diff options
Diffstat (limited to 't/unit-tests/t-strbuf.c')
| -rw-r--r-- | t/unit-tests/t-strbuf.c | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/t/unit-tests/t-strbuf.c b/t/unit-tests/t-strbuf.c deleted file mode 100644 index 3f4044d697..0000000000 --- a/t/unit-tests/t-strbuf.c +++ /dev/null @@ -1,122 +0,0 @@ -#include "test-lib.h" -#include "strbuf.h" - -/* wrapper that supplies tests with an empty, initialized strbuf */ -static void setup(void (*f)(struct strbuf*, const void*), - const void *data) -{ - struct strbuf buf = STRBUF_INIT; - - f(&buf, data); - strbuf_release(&buf); - check_uint(buf.len, ==, 0); - check_uint(buf.alloc, ==, 0); -} - -/* wrapper that supplies tests with a populated, initialized strbuf */ -static void setup_populated(void (*f)(struct strbuf*, const void*), - const char *init_str, const void *data) -{ - struct strbuf buf = STRBUF_INIT; - - strbuf_addstr(&buf, init_str); - check_uint(buf.len, ==, strlen(init_str)); - f(&buf, data); - strbuf_release(&buf); - check_uint(buf.len, ==, 0); - check_uint(buf.alloc, ==, 0); -} - -static int assert_sane_strbuf(struct strbuf *buf) -{ - /* Initialized strbufs should always have a non-NULL buffer */ - if (!check(!!buf->buf)) - return 0; - /* Buffers should always be NUL-terminated */ - if (!check_char(buf->buf[buf->len], ==, '\0')) - return 0; - /* - * Freshly-initialized strbufs may not have a dynamically allocated - * buffer - */ - if (buf->len == 0 && buf->alloc == 0) - return 1; - /* alloc must be at least one byte larger than len */ - return check_uint(buf->len, <, buf->alloc); -} - -static void t_static_init(void) -{ - struct strbuf buf = STRBUF_INIT; - - check_uint(buf.len, ==, 0); - check_uint(buf.alloc, ==, 0); - check_char(buf.buf[0], ==, '\0'); -} - -static void t_dynamic_init(void) -{ - struct strbuf buf; - - strbuf_init(&buf, 1024); - check(assert_sane_strbuf(&buf)); - check_uint(buf.len, ==, 0); - check_uint(buf.alloc, >=, 1024); - check_char(buf.buf[0], ==, '\0'); - strbuf_release(&buf); -} - -static void t_addch(struct strbuf *buf, const void *data) -{ - const char *p_ch = data; - const char ch = *p_ch; - size_t orig_alloc = buf->alloc; - size_t orig_len = buf->len; - - if (!check(assert_sane_strbuf(buf))) - return; - strbuf_addch(buf, ch); - if (!check(assert_sane_strbuf(buf))) - return; - if (!(check_uint(buf->len, ==, orig_len + 1) && - check_uint(buf->alloc, >=, orig_alloc))) - return; /* avoid de-referencing buf->buf */ - check_char(buf->buf[buf->len - 1], ==, ch); - check_char(buf->buf[buf->len], ==, '\0'); -} - -static void t_addstr(struct strbuf *buf, const void *data) -{ - const char *text = data; - size_t len = strlen(text); - size_t orig_alloc = buf->alloc; - size_t orig_len = buf->len; - - if (!check(assert_sane_strbuf(buf))) - return; - strbuf_addstr(buf, text); - if (!check(assert_sane_strbuf(buf))) - return; - if (!(check_uint(buf->len, ==, orig_len + len) && - check_uint(buf->alloc, >=, orig_alloc) && - check_uint(buf->alloc, >, orig_len + len) && - check_char(buf->buf[orig_len + len], ==, '\0'))) - return; - check_str(buf->buf + orig_len, text); -} - -int cmd_main(int argc UNUSED, const char **argv UNUSED) -{ - if (!TEST(t_static_init(), "static initialization works")) - test_skip_all("STRBUF_INIT is broken"); - TEST(t_dynamic_init(), "dynamic initialization works"); - TEST(setup(t_addch, "a"), "strbuf_addch adds char"); - TEST(setup(t_addch, ""), "strbuf_addch adds NUL char"); - TEST(setup_populated(t_addch, "initial value", "a"), - "strbuf_addch appends to initial value"); - TEST(setup(t_addstr, "hello there"), "strbuf_addstr adds string"); - TEST(setup_populated(t_addstr, "initial value", "hello there"), - "strbuf_addstr appends string to initial value"); - - return test_done(); -} |
