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 
TEST(parsedouble,double_smoke)21 TEST(parsedouble, double_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   ASSERT_FALSE(android::base::ParseDouble("123.4x", nullptr));
40   ASSERT_TRUE(android::base::ParseDouble("-123.4", nullptr));
41   ASSERT_FALSE(android::base::ParseDouble("3.0", nullptr, -1.0, 2.0));
42   ASSERT_TRUE(android::base::ParseDouble("1.0", nullptr, 0.0, 2.0));
43 }
44 
TEST(parsedouble,float_smoke)45 TEST(parsedouble, float_smoke) {
46   float f;
47   ASSERT_FALSE(android::base::ParseFloat("", &f));
48   ASSERT_FALSE(android::base::ParseFloat("x", &f));
49   ASSERT_FALSE(android::base::ParseFloat("123.4x", &f));
50 
51   ASSERT_TRUE(android::base::ParseFloat("123.4", &f));
52   ASSERT_FLOAT_EQ(123.4, f);
53   ASSERT_TRUE(android::base::ParseFloat("-123.4", &f));
54   ASSERT_FLOAT_EQ(-123.4, f);
55 
56   ASSERT_TRUE(android::base::ParseFloat("0", &f, 0.0));
57   ASSERT_FLOAT_EQ(0.0, f);
58   ASSERT_FALSE(android::base::ParseFloat("0", &f, 1e-9));
59   ASSERT_FALSE(android::base::ParseFloat("3.0", &f, -1.0, 2.0));
60   ASSERT_TRUE(android::base::ParseFloat("1.0", &f, 0.0, 2.0));
61   ASSERT_FLOAT_EQ(1.0, f);
62 
63   ASSERT_FALSE(android::base::ParseFloat("123.4x", nullptr));
64   ASSERT_TRUE(android::base::ParseFloat("-123.4", nullptr));
65   ASSERT_FALSE(android::base::ParseFloat("3.0", nullptr, -1.0, 2.0));
66   ASSERT_TRUE(android::base::ParseFloat("1.0", nullptr, 0.0, 2.0));
67 }
68