be/test/common/compare_test.cpp

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you 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 "common/compare.h"

#include <gtest/gtest.h>

#include <vector>

#include "common/status.h"

namespace doris {

TEST(CompareTest, test) {
    {
        double x = -0.0;
        NormalizeFloat(x);
        EXPECT_EQ(x, 0.0);
    }
    {
        float x = -0.0F;
        NormalizeFloat(x);
        EXPECT_EQ(x, 0.0F);
    }
    {
        double x = std::nan("");
        NormalizeFloat(x);
        EXPECT_TRUE(std::isnan(x));
    }
    {
        float x = std::nanf("");
        NormalizeFloat(x);
        EXPECT_TRUE(std::isnan(x));
    }
}

} // namespace doris