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2007-09-01 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>

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Reduced the fragmentation of bitfield in http/ftp download.
	* src/BitfieldMan.cc (getSparseMissingUnusedIndex)
	* test/BitfieldManTest.cc
This commit is contained in:
Tatsuhiro Tsujikawa 2007-08-31 15:18:48 +00:00
parent d1e7a68d68
commit 2bea8759c4
3 changed files with 42 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

38
test/BitfieldManTest.cc
View file

@ -15,6 +15,7 @@ class BitfieldManTest:public CppUnit::TestFixture {
CPPUNIT_TEST(testFilter);
CPPUNIT_TEST(testGetMissingIndex);
CPPUNIT_TEST(testGetSparceMissingUnusedIndex);
CPPUNIT_TEST(testGetSparceMissingUnusedIndex_setBit);
CPPUNIT_TEST(testIsBitSetOffsetRange);
CPPUNIT_TEST(testGetMissingUnusedLength);
CPPUNIT_TEST(testSetBitRange);
@ -38,6 +39,7 @@ public:
void testFilter();
void testGetMissingIndex();
void testGetSparceMissingUnusedIndex();
void testGetSparceMissingUnusedIndex_setBit();
void testIsBitSetOffsetRange();
void testGetMissingUnusedLength();
void testSetBitRange();
@ -221,23 +223,49 @@ void BitfieldManTest::testGetSparceMissingUnusedIndex() {
BitfieldMan bitfield(1024*1024, 10*1024*1024);
CPPUNIT_ASSERT_EQUAL((int32_t)0, bitfield.getSparseMissingUnusedIndex());
bitfield.setBit(0);
bitfield.setUseBit(0);
CPPUNIT_ASSERT_EQUAL((int32_t)5, bitfield.getSparseMissingUnusedIndex());
bitfield.setUseBit(5);
CPPUNIT_ASSERT_EQUAL((int32_t)3, bitfield.getSparseMissingUnusedIndex());
bitfield.setBit(3);
bitfield.setUseBit(3);
CPPUNIT_ASSERT_EQUAL((int32_t)8, bitfield.getSparseMissingUnusedIndex());
bitfield.setBit(8);
bitfield.setUseBit(8);
CPPUNIT_ASSERT_EQUAL((int32_t)2, bitfield.getSparseMissingUnusedIndex());
bitfield.setBit(2);
bitfield.setUseBit(2);
CPPUNIT_ASSERT_EQUAL((int32_t)7, bitfield.getSparseMissingUnusedIndex());
bitfield.setBit(7);
bitfield.setUseBit(7);
CPPUNIT_ASSERT_EQUAL((int32_t)1, bitfield.getSparseMissingUnusedIndex());
bitfield.setUseBit(1);
CPPUNIT_ASSERT_EQUAL((int32_t)4, bitfield.getSparseMissingUnusedIndex());
bitfield.setUseBit(4);
CPPUNIT_ASSERT_EQUAL((int32_t)6, bitfield.getSparseMissingUnusedIndex());
bitfield.setUseBit(6);
CPPUNIT_ASSERT_EQUAL((int32_t)9, bitfield.getSparseMissingUnusedIndex());
bitfield.setUseBit(9);
CPPUNIT_ASSERT_EQUAL((int32_t)-1, bitfield.getSparseMissingUnusedIndex());
}
void BitfieldManTest::testGetSparceMissingUnusedIndex_setBit() {
BitfieldMan bitfield(1024*1024, 10*1024*1024);
CPPUNIT_ASSERT_EQUAL((int32_t)0, bitfield.getSparseMissingUnusedIndex());
bitfield.setBit(0);
CPPUNIT_ASSERT_EQUAL((int32_t)1, bitfield.getSparseMissingUnusedIndex());
bitfield.setBit(1);
CPPUNIT_ASSERT_EQUAL((int32_t)2, bitfield.getSparseMissingUnusedIndex());
bitfield.setBit(2);
CPPUNIT_ASSERT_EQUAL((int32_t)3, bitfield.getSparseMissingUnusedIndex());
bitfield.setBit(3);
CPPUNIT_ASSERT_EQUAL((int32_t)4, bitfield.getSparseMissingUnusedIndex());
bitfield.setBit(4);
CPPUNIT_ASSERT_EQUAL((int32_t)5, bitfield.getSparseMissingUnusedIndex());
bitfield.setBit(5);
CPPUNIT_ASSERT_EQUAL((int32_t)6, bitfield.getSparseMissingUnusedIndex());
bitfield.setBit(6);
CPPUNIT_ASSERT_EQUAL((int32_t)7, bitfield.getSparseMissingUnusedIndex());
bitfield.setBit(7);
CPPUNIT_ASSERT_EQUAL((int32_t)8, bitfield.getSparseMissingUnusedIndex());
bitfield.setBit(8);
CPPUNIT_ASSERT_EQUAL((int32_t)9, bitfield.getSparseMissingUnusedIndex());
bitfield.setBit(9);
CPPUNIT_ASSERT_EQUAL((int32_t)-1, bitfield.getSparseMissingUnusedIndex());