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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/for-of/scope-body-lex-close.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/for-of/scope-body-lex-close.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-of/scope-body-lex-close.js | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-of/scope-body-lex-close.js b/js/src/tests/test262/language/statements/for-of/scope-body-lex-close.js new file mode 100644 index 0000000000..96689c07c8 --- /dev/null +++ b/js/src/tests/test262/language/statements/for-of/scope-body-lex-close.js @@ -0,0 +1,42 @@ +// 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-for-in-and-for-of-statements-runtime-semantics-labelledevaluation +description: > + Removal of lexical environment for the initial evaluation of the statement + body +info: | + IterationStatement : for ( ForDeclaration of AssignmentExpression ) Statement + + [...] + 2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult, + lexicalBinding, labelSet). + + 13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation + + [...] + 5. Repeat + [...] + i. Let result be the result of evaluating stmt. + j. Set the running execution context's LexicalEnvironment to oldEnv. + k. If LoopContinues(result, labelSet) is false, return ? + IteratorClose(iterator, UpdateEmpty(result, V)). + l. If result.[[Value]] is not empty, let V be result.[[Value]]. +features: [let] +---*/ + +let x = 'outside'; +var probeDecl, probeBody; + +for ( + let [x, _ = probeDecl = function() { return x; }] + of + [['inside']] + ) + probeBody = function() { return x; }; + +assert.sameValue(probeDecl(), 'inside', 'reference from ForDeclaration'); +assert.sameValue(probeBody(), 'inside', 'reference from statement body'); +assert.sameValue(x, 'outside'); + +reportCompare(0, 0); |