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-rw-r--r--tests/util/gitstr.c1044
1 files changed, 1044 insertions, 0 deletions
diff --git a/tests/util/gitstr.c b/tests/util/gitstr.c
new file mode 100644
index 0000000..aea3556
--- /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 seeā€¦\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"));
+}