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tests: add test for bsdiff

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Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
This commit is contained in:
Giuseppe Scrivano 2015-02-23 10:05:19 +01:00 committed by Colin Walters
parent 439e1c1b97
commit 6029f4d820
2 changed files with 112 additions and 2 deletions
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8
Makefile-tests.am
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@ -104,7 +104,7 @@ endif
endif
# "make check" do not depend from --enable-installed-tests
check_PROGRAMS = tests/test-rollsum tests/test-varint tests/test-ot-unix-utils
check_PROGRAMS = tests/test-rollsum tests/test-varint tests/test-ot-unix-utils tests/test-bsdiff
tests_test_ot_unix_utils_CFLAGS = $(ostree_bin_shared_cflags) $(OT_INTERNAL_GIO_UNIX_CFLAGS)
tests_test_ot_unix_utils_LDADD = $(ostree_bin_shared_ldadd) $(OT_INTERNAL_GIO_UNIX_LIBS)
@ -117,4 +117,8 @@ tests_test_varint_SOURCES = src/libostree/ostree-varint.c tests/test-varint.c
tests_test_varint_CFLAGS = $(ostree_bin_shared_cflags) $(OT_INTERNAL_GIO_UNIX_CFLAGS)
tests_test_varint_LDADD = $(ostree_bin_shared_ldadd) $(OT_INTERNAL_GIO_UNIX_LIBS)
TESTS = tests/test-varint tests/test-ot-unix-utils
tests_test_bsdiff_SOURCES = tests/test-bsdiff.c bsdiff/bsdiff.c bsdiff/bspatch.c
tests_test_bsdiff_CFLAGS = $(ostree_bin_shared_cflags) $(OT_INTERNAL_GIO_UNIX_CFLAGS)
tests_test_bsdiff_LDADD = $(ostree_bin_shared_ldadd) $(OT_INTERNAL_GIO_UNIX_LIBS)
TESTS = tests/test-varint tests/test-ot-unix-utils tests/test-bsdiff

106
tests/test-bsdiff.c Normal file
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@ -0,0 +1,106 @@
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
*
* Copyright (C) 2015 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include "libgsystem.h"
#include "bsdiff/bsdiff.h"
#include "bsdiff/bspatch.h"
#include <glib.h>
#include <stdlib.h>
#include <gio/gio.h>
#include <string.h>
static int
bzpatch_read (const struct bspatch_stream* stream, void* buffer, int length)
{
GInputStream *in = stream->opaque;
if (length && ! g_input_stream_read (in,
buffer,
length,
NULL,
NULL))
return -1;
return 0;
}
static int
bzdiff_write (struct bsdiff_stream* stream, const void* buffer, int size)
{
GOutputStream *out = stream->opaque;
if (! g_output_stream_write (out,
buffer,
size,
NULL,
NULL))
return -1;
return 0;
}
static void
test_bsdiff (void)
{
#define OLD_SIZE 512
#define NEW_SIZE (512+24)
struct bsdiff_stream bsdiff_stream;
struct bspatch_stream bspatch_stream;
int i;
gs_free guint8 *old = g_new (guint8, OLD_SIZE);
gs_free guint8 *new = g_new (guint8, NEW_SIZE);
gs_free guint8 *new_generated = g_new0 (guint8, NEW_SIZE);
gs_unref_object GOutputStream *out = g_memory_output_stream_new_resizable ();
gs_unref_object GInputStream *in = NULL;
new[0] = 'A';
for (i = 0; i < OLD_SIZE; i++)
{
old[i] = i;
new[i + 1] = old[i];
}
for (i = OLD_SIZE + 1; i < NEW_SIZE; i++)
new[i] = i;
bsdiff_stream.malloc = malloc;
bsdiff_stream.free = free;
bsdiff_stream.write = bzdiff_write;
bsdiff_stream.opaque = out;
g_assert_cmpint (bsdiff (old, OLD_SIZE, new, NEW_SIZE, &bsdiff_stream), ==, 0);
g_output_stream_close (out, NULL, NULL);
/* Now generate NEW_GENERATED from OLD and OUT. */
in = g_memory_input_stream_new_from_bytes (g_memory_output_stream_steal_as_bytes (G_MEMORY_OUTPUT_STREAM (out)));
bspatch_stream.read = bzpatch_read;
bspatch_stream.opaque = in;
g_assert_cmpint (bspatch (old, OLD_SIZE, new_generated, NEW_SIZE, &bspatch_stream), ==, 0);
g_assert_cmpint (memcmp (new, new_generated, NEW_SIZE), ==, 0);
}
int main (int argc, char **argv)
{
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/bsdiff", test_bsdiff);
return g_test_run();
}