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			28 lines
		
	
	
		
			774 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			28 lines
		
	
	
		
			774 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
// Copyright (C) 2015 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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es6id: 23.1.1.1
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description: >
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  Throws a TypeError if `set` is not callable on Map constructor with a
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  iterable argument.
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info: >
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  Map ( [ iterable ] )
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  When the Map function is called with optional argument the following steps are
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  taken:
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  ...
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  5. If iterable is not present, let iterable be undefined.
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  6. If iterable is either undefined or null, let iter be undefined.
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  7. Else,
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    a. Let adder be Get(map, "set").
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    b. ReturnIfAbrupt(adder).
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    c. If IsCallable(adder) is false, throw a TypeError exception.
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---*/
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Map.prototype.set = null;
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assert.throws(TypeError, function() {
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  new Map([[1,1], [2,2]]);
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});
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