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Diffstat (limited to 'test/core/gprpp/ref_counted_ptr_test.cc')
-rw-r--r-- | test/core/gprpp/ref_counted_ptr_test.cc | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/test/core/gprpp/ref_counted_ptr_test.cc b/test/core/gprpp/ref_counted_ptr_test.cc new file mode 100644 index 0000000000..f1f13f3183 --- /dev/null +++ b/test/core/gprpp/ref_counted_ptr_test.cc @@ -0,0 +1,185 @@ +/* + * + * Copyright 2017 gRPC authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +#include "src/core/lib/gprpp/ref_counted_ptr.h" + +#include <gtest/gtest.h> + +#include <grpc/support/log.h> + +#include "src/core/lib/gprpp/memory.h" +#include "src/core/lib/gprpp/ref_counted.h" +#include "test/core/util/test_config.h" + +namespace grpc_core { +namespace testing { +namespace { + +class Foo : public RefCounted { + public: + Foo() : value_(0) {} + + explicit Foo(int value) : value_(value) {} + + int value() const { return value_; } + + private: + int value_; +}; + +TEST(RefCountedPtr, DefaultConstructor) { RefCountedPtr<Foo> foo; } + +TEST(RefCountedPtr, ExplicitConstructorEmpty) { + RefCountedPtr<Foo> foo(nullptr); +} + +TEST(RefCountedPtr, ExplicitConstructor) { RefCountedPtr<Foo> foo(New<Foo>()); } + +TEST(RefCountedPtr, MoveConstructor) { + RefCountedPtr<Foo> foo(New<Foo>()); + RefCountedPtr<Foo> foo2(std::move(foo)); + EXPECT_EQ(nullptr, foo.get()); + EXPECT_NE(nullptr, foo2.get()); +} + +TEST(RefCountedPtr, MoveAssignment) { + RefCountedPtr<Foo> foo(New<Foo>()); + RefCountedPtr<Foo> foo2 = std::move(foo); + EXPECT_EQ(nullptr, foo.get()); + EXPECT_NE(nullptr, foo2.get()); +} + +TEST(RefCountedPtr, CopyConstructor) { + RefCountedPtr<Foo> foo(New<Foo>()); + RefCountedPtr<Foo> foo2(foo); + EXPECT_NE(nullptr, foo.get()); + EXPECT_EQ(foo.get(), foo2.get()); +} + +TEST(RefCountedPtr, CopyAssignment) { + RefCountedPtr<Foo> foo(New<Foo>()); + RefCountedPtr<Foo> foo2 = foo; + EXPECT_NE(nullptr, foo.get()); + EXPECT_EQ(foo.get(), foo2.get()); +} + +TEST(RefCountedPtr, CopyAssignmentWhenEmpty) { + RefCountedPtr<Foo> foo; + RefCountedPtr<Foo> foo2; + foo2 = foo; + EXPECT_EQ(nullptr, foo.get()); + EXPECT_EQ(nullptr, foo2.get()); +} + +TEST(RefCountedPtr, CopyAssignmentToSelf) { + RefCountedPtr<Foo> foo(New<Foo>()); + foo = foo; +} + +TEST(RefCountedPtr, EnclosedScope) { + RefCountedPtr<Foo> foo(New<Foo>()); + { + RefCountedPtr<Foo> foo2(std::move(foo)); + EXPECT_EQ(nullptr, foo.get()); + EXPECT_NE(nullptr, foo2.get()); + } + EXPECT_EQ(nullptr, foo.get()); +} + +TEST(RefCountedPtr, ResetFromNullToNonNull) { + RefCountedPtr<Foo> foo; + EXPECT_EQ(nullptr, foo.get()); + foo.reset(New<Foo>()); + EXPECT_NE(nullptr, foo.get()); +} + +TEST(RefCountedPtr, ResetFromNonNullToNonNull) { + RefCountedPtr<Foo> foo(New<Foo>()); + EXPECT_NE(nullptr, foo.get()); + Foo* original = foo.get(); + foo.reset(New<Foo>()); + EXPECT_NE(nullptr, foo.get()); + EXPECT_NE(original, foo.get()); +} + +TEST(RefCountedPtr, ResetFromNonNullToNull) { + RefCountedPtr<Foo> foo(New<Foo>()); + EXPECT_NE(nullptr, foo.get()); + foo.reset(); + EXPECT_EQ(nullptr, foo.get()); +} + +TEST(RefCountedPtr, ResetFromNullToNull) { + RefCountedPtr<Foo> foo; + EXPECT_EQ(nullptr, foo.get()); + foo.reset(nullptr); + EXPECT_EQ(nullptr, foo.get()); +} + +TEST(RefCountedPtr, DerefernceOperators) { + RefCountedPtr<Foo> foo(New<Foo>()); + foo->value(); + Foo& foo_ref = *foo; + foo_ref.value(); +} + +TEST(RefCountedPtr, EqualityOperators) { + RefCountedPtr<Foo> foo(New<Foo>()); + RefCountedPtr<Foo> bar = foo; + RefCountedPtr<Foo> empty; + // Test equality between RefCountedPtrs. + EXPECT_EQ(foo, bar); + EXPECT_NE(foo, empty); + // Test equality with bare pointers. + EXPECT_EQ(foo, foo.get()); + EXPECT_EQ(empty, nullptr); + EXPECT_NE(foo, nullptr); +} + +TEST(MakeRefCounted, NoArgs) { + RefCountedPtr<Foo> foo = MakeRefCounted<Foo>(); + EXPECT_EQ(0, foo->value()); +} + +TEST(MakeRefCounted, Args) { + RefCountedPtr<Foo> foo = MakeRefCounted<Foo>(3); + EXPECT_EQ(3, foo->value()); +} + +TraceFlag foo_tracer(true, "foo"); + +class FooWithTracing : public RefCountedWithTracing { + public: + FooWithTracing() : RefCountedWithTracing(&foo_tracer) {} +}; + +TEST(RefCountedPtr, RefCountedWithTracing) { + RefCountedPtr<FooWithTracing> foo(New<FooWithTracing>()); + foo->Ref(DEBUG_LOCATION, "foo"); + foo->Unref(DEBUG_LOCATION, "foo"); +} + +} // namespace +} // namespace testing +} // namespace grpc_core + +int main(int argc, char** argv) { + grpc_test_init(argc, argv); + ::testing::InitGoogleTest(&argc, argv); + return RUN_ALL_TESTS(); +} |