unittests/cpp11-migrate/TransformTest.cpp

#include "gtest/gtest.h"
#include "Core/Transform.h"

class DummyTransform : public Transform {
public:
  DummyTransform(llvm::StringRef Name) : Transform(Name) {}

  virtual int apply(const FileContentsByPath &,
                    RiskLevel ,
                    const clang::tooling::CompilationDatabase &,
                    const std::vector<std::string> &,
                    FileContentsByPath &) { return 0; }

  void setAcceptedChanges(unsigned Changes) {
    Transform::setAcceptedChanges(Changes);
  }
  void setRejectedChanges(unsigned Changes) {
    Transform::setRejectedChanges(Changes);
  }
  void setDeferredChanges(unsigned Changes) {
    Transform::setDeferredChanges(Changes);
  }
};

TEST(Transform, Interface) {
  DummyTransform T("my_transform");
  ASSERT_EQ("my_transform", T.getName());
  ASSERT_EQ(0u, T.getAcceptedChanges());
  ASSERT_EQ(0u, T.getRejectedChanges());
  ASSERT_EQ(0u, T.getDeferredChanges());
  ASSERT_FALSE(T.getChangesMade());
  ASSERT_FALSE(T.getChangesNotMade());

  T.setAcceptedChanges(1);
  ASSERT_TRUE(T.getChangesMade());

  T.setDeferredChanges(1);
  ASSERT_TRUE(T.getChangesNotMade());

  T.setRejectedChanges(1);
  ASSERT_TRUE(T.getChangesNotMade());

  T.Reset();
  ASSERT_EQ(0u, T.getAcceptedChanges());
  ASSERT_EQ(0u, T.getRejectedChanges());
  ASSERT_EQ(0u, T.getDeferredChanges());

  T.setRejectedChanges(1);
  ASSERT_TRUE(T.getChangesNotMade());
}