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libvirt/tests/virbitmaptest.c

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/*
* Copyright (C) 2013 Red Hat, Inc.
* Copyright (C) 2012 Fujitsu.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#include <config.h>
#include "testutils.h"
#include "virbitmap.h"
static int test1(const void *data ATTRIBUTE_UNUSED)
{
virBitmapPtr bitmap;
int size;
int bit;
bool result;
int ret = -1;
size = 1024;
bit = 100;
if (!(bitmap = virBitmapNew(size)))
goto error;
if (virBitmapSetBit(bitmap, bit) < 0)
goto error;
if (virBitmapGetBit(bitmap, bit, &result) < 0)
goto error;
if (!result)
goto error;
if (virBitmapGetBit(bitmap, bit + 1, &result) < 0)
goto error;
if (result)
goto error;
ret = 0;
error:
virBitmapFree(bitmap);
return ret;
}
static int
testBit(virBitmapPtr bitmap,
unsigned int start,
unsigned int end,
bool expected)
{
int i;
bool result;
for (i = start; i <= end; i++) {
if (virBitmapGetBit(bitmap, i, &result) < 0)
return -1;
if (result == expected)
return 0;
}
return -1;
}
static int test2(const void *data ATTRIBUTE_UNUSED)
{
const char *bitsString1 = "1-32,50,88-99,1021-1023";
char *bitsString2 = NULL;
virBitmapPtr bitmap = NULL;
int ret = -1;
int size = 1025;
if (virBitmapParse(bitsString1, 0, &bitmap, size) < 0)
goto error;
if (testBit(bitmap, 1, 32, true) < 0)
goto error;
if (testBit(bitmap, 50, 50, true) < 0)
goto error;
if (testBit(bitmap, 88, 99, true) < 0)
goto error;
if (testBit(bitmap, 1021, 1023, true) < 0)
goto error;
if (testBit(bitmap, 0, 0, false) < 0)
goto error;
if (testBit(bitmap, 33, 49, false) < 0)
goto error;
if (testBit(bitmap, 51, 87, false) < 0)
goto error;
if (testBit(bitmap, 100, 1020, false) < 0)
goto error;
if (virBitmapCountBits(bitmap) != 48)
goto error;
if (!(bitsString2 = virBitmapFormat(bitmap)))
goto error;
if (strcmp(bitsString1, bitsString2))
goto error;
virBitmapSetAll(bitmap);
if (testBit(bitmap, 0, size - 1, true) < 0)
goto error;
if (virBitmapCountBits(bitmap) != size)
goto error;
if (!virBitmapIsAllSet(bitmap))
goto error;
virBitmapClearAll(bitmap);
if (testBit(bitmap, 0, size - 1, false) < 0)
goto error;
if (virBitmapCountBits(bitmap) != 0)
goto error;
ret = 0;
error:
virBitmapFree(bitmap);
VIR_FREE(bitsString2);
return ret;
}
static int test3(const void *data ATTRIBUTE_UNUSED)
{
virBitmapPtr bitmap = NULL;
int ret = -1;
int size = 5;
int i;
if ((bitmap = virBitmapNew(size)) == NULL)
goto error;
for (i = 0; i < size; i++)
ignore_value(virBitmapSetBit(bitmap, i));
if (!virBitmapIsAllSet(bitmap))
goto error;
ret = 0;
error:
virBitmapFree(bitmap);
return ret;
}
/* test for virBitmapNextSetBit, virBitmapNextClearBit */
static int test4(const void *data ATTRIBUTE_UNUSED)
{
const char *bitsString = "0, 2-4, 6-10, 12, 14-18, 20, 22, 25";
int size = 40;
int bitsPos[] = {
0, 2, 3, 4, 6, 7, 8, 9, 10, 12,
14, 15, 16, 17, 18, 20, 22, 25
};
int bitsPosInv[] = {
1, 5, 11, 13, 19, 21, 23, 24, 26, 27,
28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39
};
virBitmapPtr bitmap = NULL;
int i, j;
if (ARRAY_CARDINALITY(bitsPos) + ARRAY_CARDINALITY(bitsPosInv) != size)
goto error;
/* 1. zero set */
bitmap = virBitmapNew(size);
if (!bitmap)
goto error;
if (virBitmapNextSetBit(bitmap, -1) != -1)
goto error;
for (i = 0; i < size; i++) {
if (virBitmapNextClearBit(bitmap, i - 1) != i)
goto error;
}
if (virBitmapNextClearBit(bitmap, i) != -1)
goto error;
virBitmapFree(bitmap);
bitmap = NULL;
/* 2. partial set */
if (virBitmapParse(bitsString, 0, &bitmap, size) < 0)
goto error;
if (!bitmap)
goto error;
j = 0;
i = -1;
while (j < ARRAY_CARDINALITY(bitsPos)) {
i = virBitmapNextSetBit(bitmap, i);
if (i != bitsPos[j++])
goto error;
}
if (virBitmapNextSetBit(bitmap, i) != -1)
goto error;
j = 0;
i = -1;
while (j < ARRAY_CARDINALITY(bitsPosInv)) {
i = virBitmapNextClearBit(bitmap, i);
if (i != bitsPosInv[j++])
goto error;
}
if (virBitmapNextClearBit(bitmap, i) != -1)
goto error;
/* 3. full set */
virBitmapSetAll(bitmap);
for (i = 0; i < size; i++) {
if (virBitmapNextSetBit(bitmap, i - 1) != i)
goto error;
}
if (virBitmapNextSetBit(bitmap, i) != -1)
goto error;
if (virBitmapNextClearBit(bitmap, -1) != -1)
goto error;
virBitmapFree(bitmap);
return 0;
error:
virBitmapFree(bitmap);
return -1;
}
/* test for virBitmapNewData/ToData */
static int test5(const void *v ATTRIBUTE_UNUSED)
{
char data[] = {0x01, 0x02, 0x00, 0x00, 0x04};
unsigned char *data2 = NULL;
int len2;
int bits[] = {0, 9, 34};
virBitmapPtr bitmap;
int i, j;
int ret = -1;
bitmap = virBitmapNewData(data, sizeof(data));
if (!bitmap)
goto error;
i = 0;
j = -1;
while (i < sizeof(bits)/sizeof(int) &&
(j = virBitmapNextSetBit(bitmap, j)) >= 0) {
if (j != bits[i++])
goto error;
}
if (virBitmapNextSetBit(bitmap, j) > 0)
goto error;
ignore_value(virBitmapSetBit(bitmap, 2));
ignore_value(virBitmapSetBit(bitmap, 15));
if (virBitmapToData(bitmap, &data2, &len2) < 0)
goto error;
if (len2 != sizeof(data) ||
data2[0] != 0x05 ||
data2[1] != 0x82 ||
data2[2] != 0x00 ||
data2[3] != 0x00 ||
data2[4] != 0x04)
goto error;
ret = 0;
error:
virBitmapFree(bitmap);
VIR_FREE(data2);
return ret;
}
/* test for virBitmapFormat */
static int test6(const void *v ATTRIBUTE_UNUSED)
{
virBitmapPtr bitmap = NULL;
char *str = NULL;
int size = 64;
int ret = -1;
bitmap = virBitmapNew(size);
if (!bitmap)
goto error;
str = virBitmapFormat(bitmap);
if (!str)
goto error;
if (!STREQ(str, ""))
goto error;
VIR_FREE(str);
ignore_value(virBitmapSetBit(bitmap, 0));
str = virBitmapFormat(bitmap);
if (!str)
goto error;
if (!STREQ(str, "0"))
goto error;
VIR_FREE(str);
ignore_value(virBitmapSetBit(bitmap, 4));
ignore_value(virBitmapSetBit(bitmap, 5));
str = virBitmapFormat(bitmap);
if (!str)
goto error;
if (!STREQ(str, "0,4-5"))
goto error;
VIR_FREE(str);
ignore_value(virBitmapSetBit(bitmap, 6));
str = virBitmapFormat(bitmap);
if (!str)
goto error;
if (!STREQ(str, "0,4-6"))
goto error;
VIR_FREE(str);
ignore_value(virBitmapSetBit(bitmap, 13));
ignore_value(virBitmapSetBit(bitmap, 14));
ignore_value(virBitmapSetBit(bitmap, 15));
ignore_value(virBitmapSetBit(bitmap, 16));
str = virBitmapFormat(bitmap);
if (!str)
goto error;
if (!STREQ(str, "0,4-6,13-16"))
goto error;
VIR_FREE(str);
ignore_value(virBitmapSetBit(bitmap, 62));
ignore_value(virBitmapSetBit(bitmap, 63));
str = virBitmapFormat(bitmap);
if (!str)
goto error;
if (!STREQ(str, "0,4-6,13-16,62-63"))
goto error;
ret = 0;
error:
virBitmapFree(bitmap);
VIR_FREE(str);
return ret;
}
static int test7(const void *v ATTRIBUTE_UNUSED)
{
virBitmapPtr bitmap;
size_t i;
size_t maxBit[] = {
1, 8, 31, 32, 63, 64, 95, 96, 127, 128, 159, 160
};
size_t nmaxBit = 12;
for (i = 0; i < nmaxBit; i++) {
bitmap = virBitmapNew(maxBit[i]);
if (!bitmap)
goto error;
if (virBitmapIsAllSet(bitmap))
goto error;
ignore_value(virBitmapSetBit(bitmap, 1));
if (virBitmapIsAllSet(bitmap))
goto error;
virBitmapSetAll(bitmap);
if (!virBitmapIsAllSet(bitmap))
goto error;
virBitmapFree(bitmap);
}
return 0;
error:
virBitmapFree(bitmap);
return -1;
}
static int
mymain(void)
{
int ret = 0;
if (virtTestRun("test1", 1, test1, NULL) < 0)
ret = -1;
if (virtTestRun("test2", 1, test2, NULL) < 0)
ret = -1;
if (virtTestRun("test3", 1, test3, NULL) < 0)
ret = -1;
if (virtTestRun("test4", 1, test4, NULL) < 0)
ret = -1;
if (virtTestRun("test5", 1, test5, NULL) < 0)
ret = -1;
if (virtTestRun("test6", 1, test6, NULL) < 0)
ret = -1;
if (virtTestRun("test7", 1, test7, NULL) < 0)
ret = -1;
return ret;
}
VIRT_TEST_MAIN(mymain)
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