1    :  // Copyright 2015 Google Inc. All Rights Reserved.
   2    :  //
   3    :  // Licensed under the Apache License, Version 2.0 (the "License");
   4    :  // you may not use this file except in compliance with the License.
   5    :  // You may obtain a copy of the License at
   6    :  //
   7    :  //     http://www.apache.org/licenses/LICENSE-2.0
   8    :  //
   9    :  // Unless required by applicable law or agreed to in writing, software
  10    :  // distributed under the License is distributed on an "AS IS" BASIS,
  11    :  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12    :  // See the License for the specific language governing permissions and
  13    :  // limitations under the License.
  14    :  //
  15    :  // Contains utilities for early aborting tests that should only run in one
  16    :  // memory model: Large Address Aware or otherwise.
  17    :  
  18    :  #ifndef SYZYGY_TESTING_LAA_H_
  19    :  #define SYZYGY_TESTING_LAA_H_
  20    :  
  21  m :  namespace testing {
  22    :  
  23    :  // Returns the size of the memory model of the current process, in GB.
  24    :  // Returns 2 (for non-LAA processes), or 4 (for LAA processes).
  25  m :  size_t GetAddressSpaceSize();
  26    :  
  27    :  // Returns true if the test should be skipped because it only supports
  28    :  // the given address space size.
  29  m :  bool ShouldSkipTest(size_t required_address_space_size);
  30    :  
  31    :  // Macros to be used to early exit a test that should only run in a 2GB/4GB
  32    :  // memory model. This is meant to be used as the first line in a test body,
  33    :  // and/or in the SetUp and TearDown functions of a fixture.
  34    :  #define TEST_ONLY_SUPPORTS_2G()     \
  35  m :    if (::testing::ShouldSkipTest(2)) \
  36  m :      return;
  37    :  #define TEST_ONLY_SUPPORTS_4G()     \
  38  m :    if (::testing::ShouldSkipTest(4)) \
  39  m :      return;
  40    :  
  41    :  // Macros to be used in declaring tests that only run in certain memory models.
  42    :  #define TEST_2G(test_case_name, test_name)  \
  43  m :      TEST(test_case_name, test_name ## _2G)
  44    :  #define TEST_F_2G(test_case_name, test_name)  \
  45  m :      TEST_F(test_case_name, test_name ## _2G)
  46    :  #define TEST_4G(test_case_name, test_name)  \
  47  m :      TEST(test_case_name, test_name ## _4G)
  48    :  #define TEST_F_4G(test_case_name, test_name)  \
  49  m :      TEST_F(test_case_name, test_name ## _4G)
  50    :  
  51  m :  }  // namespace testing
  52    :  
  53    :  #endif  // SYZYGY_TESTING_LAA_H_