+++ /dev/null
-/*
- This file is a part of libcds - Concurrent Data Structures library
-
- (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2016
-
- Source code repo: http://github.com/khizmax/libcds/
- Download: http://sourceforge.net/projects/libcds/files/
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice, this
- list of conditions and the following disclaimer.
-
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-#include "cppunit/cppunit_proxy.h"
-
-#include <cds/algo/int_algo.h>
-#include <cds/os/timer.h>
-
-class bitop_ST : public CppUnitMini::TestCase
-{
-protected:
- void bitop32()
- {
- uint32_t n;
- n = 0;
- CPPUNIT_ASSERT_EX( cds::bitop::MSB(n) == 0, "n=" << n );
- CPPUNIT_ASSERT_EX( cds::bitop::LSB(n) == 0, "n=" << n );
- CPPUNIT_ASSERT_EX( cds::bitop::SBC(n) == 0, "n=" << n );
- CPPUNIT_ASSERT_EX( cds::bitop::ZBC(n) == sizeof(n) * 8, "n=" << n );
-
- int nBit = 1;
- for ( n = 1; n != 0; n *= 2 ) {
- CPPUNIT_ASSERT_EX( cds::bitop::MSB(n) == nBit, "n=" << n );
- CPPUNIT_ASSERT_EX( cds::bitop::LSB(n) == nBit, "n=" << n );
- CPPUNIT_ASSERT_EX( cds::bitop::MSBnz(n) == nBit - 1, "n=" << n );
- CPPUNIT_ASSERT_EX( cds::bitop::LSBnz(n) == nBit - 1, "n=" << n );
- CPPUNIT_ASSERT_EX( cds::bitop::SBC(n) == 1, "n=" << n );
- CPPUNIT_ASSERT_EX( cds::bitop::ZBC(n) == sizeof(n) * 8 - 1, "n=" << n );
-
- ++nBit;
- }
- }
-
- void bitop64()
- {
- uint64_t n;
- n = 0;
- CPPUNIT_ASSERT_EX( cds::bitop::MSB(n) == 0, "n=" << n );
- CPPUNIT_ASSERT_EX( cds::bitop::LSB(n) == 0, "n=" << n );
- CPPUNIT_ASSERT_EX( cds::bitop::SBC(n) == 0, "n=" << n );
- CPPUNIT_ASSERT_EX( cds::bitop::ZBC(n) == sizeof(n) * 8, "n=" << n );
-
- int nBit = 1;
- for ( n = 1; n != 0; n *= 2 ) {
- CPPUNIT_ASSERT_EX( cds::bitop::MSB(n) == nBit, "n=" << n );
- CPPUNIT_ASSERT_EX( cds::bitop::LSB(n) == nBit, "n=" << n );
- CPPUNIT_ASSERT_EX( cds::bitop::MSBnz(n) == nBit - 1, "n=" << n );
- CPPUNIT_ASSERT_EX( cds::bitop::LSBnz(n) == nBit - 1, "n=" << n );
- CPPUNIT_ASSERT_EX( cds::bitop::SBC(n) == 1, "n=" << n );
- CPPUNIT_ASSERT_EX( cds::bitop::ZBC(n) == sizeof(n) * 8 - 1, "n=" << n );
-
- ++nBit;
- }
- }
-
- void floor_ceil_pow2()
- {
- CPPUNIT_CHECK_EX( cds::beans::floor2(0) == 1, "floor2(0) = " << cds::beans::floor2(0) << ", expected 1" );
- CPPUNIT_CHECK_EX( cds::beans::floor2(1) == 1, "floor2(1) = " << cds::beans::floor2(1) << ", expected 1" );
- CPPUNIT_CHECK_EX( cds::beans::floor2(2) == 2, "floor2(2) = " << cds::beans::floor2(2) << ", expected 2" );
- CPPUNIT_CHECK_EX( cds::beans::floor2(3) == 2, "floor2(3) = " << cds::beans::floor2(3) << ", expected 2" );
- CPPUNIT_CHECK_EX( cds::beans::floor2(4) == 4, "floor2(4) = " << cds::beans::floor2(4) << ", expected 4" );
- CPPUNIT_CHECK_EX( cds::beans::floor2(5) == 4, "floor2(5) = " << cds::beans::floor2(5) << ", expected 4" );
- CPPUNIT_CHECK_EX( cds::beans::floor2(7) == 4, "floor2(7) = " << cds::beans::floor2(7) << ", expected 4" );
- CPPUNIT_CHECK_EX( cds::beans::floor2(8) == 8, "floor2(8) = " << cds::beans::floor2(8) << ", expected 8" );
- CPPUNIT_CHECK_EX( cds::beans::floor2(9) == 8, "floor2(9) = " << cds::beans::floor2(9) << ", expected 8" );
-
- CPPUNIT_CHECK_EX( cds::beans::ceil2(0) == 1, "ceil2(0) = " << cds::beans::ceil2(0) << ", expected 1" );
- CPPUNIT_CHECK_EX( cds::beans::ceil2(1) == 1, "ceil2(1) = " << cds::beans::ceil2(1) << ", expected 1" );
- CPPUNIT_CHECK_EX( cds::beans::ceil2(2) == 2, "ceil2(2) = " << cds::beans::ceil2(2) << ", expected 2" );
- CPPUNIT_CHECK_EX( cds::beans::ceil2(3) == 4, "ceil2(3) = " << cds::beans::ceil2(3) << ", expected 4" );
- CPPUNIT_CHECK_EX( cds::beans::ceil2(4) == 4, "ceil2(4) = " << cds::beans::ceil2(4) << ", expected 4" );
- CPPUNIT_CHECK_EX( cds::beans::ceil2(5) == 8, "ceil2(5) = " << cds::beans::ceil2(5) << ", expected 8" );
- CPPUNIT_CHECK_EX( cds::beans::ceil2(7) == 8, "ceil2(7) = " << cds::beans::ceil2(7) << ", expected 8" );
- CPPUNIT_CHECK_EX( cds::beans::ceil2(8) == 8, "ceil2(8) = " << cds::beans::ceil2(8) << ", expected 8" );
- CPPUNIT_CHECK_EX( cds::beans::ceil2(9) == 16, "ceil2(9) = " << cds::beans::ceil2(16) << ", expected 16" );
- }
-
- CPPUNIT_TEST_SUITE(bitop_ST);
- CPPUNIT_TEST(bitop32)
- CPPUNIT_TEST(bitop64)
- CPPUNIT_TEST(floor_ceil_pow2)
- CPPUNIT_TEST_SUITE_END();
-};
-
-CPPUNIT_TEST_SUITE_REGISTRATION(bitop_ST);
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