github.com/palcoin-project/palcd@v1.0.0/chaincfg/chainhash/hashfuncs_test.go (about)

     1  // Copyright (c) 2016 The btcsuite developers
     2  // Use of this source code is governed by an ISC
     3  // license that can be found in the LICENSE file.
     4  
     5  package chainhash
     6  
     7  import (
     8  	"fmt"
     9  	"testing"
    10  )
    11  
    12  // TestHashFuncs ensures the hash functions which perform hash(b) work as
    13  // expected.
    14  func TestHashFuncs(t *testing.T) {
    15  	tests := []struct {
    16  		out string
    17  		in  string
    18  	}{
    19  		{"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", ""},
    20  		{"ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb", "a"},
    21  		{"fb8e20fc2e4c3f248c60c39bd652f3c1347298bb977b8b4d5903b85055620603", "ab"},
    22  		{"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad", "abc"},
    23  		{"88d4266fd4e6338d13b845fcf289579d209c897823b9217da3e161936f031589", "abcd"},
    24  		{"36bbe50ed96841d10443bcb670d6554f0a34b761be67ec9c4a8ad2c0c44ca42c", "abcde"},
    25  		{"bef57ec7f53a6d40beb640a780a639c83bc29ac8a9816f1fc6c5c6dcd93c4721", "abcdef"},
    26  		{"7d1a54127b222502f5b79b5fb0803061152a44f92b37e23c6527baf665d4da9a", "abcdefg"},
    27  		{"9c56cc51b374c3ba189210d5b6d4bf57790d351c96c47c02190ecf1e430635ab", "abcdefgh"},
    28  		{"19cc02f26df43cc571bc9ed7b0c4d29224a3ec229529221725ef76d021c8326f", "abcdefghi"},
    29  		{"72399361da6a7754fec986dca5b7cbaf1c810a28ded4abaf56b2106d06cb78b0", "abcdefghij"},
    30  		{"a144061c271f152da4d151034508fed1c138b8c976339de229c3bb6d4bbb4fce", "Discard medicine more than two years old."},
    31  		{"6dae5caa713a10ad04b46028bf6dad68837c581616a1589a265a11288d4bb5c4", "He who has a shady past knows that nice guys finish last."},
    32  		{"ae7a702a9509039ddbf29f0765e70d0001177914b86459284dab8b348c2dce3f", "I wouldn't marry him with a ten foot pole."},
    33  		{"6748450b01c568586715291dfa3ee018da07d36bb7ea6f180c1af6270215c64f", "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave"},
    34  		{"14b82014ad2b11f661b5ae6a99b75105c2ffac278cd071cd6c05832793635774", "The days of the digital watch are numbered.  -Tom Stoppard"},
    35  		{"7102cfd76e2e324889eece5d6c41921b1e142a4ac5a2692be78803097f6a48d8", "Nepal premier won't resign."},
    36  		{"23b1018cd81db1d67983c5f7417c44da9deb582459e378d7a068552ea649dc9f", "For every action there is an equal and opposite government program."},
    37  		{"8001f190dfb527261c4cfcab70c98e8097a7a1922129bc4096950e57c7999a5a", "His money is twice tainted: 'taint yours and 'taint mine."},
    38  		{"8c87deb65505c3993eb24b7a150c4155e82eee6960cf0c3a8114ff736d69cad5", "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977"},
    39  		{"bfb0a67a19cdec3646498b2e0f751bddc41bba4b7f30081b0b932aad214d16d7", "It's a tiny change to the code and not completely disgusting. - Bob Manchek"},
    40  		{"7f9a0b9bf56332e19f5a0ec1ad9c1425a153da1c624868fda44561d6b74daf36", "size:  a.out:  bad magic"},
    41  		{"b13f81b8aad9e3666879af19886140904f7f429ef083286195982a7588858cfc", "The major problem is with sendmail.  -Mark Horton"},
    42  		{"b26c38d61519e894480c70c8374ea35aa0ad05b2ae3d6674eec5f52a69305ed4", "Give me a rock, paper and scissors and I will move the world.  CCFestoon"},
    43  		{"049d5e26d4f10222cd841a119e38bd8d2e0d1129728688449575d4ff42b842c1", "If the enemy is within range, then so are you."},
    44  		{"0e116838e3cc1c1a14cd045397e29b4d087aa11b0853fc69ec82e90330d60949", "It's well we cannot hear the screams/That we create in others' dreams."},
    45  		{"4f7d8eb5bcf11de2a56b971021a444aa4eafd6ecd0f307b5109e4e776cd0fe46", "You remind me of a TV show, but that's all right: I watch it anyway."},
    46  		{"61c0cc4c4bd8406d5120b3fb4ebc31ce87667c162f29468b3c779675a85aebce", "C is as portable as Stonehedge!!"},
    47  		{"1fb2eb3688093c4a3f80cd87a5547e2ce940a4f923243a79a2a1e242220693ac", "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley"},
    48  		{"395585ce30617b62c80b93e8208ce866d4edc811a177fdb4b82d3911d8696423", "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction.  Lewis-Randall Rule"},
    49  		{"4f9b189a13d030838269dce846b16a1ce9ce81fe63e65de2f636863336a98fe6", "How can you write a big system without C++?  -Paul Glick"},
    50  	}
    51  
    52  	// Ensure the hash function which returns a byte slice returns the
    53  	// expected result.
    54  	for _, test := range tests {
    55  		h := fmt.Sprintf("%x", HashB([]byte(test.in)))
    56  		if h != test.out {
    57  			t.Errorf("HashB(%q) = %s, want %s", test.in, h, test.out)
    58  			continue
    59  		}
    60  	}
    61  
    62  	// Ensure the hash function which returns a Hash returns the expected
    63  	// result.
    64  	for _, test := range tests {
    65  		hash := HashH([]byte(test.in))
    66  		h := fmt.Sprintf("%x", hash[:])
    67  		if h != test.out {
    68  			t.Errorf("HashH(%q) = %s, want %s", test.in, h, test.out)
    69  			continue
    70  		}
    71  	}
    72  }
    73  
    74  // TestDoubleHashFuncs ensures the hash functions which perform hash(hash(b))
    75  // work as expected.
    76  func TestDoubleHashFuncs(t *testing.T) {
    77  	tests := []struct {
    78  		out string
    79  		in  string
    80  	}{
    81  		{"5df6e0e2761359d30a8275058e299fcc0381534545f55cf43e41983f5d4c9456", ""},
    82  		{"bf5d3affb73efd2ec6c36ad3112dd933efed63c4e1cbffcfa88e2759c144f2d8", "a"},
    83  		{"a1ff8f1856b5e24e32e3882edd4a021f48f28a8b21854b77fdef25a97601aace", "ab"},
    84  		{"4f8b42c22dd3729b519ba6f68d2da7cc5b2d606d05daed5ad5128cc03e6c6358", "abc"},
    85  		{"7e9c158ecd919fa439a7a214c9fc58b85c3177fb1613bdae41ee695060e11bc6", "abcd"},
    86  		{"1d72b6eb7ba8b9709c790b33b40d8c46211958e13cf85dbcda0ed201a99f2fb9", "abcde"},
    87  		{"ce65d4756128f0035cba4d8d7fae4e9fa93cf7fdf12c0f83ee4a0e84064bef8a", "abcdef"},
    88  		{"dad6b965ad86b880ceb6993f98ebeeb242de39f6b87a458c6510b5a15ff7bbf1", "abcdefg"},
    89  		{"b9b12e7125f73fda20b8c4161fb9b4b146c34cf88595a1e0503ca2cf44c86bc4", "abcdefgh"},
    90  		{"546db09160636e98405fbec8464a84b6464b32514db259e235eae0445346ffb7", "abcdefghi"},
    91  		{"27635cf23fdf8a10f4cb2c52ade13038c38718c6d7ca716bfe726111a57ad201", "abcdefghij"},
    92  		{"ae0d8e0e7c0336f0c3a72cefa4f24b625a6a460417a921d066058a0b81e23429", "Discard medicine more than two years old."},
    93  		{"eeb56d02cf638f87ea8f11ebd5b0201afcece984d87be458578d3cfb51978f1b", "He who has a shady past knows that nice guys finish last."},
    94  		{"dc640bf529608a381ea7065ecbcd0443b95f6e4c008de6e134aff1d36bd4b9d8", "I wouldn't marry him with a ten foot pole."},
    95  		{"42e54375e60535eb07fc15c6350e10f2c22526f84db1d6f6bba925e154486f33", "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave"},
    96  		{"4ed6aa9b88c84afbf928710b03714de69e2ad967c6a78586069adcb4c470d150", "The days of the digital watch are numbered.  -Tom Stoppard"},
    97  		{"590c24d1877c1919fad12fe01a8796999e9d20cfbf9bc9bc72fa0bd69f0b04dd", "Nepal premier won't resign."},
    98  		{"37d270687ee8ebafcd3c1a32f56e1e1304b3c93f252cb637d57a66d59c475eca", "For every action there is an equal and opposite government program."},
    99  		{"306828fd89278838bb1c544c3032a1fd25ea65c40bba586437568828a5fbe944", "His money is twice tainted: 'taint yours and 'taint mine."},
   100  		{"49965777eac71faf1e2fb0f6b239ba2fae770977940fd827bcbfe15def6ded53", "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977"},
   101  		{"df99ee4e87dd3fb07922dee7735997bbae8f26db20c86137d4219fc4a37b77c3", "It's a tiny change to the code and not completely disgusting. - Bob Manchek"},
   102  		{"920667c84a15b5ee3df4620169f5c0ec930cea0c580858e50e68848871ed65b4", "size:  a.out:  bad magic"},
   103  		{"5e817fe20848a4a3932db68e90f8d54ec1b09603f0c99fdc051892b776acd462", "The major problem is with sendmail.  -Mark Horton"},
   104  		{"6a9d47248ed38852f5f4b2e37e7dfad0ce8d1da86b280feef94ef267e468cff2", "Give me a rock, paper and scissors and I will move the world.  CCFestoon"},
   105  		{"2e7aa1b362c94efdbff582a8bd3f7f61c8ce4c25bbde658ef1a7ae1010e2126f", "If the enemy is within range, then so are you."},
   106  		{"e6729d51240b1e1da76d822fd0c55c75e409bcb525674af21acae1f11667c8ca", "It's well we cannot hear the screams/That we create in others' dreams."},
   107  		{"09945e4d2743eb669f85e4097aa1cc39ea680a0b2ae2a65a42a5742b3b809610", "You remind me of a TV show, but that's all right: I watch it anyway."},
   108  		{"1018d8b2870a974887c5174360f0fbaf27958eef15b24522a605c5dae4ae0845", "C is as portable as Stonehedge!!"},
   109  		{"97c76b83c6645c78c261dcdc55d44af02d9f1df8057f997fd08c310c903624d5", "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley"},
   110  		{"6bcbf25469e9544c5b5806b24220554fedb6695ba9b1510a76837414f7adb113", "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction.  Lewis-Randall Rule"},
   111  		{"1041988b06835481f0845be2a54f4628e1da26145b2de7ad1be3bb643cef9d4f", "How can you write a big system without C++?  -Paul Glick"},
   112  	}
   113  
   114  	// Ensure the hash function which returns a byte slice returns the
   115  	// expected result.
   116  	for _, test := range tests {
   117  		h := fmt.Sprintf("%x", DoubleHashB([]byte(test.in)))
   118  		if h != test.out {
   119  			t.Errorf("DoubleHashB(%q) = %s, want %s", test.in, h,
   120  				test.out)
   121  			continue
   122  		}
   123  	}
   124  
   125  	// Ensure the hash function which returns a Hash returns the expected
   126  	// result.
   127  	for _, test := range tests {
   128  		hash := DoubleHashH([]byte(test.in))
   129  		h := fmt.Sprintf("%x", hash[:])
   130  		if h != test.out {
   131  			t.Errorf("DoubleHashH(%q) = %s, want %s", test.in, h,
   132  				test.out)
   133  			continue
   134  		}
   135  	}
   136  }