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			32 lines
		
	
	
		
			988 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			32 lines
		
	
	
		
			988 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
// Copyright (C) 2015 André Bargull. 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-arraybuffer-length
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description: >
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  Throws a RangeError if requested Data Block is too large.
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info: |
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  ArrayBuffer( length )
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  ...
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  6. Return AllocateArrayBuffer(NewTarget, byteLength).
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  6.2.6.1 CreateByteDataBlock(size)
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    ...
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    2. Let db be a new Data Block value consisting of size bytes. If it is
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       impossible to create such a Data Block, throw a RangeError exception.
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    ...
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---*/
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assert.throws(RangeError, function() {
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  // Allocating 7 PiB should fail with a RangeError.
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  // Math.pow(1024, 5) = 1125899906842624
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  new ArrayBuffer(7 * 1125899906842624);
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}, "`length` parameter is 7 PiB");
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assert.throws(RangeError, function() {
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  // Allocating almost 8 PiB should fail with a RangeError.
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  // Math.pow(2, 53) = 9007199254740992
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  new ArrayBuffer(9007199254740992 - 1);
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}, "`length` parameter is Math.pow(2, 53) - 1");
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