mirror of https://github.com/tc39/test262.git
35 lines
1.2 KiB
JavaScript
35 lines
1.2 KiB
JavaScript
// Copyright (C) 2016 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-function-definitions-runtime-semantics-iteratorbindinginitialization
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description: >
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Removal of variable environment for each BindingElement formal parameter
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info: |
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[...]
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6. Let paramVarEnv be NewDeclarativeEnvironment(originalEnv).
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7. Set the VariableEnvironment of currentContext to paramVarEnv.
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8. Set the LexicalEnvironment of currentContext to paramVarEnv.
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9. Let result be the result of performing IteratorBindingInitialization for
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BindingElement using iteratorRecord and environment as the arguments.
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10. Set the VariableEnvironment of currentContext to originalEnv.
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11. Set the LexicalEnvironment of currentContext to originalEnv.
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[...]
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flags: [noStrict]
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features: [generators]
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---*/
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var x = 'outside';
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var probe1, probe2, probeBody;
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function* g(
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_ = (eval('var x = "inside";'), probe1 = function() { return x; }),
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__ = probe2 = function() { return x; }
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) {
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probeBody = function() { return x; };
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}
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g().next();
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assert.sameValue(probe1(), 'inside');
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assert.sameValue(probe2(), 'outside');
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assert.sameValue(probeBody(), 'outside');
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