xref: /openbsd-src/regress/usr.bin/ssh/unittests/conversion/tests.c (revision a8c975d25b8973125837f3cd4c63b4a611f5c5f5)

/* 	$OpenBSD: tests.c,v 1.4 2021/12/14 21:25:27 deraadt Exp $ */
/*
 * Regress test for conversions
 *
 * Placed in the public domain
 */

#include <sys/types.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <limits.h>
#include <string.h>

#include "test_helper.h"

#include "misc.h"

void
tests(void)
{
	char buf[1024];

	TEST_START("conversion_convtime");
	ASSERT_INT_EQ(convtime("0"), 0);
	ASSERT_INT_EQ(convtime("1"), 1);
	ASSERT_INT_EQ(convtime("1S"), 1);
	/* from the examples in the comment above the function */
	ASSERT_INT_EQ(convtime("90m"), 5400);
	ASSERT_INT_EQ(convtime("1h30m"), 5400);
	ASSERT_INT_EQ(convtime("2d"), 172800);
	ASSERT_INT_EQ(convtime("1w"), 604800);

	/* negative time is not allowed */
	ASSERT_INT_EQ(convtime("-7"), -1);
	ASSERT_INT_EQ(convtime("-9d"), -1);

	/* overflow */
	snprintf(buf, sizeof buf, "%llu", (unsigned long long)INT_MAX);
	ASSERT_INT_EQ(convtime(buf), INT_MAX);
	snprintf(buf, sizeof buf, "%llu", (unsigned long long)INT_MAX + 1);
	ASSERT_INT_EQ(convtime(buf), -1);

	/* overflow with multiplier */
	snprintf(buf, sizeof buf, "%lluM", (unsigned long long)INT_MAX/60 + 1);
	ASSERT_INT_EQ(convtime(buf), -1);
	ASSERT_INT_EQ(convtime("1000000000000000000000w"), -1);
	TEST_DONE();
}