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// SPDX-License-Identifier: GPL-2.0-only OR MIT
/* Copyright (c) 2025 Imagination Technologies Ltd. */
#include "pvr_device.h"
#include <linux/errno.h>
#include <linux/stddef.h>
#include <linux/string.h>
#include <linux/types.h>
#include <kunit/test.h>
#include <kunit/visibility.h>
static void decode_gpuid_string(struct kunit *test)
{
const struct pvr_gpu_id bad_gpuid = { 0xdead, 0xbeef, 0xcafe, 0xface };
const u64 packed_bad_gpuid = pvr_gpu_id_to_packed_bvnc(&bad_gpuid);
#define GPUID_TEST_CASE(str_, err_, value_) \
do { \
struct pvr_gpu_id _gpuid_out = bad_gpuid; \
int _err; \
_err = pvr_gpuid_decode_string(NULL, str_, &_gpuid_out); \
KUNIT_EXPECT_EQ(test, _err, err_); \
KUNIT_EXPECT_EQ(test, \
pvr_gpu_id_to_packed_bvnc(&_gpuid_out), \
value_); \
} while (0)
#define GPUID_TEST_CASE_OK(str_, b_, v_, n_, c_) \
GPUID_TEST_CASE(str_, 0, PVR_PACKED_BVNC(b_, v_, n_, c_))
#define GPUID_TEST_CASE_INVAL(str_) \
GPUID_TEST_CASE(str_, -EINVAL, packed_bad_gpuid)
GPUID_TEST_CASE_OK("12.34.56.78", 12, 34, 56, 78);
GPUID_TEST_CASE_OK("0.0.0.0", 0, 0, 0, 0);
GPUID_TEST_CASE_INVAL("");
GPUID_TEST_CASE_INVAL("42.foobar-invalid.gpuid.bvnc");
/* String longer than PVR_GPUID_STRING_MAX_LENGTH. */
GPUID_TEST_CASE_INVAL("12.34.56.789012345678901234567890123456");
/* Single value overflowing u16. */
GPUID_TEST_CASE_INVAL("12.34.56.999999");
/* Wrong number of parts and/or dots. */
GPUID_TEST_CASE_INVAL("12.34.56.78.90");
GPUID_TEST_CASE_INVAL("12.34.56..78");
GPUID_TEST_CASE_INVAL("12.34..56");
GPUID_TEST_CASE_INVAL("12.34.56");
#undef GPUID_TEST_CASE_INVAL
#undef GPUID_TEST_CASE_OK
#undef GPUID_TEST_CASE
}
static struct kunit_case pvr_tests_cases[] = {
KUNIT_CASE(decode_gpuid_string),
{},
};
static struct kunit_suite pvr_tests_suite = {
.name = "pvr_tests",
.test_cases = pvr_tests_cases,
};
kunit_test_suite(pvr_tests_suite);
MODULE_AUTHOR("Imagination Technologies Ltd.");
MODULE_LICENSE("Dual MIT/GPL");
MODULE_DESCRIPTION("pvr kunit tests");
MODULE_IMPORT_NS("EXPORTED_FOR_KUNIT_TESTING");
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