229 lines
5.8 KiB
C
229 lines
5.8 KiB
C
/*
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* Copyright (C) 2013 Martin Willi
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* Copyright (C) 2013 revosec AG
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "test_suite.h"
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#include <errno.h>
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#include <math.h>
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#include <inttypes.h>
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static void verify(char *expected, char *format, ...)
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{
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char buf[128];
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va_list args;
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va_start(args, format);
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vsnprintf(buf, sizeof(buf), format, args);
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ck_assert_str_eq(expected, buf);
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va_end(args);
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#ifdef HAVE_FMEMOPEN
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{
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FILE *mem;
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mem = fmemopen(buf, sizeof(buf), "w");
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va_start(args, format);
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vfprintf(mem, format, args);
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va_end(args);
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fclose(mem);
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ck_assert_str_eq(expected, buf);
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}
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#endif /* HAVE_FMEMOPEN */
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}
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START_TEST(test_printf_null)
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{
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char buf[16];
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/* on FreeBSD "(null)" gets printed even when a precision of 0 is used.
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* because printing of "(null)" for NULL is not standardized we don't verify
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* the output and just make sure there is no crash */
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snprintf(buf, sizeof(buf), "%s", NULL);
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}
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END_TEST
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START_TEST(test_printf_strings)
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{
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verify("a bc def", "%s %s %s", "a", "bc", "def");
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verify("", "%.0s", "asdfg");
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verify("asd", "%.3s", "asdfg");
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verify("asdf", "%.*s", (int)4, "asdfg");
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verify(" asdf", "%6s", "asdf");
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verify(" asdf", "%+6s", "asdf");
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verify("asdf ", "%-6s", "asdf");
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}
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END_TEST
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START_TEST(test_printf_err)
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{
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errno = EINVAL;
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verify((char*)strerror(errno), "%m");
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}
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END_TEST
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START_TEST(test_printf_unsigned)
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{
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verify("1 23 456", "%u %lu %llu", 1, (u_long)23, (uint64_t)456);
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verify("65535 255", "%hu %hhu", 0x1ffff, 0x1ff);
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verify("123456789", "%zu", (size_t)123456789);
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verify(" 12", "%5u", 12);
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verify("12 ", "%-5u", 12);
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verify("0012", "%04u", 12);
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verify("0012", "%.4u", 12);
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}
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END_TEST
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START_TEST(test_printf_signed)
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{
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verify("-1 -23 -456", "%d %ld %lld", -1, (long)-23, (int64_t)-456);
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verify("-1 -1", "%hd %hhd", 0x1ffff, 0x1ff);
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verify("123456789", "%zd", (ssize_t)123456789);
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verify(" -12", "%5d", -12);
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verify("-12 ", "%-5d", -12);
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verify("-012", "%04d", -12);
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verify("-0012", "%.4d", -12);
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}
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END_TEST
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START_TEST(test_printf_hex)
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{
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verify("1 23 456", "%x %lx %llx", 1, (u_long)0x23, (uint64_t)0x456);
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verify("12abcdef 12ABCDEF", "%x %X", 0x12ABCDEF, 0x12ABCDEF);
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verify("ffff ff", "%hx %hhx", 0x1ffff, 0x1ff);
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verify("23456789", "%zx", (size_t)0x23456789);
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verify(" ab", "%5x", 0xab);
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verify("ab ", "%-5x", 0xab);
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verify("00ab", "%04x", 0xab);
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verify("00ab", "%.4x", 0xab);
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}
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END_TEST
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START_TEST(test_printf_float)
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{
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verify("0.000000", "%f", 0.0);
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verify("1.000000", "%f", 1.0);
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verify("12345.1", "%.1f", 12345.123);
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verify("1", "%.0f", 1.0);
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verify("1.3", "%.1f", 1.346789);
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verify("1.23", "%.2f", 1.23456789);
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verify("1.123", "%.3f", 1.123456789);
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verify("1.0123", "%.4f", 1.0123456789);
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verify("-1.000000", "%f", -1.0);
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verify("-12345.1", "%.1f", -12345.123);
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verify("-1", "%.0f", -1.0);
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verify("-1.3", "%.1f", -1.3456789);
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verify("-1.23", "%.2f", -1.23456789);
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verify("-1.123", "%.3f", -1.123456789);
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verify("-1.0123", "%.4f", -1.0123456789);
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verify(" 1.2", "%5.1f", 1.234);
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verify("001.2", "%05.1f", 1.234);
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verify("1.2 ", "%-5.1f", 1.234);
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verify("12346", "%.0f", 12345.6789);
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verify("2", "%.0f", 1.5);
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verify("1", "%.0f", 1.49);
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verify("1.2", "%.1f", 1.151);
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verify("1.1", "%.1f", 1.149);
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verify("1.13", "%.2f", 1.1251);
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verify("1.12", "%.2f", 1.1249);
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verify("1.124", "%.3f", 1.12351);
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verify("1.123", "%.3f", 1.12349);
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verify("-12346", "%.0f", -12345.6789);
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verify("-2", "%.0f", -1.51);
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verify("-1", "%.0f", -1.49);
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verify("-1.2", "%.1f", -1.151);
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verify("-1.1", "%.1f", -1.149);
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verify("-1.13", "%.2f", -1.1251);
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verify("-1.12", "%.2f", -1.1249);
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verify("-1.124", "%.3f", -1.12351);
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verify("-1.123", "%.3f", -1.12349);
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#ifdef NAN
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verify("nan", "%.3f", NAN);
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verify(" nan", "%5.3f", NAN);
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verify("NAN", "%.3F", NAN);
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verify("NAN ", "%-5.3F", NAN);
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#endif
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#ifdef INFINITY
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verify("inf", "%.3f", INFINITY);
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verify("-inf", "%.4f", -INFINITY);
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verify("INF", "%.3F", INFINITY);
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verify("-INF", "%.4F", -INFINITY);
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#endif
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}
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END_TEST
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START_TEST(test_printf_pri)
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{
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verify("255", "%" PRIu8, (uint8_t)0xFF);
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verify("65535", "%" PRIu16, (uint16_t)0xFFFF);
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verify("4294967295", "%" PRIu32, (uint32_t)0x1FFFFFFFFll);
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verify("18446744073709551615", "%" PRIu64, (uint64_t)0xFFFFFFFFFFFFFFFFll);
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verify("-1", "%" PRId8, (int8_t)-1);
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verify("-1", "%" PRId16, (int16_t)-1);
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verify("-1", "%" PRId32, (int32_t)-1);
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verify("-1", "%" PRId64, (int64_t)-1);
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verify("1", "%" PRIuMAX, (uintmax_t)1);
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verify("1", "%" PRIuPTR, (uintptr_t)1);
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verify("-1", "%" PRIdMAX, (intmax_t)-1);
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verify("-1", "%" PRIdPTR, (intptr_t)-1);
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}
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END_TEST
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Suite *printf_suite_create()
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{
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Suite *s;
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TCase *tc;
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s = suite_create("printf");
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tc = tcase_create("strings");
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tcase_add_test(tc, test_printf_null);
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tcase_add_test(tc, test_printf_strings);
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suite_add_tcase(s, tc);
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tc = tcase_create("err");
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tcase_add_test(tc, test_printf_err);
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suite_add_tcase(s, tc);
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tc = tcase_create("unsigned");
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tcase_add_test(tc, test_printf_unsigned);
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suite_add_tcase(s, tc);
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tc = tcase_create("siged");
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tcase_add_test(tc, test_printf_signed);
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suite_add_tcase(s, tc);
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tc = tcase_create("hex");
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tcase_add_test(tc, test_printf_hex);
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suite_add_tcase(s, tc);
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tc = tcase_create("float");
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tcase_add_test(tc, test_printf_float);
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suite_add_tcase(s, tc);
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tc = tcase_create("PRI*");
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tcase_add_test(tc, test_printf_pri);
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suite_add_tcase(s, tc);
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return s;
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}
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