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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-lex-close-dflt.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-lex-close-dflt.js')
-rw-r--r-- | js/src/tests/test262/language/statements/switch/scope-lex-close-dflt.js | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/switch/scope-lex-close-dflt.js b/js/src/tests/test262/language/statements/switch/scope-lex-close-dflt.js new file mode 100644 index 0000000000..e46fae794e --- /dev/null +++ b/js/src/tests/test262/language/statements/switch/scope-lex-close-dflt.js @@ -0,0 +1,48 @@ +// 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: Removal of lexical environment (from `default` 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. + [...] +features: [let] +---*/ + +let x = 'outside'; +var probeDefault, probeDefaultBeforeCase, probeCase; + +switch (null) { + default: + let x = 'inside'; + probeDefault = function() { return x; }; +} + +assert.sameValue(probeDefault(), 'inside', 'from lone `default` clause`'); +assert.sameValue(x, 'outside'); + +switch (null) { + default: + let x = 'inside'; + probeDefaultBeforeCase = function() { return x; }; + case 0: + probeCase = function() { return x; }; +} + +assert.sameValue( + probeDefaultBeforeCase(), + 'inside', + 'from `default` clause preceding `case` clause' +); +assert.sameValue( + probeCase(), 'inside', 'from `case` clause following `default` clause' +); + +reportCompare(0, 0); |