1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one
3  * or more contributor license agreements. See the NOTICE file
4  * distributed with this work for additional information
5  * regarding copyright ownership. The ASF licenses this file
6  * to you under the Apache License, Version 2.0 (the
7  * "License"); you may not use this file except in compliance
8  * with the License. You may obtain a copy of the License at
9  *
10  *   http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing,
13  * software distributed under the License is distributed on an
14  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15  * KIND, either express or implied. See the License for the
16  * specific language governing permissions and limitations
17  * under the License.
18  */
19 #define BOOST_TEST_MODULE EnumTest
20 #include <boost/test/unit_test.hpp>
21 #include "gen-cpp/EnumTest_types.h"
22 
operator <<(std::ostream & os,const MyEnumWithCustomOstream::type & val)23 std::ostream& operator <<(std::ostream& os, const MyEnumWithCustomOstream::type& val)
24 {
25   os << "{" << (int)val << ":CUSTOM!" << "}";
26   return os;
27 }
28 
to_string(const MyEnumWithCustomOstream::type & val)29 std::string to_string(const MyEnumWithCustomOstream::type& val)
30 {
31   std::ostringstream os;
32   os << val;
33   return os.str();
34 }
35 
36 BOOST_AUTO_TEST_SUITE(EnumTest)
37 
BOOST_AUTO_TEST_CASE(test_enum_value)38 BOOST_AUTO_TEST_CASE(test_enum_value) {
39   // Check that all the enum values match what we expect
40   BOOST_CHECK_EQUAL(MyEnum1::ME1_0, 0);
41   BOOST_CHECK_EQUAL(MyEnum1::ME1_1, 1);
42   BOOST_CHECK_EQUAL(MyEnum1::ME1_2, 2);
43   BOOST_CHECK_EQUAL(MyEnum1::ME1_3, 3);
44   BOOST_CHECK_EQUAL(MyEnum1::ME1_5, 5);
45   BOOST_CHECK_EQUAL(MyEnum1::ME1_6, 6);
46 
47   BOOST_CHECK_EQUAL(MyEnum2::ME2_0, 0);
48   BOOST_CHECK_EQUAL(MyEnum2::ME2_1, 1);
49   BOOST_CHECK_EQUAL(MyEnum2::ME2_2, 2);
50 
51   BOOST_CHECK_EQUAL(MyEnum3::ME3_0, 0);
52   BOOST_CHECK_EQUAL(MyEnum3::ME3_1, 1);
53   BOOST_CHECK_EQUAL(MyEnum3::ME3_N2, -2);
54   BOOST_CHECK_EQUAL(MyEnum3::ME3_N1, -1);
55   BOOST_CHECK_EQUAL(MyEnum3::ME3_D0, 0);
56   BOOST_CHECK_EQUAL(MyEnum3::ME3_D1, 1);
57   BOOST_CHECK_EQUAL(MyEnum3::ME3_9, 9);
58   BOOST_CHECK_EQUAL(MyEnum3::ME3_10, 10);
59 
60   BOOST_CHECK_EQUAL(MyEnum4::ME4_A, 0x7ffffffd);
61   BOOST_CHECK_EQUAL(MyEnum4::ME4_B, 0x7ffffffe);
62   BOOST_CHECK_EQUAL(MyEnum4::ME4_C, 0x7fffffff);
63 
64   BOOST_CHECK_EQUAL(MyEnum5::e1, 0);
65   BOOST_CHECK_EQUAL(MyEnum5::e2, 42);
66 }
67 
68 template <class _T>
EnumToString(_T e)69 std::string EnumToString(_T e)
70 {
71   std::stringstream ss;
72   ss << e;
73   return ss.str();
74 }
75 
BOOST_AUTO_TEST_CASE(test_enum_ostream)76 BOOST_AUTO_TEST_CASE(test_enum_ostream)
77 {
78   BOOST_CHECK_EQUAL(EnumToString(MyEnum1::ME1_0), "ME1_0");
79   BOOST_CHECK_EQUAL(EnumToString(MyEnum5::e2), "e2");
80   BOOST_CHECK_EQUAL(EnumToString(MyEnum3::ME3_N1), "ME3_N1");
81   BOOST_CHECK_EQUAL(EnumToString(MyEnumWithCustomOstream::CustoM2), "{2:CUSTOM!}");
82 
83   // some invalid or unknown value
84   auto uut = static_cast<MyEnum5::type>(44);
85   BOOST_CHECK_EQUAL(EnumToString(uut), "44");
86 }
87 
BOOST_AUTO_TEST_CASE(test_enum_to_string)88 BOOST_AUTO_TEST_CASE(test_enum_to_string)
89 {
90   BOOST_CHECK_EQUAL(::to_string(MyEnum1::ME1_0), "ME1_0");
91   BOOST_CHECK_EQUAL(::to_string(MyEnum5::e2), "e2");
92   BOOST_CHECK_EQUAL(::to_string(MyEnum3::ME3_N1), "ME3_N1");
93   BOOST_CHECK_EQUAL(::to_string(MyEnumWithCustomOstream::CustoM2), "{2:CUSTOM!}");
94 
95   // some invalid or unknown value
96   auto uut = static_cast<MyEnum5::type>(44);
97   BOOST_CHECK_EQUAL(::to_string(uut), "44");
98 }
99 
BOOST_AUTO_TEST_CASE(test_enum_constant)100 BOOST_AUTO_TEST_CASE(test_enum_constant)
101 {
102   MyStruct ms;
103   BOOST_CHECK_EQUAL(ms.me2_2, 2);
104   BOOST_CHECK_EQUAL(ms.me3_n2, -2);
105   BOOST_CHECK_EQUAL(ms.me3_d1, 1);
106 }
107 
108 BOOST_AUTO_TEST_SUITE_END()
109