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 
10 enum unsigned_enum {
11 	constant_a = 3,
12 };
13 
14 enum signed_enum {
15 	constant_b = -1,
16 	constant_c = 2,
17 };
18 
is_signed_type_test(struct kunit * test)19 static 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 
37 static struct kunit_case is_signed_type_test_cases[] = {
38 	KUNIT_CASE(is_signed_type_test),
39 	{}
40 };
41 
42 static struct kunit_suite is_signed_type_test_suite = {
43 	.name = "is_signed_type",
44 	.test_cases = is_signed_type_test_cases,
45 };
46 
47 kunit_test_suite(is_signed_type_test_suite);
48 
49 MODULE_DESCRIPTION("is_signed_type() KUnit test suite");
50 MODULE_LICENSE("Dual MIT/GPL");
51