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// 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-prepareforordinarycall
description: >
Creation of new variable environment for the function parameters and body
(as distinct from that for the function's BindingIdentifier)
info: |
[...]
3. Let callerContext be the running execution context.
4. Let calleeContext be PrepareForOrdinaryCall(F, undefined).
[...]
9.2.1.1 PrepareForOrdinaryCall
[...]
8. Let localEnv be NewFunctionEnvironment(F, newTarget).
9. Set the LexicalEnvironment of calleeContext to localEnv.
10. Set the VariableEnvironment of calleeContext to localEnv.
[...]
---*/
var n = 'outside';
var probeBefore = function() { return n; };
var probeBody;
// This test intentionally elides parameter expressions because their presence
// triggers the creation of an additional LexicalEnvironment dedicated to the
// function body (see sec-functiondeclarationinstantiation)
var func = function n() {
// The initializer is intentionally omitted from the following
// VariableStatement in order to demonstrate that a new binding is created
// (and not simply re-used from the FunctionExpression's BindingIdentifier).
var n;
probeBody = function() { return n; };
};
func();
assert.sameValue(probeBefore(), 'outside');
assert.sameValue(probeBody(), undefined);
reportCompare(0, 0);
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