mirror of
https://gitlab.com/qemu-project/qemu
synced 2024-11-05 20:35:44 +00:00
da668aa15b
The main tests directory still looks very crowded, and it's not clear which files are part of a unit tests and which belong to a different test subsystem. Let's clean up the mess and move the unit tests to a separate directory. Message-Id: <20210310063314.1049838-1-thuth@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
139 lines
5.5 KiB
C
139 lines
5.5 KiB
C
/*
|
|
* Test unsigned left and right shift
|
|
*
|
|
* This work is licensed under the terms of the GNU LGPL, version 2 or later.
|
|
* See the COPYING.LIB file in the top-level directory.
|
|
*
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "qemu/host-utils.h"
|
|
|
|
typedef struct {
|
|
uint64_t low;
|
|
uint64_t high;
|
|
uint64_t rlow;
|
|
uint64_t rhigh;
|
|
int32_t shift;
|
|
bool overflow;
|
|
} test_data;
|
|
|
|
static const test_data test_ltable[] = {
|
|
{ 0x4C7ULL, 0x0ULL, 0x00000000000004C7ULL,
|
|
0x0000000000000000ULL, 0, false },
|
|
{ 0x001ULL, 0x0ULL, 0x0000000000000002ULL,
|
|
0x0000000000000000ULL, 1, false },
|
|
{ 0x001ULL, 0x0ULL, 0x0000000000000004ULL,
|
|
0x0000000000000000ULL, 2, false },
|
|
{ 0x001ULL, 0x0ULL, 0x0000000000000010ULL,
|
|
0x0000000000000000ULL, 4, false },
|
|
{ 0x001ULL, 0x0ULL, 0x0000000000000100ULL,
|
|
0x0000000000000000ULL, 8, false },
|
|
{ 0x001ULL, 0x0ULL, 0x0000000000010000ULL,
|
|
0x0000000000000000ULL, 16, false },
|
|
{ 0x001ULL, 0x0ULL, 0x0000000080000000ULL,
|
|
0x0000000000000000ULL, 31, false },
|
|
{ 0x001ULL, 0x0ULL, 0x0000200000000000ULL,
|
|
0x0000000000000000ULL, 45, false },
|
|
{ 0x001ULL, 0x0ULL, 0x1000000000000000ULL,
|
|
0x0000000000000000ULL, 60, false },
|
|
{ 0x001ULL, 0x0ULL, 0x0000000000000000ULL,
|
|
0x0000000000000001ULL, 64, false },
|
|
{ 0x001ULL, 0x0ULL, 0x0000000000000000ULL,
|
|
0x0000000000010000ULL, 80, false },
|
|
{ 0x001ULL, 0x0ULL, 0x0000000000000000ULL,
|
|
0x8000000000000000ULL, 127, false },
|
|
{ 0x000ULL, 0x1ULL, 0x0000000000000000ULL,
|
|
0x0000000000000000ULL, 64, true },
|
|
{ 0x008ULL, 0x0ULL, 0x0000000000000000ULL,
|
|
0x0000000000000008ULL, 64, false },
|
|
{ 0x008ULL, 0x0ULL, 0x0000000000000000ULL,
|
|
0x8000000000000000ULL, 124, false },
|
|
{ 0x001ULL, 0x0ULL, 0x0000000000000000ULL,
|
|
0x4000000000000000ULL, 126, false },
|
|
{ 0x001ULL, 0x0ULL, 0x0000000000000000ULL,
|
|
0x8000000000000000ULL, 127, false },
|
|
{ 0x001ULL, 0x0ULL, 0x0000000000000001ULL,
|
|
0x0000000000000000ULL, 128, false },
|
|
{ 0x000ULL, 0x0ULL, 0x0000000000000000ULL,
|
|
0x0000000000000000ULL, 200, false },
|
|
{ 0x001ULL, 0x0ULL, 0x0000000000000000ULL,
|
|
0x0000000000000100ULL, 200, false },
|
|
{ 0x001ULL, 0x0ULL, 0x0000000000000000ULL,
|
|
0x8000000000000000ULL, -1, false },
|
|
{ 0x001ULL, 0x0ULL, 0x0000000000000000ULL,
|
|
0x8000000000000000ULL, INT32_MAX, false },
|
|
{ 0x001ULL, 0x0ULL, 0x0000000000000000ULL,
|
|
0x4000000000000000ULL, -2, false },
|
|
{ 0x001ULL, 0x0ULL, 0x0000000000000000ULL,
|
|
0x4000000000000000ULL, INT32_MAX - 1, false },
|
|
{ 0x8888888888888888ULL, 0x9999999999999999ULL,
|
|
0x8000000000000000ULL, 0x9888888888888888ULL, 60, true },
|
|
{ 0x8888888888888888ULL, 0x9999999999999999ULL,
|
|
0x0000000000000000ULL, 0x8888888888888888ULL, 64, true },
|
|
};
|
|
|
|
static const test_data test_rtable[] = {
|
|
{ 0x00000000000004C7ULL, 0x0ULL, 0x00000000000004C7ULL, 0x0ULL, 0, false },
|
|
{ 0x0800000000000000ULL, 0x0ULL, 0x0400000000000000ULL, 0x0ULL, 1, false },
|
|
{ 0x0800000000000000ULL, 0x0ULL, 0x0200000000000000ULL, 0x0ULL, 2, false },
|
|
{ 0x0800000000000000ULL, 0x0ULL, 0x0008000000000000ULL, 0x0ULL, 8, false },
|
|
{ 0x0800000000000000ULL, 0x0ULL, 0x0000080000000000ULL, 0x0ULL, 16, false },
|
|
{ 0x0800000000000000ULL, 0x0ULL, 0x0000000008000000ULL, 0x0ULL, 32, false },
|
|
{ 0x8000000000000000ULL, 0x0ULL, 0x0000000000000001ULL, 0x0ULL, 63, false },
|
|
{ 0x8000000000000000ULL, 0x0ULL, 0x0000000000000000ULL, 0x0ULL, 64, false },
|
|
{ 0x0000000000000000ULL, 0x8000000000000000ULL,
|
|
0x0000000000000000ULL, 0x8000000000000000ULL, 128, false },
|
|
{ 0x0000000000000000ULL, 0x8000000000000000ULL,
|
|
0x0080000000000000ULL, 0x0000000000000000ULL, 200, false },
|
|
{ 0x0000000000000000ULL, 0x0000000000000000ULL,
|
|
0x0000000000000000ULL, 0x0000000000000000ULL, 200, false },
|
|
{ 0x0000000000000000ULL, 0x8000000000000000ULL,
|
|
0x0000000000000000ULL, 0x0000000000000080ULL, -200, false },
|
|
{ 0x8000000000000000ULL, 0x8000000000000000ULL,
|
|
0x0000000080000000ULL, 0x0000000080000000ULL, 32, false },
|
|
{ 0x0800000000000000ULL, 0x0800000000000000ULL,
|
|
0x0800000000000000ULL, 0x0000000000000000ULL, 64, false },
|
|
{ 0x0800000000000000ULL, 0x0800000000000000ULL,
|
|
0x0008000000000000ULL, 0x0000000000000000ULL, 72, false },
|
|
{ 0x8000000000000000ULL, 0x8000000000000000ULL,
|
|
0x0000000000000001ULL, 0x0000000000000000ULL, 127, false },
|
|
{ 0x0000000000000000ULL, 0x8000000000000000ULL,
|
|
0x0000000000000001ULL, 0x0000000000000000ULL, -1, false },
|
|
{ 0x0000000000000000ULL, 0x8000000000000000ULL,
|
|
0x0000000000000002ULL, 0x0000000000000000ULL, -2, false },
|
|
};
|
|
|
|
static void test_lshift(void)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(test_ltable); ++i) {
|
|
bool overflow = false;
|
|
test_data tmp = test_ltable[i];
|
|
ulshift(&tmp.low, &tmp.high, tmp.shift, &overflow);
|
|
g_assert_cmpuint(tmp.low, ==, tmp.rlow);
|
|
g_assert_cmpuint(tmp.high, ==, tmp.rhigh);
|
|
g_assert_cmpuint(tmp.overflow, ==, overflow);
|
|
}
|
|
}
|
|
|
|
static void test_rshift(void)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(test_rtable); ++i) {
|
|
test_data tmp = test_rtable[i];
|
|
urshift(&tmp.low, &tmp.high, tmp.shift);
|
|
g_assert_cmpuint(tmp.low, ==, tmp.rlow);
|
|
g_assert_cmpuint(tmp.high, ==, tmp.rhigh);
|
|
}
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
g_test_init(&argc, &argv, NULL);
|
|
g_test_add_func("/host-utils/test_lshift", test_lshift);
|
|
g_test_add_func("/host-utils/test_rshift", test_rshift);
|
|
return g_test_run();
|
|
}
|