mirror of
				https://github.com/tc39/test262.git
				synced 2025-11-02 20:53:50 +01:00 
			
		
		
		
	
		
			
				
	
	
		
			43 lines
		
	
	
		
			903 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			43 lines
		
	
	
		
			903 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
// Copyright (C) 2017 The V8 project authors. All rights reserved.
 | 
						|
// This code is governed by the BSD license found in the LICENSE file.
 | 
						|
 | 
						|
/*---
 | 
						|
description: BigInt throws a RangeError if value is Infinity
 | 
						|
esid: sec-bigint-constructor
 | 
						|
info: |
 | 
						|
  BigInt ( value )
 | 
						|
 | 
						|
  ...
 | 
						|
  2. Let prim be ? ToPrimitive(value, hint Number).
 | 
						|
  3. If Type(prim) is Number, return ? NumberToBigInt(prim).
 | 
						|
  ...
 | 
						|
 | 
						|
  NumberToBigInt ( number )
 | 
						|
 | 
						|
  ...
 | 
						|
  2. If IsSafeInteger(number) is false, throw a RangeError exception.
 | 
						|
  ...
 | 
						|
 | 
						|
  IsSafeInteger ( number )
 | 
						|
 | 
						|
  ...
 | 
						|
  2. If number is NaN, +∞, or -∞, return false.
 | 
						|
features: [BigInt]
 | 
						|
---*/
 | 
						|
 | 
						|
assert.throws(RangeError, function() {
 | 
						|
  BigInt(-Infinity);
 | 
						|
});
 | 
						|
 | 
						|
var calls = 0;
 | 
						|
var obj = {
 | 
						|
  valueOf: function() {
 | 
						|
    calls++;
 | 
						|
    return -Infinity;
 | 
						|
  }
 | 
						|
}
 | 
						|
assert.throws(RangeError, function() {
 | 
						|
  BigInt(obj);
 | 
						|
});
 | 
						|
assert.sameValue(calls, 1, "it fails after fetching the primitive value");
 |