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lib: tests: Add a test for sbi_bitmap

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Add test suite covering all of the functions from lib/sbi/sbi_bitmap.c:
__bitmap_and, __bitmap_or and __bitmap_xor.

Signed-off-by: Ivan Orlov <ivan.orlov0322@gmail.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
This commit is contained in:
Ivan Orlov
2024-03-04 21:45:50 +00:00
committed by Anup Patel
parent 874fcefdf5
commit e5f53fdea3
2 changed files with 105 additions and 0 deletions
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3
lib/sbi/objects.mk
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@@ -14,6 +14,9 @@ libsbi-objs-y += riscv_locks.o
libsbi-objs-$(CONFIG_SBIUNIT) += sbi_unit_test.o
libsbi-objs-$(CONFIG_SBIUNIT) += sbi_unit_tests.o
libsbi-objs-$(CONFIG_SBIUNIT) += sbi_bitmap_test.o
carray-sbi_unit_tests-$(CONFIG_SBIUNIT) += bitmap_test_suite
libsbi-objs-y += sbi_ecall.o
libsbi-objs-y += sbi_ecall_exts.o

102
lib/sbi/sbi_bitmap_test.c Normal file
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@@ -0,0 +1,102 @@
/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Author: Ivan Orlov <ivan.orlov0322@gmail.com>
*/
#include <sbi/sbi_bitmap.h>
#include <sbi/sbi_unit_test.h>
#define DATA_SIZE sizeof(data_zero)
#define DATA_BIT_SIZE (DATA_SIZE * 8)
static unsigned long data_a[] = { 0xDEADBEEF, 0x00BAB10C, 0x1BADB002, 0xABADBABE };
static unsigned long data_b[] = { 0xC00010FF, 0x00BAB10C, 0xBAAAAAAD, 0xBADDCAFE };
static unsigned long data_zero[] = { 0, 0, 0, 0 };
static void bitmap_and_test(struct sbiunit_test_case *test)
{
unsigned long res[DATA_SIZE];
unsigned long a_and_b[] = { data_a[0] & data_b[0], data_a[1] & data_b[1],
data_a[2] & data_b[2], data_a[3] & data_b[3] };
__bitmap_and(res, data_a, data_b, DATA_BIT_SIZE);
SBIUNIT_EXPECT_MEMEQ(test, res, a_and_b, DATA_SIZE);
/* a & a = a */
__bitmap_and(res, data_a, data_a, DATA_BIT_SIZE);
SBIUNIT_ASSERT_MEMEQ(test, res, data_a, DATA_SIZE);
/* a & 0 = 0 */
__bitmap_and(res, data_a, data_zero, DATA_BIT_SIZE);
SBIUNIT_EXPECT_MEMEQ(test, res, data_zero, DATA_SIZE);
/* 0 & 0 = 0 */
__bitmap_and(res, data_zero, data_zero, DATA_BIT_SIZE);
SBIUNIT_EXPECT_MEMEQ(test, res, data_zero, DATA_SIZE);
sbi_memcpy(res, data_zero, DATA_SIZE);
/* Cover zero 'bits' argument */
__bitmap_and(res, data_a, data_b, 0);
SBIUNIT_EXPECT_MEMEQ(test, res, data_zero, DATA_SIZE);
}
static void bitmap_or_test(struct sbiunit_test_case *test)
{
unsigned long res[DATA_SIZE];
unsigned long a_or_b[] = { data_a[0] | data_b[0], data_a[1] | data_b[1],
data_a[2] | data_b[2], data_a[3] | data_b[3] };
__bitmap_or(res, data_a, data_b, DATA_BIT_SIZE);
SBIUNIT_EXPECT_MEMEQ(test, res, a_or_b, DATA_SIZE);
/* a | a = a */
__bitmap_or(res, data_a, data_a, DATA_BIT_SIZE);
SBIUNIT_EXPECT_MEMEQ(test, res, data_a, DATA_SIZE);
/* a | 0 = a */
__bitmap_or(res, data_a, data_zero, DATA_BIT_SIZE);
SBIUNIT_EXPECT_MEMEQ(test, res, data_a, DATA_SIZE);
/* 0 | 0 = 0 */
__bitmap_or(res, data_zero, data_zero, DATA_BIT_SIZE);
SBIUNIT_EXPECT_MEMEQ(test, res, data_zero, DATA_SIZE);
sbi_memcpy(res, data_zero, DATA_SIZE);
__bitmap_or(res, data_a, data_b, 0);
SBIUNIT_EXPECT_MEMEQ(test, res, data_zero, DATA_SIZE);
}
static void bitmap_xor_test(struct sbiunit_test_case *test)
{
unsigned long res[DATA_SIZE];
unsigned long a_xor_b[] = { data_a[0] ^ data_b[0], data_a[1] ^ data_b[1],
data_a[2] ^ data_b[2], data_a[3] ^ data_b[3] };
__bitmap_xor(res, data_a, data_b, DATA_BIT_SIZE);
SBIUNIT_EXPECT_MEMEQ(test, res, a_xor_b, DATA_SIZE);
/* a ^ 0 = a */
__bitmap_xor(res, data_a, data_zero, DATA_BIT_SIZE);
SBIUNIT_EXPECT_MEMEQ(test, res, data_a, DATA_SIZE);
/* a ^ a = 0 */
__bitmap_xor(res, data_a, data_a, DATA_BIT_SIZE);
SBIUNIT_EXPECT_MEMEQ(test, res, data_zero, DATA_SIZE);
/* 0 ^ 0 = 0 */
__bitmap_xor(res, data_zero, data_zero, DATA_BIT_SIZE);
SBIUNIT_EXPECT_MEMEQ(test, res, data_zero, DATA_SIZE);
sbi_memcpy(res, data_zero, DATA_SIZE);
__bitmap_xor(res, data_a, data_b, 0);
SBIUNIT_EXPECT_MEMEQ(test, res, data_zero, DATA_SIZE);
}
static struct sbiunit_test_case bitmap_test_cases[] = {
SBIUNIT_TEST_CASE(bitmap_and_test),
SBIUNIT_TEST_CASE(bitmap_or_test),
SBIUNIT_TEST_CASE(bitmap_xor_test),
SBIUNIT_END_CASE,
};
SBIUNIT_TEST_SUITE(bitmap_test_suite, bitmap_test_cases);