1 // SPDX-License-Identifier: GPL-2.0
12 #define foo	X, Y, Z, Q  in call_args_example()  macro
13 #define bar	COUNT_ARGS(foo)  in call_args_example()  macro
14 #define buz	CALL_ARGS(COUNT_ARGS, foo)  in call_args_example()
16 	KUNIT_EXPECT_EQ(test, bar, 1);  in call_args_example()
19 #undef foo  in call_args_example()
20 #undef bar  in call_args_example()
26 #define foo	X, Y, Z, Q  in drop_first_arg_example()  macro
27 #define bar	CALL_ARGS(COUNT_ARGS, DROP_FIRST_ARG(foo))  in drop_first_arg_example()  macro
29 	KUNIT_EXPECT_EQ(test, bar, 3);  in drop_first_arg_example()
31 #undef foo  in drop_first_arg_example()
32 #undef bar  in drop_first_arg_example()
39 #define foo	X, Y, Z, Q  in first_arg_example()  macro
40 #define bar	FIRST_ARG(foo)  in first_arg_example()  macro
42 	KUNIT_EXPECT_EQ(test, bar, X);  in first_arg_example()
43 	KUNIT_EXPECT_STREQ(test, __stringify(bar), "X");  in first_arg_example()
45 #undef foo  in first_arg_example()
46 #undef bar  in first_arg_example()
53 #define foo	X, Y, Z, Q  in last_arg_example()  macro
54 #define bar	LAST_ARG(foo)  in last_arg_example()  macro
56 	KUNIT_EXPECT_EQ(test, bar, Q);  in last_arg_example()
57 	KUNIT_EXPECT_STREQ(test, __stringify(bar), "Q");  in last_arg_example()
59 #undef foo  in last_arg_example()
60 #undef bar  in last_arg_example()
67 #define foo	X, Y, Z, Q  in pick_arg_example()  macro
68 #define bar	PICK_ARG(2, foo)  in pick_arg_example()  macro
69 #define buz	PICK_ARG3(foo)  in pick_arg_example()
71 	KUNIT_EXPECT_EQ(test, bar, Y);  in pick_arg_example()
72 	KUNIT_EXPECT_STREQ(test, __stringify(bar), "Y");  in pick_arg_example()
76 #undef foo  in pick_arg_example()
77 #undef bar  in pick_arg_example()
83 #define foo(f)	f(X) f(Y) f(Z) f(Q)  in sep_comma_example()  macro
84 #define bar	DROP_FIRST_ARG(foo(ARGS_SEP_COMMA __stringify))  in sep_comma_example()  macro
85 #define buz	CALL_ARGS(COUNT_ARGS, DROP_FIRST_ARG(foo(ARGS_SEP_COMMA)))  in sep_comma_example()
87 	static const char * const a[] = { bar };  in sep_comma_example()
96 #undef foo  in sep_comma_example()
97 #undef bar  in sep_comma_example()
103 #define MAX_ARGS	-1, -2, -3, -4, -5, -6, -7, -8, -9, -10, -11, -12
146 	int Y = -2, Z = -3, Q = -4;  in drop_first_arg_test()
149 	KUNIT_EXPECT_EQ(test, DROP_FIRST_ARG(0, -1), -1);  in drop_first_arg_test()
150 	KUNIT_EXPECT_EQ(test, DROP_FIRST_ARG(DROP_FIRST_ARG(0, -1, -2)), -2);  in drop_first_arg_test()
153 	KUNIT_EXPECT_EQ(test, DROP_FIRST_ARG(DROP_FIRST_ARG(DROP_FIRST_ARG(FOO_ARGS))), -4);  in drop_first_arg_test()
154 	KUNIT_EXPECT_EQ(test, a[0], -2);  in drop_first_arg_test()
155 	KUNIT_EXPECT_EQ(test, a[1], -3);  in drop_first_arg_test()
156 	KUNIT_EXPECT_EQ(test, a[2], -4);  in drop_first_arg_test()
158 #define foo	DROP_FIRST_ARG(FOO_ARGS)  in drop_first_arg_test()  macro
159 #define bar	DROP_FIRST_ARG(DROP_FIRST_ARG(FOO_ARGS))  in drop_first_arg_test()  macro
162 	KUNIT_EXPECT_EQ(test, CALL_ARGS(COUNT_ARGS, foo), 3);  in drop_first_arg_test()
163 	KUNIT_EXPECT_EQ(test, CALL_ARGS(COUNT_ARGS, bar), 2);  in drop_first_arg_test()
167 #undef foo  in drop_first_arg_test()
168 #undef bar  in drop_first_arg_test()
174 	int X = -1;  in first_arg_test()
177 	KUNIT_EXPECT_EQ(test, FIRST_ARG(-1, -2), -1);  in first_arg_test()
180 	KUNIT_EXPECT_EQ(test, FIRST_ARG(FOO_ARGS), -1);  in first_arg_test()
181 	KUNIT_EXPECT_EQ(test, a[0], -1);  in first_arg_test()
187 	int Q = -4;  in last_arg_test()
190 	KUNIT_EXPECT_EQ(test, LAST_ARG(-1, -2), -2);  in last_arg_test()
193 	KUNIT_EXPECT_EQ(test, LAST_ARG(FOO_ARGS), -4);  in last_arg_test()
194 	KUNIT_EXPECT_EQ(test, a[0], -4);  in last_arg_test()
197 	KUNIT_EXPECT_EQ(test, LAST_ARG(MAX_ARGS), -12);  in last_arg_test()
198 	KUNIT_EXPECT_STREQ(test, __stringify(LAST_ARG(MAX_ARGS)), "-12");  in last_arg_test()