mirror of https://github.com/aria2/aria2
139 lines
4.2 KiB
C++
139 lines
4.2 KiB
C++
#include "BitfieldMan.h"
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#include <string>
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#include <cppunit/extensions/HelperMacros.h>
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using namespace std;
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class BitfieldManTest:public CppUnit::TestFixture {
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CPPUNIT_TEST_SUITE(BitfieldManTest);
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CPPUNIT_TEST(testGetBlockSize);
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CPPUNIT_TEST(testGetFirstMissingUnusedIndex);
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CPPUNIT_TEST(testIsAllBitSet);
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CPPUNIT_TEST(testFilter);
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CPPUNIT_TEST_SUITE_END();
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private:
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public:
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void setUp() {
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}
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void testGetBlockSize();
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void testGetFirstMissingUnusedIndex();
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void testIsAllBitSet();
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void testFilter();
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};
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CPPUNIT_TEST_SUITE_REGISTRATION( BitfieldManTest );
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void BitfieldManTest::testGetBlockSize() {
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BitfieldMan bt1(1024, 1024*10);
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CPPUNIT_ASSERT_EQUAL(1024, bt1.getBlockLength(9));
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BitfieldMan bt2(1024, 1024*10+1);
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CPPUNIT_ASSERT_EQUAL(1024, bt2.getBlockLength(9));
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CPPUNIT_ASSERT_EQUAL(1, bt2.getBlockLength(10));
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CPPUNIT_ASSERT_EQUAL(0, bt2.getBlockLength(11));
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}
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void BitfieldManTest::testGetFirstMissingUnusedIndex() {
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BitfieldMan bt1(1024, 1024*10);
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unsigned char bitfield[2];
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memset(bitfield, 0xff, sizeof(bitfield));
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CPPUNIT_ASSERT_EQUAL(0, bt1.getFirstMissingUnusedIndex(bitfield, sizeof(bitfield)));
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CPPUNIT_ASSERT(bt1.setUseBit(0));
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CPPUNIT_ASSERT_EQUAL(1, bt1.getFirstMissingUnusedIndex(bitfield, sizeof(bitfield)));
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CPPUNIT_ASSERT(bt1.unsetUseBit(0));
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CPPUNIT_ASSERT_EQUAL(0, bt1.getFirstMissingUnusedIndex(bitfield, sizeof(bitfield)));
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CPPUNIT_ASSERT(bt1.setBit(0));
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CPPUNIT_ASSERT_EQUAL(1, bt1.getFirstMissingUnusedIndex(bitfield, sizeof(bitfield)));
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for(int i = 0; i < 8; i++) {
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CPPUNIT_ASSERT(bt1.setBit(i));
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}
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CPPUNIT_ASSERT_EQUAL(8, bt1.getFirstMissingUnusedIndex(bitfield, sizeof(bitfield)));
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CPPUNIT_ASSERT_EQUAL(8, bt1.getFirstMissingUnusedIndex());
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CPPUNIT_ASSERT(bt1.setUseBit(8));
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CPPUNIT_ASSERT_EQUAL(9, bt1.getFirstMissingUnusedIndex());
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}
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void BitfieldManTest::testIsAllBitSet() {
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BitfieldMan bt1(1024, 1024*10);
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CPPUNIT_ASSERT(!bt1.isAllBitSet());
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bt1.setBit(1);
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CPPUNIT_ASSERT(!bt1.isAllBitSet());
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for(int i = 0; i < 8; i++) {
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CPPUNIT_ASSERT(bt1.setBit(i));
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}
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CPPUNIT_ASSERT(!bt1.isAllBitSet());
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for(int i = 0; i < bt1.countBlock(); i++) {
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CPPUNIT_ASSERT(bt1.setBit(i));
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}
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CPPUNIT_ASSERT(bt1.isAllBitSet());
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}
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void BitfieldManTest::testFilter() {
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// set random seed here in order to get same random numbers.
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srandom(100);
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BitfieldMan btman(2, 32);
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// test offset=4, length=12
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btman.addFilter(4, 12);
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btman.enableFilter();
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unsigned char peerBt[2];
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memset(peerBt, 0xff, sizeof(peerBt));
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int index;
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index = btman.getMissingUnusedIndex(peerBt, sizeof(peerBt));
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btman.setUseBit(index);
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CPPUNIT_ASSERT_EQUAL(3, index);
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index = btman.getMissingUnusedIndex(peerBt, sizeof(peerBt));
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btman.setUseBit(index);
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CPPUNIT_ASSERT_EQUAL(4, index);
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index = btman.getMissingUnusedIndex(peerBt, sizeof(peerBt));
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btman.setUseBit(index);
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CPPUNIT_ASSERT_EQUAL(2, index);
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index = btman.getMissingUnusedIndex(peerBt, sizeof(peerBt));
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btman.setUseBit(index);
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CPPUNIT_ASSERT_EQUAL(6, index);
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index = btman.getMissingUnusedIndex(peerBt, sizeof(peerBt));
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btman.setUseBit(index);
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CPPUNIT_ASSERT_EQUAL(5, index);
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index = btman.getMissingUnusedIndex(peerBt, sizeof(peerBt));
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btman.setUseBit(index);
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CPPUNIT_ASSERT_EQUAL(7, index);
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index = btman.getMissingUnusedIndex(peerBt, sizeof(peerBt));
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btman.setUseBit(index);
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CPPUNIT_ASSERT_EQUAL(-1, index);
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CPPUNIT_ASSERT_EQUAL((long long int)12, btman.getFilteredTotalLength());
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// test offset=5, length=2
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btman.clearAllBit();
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btman.clearFilter();
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btman.addFilter(5, 2);
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btman.enableFilter();
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index = btman.getMissingUnusedIndex(peerBt, sizeof(peerBt));
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btman.setUseBit(index);
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btman.setBit(index);
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CPPUNIT_ASSERT_EQUAL(3, index);
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index = btman.getMissingUnusedIndex(peerBt, sizeof(peerBt));
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btman.setUseBit(index);
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btman.setBit(index);
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CPPUNIT_ASSERT_EQUAL(2, index);
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index = btman.getMissingUnusedIndex(peerBt, sizeof(peerBt));
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btman.setUseBit(index);
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CPPUNIT_ASSERT_EQUAL(-1, index);
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CPPUNIT_ASSERT_EQUAL((long long int)4, btman.getFilteredTotalLength());
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CPPUNIT_ASSERT(btman.isAllBitSet());
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BitfieldMan btman2(2, 31);
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btman2.addFilter(0, 31);
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btman2.enableFilter();
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CPPUNIT_ASSERT_EQUAL((long long int)31, btman2.getFilteredTotalLength());
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}
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