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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package common
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import (
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	"bytes"
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	"testing"
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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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	if !z {
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		t.Error("Expected true got", z)
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	}
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	U256(a)
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	S256(a)
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	U256(b)
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	S256(b)
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	BigD(c)
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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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	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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	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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func TestBigMin(t *testing.T) {
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	a := Big("10")
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	b := Big("5")
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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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	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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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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	if !bytes.Equal(y, ybytes) {
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		t.Error("Got", ybytes)
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	}
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	if !bytes.Equal(z, zbytes) {
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		t.Error("Got", zbytes)
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	}
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}
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