+++ /dev/null
-// Copyright (c) 2013-2016 The btcsuite developers
-// Use of this source code is governed by an ISC
-// license that can be found in the LICENSE file.
-
-package chainhash
-
-import (
- "bytes"
- "encoding/hex"
- "testing"
-)
-
-// mainNetGenesisHash is the hash of the first block in the block chain for the
-// main network (genesis block).
-var mainNetGenesisHash = Hash([HashSize]byte{ // Make go vet happy.
- 0x6f, 0xe2, 0x8c, 0x0a, 0xb6, 0xf1, 0xb3, 0x72,
- 0xc1, 0xa6, 0xa2, 0x46, 0xae, 0x63, 0xf7, 0x4f,
- 0x93, 0x1e, 0x83, 0x65, 0xe1, 0x5a, 0x08, 0x9c,
- 0x68, 0xd6, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00,
-})
-
-// TestHash tests the Hash API.
-func TestHash(t *testing.T) {
- // Hash of block 234439.
- blockHashStr := "14a0810ac680a3eb3f82edc878cea25ec41d6b790744e5daeef"
- blockHash, err := NewHashFromStr(blockHashStr)
- if err != nil {
- t.Errorf("NewHashFromStr: %v", err)
- }
-
- // Hash of block 234440 as byte slice.
- buf := []byte{
- 0x79, 0xa6, 0x1a, 0xdb, 0xc6, 0xe5, 0xa2, 0xe1,
- 0x39, 0xd2, 0x71, 0x3a, 0x54, 0x6e, 0xc7, 0xc8,
- 0x75, 0x63, 0x2e, 0x75, 0xf1, 0xdf, 0x9c, 0x3f,
- 0xa6, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- }
-
- hash, err := NewHash(buf)
- if err != nil {
- t.Errorf("NewHash: unexpected error %v", err)
- }
-
- // Ensure proper size.
- if len(hash) != HashSize {
- t.Errorf("NewHash: hash length mismatch - got: %v, want: %v",
- len(hash), HashSize)
- }
-
- // Ensure contents match.
- if !bytes.Equal(hash[:], buf) {
- t.Errorf("NewHash: hash contents mismatch - got: %v, want: %v",
- hash[:], buf)
- }
-
- // Ensure contents of hash of block 234440 don't match 234439.
- if hash.IsEqual(blockHash) {
- t.Errorf("IsEqual: hash contents should not match - got: %v, want: %v",
- hash, blockHash)
- }
-
- // Set hash from byte slice and ensure contents match.
- err = hash.SetBytes(blockHash.CloneBytes())
- if err != nil {
- t.Errorf("SetBytes: %v", err)
- }
- if !hash.IsEqual(blockHash) {
- t.Errorf("IsEqual: hash contents mismatch - got: %v, want: %v",
- hash, blockHash)
- }
-
- // Ensure nil hashes are handled properly.
- if !(*Hash)(nil).IsEqual(nil) {
- t.Error("IsEqual: nil hashes should match")
- }
- if hash.IsEqual(nil) {
- t.Error("IsEqual: non-nil hash matches nil hash")
- }
-
- // Invalid size for SetBytes.
- err = hash.SetBytes([]byte{0x00})
- if err == nil {
- t.Errorf("SetBytes: failed to received expected err - got: nil")
- }
-
- // Invalid size for NewHash.
- invalidHash := make([]byte, HashSize+1)
- _, err = NewHash(invalidHash)
- if err == nil {
- t.Errorf("NewHash: failed to received expected err - got: nil")
- }
-}
-
-// TestHashString tests the stringized output for hashes.
-func TestHashString(t *testing.T) {
- // Block 100000 hash.
- wantStr := "000000000003ba27aa200b1cecaad478d2b00432346c3f1f3986da1afd33e506"
- hash := Hash([HashSize]byte{ // Make go vet happy.
- 0x06, 0xe5, 0x33, 0xfd, 0x1a, 0xda, 0x86, 0x39,
- 0x1f, 0x3f, 0x6c, 0x34, 0x32, 0x04, 0xb0, 0xd2,
- 0x78, 0xd4, 0xaa, 0xec, 0x1c, 0x0b, 0x20, 0xaa,
- 0x27, 0xba, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
- })
-
- hashStr := hash.String()
- if hashStr != wantStr {
- t.Errorf("String: wrong hash string - got %v, want %v",
- hashStr, wantStr)
- }
-}
-
-// TestNewHashFromStr executes tests against the NewHashFromStr function.
-func TestNewHashFromStr(t *testing.T) {
- tests := []struct {
- in string
- want Hash
- err error
- }{
- // Genesis hash.
- {
- "000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f",
- mainNetGenesisHash,
- nil,
- },
-
- // Genesis hash with stripped leading zeros.
- {
- "19d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f",
- mainNetGenesisHash,
- nil,
- },
-
- // Empty string.
- {
- "",
- Hash{},
- nil,
- },
-
- // Single digit hash.
- {
- "1",
- Hash([HashSize]byte{ // Make go vet happy.
- 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- }),
- nil,
- },
-
- // Block 203707 with stripped leading zeros.
- {
- "3264bc2ac36a60840790ba1d475d01367e7c723da941069e9dc",
- Hash([HashSize]byte{ // Make go vet happy.
- 0xdc, 0xe9, 0x69, 0x10, 0x94, 0xda, 0x23, 0xc7,
- 0xe7, 0x67, 0x13, 0xd0, 0x75, 0xd4, 0xa1, 0x0b,
- 0x79, 0x40, 0x08, 0xa6, 0x36, 0xac, 0xc2, 0x4b,
- 0x26, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- }),
- nil,
- },
-
- // Hash string that is too long.
- {
- "01234567890123456789012345678901234567890123456789012345678912345",
- Hash{},
- ErrHashStrSize,
- },
-
- // Hash string that is contains non-hex chars.
- {
- "abcdefg",
- Hash{},
- hex.InvalidByteError('g'),
- },
- }
-
- unexpectedErrStr := "NewHashFromStr #%d failed to detect expected error - got: %v want: %v"
- unexpectedResultStr := "NewHashFromStr #%d got: %v want: %v"
- t.Logf("Running %d tests", len(tests))
- for i, test := range tests {
- result, err := NewHashFromStr(test.in)
- if err != test.err {
- t.Errorf(unexpectedErrStr, i, err, test.err)
- continue
- } else if err != nil {
- // Got expected error. Move on to the next test.
- continue
- }
- if !test.want.IsEqual(result) {
- t.Errorf(unexpectedResultStr, i, result, &test.want)
- continue
- }
- }
-}
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