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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/language/statements/for/scope-body-lex-open.js | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for/scope-body-lex-open.js b/js/src/tests/test262/language/statements/for/scope-body-lex-open.js new file mode 100644 index 0000000000..6a06fa30de --- /dev/null +++ b/js/src/tests/test262/language/statements/for/scope-body-lex-open.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-for-statement-runtime-semantics-labelledevaluation +description: > + Creation of new lexical environment for the initial evaluation of the + statement body +info: | + [...] + 11. Let bodyResult be ForBodyEvaluation(the first Expression, the second + Expression, Statement, perIterationLets, labelSet). + [...] + + 13.7.4.8 Runtime Semantics: ForBodyEvaluation + + [...] + 2. Perform ? CreatePerIterationEnvironment(perIterationBindings). + 3. Repeat + [...] + b. Let result be the result of evaluating stmt. + [...] + [...] + + 13.7.4.9 Runtime Semantics: CreatePerIterationEnvironment + + 1. If perIterationBindings has any elements, then + [...] + e. Let thisIterationEnv be NewDeclarativeEnvironment(outer). + f. Let thisIterationEnvRec be thisIterationEnv's EnvironmentRecord. +features: [let] +---*/ + +var probeBefore, probeTest, probeIncr, probeBody; +var run = true; + +for ( + let x = 'outside', _ = probeBefore = function() { return x; }; + run && (x = 'inside', probeTest = function() { return x; }); + probeIncr = function() { return x; } + ) + probeBody = function() { return x; }, run = false; + +assert.sameValue(probeBefore(), 'outside'); +assert.sameValue(probeTest(), 'inside', 'reference from "test" position'); +assert.sameValue(probeBody(), 'inside', 'reference from statement body'); +assert.sameValue(probeIncr(), 'inside', 'reference from "increment" position'); + +reportCompare(0, 0); |