/*
 * Copyright (c) 2019 Oticon A/S
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#include <ztest.h>
#include <sys/util.h>
#include <string.h>

/**
 * @brief Test of u8_to_dec
 *
 * This test verifies conversion of various input values.
 *
 */
static void test_u8_to_dec(void)
{
	char text[4];
	u8_t len;

	len = u8_to_dec(text, sizeof(text), 0);
	zassert_equal(len, 1, "Length of 0 is not 1");
	zassert_equal(strcmp(text, "0"), 0,
		      "Value=0 is not converted to \"0\"");

	len = u8_to_dec(text, sizeof(text), 1);
	zassert_equal(len, 1, "Length of 1 is not 1");
	zassert_equal(strcmp(text, "1"), 0,
		      "Value=1 is not converted to \"1\"");

	len = u8_to_dec(text, sizeof(text), 11);
	zassert_equal(len, 2, "Length of 11 is not 2");
	zassert_equal(strcmp(text, "11"), 0,
		      "Value=10 is not converted to \"11\"");

	len = u8_to_dec(text, sizeof(text), 100);
	zassert_equal(len, 3, "Length of 100 is not 3");
	zassert_equal(strcmp(text, "100"), 0,
		      "Value=100 is not converted to \"100\"");

	len = u8_to_dec(text, sizeof(text), 101);
	zassert_equal(len, 3, "Length of 101 is not 3");
	zassert_equal(strcmp(text, "101"), 0,
		      "Value=101 is not converted to \"101\"");

	len = u8_to_dec(text, sizeof(text), 255);
	zassert_equal(len, 3, "Length of 255 is not 3");
	zassert_equal(strcmp(text, "255"), 0,
		      "Value=255 is not converted to \"255\"");

	memset(text, 0, sizeof(text));
	len = u8_to_dec(text, 2, 123);
	zassert_equal(len, 2,
		      "Length of converted value using 2 byte buffer isn't 2");
	zassert_equal(
		strcmp(text, "12"), 0,
		"Value=123 is not converted to \"12\" using 2-byte buffer");

	memset(text, 0, sizeof(text));
	len = u8_to_dec(text, 1, 123);
	zassert_equal(len, 1,
		      "Length of converted value using 1 byte buffer isn't 1");
	zassert_equal(
		strcmp(text, "1"), 0,
		"Value=123 is not converted to \"1\" using 1-byte buffer");

	memset(text, 0, sizeof(text));
	len = u8_to_dec(text, 0, 123);
	zassert_equal(len, 0,
		      "Length of converted value using 0 byte buffer isn't 0");
}

void test_main(void)
{
	ztest_test_suite(test_lib_sys_util_tests,
		ztest_unit_test(test_u8_to_dec)
	);

	ztest_run_test_suite(test_lib_sys_util_tests);
}