tests/buf/basic.c

   1 #include "clar_libgit2.h"
   2 #include "buffer.h"
   3
   4 static const char *test_string = "Have you seen that? Have you seeeen that??";
   5
   6 void test_buf_basic__resize(void)
   7 {
   8         git_buf buf1 = GIT_BUF_INIT;
   9         git_buf_puts(&buf1, test_string);
  10         cl_assert(git_buf_oom(&buf1) == 0);
  11         cl_assert_equal_s(git_buf_cstr(&buf1), test_string);
  12
  13         git_buf_puts(&buf1, test_string);
  14         cl_assert(strlen(git_buf_cstr(&buf1)) == strlen(test_string) * 2);
  15         git_buf_dispose(&buf1);
  16 }
  17
  18 void test_buf_basic__resize_incremental(void)
  19 {
  20         git_buf buf1 = GIT_BUF_INIT;
  21
  22         /* Presently, asking for 6 bytes will round up to 8. */
  23         cl_git_pass(git_buf_puts(&buf1, "Hello"));
  24         cl_assert_equal_i(5, buf1.size);
  25         cl_assert_equal_i(8, buf1.asize);
  26
  27         /* Ensure an additional byte does not realloc. */
  28         cl_git_pass(git_buf_grow_by(&buf1, 1));
  29         cl_assert_equal_i(5, buf1.size);
  30         cl_assert_equal_i(8, buf1.asize);
  31
  32         /* But requesting many does. */
  33         cl_git_pass(git_buf_grow_by(&buf1, 16));
  34         cl_assert_equal_i(5, buf1.size);
  35         cl_assert(buf1.asize > 8);
  36
  37         git_buf_dispose(&buf1);
  38 }
  39
  40 void test_buf_basic__printf(void)
  41 {
  42         git_buf buf2 = GIT_BUF_INIT;
  43         git_buf_printf(&buf2, "%s %s %d ", "shoop", "da", 23);
  44         cl_assert(git_buf_oom(&buf2) == 0);
  45         cl_assert_equal_s(git_buf_cstr(&buf2), "shoop da 23 ");
  46
  47         git_buf_printf(&buf2, "%s %d", "woop", 42);
  48         cl_assert(git_buf_oom(&buf2) == 0);
  49         cl_assert_equal_s(git_buf_cstr(&buf2), "shoop da 23 woop 42");
  50         git_buf_dispose(&buf2);
  51 }