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    :  #include "syzygy/kasko/testing/safe_pipe_reader.h"
  16    :  
  17    :  #include "base/test/test_timeouts.h"
  18    :  #include "gtest/gtest.h"
  19    :  
  20    :  namespace kasko {
  21    :  namespace testing {
  22    :  
  23  E :  TEST(SafePipeReader, BasicTest) {
  24  E :    SafePipeReader pipe_reader;
  25  E :    ASSERT_TRUE(pipe_reader.IsValid());
  26  E :    int data = 73;
  27  E :    DWORD written = 0;
  28    :    ASSERT_TRUE(::WriteFile(pipe_reader.write_handle(), &data, sizeof(data),
  29  E :                            &written, NULL));
  30  E :    ASSERT_EQ(sizeof(data), written);
  31  E :    int read_buffer = 0;
  32    :    ASSERT_TRUE(pipe_reader.ReadData(TestTimeouts::tiny_timeout(),
  33  E :                                     sizeof(read_buffer), &read_buffer));
  34  E :    ASSERT_EQ(data, read_buffer);
  35  E :  }
  36    :  
  37  E :  TEST(SafePipeReader, Timeout) {
  38  E :    SafePipeReader pipe_reader;
  39  E :    ASSERT_TRUE(pipe_reader.IsValid());
  40  E :    int read_buffer = 0;
  41    :    ASSERT_FALSE(pipe_reader.ReadData(TestTimeouts::tiny_timeout(),
  42  E :                                      sizeof(read_buffer), &read_buffer));
  43  E :  }
  44    :  
  45  E :  TEST(SafePipeReader, IncompleteData) {
  46  E :    SafePipeReader pipe_reader;
  47  E :    ASSERT_TRUE(pipe_reader.IsValid());
  48    :  
  49  E :    int data = 73;
  50  E :    DWORD written = 0;
  51    :    ASSERT_TRUE(::WriteFile(pipe_reader.write_handle(), &data, sizeof(data) - 1,
  52  E :                            &written, NULL));
  53  E :    ASSERT_EQ(sizeof(data) - 1, written);
  54    :  
  55  E :    int read_buffer = 0;
  56    :    ASSERT_FALSE(pipe_reader.ReadData(TestTimeouts::tiny_timeout(),
  57  E :                                      sizeof(read_buffer), &read_buffer));
  58  E :  }
  59    :  
  60    :  }  // namespace testing
  61    :  }  // namespace kasko