| /*- |
| * 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: head/lib/libarchive/test/test_write_compress_gzip.c 191183 2009-04-17 01:06:31Z kientzle $"); |
| |
| /* |
| * A basic exercise of gzip reading and writing. |
| * |
| * TODO: Add a reference file and make sure we can decompress that. |
| */ |
| |
| DEFINE_TEST(test_write_filter_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, use_prog = 0; |
| |
| buffsize = 2000000; |
| assert(NULL != (buff = (char *)malloc(buffsize))); |
| if (buff == NULL) |
| return; |
| |
| datasize = 10000; |
| assert(NULL != (data = (char *)malloc(datasize))); |
| if (data == NULL) { |
| free(buff); |
| return; |
| } |
| memset(data, 0, datasize); |
| |
| /* |
| * Write a 100 files and read them all back. |
| */ |
| assert((a = archive_write_new()) != NULL); |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a)); |
| r = archive_write_add_filter_gzip(a); |
| if (r != ARCHIVE_OK) { |
| if (canGzip() && r == ARCHIVE_WARN) |
| use_prog = 1; |
| else { |
| skipping("gzip writing not supported on this platform"); |
| assertEqualInt(ARCHIVE_OK, archive_write_free(a)); |
| free(buff); |
| free(data); |
| return; |
| } |
| } |
| assertEqualIntA(a, ARCHIVE_OK, |
| archive_write_set_bytes_per_block(a, 10)); |
| assertEqualInt(ARCHIVE_FILTER_GZIP, archive_filter_code(a, 0)); |
| assertEqualString("gzip", archive_filter_name(a, 0)); |
| assertEqualIntA(a, ARCHIVE_OK, |
| archive_write_open_memory(a, buff, buffsize, &used1)); |
| 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); |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae)); |
| assertA(datasize |
| == (size_t)archive_write_data(a, data, datasize)); |
| } |
| archive_entry_free(ae); |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a)); |
| assertEqualInt(ARCHIVE_OK, archive_write_free(a)); |
| |
| assert((a = archive_read_new()) != NULL); |
| assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a)); |
| r = archive_read_support_filter_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_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_free(a)); |
| |
| /* |
| * Repeat the cycle again, this time setting some compression |
| * options. |
| */ |
| assert((a = archive_write_new()) != NULL); |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a)); |
| assertEqualIntA(a, ARCHIVE_OK, |
| archive_write_set_bytes_per_block(a, 10)); |
| assertEqualIntA(a, (use_prog)?ARCHIVE_WARN:ARCHIVE_OK, |
| archive_write_add_filter_gzip(a)); |
| assertEqualIntA(a, ARCHIVE_FAILED, |
| archive_write_set_options(a, "gzip:nonexistent-option=0")); |
| assertEqualIntA(a, ARCHIVE_OK, |
| archive_write_set_options(a, "gzip:compression-level=1")); |
| assertEqualIntA(a, ARCHIVE_OK, |
| archive_write_set_filter_option(a, NULL, "compression-level", "9")); |
| assertEqualIntA(a, ARCHIVE_FAILED, |
| archive_write_set_filter_option(a, NULL, "compression-level", "abc")); |
| assertEqualIntA(a, ARCHIVE_FAILED, |
| archive_write_set_filter_option(a, NULL, "compression-level", "99")); |
| assertEqualIntA(a, ARCHIVE_OK, |
| archive_write_set_options(a, "gzip:compression-level=9")); |
| assertEqualIntA(a, ARCHIVE_OK, 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); |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae)); |
| assertA(datasize == (size_t)archive_write_data(a, data, datasize)); |
| archive_entry_free(ae); |
| } |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a)); |
| assertEqualInt(ARCHIVE_OK, archive_write_free(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_filter_gzip(a); |
| if (r != ARCHIVE_OK && !use_prog) { |
| skipping("gzip reading not fully supported on this platform"); |
| } else { |
| assertEqualIntA(a, ARCHIVE_OK, |
| archive_read_support_filter_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_free(a)); |
| |
| /* |
| * Repeat again, with much lower compression. |
| */ |
| assert((a = archive_write_new()) != NULL); |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a)); |
| assertEqualIntA(a, ARCHIVE_OK, |
| archive_write_set_bytes_per_block(a, 10)); |
| assertEqualIntA(a, (use_prog)?ARCHIVE_WARN:ARCHIVE_OK, |
| archive_write_add_filter_gzip(a)); |
| assertEqualIntA(a, ARCHIVE_OK, |
| archive_write_set_filter_option(a, NULL, "compression-level", "1")); |
| assertEqualIntA(a, ARCHIVE_OK, |
| 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); |
| assertEqualIntA(a, ARCHIVE_OK, 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); |
| } |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a)); |
| assertEqualInt(ARCHIVE_OK, archive_write_free(a)); |
| |
| /* Level 1 really does result in larger data. */ |
| failure("Compression-level=1 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)); |
| assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a)); |
| r = archive_read_support_filter_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_free(a)); |
| |
| /* |
| * Test various premature shutdown scenarios to make sure we |
| * don't crash or leak memory. |
| */ |
| assert((a = archive_write_new()) != NULL); |
| assertEqualIntA(a, (use_prog)?ARCHIVE_WARN:ARCHIVE_OK, |
| archive_write_add_filter_gzip(a)); |
| assertEqualInt(ARCHIVE_OK, archive_write_free(a)); |
| |
| assert((a = archive_write_new()) != NULL); |
| assertEqualIntA(a, (use_prog)?ARCHIVE_WARN:ARCHIVE_OK, |
| archive_write_add_filter_gzip(a)); |
| assertEqualInt(ARCHIVE_OK, archive_write_close(a)); |
| assertEqualInt(ARCHIVE_OK, archive_write_free(a)); |
| |
| assert((a = archive_write_new()) != NULL); |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a)); |
| assertEqualIntA(a, (use_prog)?ARCHIVE_WARN:ARCHIVE_OK, |
| archive_write_add_filter_gzip(a)); |
| assertEqualInt(ARCHIVE_OK, archive_write_close(a)); |
| assertEqualInt(ARCHIVE_OK, archive_write_free(a)); |
| |
| assert((a = archive_write_new()) != NULL); |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a)); |
| assertEqualIntA(a, (use_prog)?ARCHIVE_WARN:ARCHIVE_OK, |
| archive_write_add_filter_gzip(a)); |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_open_memory(a, buff, buffsize, &used2)); |
| assertEqualInt(ARCHIVE_OK, archive_write_close(a)); |
| assertEqualInt(ARCHIVE_OK, archive_write_free(a)); |
| |
| /* |
| * Clean up. |
| */ |
| free(data); |
| free(buff); |
| } |