90 lines
1.8 KiB
Go
90 lines
1.8 KiB
Go
// Copyright 2014 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum 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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// go-ethereum 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 go-ethereum. 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 != true {
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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.Compare(y, ybytes) != 0 {
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t.Error("Got", ybytes)
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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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