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1#include "unit-test.h"
2#include "hex.h"
3#include "strbuf.h"
4
5static void check_hash_data(const void *data, size_t data_length,
6 const char *expected_hashes[])
7{
8 cl_assert(data != NULL);
9
10 for (size_t i = 1; i < ARRAY_SIZE(hash_algos); i++) {
11 struct git_hash_ctx ctx;
12 unsigned char hash[GIT_MAX_HEXSZ];
13 const struct git_hash_algo *algop = &hash_algos[i];
14
15 algop->init_fn(&ctx);
16 git_hash_update(&ctx, data, data_length);
17 git_hash_final(hash, &ctx);
18
19 cl_assert_equal_s(hash_to_hex_algop(hash,algop), expected_hashes[i - 1]);
20 }
21}
22
23/* Works with a NUL terminated string. Doesn't work if it should contain a NUL character. */
24#define TEST_HASH_STR(data, expected_sha1, expected_sha256) do { \
25 const char *expected_hashes[] = { expected_sha1, expected_sha256 }; \
26 check_hash_data(data, strlen(data), expected_hashes); \
27 } while (0)
28
29/* Only works with a literal string, useful when it contains a NUL character. */
30#define TEST_HASH_LITERAL(literal, expected_sha1, expected_sha256) do { \
31 const char *expected_hashes[] = { expected_sha1, expected_sha256 }; \
32 check_hash_data(literal, (sizeof(literal) - 1), expected_hashes); \
33 } while (0)
34
35void test_hash__empty_string(void)
36{
37 TEST_HASH_STR("",
38 "da39a3ee5e6b4b0d3255bfef95601890afd80709",
39 "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855");
40}
41
42void test_hash__single_character(void)
43{
44 TEST_HASH_STR("a",
45 "86f7e437faa5a7fce15d1ddcb9eaeaea377667b8",
46 "ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb");
47}
48
49void test_hash__multi_character(void)
50{
51 TEST_HASH_STR("abc",
52 "a9993e364706816aba3e25717850c26c9cd0d89d",
53 "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad");
54}
55
56void test_hash__message_digest(void)
57{
58 TEST_HASH_STR("message digest",
59 "c12252ceda8be8994d5fa0290a47231c1d16aae3",
60 "f7846f55cf23e14eebeab5b4e1550cad5b509e3348fbc4efa3a1413d393cb650");
61}
62
63void test_hash__alphabet(void)
64{
65 TEST_HASH_STR("abcdefghijklmnopqrstuvwxyz",
66 "32d10c7b8cf96570ca04ce37f2a19d84240d3a89",
67 "71c480df93d6ae2f1efad1447c66c9525e316218cf51fc8d9ed832f2daf18b73");
68}
69
70void test_hash__aaaaaaaaaa_100000(void)
71{
72 struct strbuf aaaaaaaaaa_100000 = STRBUF_INIT;
73 strbuf_addstrings(&aaaaaaaaaa_100000, "aaaaaaaaaa", 100000);
74 TEST_HASH_STR(aaaaaaaaaa_100000.buf,
75 "34aa973cd4c4daa4f61eeb2bdbad27316534016f",
76 "cdc76e5c9914fb9281a1c7e284d73e67f1809a48a497200e046d39ccc7112cd0");
77 strbuf_release(&aaaaaaaaaa_100000);
78}
79
80void test_hash__alphabet_100000(void)
81{
82 struct strbuf alphabet_100000 = STRBUF_INIT;
83 strbuf_addstrings(&alphabet_100000, "abcdefghijklmnopqrstuvwxyz", 100000);
84 TEST_HASH_STR(alphabet_100000.buf,
85 "e7da7c55b3484fdf52aebec9cbe7b85a98f02fd4",
86 "e406ba321ca712ad35a698bf0af8d61fc4dc40eca6bdcea4697962724ccbde35");
87 strbuf_release(&alphabet_100000);
88}
89
90void test_hash__zero_blob_literal(void)
91{
92 TEST_HASH_LITERAL("blob 0\0",
93 "e69de29bb2d1d6434b8b29ae775ad8c2e48c5391",
94 "473a0f4c3be8a93681a267e3b1e9a7dcda1185436fe141f7749120a303721813");
95}
96
97void test_hash__three_blob_literal(void)
98{
99 TEST_HASH_LITERAL("blob 3\0abc",
100 "f2ba8f84ab5c1bce84a7b441cb1959cfc7093b7f",
101 "c1cf6e465077930e88dc5136641d402f72a229ddd996f627d60e9639eaba35a6");
102}
103
104void test_hash__zero_tree_literal(void)
105{
106 TEST_HASH_LITERAL("tree 0\0",
107 "4b825dc642cb6eb9a060e54bf8d69288fbee4904",
108 "6ef19b41225c5369f1c104d45d8d85efa9b057b53b14b4b9b939dd74decc5321");
109}