90 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			90 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright 2014 The go-ethereum Authors
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| // This file is part of the go-ethereum library.
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| //
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| // The go-ethereum library is free software: you can redistribute it and/or modify
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| // it under the terms of the GNU Lesser General Public License as published by
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| // the Free Software Foundation, either version 3 of the License, or
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| // (at your option) any later version.
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| //
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| // The go-ethereum library is distributed in the hope that it will be useful,
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| // but WITHOUT ANY WARRANTY; without even the implied warranty of
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| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| // GNU Lesser General Public License for more details.
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| //
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| // You should have received a copy of the GNU Lesser General Public License
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| // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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| 
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| package common
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| 
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| import (
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| 	"bytes"
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| 	"testing"
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| )
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| 
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| func TestMisc(t *testing.T) {
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| 	a := Big("10")
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| 	b := Big("57896044618658097711785492504343953926634992332820282019728792003956564819968")
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| 	c := []byte{1, 2, 3, 4}
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| 	z := BitTest(a, 1)
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| 
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| 	if z != true {
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| 		t.Error("Expected true got", z)
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| 	}
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| 
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| 	U256(a)
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| 	S256(a)
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| 
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| 	U256(b)
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| 	S256(b)
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| 
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| 	BigD(c)
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| }
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| 
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| func TestBigMax(t *testing.T) {
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| 	a := Big("10")
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| 	b := Big("5")
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| 
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| 	max1 := BigMax(a, b)
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| 	if max1 != a {
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| 		t.Errorf("Expected %d got %d", a, max1)
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| 	}
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| 
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| 	max2 := BigMax(b, a)
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| 	if max2 != a {
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| 		t.Errorf("Expected %d got %d", a, max2)
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| 	}
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| }
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| 
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| func TestBigMin(t *testing.T) {
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| 	a := Big("10")
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| 	b := Big("5")
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| 
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| 	min1 := BigMin(a, b)
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| 	if min1 != b {
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| 		t.Errorf("Expected %d got %d", b, min1)
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| 	}
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| 
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| 	min2 := BigMin(b, a)
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| 	if min2 != b {
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| 		t.Errorf("Expected %d got %d", b, min2)
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| 	}
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| }
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| 
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| func TestBigCopy(t *testing.T) {
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| 	a := Big("10")
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| 	b := BigCopy(a)
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| 	c := Big("1000000000000")
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| 	y := BigToBytes(b, 16)
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| 	ybytes := []byte{0, 10}
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| 	z := BigToBytes(c, 16)
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| 	zbytes := []byte{232, 212, 165, 16, 0}
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| 
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| 	if bytes.Compare(y, ybytes) != 0 {
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| 		t.Error("Got", ybytes)
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| 	}
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| 
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| 	if bytes.Compare(z, zbytes) != 0 {
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| 		t.Error("Got", zbytes)
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| 	}
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| }
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