pxmlw6n2f/Gazebo_Distributed_MPI/gazebo/math/Helpers_TEST.cc

61 lines
1.9 KiB
C++

/*
* Copyright (C) 2012 Open Source Robotics Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <gtest/gtest.h>
#include "gazebo/math/Helpers.hh"
using namespace gazebo;
class HelpersTest : public ::testing::Test { };
/////////////////////////////////////////////////
// Test a few function in Helpers
TEST_F(HelpersTest, Helpers)
{
EXPECT_EQ(12345, math::parseInt("12345"));
EXPECT_EQ(-12345, math::parseInt("-12345"));
EXPECT_FLOAT_EQ(12.345, math::parseFloat("12.345"));
EXPECT_FLOAT_EQ(-12.345, math::parseFloat("-12.345"));
EXPECT_TRUE(math::equal(123.45, math::parseFloat("1.2345e2"), 1e-2));
EXPECT_EQ(1u, math::roundUpPowerOfTwo(0));
EXPECT_EQ(1u, math::roundUpPowerOfTwo(1));
EXPECT_EQ(2u, math::roundUpPowerOfTwo(2));
EXPECT_EQ(2048u, math::roundUpPowerOfTwo(1025));
}
/////////////////////////////////////////////////
// Test Helpers::fixnan functions
TEST_F(HelpersTest, FixNaN)
{
EXPECT_DOUBLE_EQ(math::fixnan(1.0 / 0.0), 0.0);
EXPECT_DOUBLE_EQ(math::fixnan(-1.0 / 0.0), 0.0);
EXPECT_DOUBLE_EQ(math::fixnan(0.0 / 0.0), 0.0);
EXPECT_DOUBLE_EQ(math::fixnan(42.0), 42.0);
EXPECT_DOUBLE_EQ(math::fixnan(-42.0), -42.0);
EXPECT_FLOAT_EQ(math::fixnan(1.0f / 0.0f), 0.0f);
EXPECT_FLOAT_EQ(math::fixnan(-1.0f / 0.0f), 0.0f);
EXPECT_FLOAT_EQ(math::fixnan(0.0f / 0.0f), 0.0f);
EXPECT_FLOAT_EQ(math::fixnan(42.0f), 42.0f);
EXPECT_FLOAT_EQ(math::fixnan(-42.0f), -42.0f);
}