Files
nearby/cpp/platform/settable_future_test.cc
T
Alexey Polyudov 4baa1ce96a Roll forward to cl/314747126
Signed-off-by: Alexey Polyudov <apolyudov@google.com>
Change-Id: Ie19e006429b138b3768e97dae971a43fdc5ef8bf
2020-06-04 13:50:45 -07:00

99 lines
2.8 KiB
C++

// 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
//
// https://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 "platform/api/settable_future.h"
#include "platform/api/platform.h"
#include "platform/ptr.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
namespace location {
namespace nearby {
namespace {
enum TestEnum {
kValue1 = 1,
kValue2 = 2,
};
enum class ScopedTestEnum {
kValue1 = 1,
kValue2 = 2,
};
struct BigSizedStruct {
int data[100]{};
};
bool operator==(const BigSizedStruct& a, const BigSizedStruct& b) {
return memcmp(a.data, b.data, sizeof(BigSizedStruct::data)) == 0;
}
bool operator!=(const BigSizedStruct& a, const BigSizedStruct& b) {
return !(a == b);
}
} // namespace
TEST(SettableFutureTest, SupportIntegralTypes) {
auto p = platform::ImplementationPlatform::createSettableFuture<int>();
p->set(5);
ASSERT_EQ(p->get().exception(), Exception::kSuccess);
ASSERT_EQ(p->get().result(), 5);
}
TEST(SettableFutureTest, SetExceptionIsPropagated) {
auto p = platform::ImplementationPlatform::createSettableFuture<int>();
p->setException({Exception::kIo});
ASSERT_EQ(p->get().exception(), Exception::kIo);
}
TEST(SettableFutureTest, SupportEnum) {
auto p = platform::ImplementationPlatform::createSettableFuture<TestEnum>();
p->set(TestEnum::kValue1);
ASSERT_EQ(p->get().exception(), Exception::kSuccess);
ASSERT_EQ(p->get().result(), TestEnum::kValue1);
}
TEST(SettableFutureTest, SupportScopedEnum) {
auto p =
platform::ImplementationPlatform::createSettableFuture<ScopedTestEnum>();
p->set(ScopedTestEnum::kValue1);
ASSERT_EQ(p->get().exception(), Exception::kSuccess);
ASSERT_EQ(p->get().result(), ScopedTestEnum::kValue1);
}
TEST(SettableFutureTest, SetTakesCopyOfValue) {
// Default constructor is zero-initalizing all data in BigSizedStruct.
BigSizedStruct v1;
auto p = platform::ImplementationPlatform::createSettableFuture<
BigSizedStruct>();
v1.data[0] = 5; // Changing value before calling set() will affect stored
v1.data[7] = 3; // value.
p->set(v1);
v1.data[1] = 6; // Changing value after calling set() will not affect stored
v1.data[5] = 4; // value.
ASSERT_EQ(p->get().exception(), Exception::kSuccess);
BigSizedStruct v2 = p->get().result();
ASSERT_NE(v1, v2);
v1.data[1] = 0;
v1.data[5] = 0;
ASSERT_EQ(v2, v1);
}
} // namespace nearby
} // namespace location