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- // Copyright 2020 Google LLC
- //
- // 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 "statusor.h"
- #include <memory>
- #include <sstream>
- #include <string>
- #include "absl/status/status.h"
- #include <gtest/gtest.h>
- namespace rlwe {
- namespace {
- class NoDefault {
- public:
- explicit NoDefault(int dummy) { dummy_ = dummy; }
- ~NoDefault() = default;
- int GetDummy() { return dummy_; }
- private:
- NoDefault() = delete;
- int dummy_;
- };
- class NoDefaultNoCopy {
- public:
- explicit NoDefaultNoCopy(int dummy) { dummy_ = dummy; }
- ~NoDefaultNoCopy() = default;
- int GetDummy() { return dummy_; }
- NoDefaultNoCopy(NoDefaultNoCopy&& other) = default;
- NoDefaultNoCopy& operator=(NoDefaultNoCopy&& other) = default;
- private:
- NoDefaultNoCopy() = delete;
- NoDefaultNoCopy(const NoDefaultNoCopy& other) = delete;
- NoDefaultNoCopy& operator=(const NoDefaultNoCopy& other) = delete;
- int dummy_;
- };
- TEST(StatusOrTest, StatusUnknown) {
- StatusOr<std::string> statusor;
- EXPECT_FALSE(statusor.ok());
- EXPECT_EQ(absl::UnknownError(""), statusor.status());
- }
- TEST(StatusOrTest, CopyCtors) {
- NoDefault no_default(42);
- StatusOr<NoDefault> statusor(no_default);
- EXPECT_TRUE(statusor.ok());
- EXPECT_EQ(42, statusor.value().GetDummy());
- statusor = StatusOr<NoDefault>(no_default);
- EXPECT_TRUE(statusor.ok());
- EXPECT_EQ(42, statusor.value().GetDummy());
- }
- TEST(StatusOrTest, MoveCtors) {
- StatusOr<NoDefaultNoCopy> statusor(NoDefaultNoCopy(42));
- EXPECT_TRUE(statusor.ok());
- EXPECT_EQ(42, statusor.value().GetDummy());
- statusor = NoDefaultNoCopy(42);
- EXPECT_TRUE(statusor.ok());
- EXPECT_EQ(42, statusor.value().GetDummy());
- }
- TEST(StatusOrTest, DiesWithNotOkStatus) {
- StatusOr<NoDefault> statusor(absl::CancelledError(""));
- EXPECT_DEATH_IF_SUPPORTED(statusor.value(), "");
- }
- TEST(StatusOrTest, Pointers) {
- std::unique_ptr<NoDefault> no_default(new NoDefault(42));
- StatusOr<NoDefault*> statusor(no_default.get());
- EXPECT_TRUE(statusor.ok());
- EXPECT_EQ(42, statusor.value()->GetDummy());
- }
- TEST(StatusOrTest, TestStatusOrCopyCtors) {
- NoDefault no_default(42);
- StatusOr<NoDefault> statusor(no_default);
- StatusOr<NoDefault> statusor_wrap(statusor);
- EXPECT_TRUE(statusor_wrap.ok());
- EXPECT_EQ(42, statusor_wrap.value().GetDummy());
- }
- TEST(StatusOrTest, TestStatusOrCopyAssignment) {
- NoDefault no_default(42);
- StatusOr<NoDefault> statusor(no_default);
- StatusOr<NoDefault> statusor_wrap = statusor;
- EXPECT_TRUE(statusor_wrap.ok());
- EXPECT_EQ(42, statusor_wrap.value().GetDummy());
- }
- } // namespace
- } // namespace rlwe
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