mirror of
https://github.com/kidfromjupiter/nearby.git
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54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
// Copyright 2021 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 "internal/test/fake_clock.h"
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#include "gmock/gmock.h"
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#include "protobuf-matchers/protocol-buffer-matchers.h"
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#include "gtest/gtest.h"
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namespace nearby {
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namespace {
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TEST(FakeClock, TestGetCurrentTime) {
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FakeClock clock;
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EXPECT_GT(absl::ToUnixNanos(clock.Now()), 0);
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}
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TEST(FakeClock, TestFastForward) {
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FakeClock clock;
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absl::Time time1 = clock.Now();
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clock.FastForward(absl::Nanoseconds(1500));
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absl::Time time2 = clock.Now();
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EXPECT_EQ(absl::ToUnixNanos(time1) + 1500, absl::ToUnixNanos(time2));
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EXPECT_EQ(clock.GetObserversCount(), 0);
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}
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TEST(FakeClock, TestObserver) {
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FakeClock clock;
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int count = 0;
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auto observer = [&count]() { count++; };
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clock.AddObserver("test", observer);
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clock.FastForward(absl::Nanoseconds(1500));
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EXPECT_EQ(count, 1);
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clock.FastForward(absl::Nanoseconds(1500));
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EXPECT_EQ(count, 2);
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clock.RemoveObserver("test");
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clock.FastForward(absl::Nanoseconds(1500));
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EXPECT_EQ(count, 2);
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}
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} // namespace
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} // namespace nearby
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