mirror of
https://github.com/kidfromjupiter/nearby.git
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96 lines
3.1 KiB
Plaintext
96 lines
3.1 KiB
Plaintext
// 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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#import <XCTest/XCTest.h>
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#include <utility>
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#include "absl/time/time.h"
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#include "internal/platform/implementation/cancelable.h"
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#include "internal/platform/implementation/executor.h"
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#include "internal/platform/implementation/platform.h"
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#include "internal/platform/implementation/submittable_executor.h"
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#include "internal/platform/runnable.h"
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using ::nearby::Runnable;
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using ::nearby::api::ImplementationPlatform;
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using SingleThreadExecutor = ::nearby::api::SubmittableExecutor;
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@interface GNCSingleThreadExecutorTest : XCTestCase
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@property(atomic) int counter;
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@end
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@implementation GNCSingleThreadExecutorTest
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// Creates a SingleThreadExecutor.
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- (std::unique_ptr<SingleThreadExecutor>)executor {
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std::unique_ptr<SingleThreadExecutor> executor =
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ImplementationPlatform::CreateSingleThreadExecutor();
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XCTAssert(executor != nullptr);
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return executor;
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}
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// Tests that the executor executes runnables as expected.
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- (void)testRunnables {
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std::unique_ptr<SingleThreadExecutor> executor([self executor]);
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// Schedule two runnables that increment the counter.
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executor->Execute([self]() { self.counter++; });
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executor->Execute([self]() { self.counter++; });
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// Check that the counter has the expected value after a moment.
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[NSThread sleepForTimeInterval:0.01];
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XCTAssertEqual(self.counter, 2);
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}
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// Tests that fails to execute when the executor is shut down.
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- (void)testShutdownBeforeInvokeTask {
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std::unique_ptr<SingleThreadExecutor> executor([self executor]);
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executor->Shutdown();
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dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_TARGET_QUEUE_DEFAULT, 0);
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XCTestExpectation *expectation = [self expectationWithDescription:@"finished"];
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executor->Execute([self]() { self.counter++; });
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dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.2 * NSEC_PER_SEC)), queue, ^{
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XCTAssertEqual(self.counter, 0);
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[expectation fulfill];
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});
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[self waitForExpectationsWithTimeout:0.5 handler:nil];
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}
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// Tests that shutting down an existing task allows to complete.
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- (void)testShutdownToAllowExistingTaskComplete {
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std::unique_ptr<SingleThreadExecutor> executor([self executor]);
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dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_TARGET_QUEUE_DEFAULT, 0);
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XCTestExpectation *expectation = [self expectationWithDescription:@"finished"];
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executor->Execute([self]() { self.counter++; });
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executor->Shutdown();
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dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.2 * NSEC_PER_SEC)), queue, ^{
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XCTAssertEqual(self.counter, 1);
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[expectation fulfill];
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});
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[self waitForExpectationsWithTimeout:0.5 handler:nil];
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}
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@end
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