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_LICENSE("Dual MIT/GPL");
50