ceph/src/jaegertracing/thrift/lib/cpp/test/EnumTest.cpp

   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
  23 std::ostream& operator <<(std::ostream& os, const MyEnumWithCustomOstream::type& val)
  24 {
  25   os << "{" << (int)val << ":CUSTOM!" << "}";
  26   return os;
  27 }
  28
  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
  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>
  69 std::string EnumToString(_T e)
  70 {
  71   std::stringstream ss;
  72   ss << e;
  73   return ss.str();
  74 }
  75
  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
  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
 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()