- | js/src/tests/test262/language/statements/switch/cptn-no-dflt-match-abrupt-empty.js | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/switch/cptn-no-dflt-match-abrupt-empty.js b/js/src/tests/test262/language/statements/switch/cptn-no-dflt-match-abrupt-empty.js new file mode 100644 index 0000000000..cf640d6b90 --- /dev/null +++ b/js/src/tests/test262/language/statements/switch/cptn-no-dflt-match-abrupt-empty.js @@ -0,0 +1,55 @@ +// 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 : { CaseClauses } + + 1. Let V = undefined. + 2. Let A be the List of CaseClause items in CaseClauses, in source text + order. + 3. Let found be false. + 4. Repeat for each CaseClause C in A, + a. If found is false, then + i. Let clauseSelector be the result of CaseSelectorEvaluation of C. + ii. If clauseSelector is an abrupt completion, then + 1. If clauseSelector.[[value]] is empty, return + Completion{[[type]]: clauseSelector.[[type]], [[value]]: + undefined, [[target]]: clauseSelector.[[target]]}. + 2. Else, return Completion(clauseSelector). + iii. Let found be the result of performing Strict Equality Comparison + input === clauseSelector.[[value]]. + b. If found is true, then + i. Let R be the result of evaluating C. + ii. If R.[[value]] is not empty, let V = R.[[value]]. + iii. If R is an abrupt completion, return Completion(UpdateEmpty(R, + V)). +---*/ + +assert.sameValue(eval('1; switch ("a") { case "a": break; }'), undefined); +assert.sameValue(eval('2; switch ("a") { case "a": { 3; break; } }'), 3); + +assert.sameValue( + eval('4; do { switch ("a") { case "a": continue; } } while (false)'), + undefined +); +assert.sameValue( + eval('5; do { switch ("a") { case "a": { 6; continue; } } } while (false)'), + 6 +); + +reportCompare(0, 0); |