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Commit | Line | Data |
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40ed4990 | 1 | #include "clar_libgit2.h" |
7d490872 | 2 | #include "thread_helpers.h" |
40ed4990 | 3 | |
8a2834d3 RB |
4 | static git_repository *_repo; |
5 | static git_tree *_a, *_b; | |
6 | static git_atomic _counts[4]; | |
7 | static int _check_counts; | |
40ed4990 | 8 | |
7d490872 RB |
9 | #define THREADS 20 |
10 | ||
40ed4990 RB |
11 | void test_threads_diff__cleanup(void) |
12 | { | |
13 | cl_git_sandbox_cleanup(); | |
14 | } | |
15 | ||
40ed4990 RB |
16 | static void setup_trees(void) |
17 | { | |
ea642d61 RB |
18 | git_index *idx; |
19 | ||
7d490872 RB |
20 | _repo = cl_git_sandbox_reopen(); /* reopen sandbox to flush caches */ |
21 | ||
ea642d61 RB |
22 | /* avoid competing to load initial index */ |
23 | cl_git_pass(git_repository_index(&idx, _repo)); | |
24 | git_index_free(idx); | |
25 | ||
40ed4990 | 26 | cl_git_pass(git_revparse_single( |
8a2834d3 | 27 | (git_object **)&_a, _repo, "0017bd4ab1^{tree}")); |
40ed4990 | 28 | cl_git_pass(git_revparse_single( |
8a2834d3 | 29 | (git_object **)&_b, _repo, "26a125ee1b^{tree}")); |
40ed4990 | 30 | |
8a2834d3 | 31 | memset(_counts, 0, sizeof(_counts)); |
40ed4990 RB |
32 | } |
33 | ||
40ed4990 RB |
34 | static void free_trees(void) |
35 | { | |
8a2834d3 RB |
36 | git_tree_free(_a); _a = NULL; |
37 | git_tree_free(_b); _b = NULL; | |
38 | ||
39 | if (_check_counts) { | |
40 | cl_assert_equal_i(288, git_atomic_get(&_counts[0])); | |
41 | cl_assert_equal_i(112, git_atomic_get(&_counts[1])); | |
42 | cl_assert_equal_i( 80, git_atomic_get(&_counts[2])); | |
43 | cl_assert_equal_i( 96, git_atomic_get(&_counts[3])); | |
44 | } | |
40ed4990 RB |
45 | } |
46 | ||
47 | static void *run_index_diffs(void *arg) | |
48 | { | |
49 | int thread = *(int *)arg; | |
50 | git_diff_options opts = GIT_DIFF_OPTIONS_INIT; | |
51 | git_diff *diff = NULL; | |
52 | size_t i; | |
53 | int exp[4] = { 0, 0, 0, 0 }; | |
54 | ||
40ed4990 RB |
55 | switch (thread & 0x03) { |
56 | case 0: /* diff index to workdir */; | |
8a2834d3 | 57 | cl_git_pass(git_diff_index_to_workdir(&diff, _repo, NULL, &opts)); |
40ed4990 RB |
58 | break; |
59 | case 1: /* diff tree 'a' to index */; | |
8a2834d3 | 60 | cl_git_pass(git_diff_tree_to_index(&diff, _repo, _a, NULL, &opts)); |
40ed4990 RB |
61 | break; |
62 | case 2: /* diff tree 'b' to index */; | |
8a2834d3 | 63 | cl_git_pass(git_diff_tree_to_index(&diff, _repo, _b, NULL, &opts)); |
40ed4990 RB |
64 | break; |
65 | case 3: /* diff index to workdir (explicit index) */; | |
66 | { | |
67 | git_index *idx; | |
8a2834d3 RB |
68 | cl_git_pass(git_repository_index(&idx, _repo)); |
69 | cl_git_pass(git_diff_index_to_workdir(&diff, _repo, idx, &opts)); | |
40ed4990 RB |
70 | git_index_free(idx); |
71 | break; | |
72 | } | |
73 | } | |
74 | ||
40ed4990 RB |
75 | /* keep some diff stats to make sure results are as expected */ |
76 | ||
77 | i = git_diff_num_deltas(diff); | |
8a2834d3 | 78 | git_atomic_add(&_counts[0], (int32_t)i); |
40ed4990 RB |
79 | exp[0] = (int)i; |
80 | ||
81 | while (i > 0) { | |
82 | switch (git_diff_get_delta(diff, --i)->status) { | |
8a2834d3 RB |
83 | case GIT_DELTA_MODIFIED: exp[1]++; git_atomic_inc(&_counts[1]); break; |
84 | case GIT_DELTA_ADDED: exp[2]++; git_atomic_inc(&_counts[2]); break; | |
85 | case GIT_DELTA_DELETED: exp[3]++; git_atomic_inc(&_counts[3]); break; | |
40ed4990 RB |
86 | default: break; |
87 | } | |
88 | } | |
89 | ||
40ed4990 RB |
90 | switch (thread & 0x03) { |
91 | case 0: case 3: | |
92 | cl_assert_equal_i(8, exp[0]); cl_assert_equal_i(4, exp[1]); | |
93 | cl_assert_equal_i(0, exp[2]); cl_assert_equal_i(4, exp[3]); | |
94 | break; | |
95 | case 1: | |
96 | cl_assert_equal_i(12, exp[0]); cl_assert_equal_i(3, exp[1]); | |
97 | cl_assert_equal_i(7, exp[2]); cl_assert_equal_i(2, exp[3]); | |
98 | break; | |
99 | case 2: | |
100 | cl_assert_equal_i(8, exp[0]); cl_assert_equal_i(3, exp[1]); | |
101 | cl_assert_equal_i(3, exp[2]); cl_assert_equal_i(2, exp[3]); | |
102 | break; | |
103 | } | |
104 | ||
105 | git_diff_free(diff); | |
83038272 | 106 | giterr_clear(); |
40ed4990 RB |
107 | |
108 | return arg; | |
109 | } | |
110 | ||
111 | void test_threads_diff__concurrent_diffs(void) | |
112 | { | |
8a2834d3 RB |
113 | _repo = cl_git_sandbox_init("status"); |
114 | _check_counts = 1; | |
40ed4990 RB |
115 | |
116 | run_in_parallel( | |
ea642d61 | 117 | 5, 32, run_index_diffs, setup_trees, free_trees); |
40ed4990 | 118 | } |
8a2834d3 RB |
119 | |
120 | static void *run_index_diffs_with_modifier(void *arg) | |
121 | { | |
122 | int thread = *(int *)arg; | |
123 | git_diff_options opts = GIT_DIFF_OPTIONS_INIT; | |
124 | git_diff *diff = NULL; | |
125 | git_index *idx = NULL; | |
126 | ||
127 | cl_git_pass(git_repository_index(&idx, _repo)); | |
128 | ||
129 | /* have first thread altering the index as we go */ | |
130 | if (thread == 0) { | |
131 | int i; | |
132 | ||
133 | for (i = 0; i < 300; ++i) { | |
134 | switch (i & 0x03) { | |
135 | case 0: (void)git_index_add_bypath(idx, "new_file"); break; | |
136 | case 1: (void)git_index_remove_bypath(idx, "modified_file"); break; | |
137 | case 2: (void)git_index_remove_bypath(idx, "new_file"); break; | |
138 | case 3: (void)git_index_add_bypath(idx, "modified_file"); break; | |
139 | } | |
140 | git_thread_yield(); | |
141 | } | |
142 | ||
83038272 | 143 | goto done; |
8a2834d3 RB |
144 | } |
145 | ||
146 | /* only use explicit index in this test to prevent reloading */ | |
147 | ||
148 | switch (thread & 0x03) { | |
149 | case 0: /* diff index to workdir */; | |
150 | cl_git_pass(git_diff_index_to_workdir(&diff, _repo, idx, &opts)); | |
151 | break; | |
152 | case 1: /* diff tree 'a' to index */; | |
153 | cl_git_pass(git_diff_tree_to_index(&diff, _repo, _a, idx, &opts)); | |
154 | break; | |
155 | case 2: /* diff tree 'b' to index */; | |
156 | cl_git_pass(git_diff_tree_to_index(&diff, _repo, _b, idx, &opts)); | |
157 | break; | |
158 | case 3: /* diff index to workdir reversed */; | |
159 | opts.flags |= GIT_DIFF_REVERSE; | |
160 | cl_git_pass(git_diff_index_to_workdir(&diff, _repo, idx, &opts)); | |
161 | break; | |
162 | } | |
163 | ||
164 | /* results will be unpredictable with index modifier thread running */ | |
165 | ||
166 | git_diff_free(diff); | |
83038272 RB |
167 | |
168 | done: | |
8a2834d3 | 169 | git_index_free(idx); |
83038272 | 170 | giterr_clear(); |
8a2834d3 RB |
171 | |
172 | return arg; | |
173 | } | |
174 | ||
175 | void test_threads_diff__with_concurrent_index_modified(void) | |
176 | { | |
177 | _repo = cl_git_sandbox_init("status"); | |
178 | _check_counts = 0; | |
179 | ||
180 | run_in_parallel( | |
ea642d61 | 181 | 5, 16, run_index_diffs_with_modifier, setup_trees, free_trees); |
8a2834d3 | 182 | } |