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-rw-r--r--tests/core/zstream.c168
1 files changed, 0 insertions, 168 deletions
diff --git a/tests/core/zstream.c b/tests/core/zstream.c
deleted file mode 100644
index 3cbcea168..000000000
--- a/tests/core/zstream.c
+++ /dev/null
@@ -1,168 +0,0 @@
-#include "clar_libgit2.h"
-#include "buffer.h"
-#include "zstream.h"
-
-static const char *data = "This is a test test test of This is a test";
-
-#define INFLATE_EXTRA 2
-
-static void assert_zlib_equal_(
- const void *expected, size_t e_len,
- const void *compressed, size_t c_len,
- const char *msg, const char *file, const char *func, int line)
-{
- z_stream stream;
- char *expanded = git__calloc(1, e_len + INFLATE_EXTRA);
- cl_assert(expanded);
-
- memset(&stream, 0, sizeof(stream));
- stream.next_out = (Bytef *)expanded;
- stream.avail_out = (uInt)(e_len + INFLATE_EXTRA);
- stream.next_in = (Bytef *)compressed;
- stream.avail_in = (uInt)c_len;
-
- cl_assert(inflateInit(&stream) == Z_OK);
- cl_assert(inflate(&stream, Z_FINISH));
- inflateEnd(&stream);
-
- clar__assert_equal(
- file, func, line, msg, 1,
- "%d", (int)stream.total_out, (int)e_len);
- clar__assert_equal(
- file, func, line, "Buffer len was not exact match", 1,
- "%d", (int)stream.avail_out, (int)INFLATE_EXTRA);
-
- clar__assert(
- memcmp(expanded, expected, e_len) == 0,
- file, func, line, "uncompressed data did not match", NULL, 1);
-
- git__free(expanded);
-}
-
-#define assert_zlib_equal(E,EL,C,CL) \
- assert_zlib_equal_(E, EL, C, CL, #EL " != " #CL, __FILE__, __func__, (int)__LINE__)
-
-void test_core_zstream__basic(void)
-{
- git_zstream z = GIT_ZSTREAM_INIT;
- char out[128];
- size_t outlen = sizeof(out);
-
- cl_git_pass(git_zstream_init(&z, GIT_ZSTREAM_DEFLATE));
- cl_git_pass(git_zstream_set_input(&z, data, strlen(data) + 1));
- cl_git_pass(git_zstream_get_output(out, &outlen, &z));
- cl_assert(git_zstream_done(&z));
- cl_assert(outlen > 0);
- git_zstream_free(&z);
-
- assert_zlib_equal(data, strlen(data) + 1, out, outlen);
-}
-
-void test_core_zstream__fails_on_trailing_garbage(void)
-{
- git_buf deflated = GIT_BUF_INIT, inflated = GIT_BUF_INIT;
- char i = 0;
-
- /* compress a simple string */
- git_zstream_deflatebuf(&deflated, "foobar!!", 8);
-
- /* append some garbage */
- for (i = 0; i < 10; i++) {
- git_buf_putc(&deflated, i);
- }
-
- cl_git_fail(git_zstream_inflatebuf(&inflated, deflated.ptr, deflated.size));
-
- git_buf_dispose(&deflated);
- git_buf_dispose(&inflated);
-}
-
-void test_core_zstream__buffer(void)
-{
- git_buf out = GIT_BUF_INIT;
- cl_git_pass(git_zstream_deflatebuf(&out, data, strlen(data) + 1));
- assert_zlib_equal(data, strlen(data) + 1, out.ptr, out.size);
- git_buf_dispose(&out);
-}
-
-#define BIG_STRING_PART "Big Data IS Big - Long Data IS Long - We need a buffer larger than 1024 x 1024 to make sure we trigger chunked compression - Big Big Data IS Bigger than Big - Long Long Data IS Longer than Long"
-
-static void compress_and_decompress_input_various_ways(git_buf *input)
-{
- git_buf out1 = GIT_BUF_INIT, out2 = GIT_BUF_INIT;
- git_buf inflated = GIT_BUF_INIT;
- size_t i, fixed_size = max(input->size / 2, 256);
- char *fixed = git__malloc(fixed_size);
- cl_assert(fixed);
-
- /* compress with deflatebuf */
-
- cl_git_pass(git_zstream_deflatebuf(&out1, input->ptr, input->size));
- assert_zlib_equal(input->ptr, input->size, out1.ptr, out1.size);
-
- /* compress with various fixed size buffer (accumulating the output) */
-
- for (i = 0; i < 3; ++i) {
- git_zstream zs = GIT_ZSTREAM_INIT;
- size_t use_fixed_size;
-
- switch (i) {
- case 0: use_fixed_size = 256; break;
- case 1: use_fixed_size = fixed_size / 2; break;
- case 2: use_fixed_size = fixed_size; break;
- }
- cl_assert(use_fixed_size <= fixed_size);
-
- cl_git_pass(git_zstream_init(&zs, GIT_ZSTREAM_DEFLATE));
- cl_git_pass(git_zstream_set_input(&zs, input->ptr, input->size));
-
- while (!git_zstream_done(&zs)) {
- size_t written = use_fixed_size;
- cl_git_pass(git_zstream_get_output(fixed, &written, &zs));
- cl_git_pass(git_buf_put(&out2, fixed, written));
- }
-
- git_zstream_free(&zs);
- assert_zlib_equal(input->ptr, input->size, out2.ptr, out2.size);
-
- /* did both approaches give the same data? */
- cl_assert_equal_sz(out1.size, out2.size);
- cl_assert(!memcmp(out1.ptr, out2.ptr, out1.size));
-
- git_buf_dispose(&out2);
- }
-
- cl_git_pass(git_zstream_inflatebuf(&inflated, out1.ptr, out1.size));
- cl_assert_equal_i(input->size, inflated.size);
- cl_assert(memcmp(input->ptr, inflated.ptr, inflated.size) == 0);
-
- git_buf_dispose(&out1);
- git_buf_dispose(&inflated);
- git__free(fixed);
-}
-
-void test_core_zstream__big_data(void)
-{
- git_buf in = GIT_BUF_INIT;
- size_t scan, target;
-
- for (target = 1024; target <= 1024 * 1024 * 4; target *= 8) {
-
- /* make a big string that's easy to compress */
- git_buf_clear(&in);
- while (in.size < target)
- cl_git_pass(
- git_buf_put(&in, BIG_STRING_PART, strlen(BIG_STRING_PART)));
-
- compress_and_decompress_input_various_ways(&in);
-
- /* make a big string that's hard to compress */
- srand(0xabad1dea);
- for (scan = 0; scan < in.size; ++scan)
- in.ptr[scan] = (char)rand();
-
- compress_and_decompress_input_various_ways(&in);
- }
-
- git_buf_dispose(&in);
-}