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