976f963d13
Ensure 100% code coverage of lib/utils/hex.c Signed-off-by: Benjamin Cabé <benjamin@zephyrproject.org>
124 lines
2.5 KiB
C
124 lines
2.5 KiB
C
/*
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* Copyright The Zephyr Project Contributors
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/ztest.h>
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#include <zephyr/sys/util.h>
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#include "../../../lib/utils/hex.c"
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ZTEST(hex, test_char2hex_valid)
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{
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uint8_t x;
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zassert_ok(char2hex('0', &x));
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zassert_equal(x, 0);
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zassert_ok(char2hex('9', &x));
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zassert_equal(x, 9);
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zassert_ok(char2hex('a', &x));
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zassert_equal(x, 10);
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zassert_ok(char2hex('f', &x));
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zassert_equal(x, 15);
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zassert_ok(char2hex('A', &x));
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zassert_equal(x, 10);
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zassert_ok(char2hex('F', &x));
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zassert_equal(x, 15);
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}
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ZTEST(hex, test_char2hex_invalid)
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{
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uint8_t x;
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zassert_equal(char2hex('g', &x), -EINVAL);
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zassert_equal(char2hex('G', &x), -EINVAL);
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zassert_equal(char2hex('!', &x), -EINVAL);
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}
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ZTEST(hex, test_hex2char_valid)
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{
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char c;
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zassert_ok(hex2char(0, &c));
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zassert_equal(c, '0');
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zassert_ok(hex2char(9, &c));
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zassert_equal(c, '9');
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zassert_ok(hex2char(10, &c));
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zassert_equal(c, 'a');
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zassert_ok(hex2char(15, &c));
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zassert_equal(c, 'f');
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}
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ZTEST(hex, test_hex2char_invalid)
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{
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char c;
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zassert_equal(hex2char(16, &c), -EINVAL);
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}
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ZTEST(hex, test_bin2hex)
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{
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uint8_t buf[] = {0x00, 0x10, 0xFF, 0x3A};
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char hexstr[9];
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size_t len;
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len = bin2hex(buf, sizeof(buf), hexstr, sizeof(hexstr));
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zassert_equal(len, 8);
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zassert_mem_equal(hexstr, "0010ff3a", 9);
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}
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ZTEST(hex, test_bin2hex_too_small)
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{
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uint8_t buf[] = {0xAA};
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char hexstr[2];
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zassert_equal(bin2hex(buf, sizeof(buf), hexstr, sizeof(hexstr)), 0);
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}
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ZTEST(hex, test_hex2bin_even)
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{
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const char *hexstr = "0010ff3a";
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uint8_t expected[] = {0x00, 0x10, 0xFF, 0x3A};
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uint8_t buf[4];
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size_t len;
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len = hex2bin(hexstr, strlen(hexstr), buf, sizeof(buf));
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zassert_equal(len, 4);
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zassert_mem_equal(buf, expected, sizeof(expected));
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}
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ZTEST(hex, test_hex2bin_odd)
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{
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const char *hexstr = "abc";
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uint8_t expected[] = {0x0a, 0xbc};
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uint8_t buf[2];
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size_t len;
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len = hex2bin(hexstr, strlen(hexstr), buf, sizeof(buf));
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zassert_equal(len, 2);
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zassert_mem_equal(buf, expected, sizeof(expected));
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}
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ZTEST(hex, test_hex2bin_invalid)
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{
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const char *hexstr1 = "g04";
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const char *hexstr2 = "01g4";
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const char *hexstr3 = "014g";
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uint8_t buf[2];
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zassert_equal(hex2bin(hexstr1, strlen(hexstr1), buf, sizeof(buf)), 0);
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zassert_equal(hex2bin(hexstr2, strlen(hexstr2), buf, sizeof(buf)), 0);
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zassert_equal(hex2bin(hexstr3, strlen(hexstr3), buf, sizeof(buf)), 0);
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}
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ZTEST(hex, test_hex2bin_buf_too_small)
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{
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const char *hexstr = "abc";
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uint8_t buf[1];
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zassert_equal(hex2bin(hexstr, strlen(hexstr), buf, sizeof(buf)), 0);
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}
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ZTEST_SUITE(hex, NULL, NULL, NULL, NULL, NULL);
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