diff options
Diffstat (limited to 'tests/util/gitstr.c')
| -rw-r--r-- | tests/util/gitstr.c | 1044 |
1 files changed, 1044 insertions, 0 deletions
diff --git a/tests/util/gitstr.c b/tests/util/gitstr.c new file mode 100644 index 000000000..aea35565b --- /dev/null +++ b/tests/util/gitstr.c @@ -0,0 +1,1044 @@ +#include "clar_libgit2.h" +#include "futils.h" + +#define TESTSTR "Have you seen that? Have you seeeen that??" +const char *test_string = TESTSTR; +const char *test_string_x2 = TESTSTR TESTSTR; + +#define TESTSTR_4096 REP1024("1234") +#define TESTSTR_8192 REP1024("12341234") +const char *test_4096 = TESTSTR_4096; +const char *test_8192 = TESTSTR_8192; + +/* test basic data concatenation */ +void test_gitstr__0(void) +{ + git_str buf = GIT_STR_INIT; + + cl_assert(buf.size == 0); + + git_str_puts(&buf, test_string); + cl_assert(git_str_oom(&buf) == 0); + cl_assert_equal_s(test_string, git_str_cstr(&buf)); + + git_str_puts(&buf, test_string); + cl_assert(git_str_oom(&buf) == 0); + cl_assert_equal_s(test_string_x2, git_str_cstr(&buf)); + + git_str_dispose(&buf); +} + +/* test git_str_printf */ +void test_gitstr__1(void) +{ + git_str buf = GIT_STR_INIT; + + git_str_printf(&buf, "%s %s %d ", "shoop", "da", 23); + cl_assert(git_str_oom(&buf) == 0); + cl_assert_equal_s("shoop da 23 ", git_str_cstr(&buf)); + + git_str_printf(&buf, "%s %d", "woop", 42); + cl_assert(git_str_oom(&buf) == 0); + cl_assert_equal_s("shoop da 23 woop 42", git_str_cstr(&buf)); + + git_str_dispose(&buf); +} + +/* more thorough test of concatenation options */ +void test_gitstr__2(void) +{ + git_str buf = GIT_STR_INIT; + int i; + char data[128]; + + cl_assert(buf.size == 0); + + /* this must be safe to do */ + git_str_dispose(&buf); + cl_assert(buf.size == 0); + cl_assert(buf.asize == 0); + + /* empty buffer should be empty string */ + cl_assert_equal_s("", git_str_cstr(&buf)); + cl_assert(buf.size == 0); + /* cl_assert(buf.asize == 0); -- should not assume what git_str does */ + + /* free should set us back to the beginning */ + git_str_dispose(&buf); + cl_assert(buf.size == 0); + cl_assert(buf.asize == 0); + + /* add letter */ + git_str_putc(&buf, '+'); + cl_assert(git_str_oom(&buf) == 0); + cl_assert_equal_s("+", git_str_cstr(&buf)); + + /* add letter again */ + git_str_putc(&buf, '+'); + cl_assert(git_str_oom(&buf) == 0); + cl_assert_equal_s("++", git_str_cstr(&buf)); + + /* let's try that a few times */ + for (i = 0; i < 16; ++i) { + git_str_putc(&buf, '+'); + cl_assert(git_str_oom(&buf) == 0); + } + cl_assert_equal_s("++++++++++++++++++", git_str_cstr(&buf)); + + git_str_dispose(&buf); + + /* add data */ + git_str_put(&buf, "xo", 2); + cl_assert(git_str_oom(&buf) == 0); + cl_assert_equal_s("xo", git_str_cstr(&buf)); + + /* add letter again */ + git_str_put(&buf, "xo", 2); + cl_assert(git_str_oom(&buf) == 0); + cl_assert_equal_s("xoxo", git_str_cstr(&buf)); + + /* let's try that a few times */ + for (i = 0; i < 16; ++i) { + git_str_put(&buf, "xo", 2); + cl_assert(git_str_oom(&buf) == 0); + } + cl_assert_equal_s("xoxoxoxoxoxoxoxoxoxoxoxoxoxoxoxoxoxo", + git_str_cstr(&buf)); + + git_str_dispose(&buf); + + /* set to string */ + git_str_sets(&buf, test_string); + cl_assert(git_str_oom(&buf) == 0); + cl_assert_equal_s(test_string, git_str_cstr(&buf)); + + /* append string */ + git_str_puts(&buf, test_string); + cl_assert(git_str_oom(&buf) == 0); + cl_assert_equal_s(test_string_x2, git_str_cstr(&buf)); + + /* set to string again (should overwrite - not append) */ + git_str_sets(&buf, test_string); + cl_assert(git_str_oom(&buf) == 0); + cl_assert_equal_s(test_string, git_str_cstr(&buf)); + + /* test clear */ + git_str_clear(&buf); + cl_assert_equal_s("", git_str_cstr(&buf)); + + git_str_dispose(&buf); + + /* test extracting data into buffer */ + git_str_puts(&buf, REP4("0123456789")); + cl_assert(git_str_oom(&buf) == 0); + + git_str_copy_cstr(data, sizeof(data), &buf); + cl_assert_equal_s(REP4("0123456789"), data); + git_str_copy_cstr(data, 11, &buf); + cl_assert_equal_s("0123456789", data); + git_str_copy_cstr(data, 3, &buf); + cl_assert_equal_s("01", data); + git_str_copy_cstr(data, 1, &buf); + cl_assert_equal_s("", data); + + git_str_copy_cstr(data, sizeof(data), &buf); + cl_assert_equal_s(REP4("0123456789"), data); + + git_str_sets(&buf, REP256("x")); + git_str_copy_cstr(data, sizeof(data), &buf); + /* since sizeof(data) == 128, only 127 bytes should be copied */ + cl_assert_equal_s(REP4(REP16("x")) REP16("x") REP16("x") + REP16("x") "xxxxxxxxxxxxxxx", data); + + git_str_dispose(&buf); + + git_str_copy_cstr(data, sizeof(data), &buf); + cl_assert_equal_s("", data); +} + +/* let's do some tests with larger buffers to push our limits */ +void test_gitstr__3(void) +{ + git_str buf = GIT_STR_INIT; + + /* set to string */ + git_str_set(&buf, test_4096, 4096); + cl_assert(git_str_oom(&buf) == 0); + cl_assert_equal_s(test_4096, git_str_cstr(&buf)); + + /* append string */ + git_str_puts(&buf, test_4096); + cl_assert(git_str_oom(&buf) == 0); + cl_assert_equal_s(test_8192, git_str_cstr(&buf)); + + /* set to string again (should overwrite - not append) */ + git_str_set(&buf, test_4096, 4096); + cl_assert(git_str_oom(&buf) == 0); + cl_assert_equal_s(test_4096, git_str_cstr(&buf)); + + git_str_dispose(&buf); +} + +/* let's try some producer/consumer tests */ +void test_gitstr__4(void) +{ + git_str buf = GIT_STR_INIT; + int i; + + for (i = 0; i < 10; ++i) { + git_str_puts(&buf, "1234"); /* add 4 */ + cl_assert(git_str_oom(&buf) == 0); + git_str_consume(&buf, buf.ptr + 2); /* eat the first two */ + cl_assert(strlen(git_str_cstr(&buf)) == (size_t)((i + 1) * 2)); + } + /* we have appended 1234 10x and removed the first 20 letters */ + cl_assert_equal_s("12341234123412341234", git_str_cstr(&buf)); + + git_str_consume(&buf, NULL); + cl_assert_equal_s("12341234123412341234", git_str_cstr(&buf)); + + git_str_consume(&buf, "invalid pointer"); + cl_assert_equal_s("12341234123412341234", git_str_cstr(&buf)); + + git_str_consume(&buf, buf.ptr); + cl_assert_equal_s("12341234123412341234", git_str_cstr(&buf)); + + git_str_consume(&buf, buf.ptr + 1); + cl_assert_equal_s("2341234123412341234", git_str_cstr(&buf)); + + git_str_consume(&buf, buf.ptr + buf.size); + cl_assert_equal_s("", git_str_cstr(&buf)); + + git_str_dispose(&buf); +} + + +static void +check_buf_append( + const char* data_a, + const char* data_b, + const char* expected_data, + size_t expected_size, + size_t expected_asize) +{ + git_str tgt = GIT_STR_INIT; + + git_str_sets(&tgt, data_a); + cl_assert(git_str_oom(&tgt) == 0); + git_str_puts(&tgt, data_b); + cl_assert(git_str_oom(&tgt) == 0); + cl_assert_equal_s(expected_data, git_str_cstr(&tgt)); + cl_assert_equal_i(tgt.size, expected_size); + if (expected_asize > 0) + cl_assert_equal_i(tgt.asize, expected_asize); + + git_str_dispose(&tgt); +} + +static void +check_buf_append_abc( + const char* buf_a, + const char* buf_b, + const char* buf_c, + const char* expected_ab, + const char* expected_abc, + const char* expected_abca, + const char* expected_abcab, + const char* expected_abcabc) +{ + git_str buf = GIT_STR_INIT; + + git_str_sets(&buf, buf_a); + cl_assert(git_str_oom(&buf) == 0); + cl_assert_equal_s(buf_a, git_str_cstr(&buf)); + + git_str_puts(&buf, buf_b); + cl_assert(git_str_oom(&buf) == 0); + cl_assert_equal_s(expected_ab, git_str_cstr(&buf)); + + git_str_puts(&buf, buf_c); + cl_assert(git_str_oom(&buf) == 0); + cl_assert_equal_s(expected_abc, git_str_cstr(&buf)); + + git_str_puts(&buf, buf_a); + cl_assert(git_str_oom(&buf) == 0); + cl_assert_equal_s(expected_abca, git_str_cstr(&buf)); + + git_str_puts(&buf, buf_b); + cl_assert(git_str_oom(&buf) == 0); + cl_assert_equal_s(expected_abcab, git_str_cstr(&buf)); + + git_str_puts(&buf, buf_c); + cl_assert(git_str_oom(&buf) == 0); + cl_assert_equal_s(expected_abcabc, git_str_cstr(&buf)); + + git_str_dispose(&buf); +} + +/* more variations on append tests */ +void test_gitstr__5(void) +{ + check_buf_append("", "", "", 0, 0); + check_buf_append("a", "", "a", 1, 0); + check_buf_append("", "a", "a", 1, 8); + check_buf_append("", "a", "a", 1, 8); + check_buf_append("a", "b", "ab", 2, 8); + check_buf_append("", "abcdefgh", "abcdefgh", 8, 16); + check_buf_append("abcdefgh", "", "abcdefgh", 8, 16); + + /* buffer with starting asize will grow to: + * 1 -> 2, 2 -> 3, 3 -> 5, 4 -> 6, 5 -> 8, 6 -> 9, + * 7 -> 11, 8 -> 12, 9 -> 14, 10 -> 15, 11 -> 17, 12 -> 18, + * 13 -> 20, 14 -> 21, 15 -> 23, 16 -> 24, 17 -> 26, 18 -> 27, + * 19 -> 29, 20 -> 30, 21 -> 32, 22 -> 33, 23 -> 35, 24 -> 36, + * ... + * follow sequence until value > target size, + * then round up to nearest multiple of 8. + */ + + check_buf_append("abcdefgh", "/", "abcdefgh/", 9, 16); + check_buf_append("abcdefgh", "ijklmno", "abcdefghijklmno", 15, 16); + check_buf_append("abcdefgh", "ijklmnop", "abcdefghijklmnop", 16, 24); + check_buf_append("0123456789", "0123456789", + "01234567890123456789", 20, 24); + check_buf_append(REP16("x"), REP16("o"), + REP16("x") REP16("o"), 32, 40); + + check_buf_append(test_4096, "", test_4096, 4096, 4104); + check_buf_append(test_4096, test_4096, test_8192, 8192, 8200); + + /* check sequences of appends */ + check_buf_append_abc("a", "b", "c", + "ab", "abc", "abca", "abcab", "abcabc"); + check_buf_append_abc("a1", "b2", "c3", + "a1b2", "a1b2c3", "a1b2c3a1", + "a1b2c3a1b2", "a1b2c3a1b2c3"); + check_buf_append_abc("a1/", "b2/", "c3/", + "a1/b2/", "a1/b2/c3/", "a1/b2/c3/a1/", + "a1/b2/c3/a1/b2/", "a1/b2/c3/a1/b2/c3/"); +} + +/* test swap */ +void test_gitstr__6(void) +{ + git_str a = GIT_STR_INIT; + git_str b = GIT_STR_INIT; + + git_str_sets(&a, "foo"); + cl_assert(git_str_oom(&a) == 0); + git_str_sets(&b, "bar"); + cl_assert(git_str_oom(&b) == 0); + + cl_assert_equal_s("foo", git_str_cstr(&a)); + cl_assert_equal_s("bar", git_str_cstr(&b)); + + git_str_swap(&a, &b); + + cl_assert_equal_s("bar", git_str_cstr(&a)); + cl_assert_equal_s("foo", git_str_cstr(&b)); + + git_str_dispose(&a); + git_str_dispose(&b); +} + + +/* test detach/attach data */ +void test_gitstr__7(void) +{ + const char *fun = "This is fun"; + git_str a = GIT_STR_INIT; + char *b = NULL; + + git_str_sets(&a, "foo"); + cl_assert(git_str_oom(&a) == 0); + cl_assert_equal_s("foo", git_str_cstr(&a)); + + b = git_str_detach(&a); + + cl_assert_equal_s("foo", b); + cl_assert_equal_s("", a.ptr); + git__free(b); + + b = git_str_detach(&a); + + cl_assert_equal_s(NULL, b); + cl_assert_equal_s("", a.ptr); + + git_str_dispose(&a); + + b = git__strdup(fun); + git_str_attach(&a, b, 0); + + cl_assert_equal_s(fun, a.ptr); + cl_assert(a.size == strlen(fun)); + cl_assert(a.asize == strlen(fun) + 1); + + git_str_dispose(&a); + + b = git__strdup(fun); + git_str_attach(&a, b, strlen(fun) + 1); + + cl_assert_equal_s(fun, a.ptr); + cl_assert(a.size == strlen(fun)); + cl_assert(a.asize == strlen(fun) + 1); + + git_str_dispose(&a); +} + + +static void +check_joinbuf_2( + const char *a, + const char *b, + const char *expected) +{ + char sep = '/'; + git_str buf = GIT_STR_INIT; + + git_str_join(&buf, sep, a, b); + cl_assert(git_str_oom(&buf) == 0); + cl_assert_equal_s(expected, git_str_cstr(&buf)); + git_str_dispose(&buf); +} + +static void +check_joinbuf_overlapped( + const char *oldval, + int ofs_a, + const char *b, + const char *expected) +{ + char sep = '/'; + git_str buf = GIT_STR_INIT; + + git_str_sets(&buf, oldval); + git_str_join(&buf, sep, buf.ptr + ofs_a, b); + cl_assert(git_str_oom(&buf) == 0); + cl_assert_equal_s(expected, git_str_cstr(&buf)); + git_str_dispose(&buf); +} + +static void +check_joinbuf_n_2( + const char *a, + const char *b, + const char *expected) +{ + char sep = '/'; + git_str buf = GIT_STR_INIT; + + git_str_sets(&buf, a); + cl_assert(git_str_oom(&buf) == 0); + + git_str_join_n(&buf, sep, 1, b); + cl_assert(git_str_oom(&buf) == 0); + cl_assert_equal_s(expected, git_str_cstr(&buf)); + + git_str_dispose(&buf); +} + +static void +check_joinbuf_n_4( + const char *a, + const char *b, + const char *c, + const char *d, + const char *expected) +{ + char sep = ';'; + git_str buf = GIT_STR_INIT; + git_str_join_n(&buf, sep, 4, a, b, c, d); + cl_assert(git_str_oom(&buf) == 0); + cl_assert_equal_s(expected, git_str_cstr(&buf)); + git_str_dispose(&buf); +} + +/* test join */ +void test_gitstr__8(void) +{ + git_str a = GIT_STR_INIT; + + git_str_join_n(&a, '/', 1, "foo"); + cl_assert(git_str_oom(&a) == 0); + cl_assert_equal_s("foo", git_str_cstr(&a)); + + git_str_join_n(&a, '/', 1, "bar"); + cl_assert(git_str_oom(&a) == 0); + cl_assert_equal_s("foo/bar", git_str_cstr(&a)); + + git_str_join_n(&a, '/', 1, "baz"); + cl_assert(git_str_oom(&a) == 0); + cl_assert_equal_s("foo/bar/baz", git_str_cstr(&a)); + + git_str_dispose(&a); + + check_joinbuf_2(NULL, "", ""); + check_joinbuf_2(NULL, "a", "a"); + check_joinbuf_2(NULL, "/a", "/a"); + check_joinbuf_2("", "", ""); + check_joinbuf_2("", "a", "a"); + check_joinbuf_2("", "/a", "/a"); + check_joinbuf_2("a", "", "a/"); + check_joinbuf_2("a", "/", "a/"); + check_joinbuf_2("a", "b", "a/b"); + check_joinbuf_2("/", "a", "/a"); + check_joinbuf_2("/", "", "/"); + check_joinbuf_2("/a", "/b", "/a/b"); + check_joinbuf_2("/a", "/b/", "/a/b/"); + check_joinbuf_2("/a/", "b/", "/a/b/"); + check_joinbuf_2("/a/", "/b/", "/a/b/"); + check_joinbuf_2("/a/", "//b/", "/a/b/"); + check_joinbuf_2("/abcd", "/defg", "/abcd/defg"); + check_joinbuf_2("/abcd", "/defg/", "/abcd/defg/"); + check_joinbuf_2("/abcd/", "defg/", "/abcd/defg/"); + check_joinbuf_2("/abcd/", "/defg/", "/abcd/defg/"); + + check_joinbuf_overlapped("abcd", 0, "efg", "abcd/efg"); + check_joinbuf_overlapped("abcd", 1, "efg", "bcd/efg"); + check_joinbuf_overlapped("abcd", 2, "efg", "cd/efg"); + check_joinbuf_overlapped("abcd", 3, "efg", "d/efg"); + check_joinbuf_overlapped("abcd", 4, "efg", "efg"); + check_joinbuf_overlapped("abc/", 2, "efg", "c/efg"); + check_joinbuf_overlapped("abc/", 3, "efg", "/efg"); + check_joinbuf_overlapped("abc/", 4, "efg", "efg"); + check_joinbuf_overlapped("abcd", 3, "", "d/"); + check_joinbuf_overlapped("abcd", 4, "", ""); + check_joinbuf_overlapped("abc/", 2, "", "c/"); + check_joinbuf_overlapped("abc/", 3, "", "/"); + check_joinbuf_overlapped("abc/", 4, "", ""); + + check_joinbuf_n_2("", "", ""); + check_joinbuf_n_2("", "a", "a"); + check_joinbuf_n_2("", "/a", "/a"); + check_joinbuf_n_2("a", "", "a/"); + check_joinbuf_n_2("a", "/", "a/"); + check_joinbuf_n_2("a", "b", "a/b"); + check_joinbuf_n_2("/", "a", "/a"); + check_joinbuf_n_2("/", "", "/"); + check_joinbuf_n_2("/a", "/b", "/a/b"); + check_joinbuf_n_2("/a", "/b/", "/a/b/"); + check_joinbuf_n_2("/a/", "b/", "/a/b/"); + check_joinbuf_n_2("/a/", "/b/", "/a/b/"); + check_joinbuf_n_2("/abcd", "/defg", "/abcd/defg"); + check_joinbuf_n_2("/abcd", "/defg/", "/abcd/defg/"); + check_joinbuf_n_2("/abcd/", "defg/", "/abcd/defg/"); + check_joinbuf_n_2("/abcd/", "/defg/", "/abcd/defg/"); + + check_joinbuf_n_4("", "", "", "", ""); + check_joinbuf_n_4("", "a", "", "", "a;"); + check_joinbuf_n_4("a", "", "", "", "a;"); + check_joinbuf_n_4("", "", "", "a", "a"); + check_joinbuf_n_4("a", "b", "", ";c;d;", "a;b;c;d;"); + check_joinbuf_n_4("a", "b", "", ";c;d", "a;b;c;d"); + check_joinbuf_n_4("abcd", "efgh", "ijkl", "mnop", "abcd;efgh;ijkl;mnop"); + check_joinbuf_n_4("abcd;", "efgh;", "ijkl;", "mnop;", "abcd;efgh;ijkl;mnop;"); + check_joinbuf_n_4(";abcd;", ";efgh;", ";ijkl;", ";mnop;", ";abcd;efgh;ijkl;mnop;"); +} + +void test_gitstr__9(void) +{ + git_str buf = GIT_STR_INIT; + + /* just some exhaustive tests of various separator placement */ + char *a[] = { "", "-", "a-", "-a", "-a-" }; + char *b[] = { "", "-", "b-", "-b", "-b-" }; + char sep[] = { 0, '-', '/' }; + char *expect_null[] = { "", "-", "a-", "-a", "-a-", + "-", "--", "a--", "-a-", "-a--", + "b-", "-b-", "a-b-", "-ab-", "-a-b-", + "-b", "--b", "a--b", "-a-b", "-a--b", + "-b-", "--b-", "a--b-", "-a-b-", "-a--b-" }; + char *expect_dash[] = { "", "-", "a-", "-a-", "-a-", + "-", "-", "a-", "-a-", "-a-", + "b-", "-b-", "a-b-", "-a-b-", "-a-b-", + "-b", "-b", "a-b", "-a-b", "-a-b", + "-b-", "-b-", "a-b-", "-a-b-", "-a-b-" }; + char *expect_slas[] = { "", "-/", "a-/", "-a/", "-a-/", + "-", "-/-", "a-/-", "-a/-", "-a-/-", + "b-", "-/b-", "a-/b-", "-a/b-", "-a-/b-", + "-b", "-/-b", "a-/-b", "-a/-b", "-a-/-b", + "-b-", "-/-b-", "a-/-b-", "-a/-b-", "-a-/-b-" }; + char **expect_values[] = { expect_null, expect_dash, expect_slas }; + char separator, **expect; + unsigned int s, i, j; + + for (s = 0; s < sizeof(sep) / sizeof(char); ++s) { + separator = sep[s]; + expect = expect_values[s]; + + for (j = 0; j < sizeof(b) / sizeof(char*); ++j) { + for (i = 0; i < sizeof(a) / sizeof(char*); ++i) { + git_str_join(&buf, separator, a[i], b[j]); + cl_assert_equal_s(*expect, buf.ptr); + expect++; + } + } + } + + git_str_dispose(&buf); +} + +void test_gitstr__10(void) +{ + git_str a = GIT_STR_INIT; + + cl_git_pass(git_str_join_n(&a, '/', 1, "test")); + cl_assert_equal_s(a.ptr, "test"); + cl_git_pass(git_str_join_n(&a, '/', 1, "string")); + cl_assert_equal_s(a.ptr, "test/string"); + git_str_clear(&a); + cl_git_pass(git_str_join_n(&a, '/', 3, "test", "string", "join")); + cl_assert_equal_s(a.ptr, "test/string/join"); + cl_git_pass(git_str_join_n(&a, '/', 2, a.ptr, "more")); + cl_assert_equal_s(a.ptr, "test/string/join/test/string/join/more"); + + git_str_dispose(&a); +} + +void test_gitstr__join3(void) +{ + git_str a = GIT_STR_INIT; + + cl_git_pass(git_str_join3(&a, '/', "test", "string", "join")); + cl_assert_equal_s("test/string/join", a.ptr); + cl_git_pass(git_str_join3(&a, '/', "test/", "string", "join")); + cl_assert_equal_s("test/string/join", a.ptr); + cl_git_pass(git_str_join3(&a, '/', "test/", "/string", "join")); + cl_assert_equal_s("test/string/join", a.ptr); + cl_git_pass(git_str_join3(&a, '/', "test/", "/string/", "join")); + cl_assert_equal_s("test/string/join", a.ptr); + cl_git_pass(git_str_join3(&a, '/', "test/", "/string/", "/join")); + cl_assert_equal_s("test/string/join", a.ptr); + + cl_git_pass(git_str_join3(&a, '/', "", "string", "join")); + cl_assert_equal_s("string/join", a.ptr); + cl_git_pass(git_str_join3(&a, '/', "", "string/", "join")); + cl_assert_equal_s("string/join", a.ptr); + cl_git_pass(git_str_join3(&a, '/', "", "string/", "/join")); + cl_assert_equal_s("string/join", a.ptr); + + cl_git_pass(git_str_join3(&a, '/', "string", "", "join")); + cl_assert_equal_s("string/join", a.ptr); + cl_git_pass(git_str_join3(&a, '/', "string/", "", "join")); + cl_assert_equal_s("string/join", a.ptr); + cl_git_pass(git_str_join3(&a, '/', "string/", "", "/join")); + cl_assert_equal_s("string/join", a.ptr); + + git_str_dispose(&a); +} + +void test_gitstr__11(void) +{ + git_str a = GIT_STR_INIT; + char *t1[] = { "nothing", "in", "common" }; + char *t2[] = { "something", "something else", "some other" }; + char *t3[] = { "something", "some fun", "no fun" }; + char *t4[] = { "happy", "happier", "happiest" }; + char *t5[] = { "happiest", "happier", "happy" }; + char *t6[] = { "no", "nope", "" }; + char *t7[] = { "", "doesn't matter" }; + + cl_git_pass(git_str_common_prefix(&a, t1, 3)); + cl_assert_equal_s(a.ptr, ""); + + cl_git_pass(git_str_common_prefix(&a, t2, 3)); + cl_assert_equal_s(a.ptr, "some"); + + cl_git_pass(git_str_common_prefix(&a, t3, 3)); + cl_assert_equal_s(a.ptr, ""); + + cl_git_pass(git_str_common_prefix(&a, t4, 3)); + cl_assert_equal_s(a.ptr, "happ"); + + cl_git_pass(git_str_common_prefix(&a, t5, 3)); + cl_assert_equal_s(a.ptr, "happ"); + + cl_git_pass(git_str_common_prefix(&a, t6, 3)); + cl_assert_equal_s(a.ptr, ""); + + cl_git_pass(git_str_common_prefix(&a, t7, 3)); + cl_assert_equal_s(a.ptr, ""); + + git_str_dispose(&a); +} + +void test_gitstr__rfind_variants(void) +{ + git_str a = GIT_STR_INIT; + ssize_t len; + + cl_git_pass(git_str_sets(&a, "/this/is/it/")); + + len = (ssize_t)git_str_len(&a); + + cl_assert(git_str_rfind(&a, '/') == len - 1); + cl_assert(git_str_rfind_next(&a, '/') == len - 4); + + cl_assert(git_str_rfind(&a, 'i') == len - 3); + cl_assert(git_str_rfind_next(&a, 'i') == len - 3); + + cl_assert(git_str_rfind(&a, 'h') == 2); + cl_assert(git_str_rfind_next(&a, 'h') == 2); + + cl_assert(git_str_rfind(&a, 'q') == -1); + cl_assert(git_str_rfind_next(&a, 'q') == -1); + + git_str_dispose(&a); +} + +void test_gitstr__puts_escaped(void) +{ + git_str a = GIT_STR_INIT; + + git_str_clear(&a); + cl_git_pass(git_str_puts_escaped(&a, "this is a test", "", "")); + cl_assert_equal_s("this is a test", a.ptr); + + git_str_clear(&a); + cl_git_pass(git_str_puts_escaped(&a, "this is a test", "t", "\\")); + cl_assert_equal_s("\\this is a \\tes\\t", a.ptr); + + git_str_clear(&a); + cl_git_pass(git_str_puts_escaped(&a, "this is a test", "i ", "__")); + cl_assert_equal_s("th__is__ __is__ a__ test", a.ptr); + + git_str_clear(&a); + cl_git_pass(git_str_puts_escape_regex(&a, "^match\\s*[A-Z]+.*")); + cl_assert_equal_s("\\^match\\\\s\\*\\[A-Z\\]\\+\\.\\*", a.ptr); + + git_str_dispose(&a); +} + +static void assert_unescape(char *expected, char *to_unescape) { + git_str buf = GIT_STR_INIT; + + cl_git_pass(git_str_sets(&buf, to_unescape)); + git_str_unescape(&buf); + cl_assert_equal_s(expected, buf.ptr); + cl_assert_equal_sz(strlen(expected), buf.size); + + git_str_dispose(&buf); +} + +void test_gitstr__unescape(void) +{ + assert_unescape("Escaped\\", "Es\\ca\\ped\\"); + assert_unescape("Es\\caped\\", "Es\\\\ca\\ped\\\\"); + assert_unescape("\\", "\\"); + assert_unescape("\\", "\\\\"); + assert_unescape("", ""); +} + +void test_gitstr__encode_base64(void) +{ + git_str buf = GIT_STR_INIT; + + /* t h i s + * 0x 74 68 69 73 + * 0b 01110100 01101000 01101001 01110011 + * 0b 011101 000110 100001 101001 011100 110000 + * 0x 1d 06 21 29 1c 30 + * d G h p c w + */ + cl_git_pass(git_str_encode_base64(&buf, "this", 4)); + cl_assert_equal_s("dGhpcw==", buf.ptr); + + git_str_clear(&buf); + cl_git_pass(git_str_encode_base64(&buf, "this!", 5)); + cl_assert_equal_s("dGhpcyE=", buf.ptr); + + git_str_clear(&buf); + cl_git_pass(git_str_encode_base64(&buf, "this!\n", 6)); + cl_assert_equal_s("dGhpcyEK", buf.ptr); + + git_str_dispose(&buf); +} + +void test_gitstr__decode_base64(void) +{ + git_str buf = GIT_STR_INIT; + + cl_git_pass(git_str_decode_base64(&buf, "dGhpcw==", 8)); + cl_assert_equal_s("this", buf.ptr); + + git_str_clear(&buf); + cl_git_pass(git_str_decode_base64(&buf, "dGhpcyE=", 8)); + cl_assert_equal_s("this!", buf.ptr); + + git_str_clear(&buf); + cl_git_pass(git_str_decode_base64(&buf, "dGhpcyEK", 8)); + cl_assert_equal_s("this!\n", buf.ptr); + + cl_git_fail(git_str_decode_base64(&buf, "This is not a valid base64 string!!!", 36)); + cl_assert_equal_s("this!\n", buf.ptr); + + git_str_dispose(&buf); +} + +void test_gitstr__encode_base85(void) +{ + git_str buf = GIT_STR_INIT; + + cl_git_pass(git_str_encode_base85(&buf, "this", 4)); + cl_assert_equal_s("bZBXF", buf.ptr); + git_str_clear(&buf); + + cl_git_pass(git_str_encode_base85(&buf, "two rnds", 8)); + cl_assert_equal_s("ba!tca&BaE", buf.ptr); + git_str_clear(&buf); + + cl_git_pass(git_str_encode_base85(&buf, "this is base 85 encoded", + strlen("this is base 85 encoded"))); + cl_assert_equal_s("bZBXFAZc?TVqtS-AUHK3Wo~0{WMyOk", buf.ptr); + git_str_clear(&buf); + + git_str_dispose(&buf); +} + +void test_gitstr__decode_base85(void) +{ + git_str buf = GIT_STR_INIT; + + cl_git_pass(git_str_decode_base85(&buf, "bZBXF", 5, 4)); + cl_assert_equal_sz(4, buf.size); + cl_assert_equal_s("this", buf.ptr); + git_str_clear(&buf); + + cl_git_pass(git_str_decode_base85(&buf, "ba!tca&BaE", 10, 8)); + cl_assert_equal_sz(8, buf.size); + cl_assert_equal_s("two rnds", buf.ptr); + git_str_clear(&buf); + + cl_git_pass(git_str_decode_base85(&buf, "bZBXFAZc?TVqtS-AUHK3Wo~0{WMyOk", 30, 23)); + cl_assert_equal_sz(23, buf.size); + cl_assert_equal_s("this is base 85 encoded", buf.ptr); + git_str_clear(&buf); + + git_str_dispose(&buf); +} + +void test_gitstr__decode_base85_fails_gracefully(void) +{ + git_str buf = GIT_STR_INIT; + + git_str_puts(&buf, "foobar"); + + cl_git_fail(git_str_decode_base85(&buf, "invalid charsZZ", 15, 42)); + cl_git_fail(git_str_decode_base85(&buf, "invalidchars__ ", 15, 42)); + cl_git_fail(git_str_decode_base85(&buf, "overflowZZ~~~~~", 15, 42)); + cl_git_fail(git_str_decode_base85(&buf, "truncated", 9, 42)); + cl_assert_equal_sz(6, buf.size); + cl_assert_equal_s("foobar", buf.ptr); + + git_str_dispose(&buf); +} + +void test_gitstr__classify_with_utf8(void) +{ + char *data0 = "Simple text\n"; + size_t data0len = 12; + char *data1 = "Is that UTF-8 data I see…\nYep!\n"; + size_t data1len = 31; + char *data2 = "Internal NUL!!!\000\n\nI see you!\n"; + size_t data2len = 29; + char *data3 = "\xef\xbb\xbfThis is UTF-8 with a BOM.\n"; + size_t data3len = 20; + git_str b; + + b.ptr = data0; b.size = b.asize = data0len; + cl_assert(!git_str_is_binary(&b)); + cl_assert(!git_str_contains_nul(&b)); + + b.ptr = data1; b.size = b.asize = data1len; + cl_assert(!git_str_is_binary(&b)); + cl_assert(!git_str_contains_nul(&b)); + + b.ptr = data2; b.size = b.asize = data2len; + cl_assert(git_str_is_binary(&b)); + cl_assert(git_str_contains_nul(&b)); + + b.ptr = data3; b.size = b.asize = data3len; + cl_assert(!git_str_is_binary(&b)); + cl_assert(!git_str_contains_nul(&b)); +} + +#include "crlf.h" + +#define check_buf(expected,buf) do { \ + cl_assert_equal_s(expected, buf.ptr); \ + cl_assert_equal_sz(strlen(expected), buf.size); } while (0) + +void test_gitstr__lf_and_crlf_conversions(void) +{ + git_str src = GIT_STR_INIT, tgt = GIT_STR_INIT; + + /* LF source */ + + git_str_sets(&src, "lf\nlf\nlf\nlf\n"); + + cl_git_pass(git_str_lf_to_crlf(&tgt, &src)); + check_buf("lf\r\nlf\r\nlf\r\nlf\r\n", tgt); + + cl_git_pass(git_str_crlf_to_lf(&tgt, &src)); + check_buf(src.ptr, tgt); + + git_str_sets(&src, "\nlf\nlf\nlf\nlf\nlf"); + + cl_git_pass(git_str_lf_to_crlf(&tgt, &src)); + check_buf("\r\nlf\r\nlf\r\nlf\r\nlf\r\nlf", tgt); + + cl_git_pass(git_str_crlf_to_lf(&tgt, &src)); + check_buf(src.ptr, tgt); + + /* CRLF source */ + + git_str_sets(&src, "crlf\r\ncrlf\r\ncrlf\r\ncrlf\r\n"); + + cl_git_pass(git_str_lf_to_crlf(&tgt, &src)); + check_buf("crlf\r\ncrlf\r\ncrlf\r\ncrlf\r\n", tgt); + + git_str_sets(&src, "crlf\r\ncrlf\r\ncrlf\r\ncrlf\r\n"); + + cl_git_pass(git_str_crlf_to_lf(&tgt, &src)); + check_buf("crlf\ncrlf\ncrlf\ncrlf\n", tgt); + + git_str_sets(&src, "\r\ncrlf\r\ncrlf\r\ncrlf\r\ncrlf\r\ncrlf"); + + cl_git_pass(git_str_lf_to_crlf(&tgt, &src)); + check_buf("\r\ncrlf\r\ncrlf\r\ncrlf\r\ncrlf\r\ncrlf", tgt); + + git_str_sets(&src, "\r\ncrlf\r\ncrlf\r\ncrlf\r\ncrlf\r\ncrlf"); + + cl_git_pass(git_str_crlf_to_lf(&tgt, &src)); + check_buf("\ncrlf\ncrlf\ncrlf\ncrlf\ncrlf", tgt); + + /* CRLF in LF text */ + + git_str_sets(&src, "\nlf\nlf\ncrlf\r\nlf\nlf\ncrlf\r\n"); + + cl_git_pass(git_str_lf_to_crlf(&tgt, &src)); + check_buf("\r\nlf\r\nlf\r\ncrlf\r\nlf\r\nlf\r\ncrlf\r\n", tgt); + + git_str_sets(&src, "\nlf\nlf\ncrlf\r\nlf\nlf\ncrlf\r\n"); + + cl_git_pass(git_str_crlf_to_lf(&tgt, &src)); + check_buf("\nlf\nlf\ncrlf\nlf\nlf\ncrlf\n", tgt); + + /* LF in CRLF text */ + + git_str_sets(&src, "\ncrlf\r\ncrlf\r\nlf\ncrlf\r\ncrlf"); + + cl_git_pass(git_str_lf_to_crlf(&tgt, &src)); + check_buf("\r\ncrlf\r\ncrlf\r\nlf\r\ncrlf\r\ncrlf", tgt); + + cl_git_pass(git_str_crlf_to_lf(&tgt, &src)); + check_buf("\ncrlf\ncrlf\nlf\ncrlf\ncrlf", tgt); + + /* bare CR test */ + + git_str_sets(&src, "\rcrlf\r\nlf\nlf\ncr\rcrlf\r\nlf\ncr\r"); + + cl_git_pass(git_str_lf_to_crlf(&tgt, &src)); + check_buf("\rcrlf\r\nlf\r\nlf\r\ncr\rcrlf\r\nlf\r\ncr\r", tgt); + + git_str_sets(&src, "\rcrlf\r\nlf\nlf\ncr\rcrlf\r\nlf\ncr\r"); + + cl_git_pass(git_str_crlf_to_lf(&tgt, &src)); + check_buf("\rcrlf\nlf\nlf\ncr\rcrlf\nlf\ncr\r", tgt); + + git_str_sets(&src, "\rcr\r"); + cl_git_pass(git_str_lf_to_crlf(&tgt, &src)); + check_buf(src.ptr, tgt); + cl_git_pass(git_str_crlf_to_lf(&tgt, &src)); + check_buf("\rcr\r", tgt); + + git_str_dispose(&src); + git_str_dispose(&tgt); + + /* blob correspondence tests */ + + git_str_sets(&src, ALL_CRLF_TEXT_RAW); + cl_git_pass(git_str_lf_to_crlf(&tgt, &src)); + check_buf(ALL_CRLF_TEXT_AS_CRLF, tgt); + git_str_sets(&src, ALL_CRLF_TEXT_RAW); + cl_git_pass(git_str_crlf_to_lf(&tgt, &src)); + check_buf(ALL_CRLF_TEXT_AS_LF, tgt); + git_str_dispose(&src); + git_str_dispose(&tgt); + + git_str_sets(&src, ALL_LF_TEXT_RAW); + cl_git_pass(git_str_lf_to_crlf(&tgt, &src)); + check_buf(ALL_LF_TEXT_AS_CRLF, tgt); + git_str_sets(&src, ALL_LF_TEXT_RAW); + cl_git_pass(git_str_crlf_to_lf(&tgt, &src)); + check_buf(ALL_LF_TEXT_AS_LF, tgt); + git_str_dispose(&src); + git_str_dispose(&tgt); + + git_str_sets(&src, MORE_CRLF_TEXT_RAW); + cl_git_pass(git_str_lf_to_crlf(&tgt, &src)); + check_buf(MORE_CRLF_TEXT_AS_CRLF, tgt); + git_str_sets(&src, MORE_CRLF_TEXT_RAW); + cl_git_pass(git_str_crlf_to_lf(&tgt, &src)); + check_buf(MORE_CRLF_TEXT_AS_LF, tgt); + git_str_dispose(&src); + git_str_dispose(&tgt); + + git_str_sets(&src, MORE_LF_TEXT_RAW); + cl_git_pass(git_str_lf_to_crlf(&tgt, &src)); + check_buf(MORE_LF_TEXT_AS_CRLF, tgt); + git_str_sets(&src, MORE_LF_TEXT_RAW); + cl_git_pass(git_str_crlf_to_lf(&tgt, &src)); + check_buf(MORE_LF_TEXT_AS_LF, tgt); + git_str_dispose(&src); + git_str_dispose(&tgt); +} + +void test_gitstr__dont_grow_borrowed(void) +{ + const char *somestring = "blah blah"; + git_str buf = GIT_STR_INIT; + + git_str_attach_notowned(&buf, somestring, strlen(somestring) + 1); + cl_assert_equal_p(somestring, buf.ptr); + cl_assert_equal_i(0, buf.asize); + cl_assert_equal_i(strlen(somestring) + 1, buf.size); + + cl_git_fail_with(GIT_EINVALID, git_str_grow(&buf, 1024)); +} + +void test_gitstr__dont_hit_infinite_loop_when_resizing(void) +{ + git_str buf = GIT_STR_INIT; + + cl_git_pass(git_str_puts(&buf, "foobar")); + /* + * We do not care whether this succeeds or fails, which + * would depend on platform-specific allocation + * semantics. We only want to know that the function + * actually returns. + */ + (void)git_str_try_grow(&buf, SIZE_MAX, true); + + git_str_dispose(&buf); +} + +void test_gitstr__avoid_printing_into_oom_buffer(void) +{ + git_str buf = GIT_STR_INIT; + + /* Emulate OOM situation with a previous allocation */ + buf.asize = 8; + buf.ptr = git_str__oom; + + /* + * Print the same string again. As the buffer still has + * an `asize` of 8 due to the previous print, + * `ENSURE_SIZE` would not try to reallocate the array at + * all. As it didn't explicitly check for `git_str__oom` + * in earlier versions, this would've resulted in it + * returning successfully and thus `git_str_puts` would + * just print into the `git_str__oom` array. + */ + cl_git_fail(git_str_puts(&buf, "foobar")); +} |