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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright © 2024 Intel Corporation
*/
#include <kunit/test.h>
#include "xe_args.h"
static void call_args_example(struct kunit *test)
{
#define foo X, Y, Z, Q
#define bar COUNT_ARGS(foo)
#define buz CALL_ARGS(COUNT_ARGS, foo)
KUNIT_EXPECT_EQ(test, bar, 1);
KUNIT_EXPECT_EQ(test, buz, 4);
#undef foo
#undef bar
#undef buz
}
static void drop_first_arg_example(struct kunit *test)
{
#define foo X, Y, Z, Q
#define bar CALL_ARGS(COUNT_ARGS, DROP_FIRST_ARG(foo))
KUNIT_EXPECT_EQ(test, bar, 3);
#undef foo
#undef bar
}
static void first_arg_example(struct kunit *test)
{
int X = 1;
#define foo X, Y, Z, Q
#define bar FIRST_ARG(foo)
KUNIT_EXPECT_EQ(test, bar, X);
KUNIT_EXPECT_STREQ(test, __stringify(bar), "X");
#undef foo
#undef bar
}
static void last_arg_example(struct kunit *test)
{
int Q = 1;
#define foo X, Y, Z, Q
#define bar LAST_ARG(foo)
KUNIT_EXPECT_EQ(test, bar, Q);
KUNIT_EXPECT_STREQ(test, __stringify(bar), "Q");
#undef foo
#undef bar
}
static void pick_arg_example(struct kunit *test)
{
int Y = 1, Z = 2;
#define foo X, Y, Z, Q
#define bar PICK_ARG(2, foo)
#define buz PICK_ARG3(foo)
KUNIT_EXPECT_EQ(test, bar, Y);
KUNIT_EXPECT_STREQ(test, __stringify(bar), "Y");
KUNIT_EXPECT_EQ(test, buz, Z);
KUNIT_EXPECT_STREQ(test, __stringify(buz), "Z");
#undef foo
#undef bar
#undef buz
}
static void sep_comma_example(struct kunit *test)
{
#define foo(f) f(X) f(Y) f(Z) f(Q)
#define bar DROP_FIRST_ARG(foo(ARGS_SEP_COMMA __stringify))
#define buz CALL_ARGS(COUNT_ARGS, DROP_FIRST_ARG(foo(ARGS_SEP_COMMA)))
static const char * const a[] = { bar };
KUNIT_EXPECT_STREQ(test, a[0], "X");
KUNIT_EXPECT_STREQ(test, a[1], "Y");
KUNIT_EXPECT_STREQ(test, a[2], "Z");
KUNIT_EXPECT_STREQ(test, a[3], "Q");
KUNIT_EXPECT_EQ(test, buz, 4);
#undef foo
#undef bar
#undef buz
}
#define NO_ARGS
#define FOO_ARGS X, Y, Z, Q
#define MAX_ARGS -1, -2, -3, -4, -5, -6, -7, -8, -9, -10, -11, -12
static void count_args_test(struct kunit *test)
{
int count;
/* COUNT_ARGS() counts to 12 */
count = COUNT_ARGS();
KUNIT_EXPECT_EQ(test, count, 0);
count = COUNT_ARGS(1);
KUNIT_EXPECT_EQ(test, count, 1);
count = COUNT_ARGS(a, b, c, d, e);
KUNIT_EXPECT_EQ(test, count, 5);
count = COUNT_ARGS(a, b, c, d, e, f, g, h, i, j, k, l);
KUNIT_EXPECT_EQ(test, count, 12);
/* COUNT_ARGS() does not expand params */
count = COUNT_ARGS(NO_ARGS);
KUNIT_EXPECT_EQ(test, count, 1);
count = COUNT_ARGS(FOO_ARGS);
KUNIT_EXPECT_EQ(test, count, 1);
}
static void call_args_test(struct kunit *test)
{
int count;
count = CALL_ARGS(COUNT_ARGS, NO_ARGS);
KUNIT_EXPECT_EQ(test, count, 0);
KUNIT_EXPECT_EQ(test, CALL_ARGS(COUNT_ARGS, NO_ARGS), 0);
KUNIT_EXPECT_EQ(test, CALL_ARGS(COUNT_ARGS, FOO_ARGS), 4);
KUNIT_EXPECT_EQ(test, CALL_ARGS(COUNT_ARGS, FOO_ARGS, FOO_ARGS), 8);
KUNIT_EXPECT_EQ(test, CALL_ARGS(COUNT_ARGS, MAX_ARGS), 12);
}
static void drop_first_arg_test(struct kunit *test)
{
int Y = -2, Z = -3, Q = -4;
int a[] = { DROP_FIRST_ARG(FOO_ARGS) };
KUNIT_EXPECT_EQ(test, DROP_FIRST_ARG(0, -1), -1);
KUNIT_EXPECT_EQ(test, DROP_FIRST_ARG(DROP_FIRST_ARG(0, -1, -2)), -2);
KUNIT_EXPECT_EQ(test, CALL_ARGS(COUNT_ARGS, DROP_FIRST_ARG(FOO_ARGS)), 3);
KUNIT_EXPECT_EQ(test, DROP_FIRST_ARG(DROP_FIRST_ARG(DROP_FIRST_ARG(FOO_ARGS))), -4);
KUNIT_EXPECT_EQ(test, a[0], -2);
KUNIT_EXPECT_EQ(test, a[1], -3);
KUNIT_EXPECT_EQ(test, a[2], -4);
#define foo DROP_FIRST_ARG(FOO_ARGS)
#define bar DROP_FIRST_ARG(DROP_FIRST_ARG(FOO_ARGS))
#define buz DROP_FIRST_ARG(DROP_FIRST_ARG(DROP_FIRST_ARG(FOO_ARGS)))
KUNIT_EXPECT_EQ(test, CALL_ARGS(COUNT_ARGS, foo), 3);
KUNIT_EXPECT_EQ(test, CALL_ARGS(COUNT_ARGS, bar), 2);
KUNIT_EXPECT_EQ(test, CALL_ARGS(COUNT_ARGS, buz), 1);
KUNIT_EXPECT_STREQ(test, __stringify(buz), "Q");
#undef foo
#undef bar
#undef buz
}
static void first_arg_test(struct kunit *test)
{
int X = -1;
int a[] = { FIRST_ARG(FOO_ARGS) };
KUNIT_EXPECT_EQ(test, FIRST_ARG(-1, -2), -1);
KUNIT_EXPECT_EQ(test, CALL_ARGS(COUNT_ARGS, FIRST_ARG(FOO_ARGS)), 1);
KUNIT_EXPECT_EQ(test, FIRST_ARG(FOO_ARGS), -1);
KUNIT_EXPECT_EQ(test, a[0], -1);
KUNIT_EXPECT_STREQ(test, __stringify(FIRST_ARG(FOO_ARGS)), "X");
}
static void last_arg_test(struct kunit *test)
{
int Q = -4;
int a[] = { LAST_ARG(FOO_ARGS) };
KUNIT_EXPECT_EQ(test, LAST_ARG(-1, -2), -2);
KUNIT_EXPECT_EQ(test, CALL_ARGS(COUNT_ARGS, LAST_ARG(FOO_ARGS)), 1);
KUNIT_EXPECT_EQ(test, LAST_ARG(FOO_ARGS), -4);
KUNIT_EXPECT_EQ(test, a[0], -4);
KUNIT_EXPECT_STREQ(test, __stringify(LAST_ARG(FOO_ARGS)), "Q");
KUNIT_EXPECT_EQ(test, LAST_ARG(MAX_ARGS), -12);
KUNIT_EXPECT_STREQ(test, __stringify(LAST_ARG(MAX_ARGS)), "-12");
}
static struct kunit_case args_tests[] = {
KUNIT_CASE(count_args_test),
KUNIT_CASE(call_args_example),
KUNIT_CASE(call_args_test),
KUNIT_CASE(drop_first_arg_example),
KUNIT_CASE(drop_first_arg_test),
KUNIT_CASE(first_arg_example),
KUNIT_CASE(first_arg_test),
KUNIT_CASE(last_arg_example),
KUNIT_CASE(last_arg_test),
KUNIT_CASE(pick_arg_example),
KUNIT_CASE(sep_comma_example),
{}
};
static struct kunit_suite args_test_suite = {
.name = "args",
.test_cases = args_tests,
};
kunit_test_suite(args_test_suite);
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