36 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
		
		
			
		
	
	
			36 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
|   | // Copyright 2016 The go-ethereum Authors | ||
|  | // This file is part of go-ethereum. | ||
|  | // | ||
|  | // go-ethereum is free software: you can redistribute it and/or modify | ||
|  | // it under the terms of the GNU General Public License as published by | ||
|  | // the Free Software Foundation, either version 3 of the License, or | ||
|  | // (at your option) any later version. | ||
|  | // | ||
|  | // go-ethereum is distributed in the hope that it will be useful, | ||
|  | // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
|  | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
|  | // GNU General Public License for more details. | ||
|  | // | ||
|  | // You should have received a copy of the GNU General Public License | ||
|  | // along with go-ethereum. If not, see <http://www.gnu.org/licenses/>. | ||
|  | 
 | ||
|  | package utils | ||
|  | 
 | ||
|  | import "testing" | ||
|  | 
 | ||
|  | // TestFileDescriptorLimits simply tests whether the file descriptor allowance | ||
|  | // per this process can be retrieved. | ||
|  | func TestFileDescriptorLimits(t *testing.T) { | ||
|  | 	target := 4096 | ||
|  | 
 | ||
|  | 	if limit, err := getFdLimit(); err != nil || limit <= 0 { | ||
|  | 		t.Fatalf("failed to retrieve file descriptor limit (%d): %v", limit, err) | ||
|  | 	} | ||
|  | 	if err := raiseFdLimit(uint64(target)); err != nil { | ||
|  | 		t.Fatalf("failed to raise file allowance") | ||
|  | 	} | ||
|  | 	if limit, err := getFdLimit(); err != nil || limit < target { | ||
|  | 		t.Fatalf("failed to retrieve raised descriptor limit (have %v, want %v): %v", limit, target, err) | ||
|  | 	} | ||
|  | } |