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	Closes #572 Introduce tests for new semantics for ES2015 features such as lexically-scoped bindings. Also add tests for semantics defined in prior editions of the specification but not yet covered in this test suite.
		
			
				
	
	
		
			34 lines
		
	
	
		
			845 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			34 lines
		
	
	
		
			845 B
		
	
	
	
		
			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-performeval
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description: >
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    Direct eval code creates a new declarative environment for lexically-scoped
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    declarations (const)
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info: |
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    [...]
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    9. If direct is true, then
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       a. Let lexEnv be NewDeclarativeEnvironment(ctx's LexicalEnvironment).
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    [...]
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features: [const]
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---*/
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const outside = null;
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eval('const outside = null;');
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eval('"use strict"; const outside = null;');
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eval('const xNonStrict = null;');
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assert.sameValue(typeof xNonStrict, 'undefined');
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assert.throws(ReferenceError, function() {
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  xNonStrict;
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});
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eval('"use strict"; const xStrict = null;');
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assert.sameValue(typeof xStrict, 'undefined');
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assert.throws(ReferenceError, function() {
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  xStrict;
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});
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