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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/function/scope-paramsbody-var-close.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.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/function/scope-paramsbody-var-close.js')
-rw-r--r-- | js/src/tests/test262/language/statements/function/scope-paramsbody-var-close.js | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/function/scope-paramsbody-var-close.js b/js/src/tests/test262/language/statements/function/scope-paramsbody-var-close.js new file mode 100644 index 0000000000..bf46717b5b --- /dev/null +++ b/js/src/tests/test262/language/statements/function/scope-paramsbody-var-close.js @@ -0,0 +1,37 @@ +// 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-functiondeclarationinstantiation +description: > + Disposal of variable environment for the function body +info: | + [...] + 26. If hasParameterExpressions is false, then + [...] + 27. Else, + a. NOTE A separate Environment Record is needed to ensure that closures + created by expressions in the formal parameter list do not have + visibility of declarations in the function body. + b. Let varEnv be NewDeclarativeEnvironment(env). + c. Let varEnvRec be varEnv's EnvironmentRecord. + d. Set the VariableEnvironment of calleeContext to varEnv. + e. Let instantiatedVarNames be a new empty List. + [...] +---*/ + +var probe; + +// A parameter expression is necessary to trigger the creation of the scope +// under test. +function f(_ = null) { + var x = 'inside'; + probe = function() { return x; }; +} +f(); + +var x = 'outside'; + +assert.sameValue(probe(), 'inside'); +assert.sameValue(x, 'outside'); + +reportCompare(0, 0); |