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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 v8_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 v8_crdtp
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