Removed old ZSTD test

utils/compressor/CMakeLists.txt

@@ -1,17 +1,5 @@
-find_package (Threads)
-
-add_executable (zstd_test zstd_test.cpp)
-if(ZSTD_LIBRARY)
-    target_link_libraries(zstd_test PRIVATE ${ZSTD_LIBRARY})
-endif()
-target_link_libraries (zstd_test PRIVATE common)
-
 add_executable (mutator mutator.cpp)
 target_link_libraries(mutator PRIVATE clickhouse_common_io)
 
 add_executable (decompress_perf decompress_perf.cpp)
 target_link_libraries(decompress_perf PRIVATE dbms ${LZ4_LIBRARY})
-
-if (NOT USE_INTERNAL_ZSTD_LIBRARY AND ZSTD_INCLUDE_DIR)
-    target_include_directories (zstd_test BEFORE PRIVATE ${ZSTD_INCLUDE_DIR})
-endif ()

utils/compressor/zstd_test.cpp

@@ -1,68 +0,0 @@
-#include <port/unistd.h>
-#include <zstd.h>
-#include <vector>
-#include <stdexcept>
-#include <sys/types.h>
-
-
-int main(int argc, char ** argv)
-{
-    bool compress = argc == 1;
-
-    const size_t size = 1048576;
-    std::vector<char> src_buf(size);
-    std::vector<char> dst_buf;
-
-    size_t pos = 0;
-    while (true)
-    {
-        ssize_t read_res = read(STDIN_FILENO, &src_buf[pos], size - pos);
-        if (read_res < 0)
-            throw std::runtime_error("Cannot read from stdin");
-        if (read_res == 0)
-            break;
-        pos += read_res;
-    }
-
-    src_buf.resize(pos);
-
-    size_t zstd_res;
-
-    if (compress)
-    {
-        dst_buf.resize(ZSTD_compressBound(src_buf.size()));
-
-        zstd_res = ZSTD_compress(
-            &dst_buf[0],
-            dst_buf.size(),
-            &src_buf[0],
-            src_buf.size(),
-            1);
-    }
-    else
-    {
-        dst_buf.resize(size);
-
-        zstd_res = ZSTD_decompress(
-            &dst_buf[0],
-            dst_buf.size(),
-            &src_buf[0],
-            src_buf.size());
-    }
-
-    if (ZSTD_isError(zstd_res))
-        throw std::runtime_error(ZSTD_getErrorName(zstd_res));
-
-    dst_buf.resize(zstd_res);
-
-    pos = 0;
-    while (pos < dst_buf.size())
-    {
-        ssize_t write_res = write(STDOUT_FILENO, &dst_buf[pos], dst_buf.size());
-        if (write_res <= 0)
-            throw std::runtime_error("Cannot write to stdout");
-        pos += write_res;
-    }
-
-    return 0;
-}