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Diffstat (limited to 'Utilities/cmlibarchive/libarchive/test/test_write_compress_gzip.c')
| -rw-r--r-- | Utilities/cmlibarchive/libarchive/test/test_write_compress_gzip.c | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/Utilities/cmlibarchive/libarchive/test/test_write_compress_gzip.c b/Utilities/cmlibarchive/libarchive/test/test_write_compress_gzip.c new file mode 100644 index 0000000..9a2ddcc --- /dev/null +++ b/Utilities/cmlibarchive/libarchive/test/test_write_compress_gzip.c @@ -0,0 +1,252 @@ +/*- + * Copyright (c) 2007 Tim Kientzle + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer + * in this position and unchanged. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "test.h" +__FBSDID("$FreeBSD$"); + +/* + * A basic exercise of gzip reading and writing. + * + * TODO: Add a reference file and make sure we can decompress that. + */ + +DEFINE_TEST(test_write_compress_gzip) +{ + struct archive_entry *ae; + struct archive* a; + char *buff, *data; + size_t buffsize, datasize; + char path[16]; + size_t used1, used2; + int i, r; + + buffsize = 2000000; + assert(NULL != (buff = (char *)malloc(buffsize))); + + datasize = 10000; + assert(NULL != (data = (char *)malloc(datasize))); + memset(data, 0, datasize); + + /* + * Write a 100 files and read them all back. + */ + assert((a = archive_write_new()) != NULL); + assertA(0 == archive_write_set_format_ustar(a)); + r = archive_write_set_compression_gzip(a); + if (r == ARCHIVE_FATAL) { + skipping("gzip writing not supported on this platform"); + assertEqualInt(ARCHIVE_OK, archive_write_finish(a)); + return; + } + assertEqualIntA(a, ARCHIVE_OK, + archive_write_set_bytes_per_block(a, 10)); + assertEqualInt(ARCHIVE_COMPRESSION_GZIP, archive_compression(a)); + assertEqualString("gzip", archive_compression_name(a)); + assertA(0 == archive_write_open_memory(a, buff, buffsize, &used1)); + assertEqualInt(ARCHIVE_COMPRESSION_GZIP, archive_compression(a)); + assertEqualString("gzip", archive_compression_name(a)); + assert((ae = archive_entry_new()) != NULL); + archive_entry_set_filetype(ae, AE_IFREG); + archive_entry_set_size(ae, datasize); + for (i = 0; i < 100; i++) { + sprintf(path, "file%03d", i); + archive_entry_copy_pathname(ae, path); + assertA(0 == archive_write_header(a, ae)); + assertA(datasize + == (size_t)archive_write_data(a, data, datasize)); + } + archive_entry_free(ae); + archive_write_close(a); + assert(0 == archive_write_finish(a)); + + assert((a = archive_read_new()) != NULL); + assertA(0 == archive_read_support_format_all(a)); + r = archive_read_support_compression_gzip(a); + if (r == ARCHIVE_WARN) { + skipping("Can't verify gzip writing by reading back;" + " gzip reading not fully supported on this platform"); + } else { + assertEqualIntA(a, ARCHIVE_OK, + archive_read_support_compression_all(a)); + assertEqualIntA(a, ARCHIVE_OK, + archive_read_open_memory(a, buff, used1)); + for (i = 0; i < 100; i++) { + sprintf(path, "file%03d", i); + if (!assertEqualInt(ARCHIVE_OK, + archive_read_next_header(a, &ae))) + break; + assertEqualString(path, archive_entry_pathname(ae)); + assertEqualInt((int)datasize, archive_entry_size(ae)); + } + assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a)); + } + assertEqualInt(ARCHIVE_OK, archive_read_finish(a)); + + /* + * Repeat the cycle again, this time setting some compression + * options. + */ + assert((a = archive_write_new()) != NULL); + assertA(0 == archive_write_set_format_ustar(a)); + assertEqualIntA(a, ARCHIVE_OK, + archive_write_set_bytes_per_block(a, 10)); + assertA(0 == archive_write_set_compression_gzip(a)); + assertEqualIntA(a, ARCHIVE_WARN, + archive_write_set_compressor_options(a, "nonexistent-option=0")); + assertEqualIntA(a, ARCHIVE_WARN, + archive_write_set_compressor_options(a, "compression-level=abc")); + assertEqualIntA(a, ARCHIVE_WARN, + archive_write_set_compressor_options(a, "compression-level=99")); + assertEqualIntA(a, ARCHIVE_OK, + archive_write_set_compressor_options(a, "compression-level=9")); + assertA(0 == archive_write_open_memory(a, buff, buffsize, &used2)); + for (i = 0; i < 100; i++) { + sprintf(path, "file%03d", i); + assert((ae = archive_entry_new()) != NULL); + archive_entry_copy_pathname(ae, path); + archive_entry_set_size(ae, datasize); + archive_entry_set_filetype(ae, AE_IFREG); + assertA(0 == archive_write_header(a, ae)); + assertA(datasize == (size_t)archive_write_data(a, data, datasize)); + archive_entry_free(ae); + } + archive_write_close(a); + assert(0 == archive_write_finish(a)); + + /* Curiously, this test fails; the test data above compresses + * better at default compression than at level 9. */ + /* + failure("compression-level=9 wrote %d bytes, default wrote %d bytes", + (int)used2, (int)used1); + assert(used2 < used1); + */ + + assert((a = archive_read_new()) != NULL); + assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a)); + r = archive_read_support_compression_gzip(a); + if (r == ARCHIVE_WARN) { + skipping("gzip reading not fully supported on this platform"); + } else { + assertEqualIntA(a, ARCHIVE_OK, + archive_read_support_compression_all(a)); + assertEqualIntA(a, ARCHIVE_OK, + archive_read_open_memory(a, buff, used2)); + for (i = 0; i < 100; i++) { + sprintf(path, "file%03d", i); + if (!assertEqualInt(ARCHIVE_OK, + archive_read_next_header(a, &ae))) + break; + assertEqualString(path, archive_entry_pathname(ae)); + assertEqualInt((int)datasize, archive_entry_size(ae)); + } + assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a)); + } + assertEqualInt(ARCHIVE_OK, archive_read_finish(a)); + + /* + * Repeat again, with much lower compression. + */ + assert((a = archive_write_new()) != NULL); + assertA(0 == archive_write_set_format_ustar(a)); + assertEqualIntA(a, ARCHIVE_OK, + archive_write_set_bytes_per_block(a, 10)); + assertA(0 == archive_write_set_compression_gzip(a)); + assertEqualIntA(a, ARCHIVE_OK, + archive_write_set_compressor_options(a, "compression-level=0")); + assertA(0 == archive_write_open_memory(a, buff, buffsize, &used2)); + for (i = 0; i < 100; i++) { + sprintf(path, "file%03d", i); + assert((ae = archive_entry_new()) != NULL); + archive_entry_copy_pathname(ae, path); + archive_entry_set_size(ae, datasize); + archive_entry_set_filetype(ae, AE_IFREG); + assertA(0 == archive_write_header(a, ae)); + failure("Writing file %s", path); + assertEqualIntA(a, datasize, + (size_t)archive_write_data(a, data, datasize)); + archive_entry_free(ae); + } + archive_write_close(a); + assert(0 == archive_write_finish(a)); + + /* Level 0 really does result in larger data. */ + failure("Compression-level=0 wrote %d bytes; default wrote %d bytes", + (int)used2, (int)used1); + assert(used2 > used1); + + assert((a = archive_read_new()) != NULL); + assertA(0 == archive_read_support_format_all(a)); + assertA(0 == archive_read_support_compression_all(a)); + r = archive_read_support_compression_gzip(a); + if (r == ARCHIVE_WARN) { + skipping("gzip reading not fully supported on this platform"); + } else { + assertEqualIntA(a, ARCHIVE_OK, + archive_read_open_memory(a, buff, used2)); + for (i = 0; i < 100; i++) { + sprintf(path, "file%03d", i); + if (!assertEqualInt(ARCHIVE_OK, + archive_read_next_header(a, &ae))) + break; + assertEqualString(path, archive_entry_pathname(ae)); + assertEqualInt((int)datasize, archive_entry_size(ae)); + } + assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a)); + } + assertEqualInt(ARCHIVE_OK, archive_read_finish(a)); + + /* + * Test various premature shutdown scenarios to make sure we + * don't crash or leak memory. + */ + assert((a = archive_write_new()) != NULL); + assertEqualIntA(a, ARCHIVE_OK, archive_write_set_compression_gzip(a)); + assertEqualInt(ARCHIVE_OK, archive_write_finish(a)); + + assert((a = archive_write_new()) != NULL); + assertEqualIntA(a, ARCHIVE_OK, archive_write_set_compression_gzip(a)); + assertEqualInt(ARCHIVE_OK, archive_write_close(a)); + assertEqualInt(ARCHIVE_OK, archive_write_finish(a)); + + assert((a = archive_write_new()) != NULL); + assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a)); + assertEqualIntA(a, ARCHIVE_OK, archive_write_set_compression_gzip(a)); + assertEqualInt(ARCHIVE_OK, archive_write_close(a)); + assertEqualInt(ARCHIVE_OK, archive_write_finish(a)); + + assert((a = archive_write_new()) != NULL); + assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a)); + assertEqualIntA(a, ARCHIVE_OK, archive_write_set_compression_gzip(a)); + assertA(0 == archive_write_open_memory(a, buff, buffsize, &used2)); + assertEqualInt(ARCHIVE_OK, archive_write_close(a)); + assertEqualInt(ARCHIVE_OK, archive_write_finish(a)); + + /* + * Clean up. + */ + free(data); + free(buff); +} |