src/google/protobuf/port_test.cc

// Protocol Buffers - Google's data interchange format
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// https://developers.google.com/protocol-buffers/
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#include <stdio.h>
#include <stdlib.h>

#include <gtest/gtest.h>

// Must be included last
#include "google/protobuf/port_def.inc"

namespace google {
namespace protobuf {
namespace internal {

int assume_var_for_test = 1;

TEST(PortTest, ProtobufAssume) {
  PROTOBUF_ASSUME(assume_var_for_test == 1);
#ifdef GTEST_HAS_DEATH_TEST
  EXPECT_DEBUG_DEATH(
      PROTOBUF_ASSUME(assume_var_for_test == 2),
      "port_test\\.cc:.*Assumption failed: 'assume_var_for_test == 2'");
#endif
}

}  // namespace internal
}  // namespace protobuf
}  // namespace google