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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #include "android-base/parsedouble.h"
     18 
     19 #include <gtest/gtest.h>
     20 
     21 TEST(parsedouble, smoke) {
     22   double d;
     23   ASSERT_FALSE(android::base::ParseDouble("", &d));
     24   ASSERT_FALSE(android::base::ParseDouble("x", &d));
     25   ASSERT_FALSE(android::base::ParseDouble("123.4x", &d));
     26 
     27   ASSERT_TRUE(android::base::ParseDouble("123.4", &d));
     28   ASSERT_DOUBLE_EQ(123.4, d);
     29   ASSERT_TRUE(android::base::ParseDouble("-123.4", &d));
     30   ASSERT_DOUBLE_EQ(-123.4, d);
     31 
     32   ASSERT_TRUE(android::base::ParseDouble("0", &d, 0.0));
     33   ASSERT_DOUBLE_EQ(0.0, d);
     34   ASSERT_FALSE(android::base::ParseDouble("0", &d, 1e-9));
     35   ASSERT_FALSE(android::base::ParseDouble("3.0", &d, -1.0, 2.0));
     36   ASSERT_TRUE(android::base::ParseDouble("1.0", &d, 0.0, 2.0));
     37   ASSERT_DOUBLE_EQ(1.0, d);
     38 }
     39