is_signed_type_kunit.c

 1// SPDX-License-Identifier: GPL-2.0 OR MIT
 2/*
 3 *	./tools/testing/kunit/kunit.py run is_signed_type [--raw_output]
 4 */
 5#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 6
 7#include <kunit/test.h>
 8#include <linux/compiler.h>
 9
10enum unsigned_enum {
11	constant_a = 3,
12};
13
14enum signed_enum {
15	constant_b = -1,
16	constant_c = 2,
17};
18
19static void is_signed_type_test(struct kunit *test)
20{
21	KUNIT_EXPECT_EQ(test, is_signed_type(bool), false);
22	KUNIT_EXPECT_EQ(test, is_signed_type(signed char), true);
23	KUNIT_EXPECT_EQ(test, is_signed_type(unsigned char), false);
24	KUNIT_EXPECT_EQ(test, is_signed_type(char), false);
25	KUNIT_EXPECT_EQ(test, is_signed_type(int), true);
26	KUNIT_EXPECT_EQ(test, is_signed_type(unsigned int), false);
27	KUNIT_EXPECT_EQ(test, is_signed_type(long), true);
28	KUNIT_EXPECT_EQ(test, is_signed_type(unsigned long), false);
29	KUNIT_EXPECT_EQ(test, is_signed_type(long long), true);
30	KUNIT_EXPECT_EQ(test, is_signed_type(unsigned long long), false);
31	KUNIT_EXPECT_EQ(test, is_signed_type(enum unsigned_enum), false);
32	KUNIT_EXPECT_EQ(test, is_signed_type(enum signed_enum), true);
33	KUNIT_EXPECT_EQ(test, is_signed_type(void *), false);
34	KUNIT_EXPECT_EQ(test, is_signed_type(const char *), false);
35}
36
37static struct kunit_case is_signed_type_test_cases[] = {
38	KUNIT_CASE(is_signed_type_test),
39	{}
40};
41
42static struct kunit_suite is_signed_type_test_suite = {
43	.name = "is_signed_type",
44	.test_cases = is_signed_type_test_cases,
45};
46
47kunit_test_suite(is_signed_type_test_suite);
48
49MODULE_DESCRIPTION("is_signed_type() KUnit test suite");
50MODULE_LICENSE("Dual MIT/GPL");