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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/test262/language/statements/switch/scope-var-none-case.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/language/statements/switch/scope-var-none-case.js')
-rw-r--r-- | js/src/tests/test262/language/statements/switch/scope-var-none-case.js | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/switch/scope-var-none-case.js b/js/src/tests/test262/language/statements/switch/scope-var-none-case.js new file mode 100644 index 0000000000..0b7767a7e0 --- /dev/null +++ b/js/src/tests/test262/language/statements/switch/scope-var-none-case.js @@ -0,0 +1,34 @@ +// 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-switch-statement-runtime-semantics-evaluation +description: Retainment of existing variable environment (`case` clause) +info: | + 1. Let exprRef be the result of evaluating Expression. + 2. Let switchValue be ? GetValue(exprRef). + 3. Let oldEnv be the running execution context's LexicalEnvironment. + 4. Let blockEnv be NewDeclarativeEnvironment(oldEnv). + 5. Perform BlockDeclarationInstantiation(CaseBlock, blockEnv). + 6. Set the running execution context's LexicalEnvironment to blockEnv. + 7. Let R be the result of performing CaseBlockEvaluation of CaseBlock with + argument switchValue. + [...] +flags: [noStrict] +---*/ + +var probeExpr, probeSelector, probeStmt; +var probeBefore = function() { return x; }; + +switch (eval('var x = 1;'), probeExpr = function() { return x; }, null) { + case eval('var x = 2;'), probeSelector = function() { return x; }, null: + probeStmt = function() { return x; }; + var x = 3; +} + +assert.sameValue(probeBefore(), 3, 'reference preceding statement'); +assert.sameValue(probeExpr(), 3, 'reference from first Expression'); +assert.sameValue(probeSelector(), 3, 'reference from "selector" Expression'); +assert.sameValue(probeStmt(), 3, 'reference from Statement position'); +assert.sameValue(x, 3, 'reference following statement'); + +reportCompare(0, 0); |