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	* Improve test coverage for `super` keyword Add tests for SuperCall and SuperProperty, organized together in the `test/language/expressions/super/` directory. For SuperProperty, include tests for usage from within Object initializers and class bodies because a different set of semantics are observable from each context.
		
			
				
	
	
		
			31 lines
		
	
	
		
			699 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			699 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-super-keyword
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es6id: 12.3.5
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description: Binds the "this" value to value returned by "parent" constructor
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info: |
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  [...]
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  6. Let result be ? Construct(func, argList, newTarget).
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  7. Let thisER be GetThisEnvironment( ).
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  8. Return ? thisER.BindThisValue(result).
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features: [class]
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---*/
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var customThisValue = {};
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var boundThisValue;
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function Parent() {
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  return customThisValue;
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}
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class Child extends Parent {
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  constructor() {
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    super();
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    boundThisValue = this;
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  }
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}
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new Child();
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assert.sameValue(boundThisValue, customThisValue);
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