mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-14 22:56:12 -04:00
Alexey Polyudov
c3a89bb894
Signed-off-by: Alexey Polyudov <apolyudov@google.com> Change-Id: I8ca8ef4727e289f3c6ea62ad73008ad718096e5d
91 lines
3.1 KiB
C++
91 lines
3.1 KiB
C++
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "platform/exception.h"
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#include <vector>
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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namespace location::nearby {
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TEST(ExceptionOr, Result_Copy_NonConst) {
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ExceptionOr<std::vector<int>> exception_or_vector({1, 2, 3});
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EXPECT_FALSE(exception_or_vector.result().empty());
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// Expect a copy when not explicitly moving the result.
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std::vector<int> copy = exception_or_vector.result();
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EXPECT_FALSE(copy.empty());
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EXPECT_FALSE(exception_or_vector.result().empty());
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// Modifying |exception_or_vector| should not affect the copy.
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exception_or_vector.result().clear();
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EXPECT_FALSE(copy.empty());
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}
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TEST(ExceptionOr, Result_Copy_Const) {
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const ExceptionOr<std::vector<int>> exception_or_vector({1, 2, 3});
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EXPECT_FALSE(exception_or_vector.result().empty());
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// Expect a copy when not explicitly moving the result.
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std::vector<int> copy = exception_or_vector.result();
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EXPECT_FALSE(copy.empty());
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EXPECT_FALSE(exception_or_vector.result().empty());
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}
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TEST(ExceptionOr, Result_Reference_NonConst) {
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ExceptionOr<std::vector<int>> exception_or_vector({1, 2, 3});
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EXPECT_FALSE(exception_or_vector.result().empty());
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// Getting a reference should not modify the source.
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std::vector<int>& reference = exception_or_vector.result();
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EXPECT_FALSE(reference.empty());
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EXPECT_FALSE(exception_or_vector.result().empty());
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// Modifying |exception_or_vector| should reflect in the reference.
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exception_or_vector.result().clear();
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EXPECT_TRUE(reference.empty());
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}
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TEST(ExceptionOr, Result_Reference_Const) {
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const ExceptionOr<std::vector<int>> exception_or_vector({1, 2, 3});
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EXPECT_FALSE(exception_or_vector.result().empty());
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// Getting a reference should not modify the source.
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const std::vector<int>& reference = exception_or_vector.result();
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EXPECT_FALSE(reference.empty());
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EXPECT_FALSE(exception_or_vector.result().empty());
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}
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TEST(ExceptionOr, Result_Move_NonConst) {
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ExceptionOr<std::vector<int>> exception_or_vector({1, 2, 3});
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ASSERT_FALSE(exception_or_vector.result().empty());
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// Moving the result should clear the source.
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std::vector<int> moved = std::move(exception_or_vector).result();
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ASSERT_FALSE(moved.empty());
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}
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TEST(ExceptionOr, Result_Move_Const) {
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const ExceptionOr<std::vector<int>> exception_or_vector({1, 2, 3});
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ASSERT_FALSE(exception_or_vector.result().empty());
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// Moving const rvalue reference will result in a copy.
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std::vector<int> moved = std::move(exception_or_vector).result();
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ASSERT_FALSE(moved.empty());
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}
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} // namespace location::nearby
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