lbcd/blockchain/difficulty_test.go
Dave Collins b69a849114 Import btcchain repo into blockchain directory.
This commit contains the entire btcchain repository along with several
changes needed to move all of the files into the blockchain directory in
order to prepare it for merging.  This does NOT update btcd or any of the
other packages to use the new location as that will be done separately.

- All import paths in the old btcchain test files have been changed to
  the new location
- All references to btcchain as the package name have been changed to
  blockchain
2015-01-30 15:49:59 -06:00

71 lines
1.2 KiB
Go

// Copyright (c) 2014 Conformal Systems LLC.
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
package blockchain_test
import (
"math/big"
"testing"
"github.com/btcsuite/btcd/blockchain"
)
func TestBigToCompact(t *testing.T) {
tests := []struct {
in int64
out uint32
}{
{0, 0},
{-1, 25231360},
}
for x, test := range tests {
n := big.NewInt(test.in)
r := blockchain.BigToCompact(n)
if r != test.out {
t.Errorf("TestBigToCompact test #%d failed: got %d want %d\n",
x, r, test.out)
return
}
}
}
func TestCompactToBig(t *testing.T) {
tests := []struct {
in uint32
out int64
}{
{10000000, 0},
}
for x, test := range tests {
n := blockchain.CompactToBig(test.in)
want := big.NewInt(test.out)
if n.Cmp(want) != 0 {
t.Errorf("TestCompactToBig test #%d failed: got %d want %d\n",
x, n.Int64(), want.Int64())
return
}
}
}
func TestCalcWork(t *testing.T) {
tests := []struct {
in uint32
out int64
}{
{10000000, 0},
}
for x, test := range tests {
bits := uint32(test.in)
r := blockchain.CalcWork(bits)
if r.Int64() != test.out {
t.Errorf("TestCalcWork test #%d failed: got %v want %d\n",
x, r.Int64(), test.out)
return
}
}
}