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e88a08e80b
The function only reduces the size of the bitmap thus we can use the appropriate shrinking function which also does not have any return value. Since virBitmapShrink now does not return any value callers need to be fixed as well.
805 lines
18 KiB
C
805 lines
18 KiB
C
/*
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* virbitmaptest.c: Test the bitmap code
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*
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* Copyright (C) 2013 Red Hat, Inc.
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* Copyright (C) 2012 Fujitsu.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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*/
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#include <config.h>
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#include "testutils.h"
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#include "virbitmap.h"
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static int
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test1(const void *data ATTRIBUTE_UNUSED)
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{
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virBitmapPtr bitmap;
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int size;
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int bit;
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bool result;
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int ret = -1;
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size = 1024;
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bit = 100;
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if (!(bitmap = virBitmapNew(size)))
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goto error;
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if (virBitmapSetBit(bitmap, bit) < 0)
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goto error;
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if (virBitmapGetBit(bitmap, bit, &result) < 0)
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goto error;
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if (!result)
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goto error;
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if (virBitmapGetBit(bitmap, bit + 1, &result) < 0)
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goto error;
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if (result)
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goto error;
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ret = 0;
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error:
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virBitmapFree(bitmap);
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return ret;
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}
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static int
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testBit(virBitmapPtr bitmap,
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unsigned int start,
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unsigned int end,
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bool expected)
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{
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size_t i;
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bool result;
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for (i = start; i <= end; i++) {
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if (virBitmapGetBit(bitmap, i, &result) < 0)
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return -1;
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if (result != expected)
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return -1;
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}
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return 0;
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}
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static int
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test2(const void *data ATTRIBUTE_UNUSED)
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{
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const char *bitsString1 = "1-32,50,88-99,1021-1023";
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char *bitsString2 = NULL;
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virBitmapPtr bitmap = NULL;
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int ret = -1;
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int size = 1025;
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if (virBitmapParse(bitsString1, &bitmap, size) < 0)
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goto error;
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if (testBit(bitmap, 1, 32, true) < 0)
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goto error;
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if (testBit(bitmap, 50, 50, true) < 0)
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goto error;
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if (testBit(bitmap, 88, 99, true) < 0)
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goto error;
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if (testBit(bitmap, 1021, 1023, true) < 0)
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goto error;
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if (testBit(bitmap, 0, 0, false) < 0)
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goto error;
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if (testBit(bitmap, 33, 49, false) < 0)
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goto error;
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if (testBit(bitmap, 51, 87, false) < 0)
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goto error;
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if (testBit(bitmap, 100, 1020, false) < 0)
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goto error;
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if (virBitmapCountBits(bitmap) != 48)
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goto error;
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if (!(bitsString2 = virBitmapFormat(bitmap)))
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goto error;
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if (strcmp(bitsString1, bitsString2))
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goto error;
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virBitmapSetAll(bitmap);
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if (testBit(bitmap, 0, size - 1, true) < 0)
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goto error;
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if (virBitmapCountBits(bitmap) != size)
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goto error;
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if (!virBitmapIsAllSet(bitmap))
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goto error;
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virBitmapClearAll(bitmap);
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if (!virBitmapIsAllClear(bitmap))
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goto error;
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if (testBit(bitmap, 0, size - 1, false) < 0)
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goto error;
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if (virBitmapCountBits(bitmap) != 0)
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goto error;
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ret = 0;
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error:
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virBitmapFree(bitmap);
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VIR_FREE(bitsString2);
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return ret;
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}
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static int
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test3(const void *data ATTRIBUTE_UNUSED)
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{
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virBitmapPtr bitmap = NULL;
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int ret = -1;
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int size = 5;
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size_t i;
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if ((bitmap = virBitmapNew(size)) == NULL)
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goto error;
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for (i = 0; i < size; i++)
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ignore_value(virBitmapSetBit(bitmap, i));
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if (!virBitmapIsAllSet(bitmap))
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goto error;
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virBitmapClearAll(bitmap);
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if (!virBitmapIsAllClear(bitmap))
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goto error;
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ret = 0;
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error:
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virBitmapFree(bitmap);
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return ret;
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}
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/* test for virBitmapNextSetBit, virBitmapLastSetBit, virBitmapNextClearBit */
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static int
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test4(const void *data ATTRIBUTE_UNUSED)
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{
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const char *bitsString = "0, 2-4, 6-10, 12, 14-18, 20, 22, 25";
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int size = 40;
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int bitsPos[] = {
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0, 2, 3, 4, 6, 7, 8, 9, 10, 12,
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14, 15, 16, 17, 18, 20, 22, 25
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};
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int bitsPosInv[] = {
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1, 5, 11, 13, 19, 21, 23, 24, 26, 27,
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28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39
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};
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virBitmapPtr bitmap = NULL;
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ssize_t i, j;
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if (ARRAY_CARDINALITY(bitsPos) + ARRAY_CARDINALITY(bitsPosInv) != size)
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goto error;
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/* 0. empty set */
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if (!(bitmap = virBitmapNewEmpty()))
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goto error;
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if (virBitmapNextSetBit(bitmap, -1) != -1)
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goto error;
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if (virBitmapLastSetBit(bitmap) != -1)
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goto error;
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if (virBitmapNextClearBit(bitmap, -1) != -1)
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goto error;
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virBitmapFree(bitmap);
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bitmap = NULL;
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/* 1. zero set */
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bitmap = virBitmapNew(size);
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if (!bitmap)
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goto error;
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if (virBitmapNextSetBit(bitmap, -1) != -1)
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goto error;
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if (virBitmapLastSetBit(bitmap) != -1)
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goto error;
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for (i = 0; i < size; i++) {
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if (virBitmapNextClearBit(bitmap, i - 1) != i)
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goto error;
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}
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if (virBitmapNextClearBit(bitmap, i) != -1)
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goto error;
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if (!virBitmapIsAllClear(bitmap))
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goto error;
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virBitmapFree(bitmap);
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bitmap = NULL;
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/* 2. partial set */
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if (virBitmapParse(bitsString, &bitmap, size) < 0)
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goto error;
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if (!bitmap)
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goto error;
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j = 0;
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i = -1;
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while (j < ARRAY_CARDINALITY(bitsPos)) {
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i = virBitmapNextSetBit(bitmap, i);
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if (i != bitsPos[j++])
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goto error;
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}
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if (virBitmapNextSetBit(bitmap, i) != -1)
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goto error;
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j = sizeof(bitsPos)/sizeof(int) - 1;
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if (virBitmapLastSetBit(bitmap) != bitsPos[j])
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goto error;
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j = 0;
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i = -1;
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while (j < ARRAY_CARDINALITY(bitsPosInv)) {
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i = virBitmapNextClearBit(bitmap, i);
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if (i != bitsPosInv[j++])
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goto error;
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}
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if (virBitmapNextClearBit(bitmap, i) != -1)
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goto error;
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/* 3. full set */
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virBitmapSetAll(bitmap);
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for (i = 0; i < size; i++) {
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if (virBitmapNextSetBit(bitmap, i - 1) != i)
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goto error;
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}
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if (virBitmapNextSetBit(bitmap, i) != -1)
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goto error;
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if (virBitmapLastSetBit(bitmap) != size - 1)
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goto error;
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if (virBitmapNextClearBit(bitmap, -1) != -1)
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goto error;
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virBitmapFree(bitmap);
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return 0;
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error:
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virBitmapFree(bitmap);
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return -1;
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}
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/* test for virBitmapNewData/ToData/DataFormat */
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static int
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test5(const void *v ATTRIBUTE_UNUSED)
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{
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char data[] = {0x01, 0x02, 0x00, 0x00, 0x04};
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unsigned char *data2 = NULL;
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int len2;
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int bits[] = {0, 9, 34};
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virBitmapPtr bitmap;
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size_t i;
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ssize_t j;
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int ret = -1;
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char *str = NULL;
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bitmap = virBitmapNewData(data, sizeof(data));
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if (!bitmap)
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goto error;
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i = 0;
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j = -1;
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while (i < sizeof(bits)/sizeof(int) &&
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(j = virBitmapNextSetBit(bitmap, j)) >= 0) {
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if (j != bits[i++])
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goto error;
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}
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if (virBitmapNextSetBit(bitmap, j) > 0)
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goto error;
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ignore_value(virBitmapSetBit(bitmap, 2));
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ignore_value(virBitmapSetBit(bitmap, 15));
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if (virBitmapToData(bitmap, &data2, &len2) < 0)
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goto error;
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if (len2 != sizeof(data) ||
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data2[0] != 0x05 ||
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data2[1] != 0x82 ||
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data2[2] != 0x00 ||
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data2[3] != 0x00 ||
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data2[4] != 0x04)
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goto error;
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if (!(str = virBitmapDataFormat(data, sizeof(data))))
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goto error;
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if (STRNEQ(str, "0,9,34"))
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goto error;
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VIR_FREE(str);
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if (!(str = virBitmapDataFormat(data2, len2)))
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goto error;
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if (STRNEQ(str, "0,2,9,15,34"))
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goto error;
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ret = 0;
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error:
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VIR_FREE(str);
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virBitmapFree(bitmap);
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VIR_FREE(data2);
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return ret;
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}
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/* test for virBitmapFormat */
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static int
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test6(const void *v ATTRIBUTE_UNUSED)
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{
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virBitmapPtr bitmap = NULL;
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char *str = NULL;
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int size = 64;
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int ret = -1;
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bitmap = virBitmapNew(size);
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if (!bitmap)
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goto error;
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str = virBitmapFormat(bitmap);
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if (!str)
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goto error;
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if (STRNEQ(str, ""))
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goto error;
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VIR_FREE(str);
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ignore_value(virBitmapSetBit(bitmap, 0));
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str = virBitmapFormat(bitmap);
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if (!str)
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goto error;
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if (STRNEQ(str, "0"))
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goto error;
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VIR_FREE(str);
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ignore_value(virBitmapSetBit(bitmap, 4));
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ignore_value(virBitmapSetBit(bitmap, 5));
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str = virBitmapFormat(bitmap);
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if (!str)
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goto error;
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if (STRNEQ(str, "0,4-5"))
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goto error;
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VIR_FREE(str);
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ignore_value(virBitmapSetBit(bitmap, 6));
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str = virBitmapFormat(bitmap);
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if (!str)
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goto error;
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if (STRNEQ(str, "0,4-6"))
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goto error;
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VIR_FREE(str);
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ignore_value(virBitmapSetBit(bitmap, 13));
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ignore_value(virBitmapSetBit(bitmap, 14));
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ignore_value(virBitmapSetBit(bitmap, 15));
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ignore_value(virBitmapSetBit(bitmap, 16));
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str = virBitmapFormat(bitmap);
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if (!str)
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goto error;
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if (STRNEQ(str, "0,4-6,13-16"))
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goto error;
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VIR_FREE(str);
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ignore_value(virBitmapSetBit(bitmap, 62));
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ignore_value(virBitmapSetBit(bitmap, 63));
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str = virBitmapFormat(bitmap);
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if (!str)
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goto error;
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if (STRNEQ(str, "0,4-6,13-16,62-63"))
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goto error;
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ret = 0;
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error:
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virBitmapFree(bitmap);
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VIR_FREE(str);
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return ret;
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}
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static int
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test7(const void *v ATTRIBUTE_UNUSED)
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{
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virBitmapPtr bitmap;
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size_t i;
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size_t maxBit[] = {
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1, 8, 31, 32, 63, 64, 95, 96, 127, 128, 159, 160
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};
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size_t nmaxBit = 12;
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for (i = 0; i < nmaxBit; i++) {
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bitmap = virBitmapNew(maxBit[i]);
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if (!bitmap)
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goto error;
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if (virBitmapIsAllSet(bitmap))
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goto error;
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ignore_value(virBitmapSetBit(bitmap, 1));
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if (virBitmapIsAllSet(bitmap))
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goto error;
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virBitmapSetAll(bitmap);
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if (!virBitmapIsAllSet(bitmap))
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goto error;
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virBitmapClearAll(bitmap);
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if (!virBitmapIsAllClear(bitmap))
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goto error;
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virBitmapFree(bitmap);
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}
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return 0;
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error:
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virBitmapFree(bitmap);
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return -1;
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}
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static int
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test8(const void *v ATTRIBUTE_UNUSED)
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{
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virBitmapPtr bitmap = NULL;
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char data[108] = {0x00,};
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int ret = -1;
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bitmap = virBitmapNewData(data, sizeof(data));
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if (!bitmap)
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goto cleanup;
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if (!virBitmapIsAllClear(bitmap))
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goto cleanup;
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if (virBitmapSetBit(bitmap, 11) < 0)
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goto cleanup;
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if (virBitmapIsAllClear(bitmap))
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goto cleanup;
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ret = 0;
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cleanup:
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virBitmapFree(bitmap);
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return ret;
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}
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/* test out of bounds conditions on virBitmapParse */
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static int
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test9(const void *opaque ATTRIBUTE_UNUSED)
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{
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int ret = -1;
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virBitmapPtr bitmap = NULL;
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if (virBitmapParse("100000000", &bitmap, 20) != -1)
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goto cleanup;
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if (bitmap)
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goto cleanup;
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if (virBitmapParse("1-1000000000", &bitmap, 20) != -1)
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goto cleanup;
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if (bitmap)
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goto cleanup;
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if (virBitmapParse("1-10^10000000000", &bitmap, 20) != -1)
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goto cleanup;
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if (bitmap)
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goto cleanup;
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ret = 0;
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cleanup:
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virBitmapFree(bitmap);
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return ret;
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}
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static int
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test10(const void *opaque ATTRIBUTE_UNUSED)
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{
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int ret = -1;
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virBitmapPtr b1 = NULL, b2 = NULL, b3 = NULL, b4 = NULL;
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if (virBitmapParseSeparator("0-3,5-8,11-15f16", 'f', &b1, 20) < 0 ||
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virBitmapParse("4,9,10,16-19", &b2, 20) < 0 ||
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virBitmapParse("15", &b3, 20) < 0 ||
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virBitmapParse("0,^0", &b4, 20) < 0)
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goto cleanup;
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if (!virBitmapIsAllClear(b4))
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goto cleanup;
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if (virBitmapOverlaps(b1, b2) ||
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virBitmapOverlaps(b1, b4) ||
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virBitmapOverlaps(b2, b3) ||
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virBitmapOverlaps(b2, b4) ||
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!virBitmapOverlaps(b1, b3) ||
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virBitmapOverlaps(b3, b4))
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goto cleanup;
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ret = 0;
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cleanup:
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virBitmapFree(b1);
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virBitmapFree(b2);
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virBitmapFree(b3);
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virBitmapFree(b4);
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return ret;
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}
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struct testBinaryOpData {
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const char *a;
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const char *b;
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const char *res;
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};
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static int
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test11(const void *opaque)
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{
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const struct testBinaryOpData *data = opaque;
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virBitmapPtr amap = NULL;
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virBitmapPtr bmap = NULL;
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virBitmapPtr resmap = NULL;
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int ret = -1;
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if (virBitmapParse(data->a, &amap, 256) < 0 ||
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virBitmapParse(data->b, &bmap, 256) < 0 ||
|
|
virBitmapParse(data->res, &resmap, 256) < 0)
|
|
goto cleanup;
|
|
|
|
virBitmapIntersect(amap, bmap);
|
|
|
|
if (!virBitmapEqual(amap, resmap)) {
|
|
fprintf(stderr,
|
|
"\n bitmap intersection failed: intersect('%s','%s') !='%s'\n",
|
|
data->a, data->b, data->res);
|
|
goto cleanup;
|
|
}
|
|
|
|
ret = 0;
|
|
|
|
cleanup:
|
|
virBitmapFree(amap);
|
|
virBitmapFree(bmap);
|
|
virBitmapFree(resmap);
|
|
|
|
return ret;
|
|
}
|
|
|
|
#define TEST_MAP(sz, expect) \
|
|
do { \
|
|
char *actual; \
|
|
if (virBitmapSize(map) != sz) { \
|
|
fprintf(stderr, "\n expected bitmap size: '%d' actual size: " \
|
|
"'%zu'\n", sz, virBitmapSize(map)); \
|
|
goto cleanup; \
|
|
} \
|
|
\
|
|
actual = virBitmapFormat(map); \
|
|
\
|
|
if (STRNEQ_NULLABLE(expect, actual)) { \
|
|
fprintf(stderr, "\n expected bitmap contents '%s' actual contents "\
|
|
"'%s'\n", NULLSTR(expect), NULLSTR(actual)); \
|
|
VIR_FREE(actual); \
|
|
goto cleanup; \
|
|
} \
|
|
VIR_FREE(actual); \
|
|
} while (0)
|
|
|
|
/* test self-expanding bitmap APIs */
|
|
static int
|
|
test12(const void *opaque ATTRIBUTE_UNUSED)
|
|
{
|
|
virBitmapPtr map = NULL;
|
|
int ret = -1;
|
|
|
|
if (!(map = virBitmapNewEmpty()))
|
|
return -1;
|
|
|
|
TEST_MAP(0, "");
|
|
|
|
if (virBitmapSetBitExpand(map, 128) < 0)
|
|
goto cleanup;
|
|
|
|
TEST_MAP(129, "128");
|
|
|
|
if (virBitmapClearBitExpand(map, 150) < 0)
|
|
goto cleanup;
|
|
|
|
TEST_MAP(151, "128");
|
|
|
|
virBitmapFree(map);
|
|
if (!(map = virBitmapParseUnlimited("34,1023")))
|
|
goto cleanup;
|
|
|
|
TEST_MAP(1024, "34,1023");
|
|
|
|
virBitmapShrink(map, 35);
|
|
TEST_MAP(35, "34");
|
|
|
|
virBitmapShrink(map, 34);
|
|
TEST_MAP(34, "");
|
|
|
|
ret = 0;
|
|
|
|
cleanup:
|
|
virBitmapFree(map);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/* virBitmap(New/To)String */
|
|
static int
|
|
test13(const void *opaque ATTRIBUTE_UNUSED)
|
|
{
|
|
virBitmapPtr map = NULL;
|
|
const char *strings[] = { "1234feebee", "000c0fefe" };
|
|
char *str = NULL;
|
|
size_t i = 0;
|
|
int ret = -1;
|
|
|
|
for (i = 0; i < ARRAY_CARDINALITY(strings); i++) {
|
|
map = virBitmapNewString(strings[i]);
|
|
str = virBitmapToString(map, false, true);
|
|
|
|
if (!map || !str)
|
|
goto cleanup;
|
|
|
|
if (STRNEQ(strings[i], str)) {
|
|
fprintf(stderr, "\n expected bitmap string '%s' actual string "
|
|
"'%s'\n", strings[i], str);
|
|
goto cleanup;
|
|
}
|
|
|
|
VIR_FREE(str);
|
|
virBitmapFree(map);
|
|
map = NULL;
|
|
}
|
|
|
|
ret = 0;
|
|
cleanup:
|
|
VIR_FREE(str);
|
|
virBitmapFree(map);
|
|
return ret;
|
|
}
|
|
|
|
#undef TEST_MAP
|
|
|
|
static int
|
|
test14(const void *opaque)
|
|
{
|
|
const struct testBinaryOpData *data = opaque;
|
|
virBitmapPtr amap = NULL;
|
|
virBitmapPtr bmap = NULL;
|
|
virBitmapPtr resmap = NULL;
|
|
int ret = -1;
|
|
|
|
if (virBitmapParse(data->a, &amap, 256) < 0 ||
|
|
virBitmapParse(data->b, &bmap, 256) < 0 ||
|
|
virBitmapParse(data->res, &resmap, 256) < 0)
|
|
goto cleanup;
|
|
|
|
virBitmapSubtract(amap, bmap);
|
|
|
|
if (!virBitmapEqual(amap, resmap)) {
|
|
fprintf(stderr,
|
|
"\n bitmap subtraction failed: '%s' - '%s' != '%s'\n",
|
|
data->a, data->b, data->res);
|
|
goto cleanup;
|
|
}
|
|
|
|
ret = 0;
|
|
|
|
cleanup:
|
|
virBitmapFree(amap);
|
|
virBitmapFree(bmap);
|
|
virBitmapFree(resmap);
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
#define TESTBINARYOP(A, B, RES, FUNC) \
|
|
testBinaryOpData.a = A; \
|
|
testBinaryOpData.b = B; \
|
|
testBinaryOpData.res = RES; \
|
|
if (virTestRun(virTestCounterNext(), FUNC, &testBinaryOpData) < 0) \
|
|
ret = -1;
|
|
|
|
static int
|
|
mymain(void)
|
|
{
|
|
struct testBinaryOpData testBinaryOpData;
|
|
int ret = 0;
|
|
|
|
if (virTestRun("test1", test1, NULL) < 0)
|
|
ret = -1;
|
|
if (virTestRun("test2", test2, NULL) < 0)
|
|
ret = -1;
|
|
if (virTestRun("test3", test3, NULL) < 0)
|
|
ret = -1;
|
|
if (virTestRun("test4", test4, NULL) < 0)
|
|
ret = -1;
|
|
if (virTestRun("test5", test5, NULL) < 0)
|
|
ret = -1;
|
|
if (virTestRun("test6", test6, NULL) < 0)
|
|
ret = -1;
|
|
if (virTestRun("test7", test7, NULL) < 0)
|
|
ret = -1;
|
|
if (virTestRun("test8", test8, NULL) < 0)
|
|
ret = -1;
|
|
if (virTestRun("test9", test9, NULL) < 0)
|
|
ret = -1;
|
|
if (virTestRun("test10", test10, NULL) < 0)
|
|
ret = -1;
|
|
|
|
virTestCounterReset("test11-");
|
|
TESTBINARYOP("0", "0", "0", test11);
|
|
TESTBINARYOP("0-3", "0", "0", test11);
|
|
TESTBINARYOP("0-3", "0,3", "0,3", test11);
|
|
TESTBINARYOP("0,^0", "0", "0,^0", test11);
|
|
TESTBINARYOP("0-3", "0-3", "0-3", test11);
|
|
TESTBINARYOP("0-3", "0,^0", "0,^0", test11);
|
|
TESTBINARYOP("0,2", "1,3", "0,^0", test11);
|
|
|
|
if (virTestRun("test12", test12, NULL) < 0)
|
|
ret = -1;
|
|
if (virTestRun("test13", test13, NULL) < 0)
|
|
ret = -1;
|
|
|
|
virTestCounterReset("test14-");
|
|
TESTBINARYOP("0", "0", "0,^0", test14);
|
|
TESTBINARYOP("0-3", "0", "1-3", test14);
|
|
TESTBINARYOP("0-3", "0,3", "1-2", test14);
|
|
TESTBINARYOP("0,^0", "0", "0,^0", test14);
|
|
TESTBINARYOP("0-3", "0-3", "0,^0", test14);
|
|
TESTBINARYOP("0-3", "0,^0", "0-3", test14);
|
|
TESTBINARYOP("0,2", "1,3", "0,2", test14);
|
|
|
|
return ret;
|
|
}
|
|
|
|
VIR_TEST_MAIN(mymain)
|