diff options
Diffstat (limited to 'test/test-glyphs.c')
| -rw-r--r-- | test/test-glyphs.c | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/test/test-glyphs.c b/test/test-glyphs.c deleted file mode 100644 index 46e4529..0000000 --- a/test/test-glyphs.c +++ /dev/null @@ -1,219 +0,0 @@ -#include "test-common.h" - -static int font_open(void) -{ - int fd; - - fd = open(PKGDATADIR "/mmap-unifont.bin", O_RDONLY | O_CLOEXEC); - ck_assert_int_ge(fd, 0); - - return fd; -} - -static void font_close(int fd) -{ - int r; - - r = close(fd); - ck_assert_int_ge(r, 0); -} - -static void *font_mmap(int fd, size_t *out_size) -{ - struct stat st; - void *p; - int r; - - r = fstat(fd, &st); - ck_assert_int_ge(r, 0); - - p = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0); - ck_assert_ptr_ne(p, MAP_FAILED); - - if (out_size) - *out_size = st.st_size; - - return p; -} - -static void font_unmap(void *p, size_t size) -{ - int r; - - r = munmap(p, size); - ck_assert_int_ge(r, 0); -} - -static int font_fd = -1; -static void *font_p = NULL; -static size_t font_size = 0; - -static void font_init(void) -{ - font_fd = font_open(); - font_p = font_mmap(font_fd, &font_size); -} - -static void font_destroy(void) -{ - if (font_fd < 0) - return; - - font_unmap(font_p, font_size); - font_close(font_fd); - font_fd = -1; -} - -START_TEST(test_misc_setup) -{ - int fd; - void *p; - size_t size; - - fd = font_open(); - p = font_mmap(fd, &size); - font_unmap(p, size); - font_close(fd); - - font_init(); - ck_assert_int_ge(font_fd, 0); - font_destroy(); - ck_assert_int_lt(font_fd, 0); - font_destroy(); - ck_assert_int_lt(font_fd, 0); -} -END_TEST - -static void font_render(char *w, const uint8_t *glyph, size_t width) -{ - unsigned int i, j; - - for (j = 0; j < 16; ++j) { - for (i = 0; i < 8 * width; ++i) { - if (glyph[i / 8] & (1 << (7 - i % 8))) - *w++ = '#'; - else - *w++ = ' '; - } - *w++ = '\n'; - glyph += 1 * width; - } - - *w++ = 0; -} - -START_TEST(test_misc_draw) -{ - char buf[1024]; - const uint8_t *p, *end, *glyph; - size_t size, width; - uint32_t header_size, glyph_size; - - font_init(); - - p = font_p; - size = font_size; - end = p + font_size; - - /* parse 4-byte header-size */ - { - ck_assert_int_ge(size, 4); - header_size = *(uint32_t*)p; - header_size = le32toh(header_size); - p += sizeof(uint32_t); - } - - /* parse header */ - { - glyph_size = 33; - - switch (header_size) { - default: - /* fallthrough */ - case 4: - glyph_size = *(uint32_t*)p; - glyph_size = le32toh(glyph_size); - /* fallthrough */ - case 0 ... 3: - break; - } - - ck_assert_int_ge(glyph_size, 33); - } - - /* forward @p to end of header */ - p += header_size; - - /* access glyph 'A' */ - glyph = p + glyph_size * 'A'; - ck_assert(end >= glyph + glyph_size); - width = *glyph++; - ck_assert_int_eq(width, 1); - - /* draw glyph 'A' */ - font_render(buf, glyph, width); - ck_assert(!strcmp(buf, - " \n" - " \n" - " \n" - " \n" - " ## \n" - " # # \n" - " # # \n" - " # # \n" - " # # \n" - " ###### \n" - " # # \n" - " # # \n" - " # # \n" - " # # \n" - " \n" - " \n" - )); - - /* access wide glyph 0x4ec0 ('什') */ - glyph = p + glyph_size * 0x4ec0; - ck_assert(end >= glyph + glyph_size); - width = *glyph++; - ck_assert_int_eq(width, 2); - - /* draw wide glyph */ - font_render(buf, glyph, width); - ck_assert(!strcmp(buf, - " # # \n" - " # # \n" - " # # \n" - " # # \n" - " # # \n" - " ## # \n" - " ## ########## \n" - " # # # \n" - "# # # \n" - " # # \n" - " # # \n" - " # # \n" - " # # \n" - " # # \n" - " # # \n" - " # # \n" - )); - - /* close font */ - font_destroy(); -} -END_TEST - -TEST_DEFINE_CASE(misc) - TEST(test_misc_setup) - TEST(test_misc_draw) -TEST_END_CASE - -int main(int argc, char **argv) -{ - if (access(PKGDATADIR "/mmap-unifont.bin", F_OK)) - return 77; - - return test_run_suite(TEST_SUITE(glyphs, - TEST_CASE(misc), - TEST_END)); -} |