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- // Copyright 2019 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "maybe.h"
- #include <string>
- #include <vector>
- #include "test_platform.h"
- namespace crdtp {
- // =============================================================================
- // detail::PtrMaybe, detail::ValueMaybe, templates for optional
- // pointers / values which are used in ../lib/Forward_h.template.
- // =============================================================================
- TEST(PtrMaybeTest, SmokeTest) {
- detail::PtrMaybe<std::vector<uint32_t>> example;
- EXPECT_FALSE(example.isJust());
- EXPECT_TRUE(nullptr == example.fromMaybe(nullptr));
- std::unique_ptr<std::vector<uint32_t>> v(new std::vector<uint32_t>);
- v->push_back(42);
- v->push_back(21);
- example = std::move(v);
- EXPECT_TRUE(example.isJust());
- EXPECT_THAT(*example.fromJust(), testing::ElementsAre(42, 21));
- std::unique_ptr<std::vector<uint32_t>> out = example.takeJust();
- EXPECT_FALSE(example.isJust());
- EXPECT_THAT(*out, testing::ElementsAre(42, 21));
- }
- TEST(PtrValueTest, SmokeTest) {
- detail::ValueMaybe<int32_t> example;
- EXPECT_FALSE(example.isJust());
- EXPECT_EQ(-1, example.fromMaybe(-1));
- example = 42;
- EXPECT_TRUE(example.isJust());
- EXPECT_EQ(42, example.fromJust());
- int32_t out = example.takeJust();
- EXPECT_EQ(out, 42);
- }
- } // namespace crdtp
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