#include "clar_libgit2.h"
#include "buffer.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_core_buffer__0(void)
{
git_buf buf = GIT_BUF_INIT;
cl_assert(buf.size == 0);
git_buf_puts(&buf, test_string);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s(test_string, git_buf_cstr(&buf));
git_buf_puts(&buf, test_string);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s(test_string_x2, git_buf_cstr(&buf));
git_buf_free(&buf);
}
/* test git_buf_printf */
void test_core_buffer__1(void)
{
git_buf buf = GIT_BUF_INIT;
git_buf_printf(&buf, "%s %s %d ", "shoop", "da", 23);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s("shoop da 23 ", git_buf_cstr(&buf));
git_buf_printf(&buf, "%s %d", "woop", 42);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s("shoop da 23 woop 42", git_buf_cstr(&buf));
git_buf_free(&buf);
}
/* more thorough test of concatenation options */
void test_core_buffer__2(void)
{
git_buf buf = GIT_BUF_INIT;
int i;
char data[128];
cl_assert(buf.size == 0);
/* this must be safe to do */
git_buf_free(&buf);
cl_assert(buf.size == 0);
cl_assert(buf.asize == 0);
/* empty buffer should be empty string */
cl_assert_equal_s("", git_buf_cstr(&buf));
cl_assert(buf.size == 0);
/* cl_assert(buf.asize == 0); -- should not assume what git_buf does */
/* free should set us back to the beginning */
git_buf_free(&buf);
cl_assert(buf.size == 0);
cl_assert(buf.asize == 0);
/* add letter */
git_buf_putc(&buf, '+');
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s("+", git_buf_cstr(&buf));
/* add letter again */
git_buf_putc(&buf, '+');
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s("++", git_buf_cstr(&buf));
/* let's try that a few times */
for (i = 0; i < 16; ++i) {
git_buf_putc(&buf, '+');
cl_assert(git_buf_oom(&buf) == 0);
}
cl_assert_equal_s("++++++++++++++++++", git_buf_cstr(&buf));
git_buf_free(&buf);
/* add data */
git_buf_put(&buf, "xo", 2);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s("xo", git_buf_cstr(&buf));
/* add letter again */
git_buf_put(&buf, "xo", 2);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s("xoxo", git_buf_cstr(&buf));
/* let's try that a few times */
for (i = 0; i < 16; ++i) {
git_buf_put(&buf, "xo", 2);
cl_assert(git_buf_oom(&buf) == 0);
}
cl_assert_equal_s("xoxoxoxoxoxoxoxoxoxoxoxoxoxoxoxoxoxo",
git_buf_cstr(&buf));
git_buf_free(&buf);
/* set to string */
git_buf_sets(&buf, test_string);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s(test_string, git_buf_cstr(&buf));
/* append string */
git_buf_puts(&buf, test_string);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s(test_string_x2, git_buf_cstr(&buf));
/* set to string again (should overwrite - not append) */
git_buf_sets(&buf, test_string);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s(test_string, git_buf_cstr(&buf));
/* test clear */
git_buf_clear(&buf);
cl_assert_equal_s("", git_buf_cstr(&buf));
git_buf_free(&buf);
/* test extracting data into buffer */
git_buf_puts(&buf, REP4("0123456789"));
cl_assert(git_buf_oom(&buf) == 0);
git_buf_copy_cstr(data, sizeof(data), &buf);
cl_assert_equal_s(REP4("0123456789"), data);
git_buf_copy_cstr(data, 11, &buf);
cl_assert_equal_s("0123456789", data);
git_buf_copy_cstr(data, 3, &buf);
cl_assert_equal_s("01", data);
git_buf_copy_cstr(data, 1, &buf);
cl_assert_equal_s("", data);
git_buf_copy_cstr(data, sizeof(data), &buf);
cl_assert_equal_s(REP4("0123456789"), data);
git_buf_sets(&buf, REP256("x"));
git_buf_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_buf_free(&buf);
git_buf_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_core_buffer__3(void)
{
git_buf buf = GIT_BUF_INIT;
/* set to string */
git_buf_set(&buf, test_4096, 4096);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s(test_4096, git_buf_cstr(&buf));
/* append string */
git_buf_puts(&buf, test_4096);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s(test_8192, git_buf_cstr(&buf));
/* set to string again (should overwrite - not append) */
git_buf_set(&buf, test_4096, 4096);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s(test_4096, git_buf_cstr(&buf));
git_buf_free(&buf);
}
/* let's try some producer/consumer tests */
void test_core_buffer__4(void)
{
git_buf buf = GIT_BUF_INIT;
int i;
for (i = 0; i < 10; ++i) {
git_buf_puts(&buf, "1234"); /* add 4 */
cl_assert(git_buf_oom(&buf) == 0);
git_buf_consume(&buf, buf.ptr + 2); /* eat the first two */
cl_assert(strlen(git_buf_cstr(&buf)) == (size_t)((i + 1) * 2));
}
/* we have appended 1234 10x and removed the first 20 letters */
cl_assert_equal_s("12341234123412341234", git_buf_cstr(&buf));
git_buf_consume(&buf, NULL);
cl_assert_equal_s("12341234123412341234", git_buf_cstr(&buf));
git_buf_consume(&buf, "invalid pointer");
cl_assert_equal_s("12341234123412341234", git_buf_cstr(&buf));
git_buf_consume(&buf, buf.ptr);
cl_assert_equal_s("12341234123412341234", git_buf_cstr(&buf));
git_buf_consume(&buf, buf.ptr + 1);
cl_assert_equal_s("2341234123412341234", git_buf_cstr(&buf));
git_buf_consume(&buf, buf.ptr + buf.size);
cl_assert_equal_s("", git_buf_cstr(&buf));
git_buf_free(&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_buf tgt = GIT_BUF_INIT;
git_buf_sets(&tgt, data_a);
cl_assert(git_buf_oom(&tgt) == 0);
git_buf_puts(&tgt, data_b);
cl_assert(git_buf_oom(&tgt) == 0);
cl_assert_equal_s(expected_data, git_buf_cstr(&tgt));
cl_assert(tgt.size == expected_size);
if (expected_asize > 0)
cl_assert(tgt.asize == expected_asize);
git_buf_free(&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_buf buf = GIT_BUF_INIT;
git_buf_sets(&buf, buf_a);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s(buf_a, git_buf_cstr(&buf));
git_buf_puts(&buf, buf_b);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s(expected_ab, git_buf_cstr(&buf));
git_buf_puts(&buf, buf_c);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s(expected_abc, git_buf_cstr(&buf));
git_buf_puts(&buf, buf_a);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s(expected_abca, git_buf_cstr(&buf));
git_buf_puts(&buf, buf_b);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s(expected_abcab, git_buf_cstr(&buf));
git_buf_puts(&buf, buf_c);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s(expected_abcabc, git_buf_cstr(&buf));
git_buf_free(&buf);
}
/* more variations on append tests */
void test_core_buffer__5(void)
{
check_buf_append("", "", "", 0, 8);
check_buf_append("a", "", "a", 1, 8);
check_buf_append("", "a", "a", 1, 8);
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, 9240);
/* 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_core_buffer__6(void)
{
git_buf a = GIT_BUF_INIT;
git_buf b = GIT_BUF_INIT;
git_buf_sets(&a, "foo");
cl_assert(git_buf_oom(&a) == 0);
git_buf_sets(&b, "bar");
cl_assert(git_buf_oom(&b) == 0);
cl_assert_equal_s("foo", git_buf_cstr(&a));
cl_assert_equal_s("bar", git_buf_cstr(&b));
git_buf_swap(&a, &b);
cl_assert_equal_s("bar", git_buf_cstr(&a));
cl_assert_equal_s("foo", git_buf_cstr(&b));
git_buf_free(&a);
git_buf_free(&b);
}
/* test detach/attach data */
void test_core_buffer__7(void)
{
const char *fun = "This is fun";
git_buf a = GIT_BUF_INIT;
char *b = NULL;
git_buf_sets(&a, "foo");
cl_assert(git_buf_oom(&a) == 0);
cl_assert_equal_s("foo", git_buf_cstr(&a));
b = git_buf_detach(&a);
cl_assert_equal_s("foo", b);
cl_assert_equal_s("", a.ptr);
git__free(b);
b = git_buf_detach(&a);
cl_assert_equal_s(NULL, b);
cl_assert_equal_s("", a.ptr);
git_buf_free(&a);
b = git__strdup(fun);
git_buf_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_buf_free(&a);
b = git__strdup(fun);
git_buf_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_buf_free(&a);
}
static void
check_joinbuf_2(
const char *a,
const char *b,
const char *expected)
{
char sep = '/';
git_buf buf = GIT_BUF_INIT;
git_buf_join(&buf, sep, a, b);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s(expected, git_buf_cstr(&buf));
git_buf_free(&buf);
}
static void
check_joinbuf_n_2(
const char *a,
const char *b,
const char *expected)
{
char sep = '/';
git_buf buf = GIT_BUF_INIT;
git_buf_sets(&buf, a);
cl_assert(git_buf_oom(&buf) == 0);
git_buf_join_n(&buf, sep, 1, b);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s(expected, git_buf_cstr(&buf));
git_buf_free(&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_buf buf = GIT_BUF_INIT;
git_buf_join_n(&buf, sep, 4, a, b, c, d);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s(expected, git_buf_cstr(&buf));
git_buf_free(&buf);
}
/* test join */
void test_core_buffer__8(void)
{
git_buf a = GIT_BUF_INIT;
git_buf_join_n(&a, '/', 1, "foo");
cl_assert(git_buf_oom(&a) == 0);
cl_assert_equal_s("foo", git_buf_cstr(&a));
git_buf_join_n(&a, '/', 1, "bar");
cl_assert(git_buf_oom(&a) == 0);
cl_assert_equal_s("foo/bar", git_buf_cstr(&a));
git_buf_join_n(&a, '/', 1, "baz");
cl_assert(git_buf_oom(&a) == 0);
cl_assert_equal_s("foo/bar/baz", git_buf_cstr(&a));
git_buf_free(&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_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_core_buffer__9(void)
{
git_buf buf = GIT_BUF_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_buf_join(&buf, separator, a[i], b[j]);
cl_assert_equal_s(*expect, buf.ptr);
expect++;
}
}
}
git_buf_free(&buf);
}
void test_core_buffer__10(void)
{
git_buf a = GIT_BUF_INIT;
cl_git_pass(git_buf_join_n(&a, '/', 1, "test"));
cl_assert_equal_s(a.ptr, "test");
cl_git_pass(git_buf_join_n(&a, '/', 1, "string"));
cl_assert_equal_s(a.ptr, "test/string");
git_buf_clear(&a);
cl_git_pass(git_buf_join_n(&a, '/', 3, "test", "string", "join"));
cl_assert_equal_s(a.ptr, "test/string/join");
cl_git_pass(git_buf_join_n(&a, '/', 2, a.ptr, "more"));
cl_assert_equal_s(a.ptr, "test/string/join/test/string/join/more");
git_buf_free(&a);
}
void test_core_buffer__11(void)
{
git_buf a = GIT_BUF_INIT;
git_strarray t;
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" };
t.strings = t1;
t.count = 3;
cl_git_pass(git_buf_common_prefix(&a, &t));
cl_assert_equal_s(a.ptr, "");
t.strings = t2;
t.count = 3;
cl_git_pass(git_buf_common_prefix(&a, &t));
cl_assert_equal_s(a.ptr, "some");
t.strings = t3;
t.count = 3;
cl_git_pass(git_buf_common_prefix(&a, &t));
cl_assert_equal_s(a.ptr, "");
t.strings = t4;
t.count = 3;
cl_git_pass(git_buf_common_prefix(&a, &t));
cl_assert_equal_s(a.ptr, "happ");
t.strings = t5;
t.count = 3;
cl_git_pass(git_buf_common_prefix(&a, &t));
cl_assert_equal_s(a.ptr, "happ");
t.strings = t6;
t.count = 3;
cl_git_pass(git_buf_common_prefix(&a, &t));
cl_assert_equal_s(a.ptr, "");
t.strings = t7;
t.count = 3;
cl_git_pass(git_buf_common_prefix(&a, &t));
cl_assert_equal_s(a.ptr, "");
git_buf_free(&a);
}
void test_core_buffer__rfind_variants(void)
{
git_buf a = GIT_BUF_INIT;
ssize_t len;
cl_git_pass(git_buf_sets(&a, "/this/is/it/"));
len = (ssize_t)git_buf_len(&a);
cl_assert(git_buf_rfind(&a, '/') == len - 1);
cl_assert(git_buf_rfind_next(&a, '/') == len - 4);
cl_assert(git_buf_rfind(&a, 'i') == len - 3);
cl_assert(git_buf_rfind_next(&a, 'i') == len - 3);
cl_assert(git_buf_rfind(&a, 'h') == 2);
cl_assert(git_buf_rfind_next(&a, 'h') == 2);
cl_assert(git_buf_rfind(&a, 'q') == -1);
cl_assert(git_buf_rfind_next(&a, 'q') == -1);
git_buf_free(&a);
}
void test_core_buffer__puts_escaped(void)
{
git_buf a = GIT_BUF_INIT;
git_buf_clear(&a);
cl_git_pass(git_buf_puts_escaped(&a, "this is a test", "", ""));
cl_assert_equal_s("this is a test", a.ptr);
git_buf_clear(&a);
cl_git_pass(git_buf_puts_escaped(&a, "this is a test", "t", "\\"));
cl_assert_equal_s("\\this is a \\tes\\t", a.ptr);
git_buf_clear(&a);
cl_git_pass(git_buf_puts_escaped(&a, "this is a test", "i ", "__"));
cl_assert_equal_s("th__is__ __is__ a__ test", a.ptr);
git_buf_clear(&a);
cl_git_pass(git_buf_puts_escape_regex(&a, "^match\\s*[A-Z]+.*"));
cl_assert_equal_s("\\^match\\\\s\\*\\[A-Z\\]\\+\\.\\*", a.ptr);
git_buf_free(&a);
}
