]> git.sesse.net Git - fjl/blobdiff - input_test.c
Rename input.h to bitsource.h (and friends).
[fjl] / input_test.c
diff --git a/input_test.c b/input_test.c
deleted file mode 100644 (file)
index 57fae74..0000000
+++ /dev/null
@@ -1,130 +0,0 @@
-#include <stdio.h>
-#include <string.h>
-#include <assert.h>
-#include <time.h>
-#include <sys/time.h>
-
-#include "input.h"
-
-struct custom_read_userdata {
-       uint8_t* bytes;
-       unsigned bytes_left;
-};
-
-ssize_t custom_read(void* userdata, uint8_t* buf, size_t count)
-{
-       struct custom_read_userdata* ud = (struct custom_read_userdata*)userdata;
-       size_t num_to_read = (ud->bytes_left > count ? count : ud->bytes_left);
-       memcpy(buf, ud->bytes, num_to_read);
-       ud->bytes += num_to_read;
-       ud->bytes_left -= num_to_read;
-       return num_to_read;     
-}
-
-ssize_t custom_read_slow(void* userdata, uint8_t* buf, size_t count)
-{
-       struct custom_read_userdata* ud = (struct custom_read_userdata*)userdata;
-       size_t num_to_read = ((count > 0 && ud->bytes_left > 0) ? 1 : 0);
-       memcpy(buf, ud->bytes, num_to_read);
-       ud->bytes += num_to_read;
-       ud->bytes_left -= num_to_read;
-       return num_to_read;
-}
-
-// Read 6 bits at a time. We should get 0b101010 every time.
-void test_basic_reading()
-{
-       uint8_t bytes[] = { 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa };
-       struct custom_read_userdata ud;
-       ud.bytes = bytes;
-       ud.bytes_left = sizeof(bytes);
-
-       struct bit_source source;
-       init_bit_source(&source, custom_read, &ud);
-
-       for (unsigned i = 0; i < sizeof(bytes) * 8 / 6; ++i) {
-               possibly_refill(&source, 6);
-               unsigned ret = read_bits(&source, 6);
-               assert(ret == 0x2a);
-       }
-
-       assert(ud.bytes_left == 0);
-}
-
-// Same, but with an input source that gives back only one byte at a time.
-void test_slow_source()
-{
-       uint8_t bytes[] = { 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa };
-       struct custom_read_userdata ud;
-       ud.bytes = bytes;
-       ud.bytes_left = sizeof(bytes);
-
-       struct bit_source source;
-       init_bit_source(&source, custom_read_slow, &ud);
-
-       for (unsigned i = 0; i < sizeof(bytes) * 8 / 6; ++i) {
-               possibly_refill(&source, 6);
-               unsigned ret = read_bits(&source, 6);
-               assert(ret == 0x2a);
-       }
-
-       assert(ud.bytes_left == 0);
-}
-
-// Read a few different bit sizes.
-void test_variable_size()
-{
-       uint8_t bytes[] = { 0x12, 0x34, 0x56, 0x78, 0xff };
-       struct custom_read_userdata ud;
-       ud.bytes = bytes;
-       ud.bytes_left = sizeof(bytes);
-
-       struct bit_source source;
-       init_bit_source(&source, custom_read, &ud);
-
-       {
-               possibly_refill(&source, 4);
-               unsigned ret = read_bits(&source, 1);
-               assert(ret == 0x0);
-               ret = read_bits(&source, 1);
-               assert(ret == 0x0);
-               ret = read_bits(&source, 1);
-               assert(ret == 0x0);
-               ret = read_bits(&source, 1);
-               assert(ret == 0x1);
-       }
-       {
-               possibly_refill(&source, 4);
-               unsigned ret = read_bits(&source, 4);
-               assert(ret == 0x2);
-       }
-       {
-               possibly_refill(&source, 12);
-               unsigned ret = read_bits(&source, 12);
-               assert(ret == 0x345);
-       }
-       {
-               possibly_refill(&source, 20);
-               unsigned ret = read_bits(&source, 16);
-               assert(ret == 0x678f);
-               ret = read_bits(&source, 4);
-               assert(ret == 0xf);
-       }
-
-       assert(ud.bytes_left == 0);
-}
-
-int main(void)
-{
-       printf("test_basic_reading()\n");
-       test_basic_reading();
-       
-       printf("test_slow_source()\n");
-       test_slow_source();
-       
-       printf("test_variable_size()\n");
-       test_variable_size();
-       
-       printf("All tests pass.\n");
-       return 0;
-}