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Diffstat (limited to 'src/libstrongswan/tests/test_printf.c')
| -rw-r--r-- | src/libstrongswan/tests/test_printf.c | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/src/libstrongswan/tests/test_printf.c b/src/libstrongswan/tests/test_printf.c new file mode 100644 index 000000000..6c15fbea1 --- /dev/null +++ b/src/libstrongswan/tests/test_printf.c @@ -0,0 +1,185 @@ +/* + * Copyright (C) 2013 Martin Willi + * Copyright (C) 2013 revosec AG + * + * 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. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * 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. + */ + +#include "test_suite.h" + +#include <errno.h> +#include <math.h> + +static void verify(char *expected, char *format, ...) +{ + FILE *mem; + char buf[128]; + va_list args; + + va_start(args, format); + vsnprintf(buf, sizeof(buf), format, args); + ck_assert_str_eq(expected, buf); + va_end(args); + + mem = fmemopen(buf, sizeof(buf), "w"); + va_start(args, format); + vfprintf(mem, format, args); + va_end(args); + fclose(mem); + ck_assert_str_eq(expected, buf); +} + +START_TEST(test_printf_strings) +{ + verify("a bc def", "%s %s %s", "a", "bc", "def"); + verify("asd", "%.3s", "asdfg"); + verify("asdf", "%.*s", (int)4, "asdfg"); + verify(" asdf", "%6s", "asdf"); + verify(" asdf", "%+6s", "asdf"); + verify("asdf ", "%-6s", "asdf"); +} +END_TEST + +START_TEST(test_printf_err) +{ + errno = EINVAL; + verify((char*)strerror(errno), "%m"); +} +END_TEST + +START_TEST(test_printf_unsigned) +{ + verify("1 23 456", "%u %lu %llu", 1, (u_long)23, (u_int64_t)456); + verify("65535 255", "%hu %hhu", 0x1ffff, 0x1ff); + verify("123456789", "%zu", (size_t)123456789); + verify(" 12", "%5u", 12); + verify("12 ", "%-5u", 12); + verify("0012", "%04u", 12); + verify("0012", "%.4u", 12); +} +END_TEST + +START_TEST(test_printf_signed) +{ + verify("-1 -23 -456", "%d %ld %lld", -1, (long)-23, (int64_t)-456); + verify("-1 -1", "%hd %hhd", 0x1ffff, 0x1ff); + verify("123456789", "%zd", (ssize_t)123456789); + verify(" -12", "%5d", -12); + verify("-12 ", "%-5d", -12); + verify("-012", "%04d", -12); + verify("-0012", "%.4d", -12); +} +END_TEST + +START_TEST(test_printf_hex) +{ + verify("1 23 456", "%x %lx %llx", 1, (u_long)0x23, (u_int64_t)0x456); + verify("12abcdef 12ABCDEF", "%x %X", 0x12ABCDEF, 0x12ABCDEF); + verify("ffff ff", "%hx %hhx", 0x1ffff, 0x1ff); + verify("23456789", "%zx", (size_t)0x23456789); + verify(" ab", "%5x", 0xab); + verify("ab ", "%-5x", 0xab); + verify("00ab", "%04x", 0xab); + verify("00ab", "%.4x", 0xab); +} +END_TEST + +START_TEST(test_printf_float) +{ + verify("0.000000", "%f", 0.0); + verify("1.000000", "%f", 1.0); + verify("12345.1", "%.1f", 12345.123); + verify("1", "%.0f", 1.0); + verify("1.3", "%.1f", 1.346789); + verify("1.23", "%.2f", 1.23456789); + verify("1.123", "%.3f", 1.123456789); + verify("1.0123", "%.4f", 1.0123456789); + + verify("-1.000000", "%f", -1.0); + verify("-12345.1", "%.1f", -12345.123); + verify("-1", "%.0f", -1.0); + verify("-1.3", "%.1f", -1.3456789); + verify("-1.23", "%.2f", -1.23456789); + verify("-1.123", "%.3f", -1.123456789); + verify("-1.0123", "%.4f", -1.0123456789); + + verify(" 1.2", "%5.1f", 1.234); + verify("001.2", "%05.1f", 1.234); + verify("1.2 ", "%-5.1f", 1.234); + + verify("12346", "%.0f", 12345.6789); + verify("2", "%.0f", 1.5); + verify("1", "%.0f", 1.49); + verify("1.2", "%.1f", 1.151); + verify("1.1", "%.1f", 1.149); + verify("1.13", "%.2f", 1.1251); + verify("1.12", "%.2f", 1.1249); + verify("1.124", "%.3f", 1.12351); + verify("1.123", "%.3f", 1.12349); + + verify("-12346", "%.0f", -12345.6789); + verify("-2", "%.0f", -1.51); + verify("-1", "%.0f", -1.49); + verify("-1.2", "%.1f", -1.151); + verify("-1.1", "%.1f", -1.149); + verify("-1.13", "%.2f", -1.1251); + verify("-1.12", "%.2f", -1.1249); + verify("-1.124", "%.3f", -1.12351); + verify("-1.123", "%.3f", -1.12349); + +#ifdef NAN + verify("nan", "%.3f", NAN); + verify(" nan", "%5.3f", NAN); + verify("NAN", "%.3F", NAN); + verify("NAN ", "%-5.3F", NAN); +#endif +#ifdef INFINITY + verify("inf", "%.3f", INFINITY); + verify("-inf", "%.4f", -INFINITY); + verify("INF", "%.3F", INFINITY); + verify("-INF", "%.4F", -INFINITY); +#endif +} +END_TEST + +Suite *printf_suite_create() +{ + Suite *s; + TCase *tc; + + s = suite_create("printf"); + + tc = tcase_create("strings"); + tcase_add_test(tc, test_printf_strings); + suite_add_tcase(s, tc); + + tc = tcase_create("err"); + tcase_add_test(tc, test_printf_err); + suite_add_tcase(s, tc); + + tc = tcase_create("unsiged"); + tcase_add_test(tc, test_printf_unsigned); + suite_add_tcase(s, tc); + + tc = tcase_create("siged"); + tcase_add_test(tc, test_printf_signed); + suite_add_tcase(s, tc); + + tc = tcase_create("hex"); + tcase_add_test(tc, test_printf_hex); + suite_add_tcase(s, tc); + + tc = tcase_create("float"); + tcase_add_test(tc, test_printf_float); + suite_add_tcase(s, tc); + + return s; +} |