test_frame.c

/*
 * This file is part of tframetest.
 *
 * Copyright (c) 2023 Tuxera Inc.
 *
 * 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 2 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 <sys/types.h>
#include <sys/wait.h>
#include <stdlib.h>
#include <unistd.h>

#include "profile.h"
#include "unittest.h"
#include "frame.h"

static const platform_t *frame_platform = NULL;

static frame_t *gen_default_frame(void)
{
	profile_t prof;

	prof = profile_get_by_index(1);
	return frame_gen(frame_platform, prof);
}

int test_frame_gen(void)
{
	frame_t *frm;

	frm = gen_default_frame();
	TEST_ASSERT(frm);

	frame_destroy(frame_platform, frm);

	return 0;
}

int test_frame_fill(void)
{
	frame_t *frm;
	size_t i;

	frm = gen_default_frame();
	TEST_ASSERT(frm);

	/* Default fill with 't' */
	for (i = 0; i < frm->size; i++)
		TEST_ASSERT_EQI(i, ((unsigned char*)frm->data)[i], 't');

	/* Test fill works */
	TEST_ASSERT_EQ(frame_fill(frm, 0x42), frm->size);
	for (i = 0; i < frm->size; i++)
		TEST_ASSERT_EQI(i, ((unsigned char*)frm->data)[i], 0x42);

	frame_destroy(frame_platform, frm);

	return 0;
}

int test_frame_write_read(void)
{
	frame_t *frm;
	frame_t *frm_read;
	size_t fw;
	int fd;

	frm = gen_default_frame();
	frm_read = gen_default_frame();
	TEST_ASSERT(frm);
	TEST_ASSERT(frm_read);

	TEST_ASSERT_EQ(frame_fill(frm, 0x42), frm->size);
	TEST_ASSERT_EQ(((unsigned char*)frm->data)[0], 0x42);
	TEST_ASSERT_EQ(((unsigned char*)frm_read->data)[0], 't');

	fd = frame_platform->open("tst1", PLATFORM_OPEN_WRITE |
			PLATFORM_OPEN_CREATE |
			PLATFORM_OPEN_DIRECT, 0666);
	fw = frame_write(frame_platform, fd, frm);
	TEST_ASSERT_EQ(fw, frm->size);
	frame_platform->close(fd);

	TEST_ASSERT_EQ(((unsigned char*)frm_read->data)[0], 't');

	fd = frame_platform->open("tst1", PLATFORM_OPEN_READ |
			PLATFORM_OPEN_DIRECT, 0666);
	fw = frame_read(frame_platform, fd, frm_read);
	TEST_ASSERT_EQ(fw, frm->size);

	TEST_ASSERT_EQ(((unsigned char*)frm->data)[0], 0x42);
	TEST_ASSERT_EQ(((unsigned char*)frm_read->data)[0], 0x42);
	frame_platform->close(fd);

	frame_destroy(frame_platform, frm);
	frame_destroy(frame_platform, frm_read);

	return 0;
}

int test_frame(void)
{
	TEST_INIT();

	frame_platform = test_platform_get();

	TEST(frame_gen);
	TEST(frame_fill);
	TEST(frame_write_read);

	test_platform_finalize();

	TEST_END();
}