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Diffstat (limited to 'unittest/test_compr_none.cpp')
| -rw-r--r-- | unittest/test_compr_none.cpp | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/unittest/test_compr_none.cpp b/unittest/test_compr_none.cpp new file mode 100644 index 00000000..76411e7b --- /dev/null +++ b/unittest/test_compr_none.cpp @@ -0,0 +1,68 @@ +// Copyright (C) 2019 Joel Rosdahl and other contributors +// +// See doc/AUTHORS.adoc for a complete list of contributors. +// +// This program is free software; you can redistribute it and/or modify it +// under the terms of the GNU General Public License as published by the Free +// Software Foundation; either version 3 of the License, or (at your option) +// any later version. +// +// This program is distributed in the hope that it will be useful, but WITHOUT +// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for +// more details. +// +// You should have received a copy of the GNU General Public License along with +// this program; if not, write to the Free Software Foundation, Inc., 51 +// Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + +#include "../src/compression.hpp" +#include "framework.hpp" +#include "util.hpp" + +TEST_SUITE(compr_type_none) + +TEST(small_roundtrip) +{ + const uint64_t expected_foobar_checksum = 0xa2aa05ed9085aaf9ULL; + + XXH64_state_t *checksum = XXH64_createState(); + XXH64_reset(checksum, 0); + + FILE *f = fopen("data.uncompressed", "w"); + struct compressor *compr_none = compressor_from_type(COMPR_TYPE_NONE); + struct compr_state *c_state = compr_none->init(f, -1, checksum); + CHECK(c_state); + + CHECK(compr_none->write(c_state, "foobar", 6)); + + CHECK(compr_none->free(c_state)); + fclose(f); + + CHECK_INT_EQ(XXH64_digest(checksum), expected_foobar_checksum); + + XXH64_reset(checksum, 0); + f = fopen("data.uncompressed", "r"); + struct decompressor *decompr_none = decompressor_from_type(COMPR_TYPE_NONE); + struct decompr_state *d_state = decompr_none->init(f, checksum); + CHECK(d_state); + + char buffer[4]; + CHECK(decompr_none->read(d_state, buffer, 4)); + CHECK(memcmp(buffer, "foob", 4) == 0); + CHECK(decompr_none->read(d_state, buffer, 2)); + CHECK(memcmp(buffer, "ar", 2) == 0); + + // Nothing left to read. + CHECK(!decompr_none->read(d_state, buffer, 1)); + + // Error state is remembered. + CHECK(!decompr_none->free(d_state)); + fclose(f); + + CHECK_INT_EQ(XXH64_digest(checksum), expected_foobar_checksum); + + XXH64_freeState(checksum); +} + +TEST_SUITE_END |