Merge branch '6.0.x'

spring-context/src/test/java/org/springframework/scheduling/concurrent/AbstractSchedulingTaskExecutorTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -58,7 +58,7 @@ abstract class AbstractSchedulingTaskExecutorTests {
 
 
 	@BeforeEach
-	void setUp(TestInfo testInfo) {
+	void setup(TestInfo testInfo) {
 		this.testName = testInfo.getTestMethod().get().getName();
 		this.threadNamePrefix = this.testName + "-";
 		this.executor = buildExecutor();
@@ -88,11 +88,11 @@ abstract class AbstractSchedulingTaskExecutorTests {
 		TestTask task = new TestTask(this.testName, 0);
 		executor.execute(task);
 		Awaitility.await()
-			.dontCatchUncaughtExceptions()
-			.atMost(1, TimeUnit.SECONDS)
-			.pollInterval(10, TimeUnit.MILLISECONDS)
-			.until(() -> task.exception.get() != null && task.exception.get().getMessage().equals(
-				"TestTask failure for test 'executeFailingRunnable': expectedRunCount:<0>, actualRunCount:<1>"));
+				.dontCatchUncaughtExceptions()
+				.atMost(1, TimeUnit.SECONDS)
+				.pollInterval(10, TimeUnit.MILLISECONDS)
+				.until(() -> task.exception.get() != null && task.exception.get().getMessage().equals(
+						"TestTask failure for test 'executeFailingRunnable': expectedRunCount:<0>, actualRunCount:<1>"));
 	}
 
 	@Test
@@ -105,7 +105,7 @@ abstract class AbstractSchedulingTaskExecutorTests {
 	}
 
 	@Test
-	void submitFailingRunnable() throws Exception {
+	void submitFailingRunnable() {
 		TestTask task = new TestTask(this.testName, 0);
 		Future<?> future = executor.submit(task);
 		assertThatExceptionOfType(ExecutionException.class).isThrownBy(() ->
@@ -126,61 +126,61 @@ abstract class AbstractSchedulingTaskExecutorTests {
 
 	@Test
 	@SuppressWarnings("deprecation")
-	void submitListenableRunnable() throws Exception {
+	void submitListenableRunnable() {
 		TestTask task = new TestTask(this.testName, 1);
 		// Act
 		org.springframework.util.concurrent.ListenableFuture<?> future = executor.submitListenable(task);
 		future.addCallback(result -> outcome = result, ex -> outcome = ex);
 		// Assert
 		Awaitility.await()
-					.atMost(1, TimeUnit.SECONDS)
-					.pollInterval(10, TimeUnit.MILLISECONDS)
-					.until(future::isDone);
+				.atMost(1, TimeUnit.SECONDS)
+				.pollInterval(10, TimeUnit.MILLISECONDS)
+				.until(future::isDone);
 		assertThat(outcome).isNull();
 		assertThreadNamePrefix(task);
 	}
 
 	@Test
-	void submitCompletableRunnable() throws Exception {
+	void submitCompletableRunnable() {
 		TestTask task = new TestTask(this.testName, 1);
 		// Act
 		CompletableFuture<Void> future = executor.submitCompletable(task);
 		future.whenComplete(this::storeOutcome);
 		// Assert
 		Awaitility.await()
-					.atMost(1, TimeUnit.SECONDS)
-					.pollInterval(10, TimeUnit.MILLISECONDS)
-					.until(future::isDone);
+				.atMost(1, TimeUnit.SECONDS)
+				.pollInterval(10, TimeUnit.MILLISECONDS)
+				.until(future::isDone);
 		assertThat(outcome).isNull();
 		assertThreadNamePrefix(task);
 	}
 
 	@Test
 	@SuppressWarnings("deprecation")
-	void submitFailingListenableRunnable() throws Exception {
+	void submitFailingListenableRunnable() {
 		TestTask task = new TestTask(this.testName, 0);
 		org.springframework.util.concurrent.ListenableFuture<?> future = executor.submitListenable(task);
 		future.addCallback(result -> outcome = result, ex -> outcome = ex);
 
 		Awaitility.await()
-					.dontCatchUncaughtExceptions()
-					.atMost(1, TimeUnit.SECONDS)
-					.pollInterval(10, TimeUnit.MILLISECONDS)
-					.until(() -> future.isDone() && outcome != null);
+				.dontCatchUncaughtExceptions()
+				.atMost(1, TimeUnit.SECONDS)
+				.pollInterval(10, TimeUnit.MILLISECONDS)
+				.until(() -> future.isDone() && outcome != null);
 		assertThat(outcome.getClass()).isSameAs(RuntimeException.class);
 	}
 
 	@Test
-	void submitFailingCompletableRunnable() throws Exception {
+	void submitFailingCompletableRunnable() {
 		TestTask task = new TestTask(this.testName, 0);
 		CompletableFuture<?> future = executor.submitCompletable(task);
 		future.whenComplete(this::storeOutcome);
 
 		Awaitility.await()
-					.dontCatchUncaughtExceptions()
-					.atMost(1, TimeUnit.SECONDS)
-					.pollInterval(10, TimeUnit.MILLISECONDS)
-					.until(() -> future.isDone() && outcome != null);
+				.dontCatchUncaughtExceptions()
+				.atMost(1, TimeUnit.SECONDS)
+				.pollInterval(10, TimeUnit.MILLISECONDS)
+				.until(() -> future.isDone() && outcome != null);
 		assertThat(outcome.getClass()).isSameAs(CompletionException.class);
 	}
 
@@ -195,14 +195,13 @@ abstract class AbstractSchedulingTaskExecutorTests {
 			future1.get(1000, TimeUnit.MILLISECONDS);
 		}
 		catch (Exception ex) {
-			/* ignore */
+			// ignore
 		}
 		Awaitility.await()
-			.atMost(4, TimeUnit.SECONDS)
-			.pollInterval(10, TimeUnit.MILLISECONDS)
-			.untilAsserted(() ->
-				assertThatExceptionOfType(CancellationException.class).isThrownBy(() ->
-					future2.get(1000, TimeUnit.MILLISECONDS)));
+				.atMost(4, TimeUnit.SECONDS)
+				.pollInterval(10, TimeUnit.MILLISECONDS)
+				.untilAsserted(() -> assertThatExceptionOfType(CancellationException.class)
+						.isThrownBy(() -> future2.get(1000, TimeUnit.MILLISECONDS)));
 	}
 
 	@Test
@@ -215,14 +214,13 @@ abstract class AbstractSchedulingTaskExecutorTests {
 			future1.get(1000, TimeUnit.MILLISECONDS);
 		}
 		catch (Exception ex) {
-			/* ignore */
+			// ignore
 		}
 		Awaitility.await()
-			.atMost(4, TimeUnit.SECONDS)
-			.pollInterval(10, TimeUnit.MILLISECONDS)
-			.untilAsserted(() ->
-				assertThatExceptionOfType(TimeoutException.class)
-					.isThrownBy(() -> future2.get(1000, TimeUnit.MILLISECONDS)));
+				.atMost(4, TimeUnit.SECONDS)
+				.pollInterval(10, TimeUnit.MILLISECONDS)
+				.untilAsserted(() -> assertThatExceptionOfType(TimeoutException.class)
+						.isThrownBy(() -> future2.get(1000, TimeUnit.MILLISECONDS)));
 	}
 
 	@Test
@@ -234,11 +232,11 @@ abstract class AbstractSchedulingTaskExecutorTests {
 	}
 
 	@Test
-	void submitFailingCallable() throws Exception {
+	void submitFailingCallable() {
 		TestCallable task = new TestCallable(this.testName, 0);
 		Future<String> future = executor.submit(task);
 		assertThatExceptionOfType(ExecutionException.class)
-			.isThrownBy(() -> future.get(1000, TimeUnit.MILLISECONDS));
+				.isThrownBy(() -> future.get(1000, TimeUnit.MILLISECONDS));
 		assertThat(future.isDone()).isTrue();
 	}
 
@@ -252,44 +250,43 @@ abstract class AbstractSchedulingTaskExecutorTests {
 			future1.get(1000, TimeUnit.MILLISECONDS);
 		}
 		catch (Exception ex) {
-			/* ignore */
+			// ignore
 		}
 		Awaitility.await()
-			.atMost(4, TimeUnit.SECONDS)
-			.pollInterval(10, TimeUnit.MILLISECONDS)
-			.untilAsserted(() ->
-				assertThatExceptionOfType(CancellationException.class)
-					.isThrownBy(() -> future2.get(1000, TimeUnit.MILLISECONDS)));
+				.atMost(4, TimeUnit.SECONDS)
+				.pollInterval(10, TimeUnit.MILLISECONDS)
+				.untilAsserted(() -> assertThatExceptionOfType(CancellationException.class)
+						.isThrownBy(() -> future2.get(1000, TimeUnit.MILLISECONDS)));
 	}
 
 	@Test
 	@SuppressWarnings("deprecation")
-	void submitListenableCallable() throws Exception {
+	void submitListenableCallable() {
 		TestCallable task = new TestCallable(this.testName, 1);
 		// Act
 		org.springframework.util.concurrent.ListenableFuture<String> future = executor.submitListenable(task);
 		future.addCallback(result -> outcome = result, ex -> outcome = ex);
 		// Assert
 		Awaitility.await()
-					.atMost(1, TimeUnit.SECONDS)
-					.pollInterval(10, TimeUnit.MILLISECONDS)
-					.until(() -> future.isDone() && outcome != null);
+				.atMost(1, TimeUnit.SECONDS)
+				.pollInterval(10, TimeUnit.MILLISECONDS)
+				.until(() -> future.isDone() && outcome != null);
 		assertThat(outcome.toString().substring(0, this.threadNamePrefix.length())).isEqualTo(this.threadNamePrefix);
 	}
 
 	@Test
 	@SuppressWarnings("deprecation")
-	void submitFailingListenableCallable() throws Exception {
+	void submitFailingListenableCallable() {
 		TestCallable task = new TestCallable(this.testName, 0);
 		// Act
 		org.springframework.util.concurrent.ListenableFuture<String> future = executor.submitListenable(task);
 		future.addCallback(result -> outcome = result, ex -> outcome = ex);
 		// Assert
 		Awaitility.await()
-					.dontCatchUncaughtExceptions()
-					.atMost(1, TimeUnit.SECONDS)
-					.pollInterval(10, TimeUnit.MILLISECONDS)
-					.until(() -> future.isDone() && outcome != null);
+				.dontCatchUncaughtExceptions()
+				.atMost(1, TimeUnit.SECONDS)
+				.pollInterval(10, TimeUnit.MILLISECONDS)
+				.until(() -> future.isDone() && outcome != null);
 		assertThat(outcome.getClass()).isSameAs(RuntimeException.class);
 	}
 
@@ -306,31 +303,31 @@ abstract class AbstractSchedulingTaskExecutorTests {
 	}
 
 	@Test
-	void submitCompletableCallable() throws Exception {
+	void submitCompletableCallable() {
 		TestCallable task = new TestCallable(this.testName, 1);
 		// Act
 		CompletableFuture<String> future = this.executor.submitCompletable(task);
 		future.whenComplete(this::storeOutcome);
 		// Assert
 		Awaitility.await()
-					.atMost(1, TimeUnit.SECONDS)
-					.pollInterval(10, TimeUnit.MILLISECONDS)
-					.until(() -> future.isDone() && outcome != null);
+				.atMost(1, TimeUnit.SECONDS)
+				.pollInterval(10, TimeUnit.MILLISECONDS)
+				.until(() -> future.isDone() && outcome != null);
 		assertThat(outcome.toString().substring(0, this.threadNamePrefix.length())).isEqualTo(this.threadNamePrefix);
 	}
 
 	@Test
-	void submitFailingCompletableCallable() throws Exception {
+	void submitFailingCompletableCallable() {
 		TestCallable task = new TestCallable(this.testName, 0);
 		// Act
 		CompletableFuture<String> future = this.executor.submitCompletable(task);
 		future.whenComplete(this::storeOutcome);
 		// Assert
 		Awaitility.await()
-					.dontCatchUncaughtExceptions()
-					.atMost(1, TimeUnit.SECONDS)
-					.pollInterval(10, TimeUnit.MILLISECONDS)
-					.until(() -> future.isDone() && outcome != null);
+				.dontCatchUncaughtExceptions()
+				.atMost(1, TimeUnit.SECONDS)
+				.pollInterval(10, TimeUnit.MILLISECONDS)
+				.until(() -> future.isDone() && outcome != null);
 		assertThat(outcome.getClass()).isSameAs(CompletionException.class);
 	}
 
@@ -355,8 +352,6 @@ abstract class AbstractSchedulingTaskExecutorTests {
 		}
 	}
 
-
-
 	protected void assertThreadNamePrefix(TestTask task) {
 		assertThat(task.lastThread.getName().substring(0, this.threadNamePrefix.length())).isEqualTo(this.threadNamePrefix);
 	}
@@ -406,8 +401,9 @@ abstract class AbstractSchedulingTaskExecutorTests {
 			}
 			if (expectedRunCount >= 0) {
 				if (actualRunCount.incrementAndGet() > expectedRunCount) {
-					RuntimeException exception = new RuntimeException(String.format("%s failure for test '%s': expectedRunCount:<%d>, actualRunCount:<%d>",
-						getClass().getSimpleName(), this.testName, expectedRunCount, actualRunCount.get()));
+					RuntimeException exception = new RuntimeException(String.format(
+							"%s failure for test '%s': expectedRunCount:<%d>, actualRunCount:<%d>",
+							getClass().getSimpleName(), this.testName, expectedRunCount, actualRunCount.get()));
 					this.exception.set(exception);
 					throw exception;
 				}
@@ -439,8 +435,9 @@ abstract class AbstractSchedulingTaskExecutorTests {
 			}
 			if (expectedRunCount >= 0) {
 				if (actualRunCount.incrementAndGet() > expectedRunCount) {
-					throw new RuntimeException(String.format("%s failure for test '%s': expectedRunCount:<%d>, actualRunCount:<%d>",
-						getClass().getSimpleName(), this.testName, expectedRunCount, actualRunCount.get()));
+					throw new RuntimeException(String.format(
+							"%s failure for test '%s': expectedRunCount:<%d>, actualRunCount:<%d>",
+							getClass().getSimpleName(), this.testName, expectedRunCount, actualRunCount.get()));
 				}
 			}
 			return Thread.currentThread().getName();

spring-context/src/test/java/org/springframework/scheduling/concurrent/ConcurrentTaskExecutorTests.java

@@ -92,19 +92,24 @@ class ConcurrentTaskExecutorTests extends AbstractSchedulingTaskExecutorTests {
 
 
 	private static class DecoratedRunnable implements Runnable {
+
 		@Override
 		public void run() {
 		}
 	}
 
+
 	private static class RunnableDecorator implements TaskDecorator {
+
 		@Override
 		public Runnable decorate(Runnable runnable) {
 			return new DecoratedRunnable();
 		}
 	}
 
+
 	private static class DecoratedExecutor implements Executor {
+
 		@Override
 		public void execute(Runnable command) {
 			Assert.state(command instanceof DecoratedRunnable, "TaskDecorator not applied");

spring-context/src/test/java/org/springframework/scheduling/concurrent/ScheduledExecutorFactoryBeanTests.java

@@ -41,14 +41,14 @@ import static org.springframework.core.testfixture.TestGroup.LONG_RUNNING;
 class ScheduledExecutorFactoryBeanTests {
 
 	@Test
-	void throwsExceptionIfPoolSizeIsLessThanZero() throws Exception {
+	void throwsExceptionIfPoolSizeIsLessThanZero() {
 		ScheduledExecutorFactoryBean factory = new ScheduledExecutorFactoryBean();
 		assertThatIllegalArgumentException().isThrownBy(() -> factory.setPoolSize(-1));
 	}
 
 	@Test
 	@SuppressWarnings("serial")
-	void shutdownNowIsPropagatedToTheExecutorOnDestroy() throws Exception {
+	void shutdownNowIsPropagatedToTheExecutorOnDestroy() {
 		final ScheduledExecutorService executor = mock();
 
 		ScheduledExecutorFactoryBean factory = new ScheduledExecutorFactoryBean() {
@@ -66,7 +66,7 @@ class ScheduledExecutorFactoryBeanTests {
 
 	@Test
 	@SuppressWarnings("serial")
-	void shutdownIsPropagatedToTheExecutorOnDestroy() throws Exception {
+	void shutdownIsPropagatedToTheExecutorOnDestroy() {
 		final ScheduledExecutorService executor = mock();
 
 		ScheduledExecutorFactoryBean factory = new ScheduledExecutorFactoryBean() {
@@ -85,7 +85,7 @@ class ScheduledExecutorFactoryBeanTests {
 
 	@Test
 	@EnabledForTestGroups(LONG_RUNNING)
-	void oneTimeExecutionIsSetUpAndFiresCorrectly() throws Exception {
+	void oneTimeExecutionIsSetUpAndFiresCorrectly() {
 		Runnable runnable = mock();
 
 		ScheduledExecutorFactoryBean factory = new ScheduledExecutorFactoryBean();
@@ -99,7 +99,7 @@ class ScheduledExecutorFactoryBeanTests {
 
 	@Test
 	@EnabledForTestGroups(LONG_RUNNING)
-	void fixedRepeatedExecutionIsSetUpAndFiresCorrectly() throws Exception {
+	void fixedRepeatedExecutionIsSetUpAndFiresCorrectly() {
 		Runnable runnable = mock();
 
 		ScheduledExecutorTask task = new ScheduledExecutorTask(runnable);
@@ -117,7 +117,7 @@ class ScheduledExecutorFactoryBeanTests {
 
 	@Test
 	@EnabledForTestGroups(LONG_RUNNING)
-	void fixedRepeatedExecutionIsSetUpAndFiresCorrectlyAfterException() throws Exception {
+	void fixedRepeatedExecutionIsSetUpAndFiresCorrectlyAfterException() {
 		Runnable runnable = mock();
 		willThrow(new IllegalStateException()).given(runnable).run();
 
@@ -137,7 +137,7 @@ class ScheduledExecutorFactoryBeanTests {
 
 	@Test
 	@EnabledForTestGroups(LONG_RUNNING)
-	void withInitialDelayRepeatedExecutionIsSetUpAndFiresCorrectly() throws Exception {
+	void withInitialDelayRepeatedExecutionIsSetUpAndFiresCorrectly() {
 		Runnable runnable = mock();
 
 		ScheduledExecutorTask task = new ScheduledExecutorTask(runnable);
@@ -157,7 +157,7 @@ class ScheduledExecutorFactoryBeanTests {
 
 	@Test
 	@EnabledForTestGroups(LONG_RUNNING)
-	void withInitialDelayRepeatedExecutionIsSetUpAndFiresCorrectlyAfterException() throws Exception {
+	void withInitialDelayRepeatedExecutionIsSetUpAndFiresCorrectlyAfterException() {
 		Runnable runnable = mock();
 		willThrow(new IllegalStateException()).given(runnable).run();
 
@@ -179,7 +179,7 @@ class ScheduledExecutorFactoryBeanTests {
 
 	@Test
 	@SuppressWarnings("serial")
-	void settingThreadFactoryToNullForcesUseOfDefaultButIsOtherwiseCool() throws Exception {
+	void settingThreadFactoryToNullForcesUseOfDefaultButIsOtherwiseCool() {
 		ScheduledExecutorFactoryBean factory = new ScheduledExecutorFactoryBean() {
 			@Override
 			protected ScheduledExecutorService createExecutor(int poolSize, ThreadFactory threadFactory, RejectedExecutionHandler rejectedExecutionHandler) {
@@ -197,7 +197,7 @@ class ScheduledExecutorFactoryBeanTests {
 
 	@Test
 	@SuppressWarnings("serial")
-	void settingRejectedExecutionHandlerToNullForcesUseOfDefaultButIsOtherwiseCool() throws Exception {
+	void settingRejectedExecutionHandlerToNullForcesUseOfDefaultButIsOtherwiseCool() {
 		ScheduledExecutorFactoryBean factory = new ScheduledExecutorFactoryBean() {
 			@Override
 			protected ScheduledExecutorService createExecutor(int poolSize, ThreadFactory threadFactory, RejectedExecutionHandler rejectedExecutionHandler) {
@@ -211,7 +211,7 @@ class ScheduledExecutorFactoryBeanTests {
 	}
 
 	@Test
-	void objectTypeReportsCorrectType() throws Exception {
+	void objectTypeReportsCorrectType() {
 		ScheduledExecutorFactoryBean factory = new ScheduledExecutorFactoryBean();
 		assertThat(factory.getObjectType()).isEqualTo(ScheduledExecutorService.class);
 	}

spring-context/src/test/java/org/springframework/scheduling/concurrent/ThreadPoolTaskExecutorTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -24,8 +24,8 @@ import java.util.concurrent.TimeUnit;
 import org.junit.jupiter.api.Test;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
 import static org.assertj.core.api.Assertions.assertThatIllegalStateException;
-import static org.assertj.core.api.Assertions.assertThatThrownBy;
 import static org.assertj.core.api.InstanceOfAssertFactories.type;
 
 /**
@@ -66,8 +66,7 @@ class ThreadPoolTaskExecutorTests extends AbstractSchedulingTaskExecutorTests {
 		assertThat(executor.getCorePoolSize()).isEqualTo(1);
 		assertThat(executor.getThreadPoolExecutor().getCorePoolSize()).isEqualTo(1);
 
-		assertThatThrownBy(() -> executor.setCorePoolSize(-1))
-				.isInstanceOf(IllegalArgumentException.class);
+		assertThatIllegalArgumentException().isThrownBy(() -> executor.setCorePoolSize(-1));
 
 		assertThat(executor.getCorePoolSize()).isEqualTo(1);
 		assertThat(executor.getThreadPoolExecutor().getCorePoolSize()).isEqualTo(1);
@@ -89,8 +88,7 @@ class ThreadPoolTaskExecutorTests extends AbstractSchedulingTaskExecutorTests {
 		assertThat(executor.getMaxPoolSize()).isEqualTo(1);
 		assertThat(executor.getThreadPoolExecutor().getMaximumPoolSize()).isEqualTo(1);
 
-		assertThatThrownBy(() -> executor.setMaxPoolSize(0))
-				.isInstanceOf(IllegalArgumentException.class);
+		assertThatIllegalArgumentException().isThrownBy(() -> executor.setMaxPoolSize(0));
 
 		assertThat(executor.getMaxPoolSize()).isEqualTo(1);
 		assertThat(executor.getThreadPoolExecutor().getMaximumPoolSize()).isEqualTo(1);
@@ -112,8 +110,7 @@ class ThreadPoolTaskExecutorTests extends AbstractSchedulingTaskExecutorTests {
 		assertThat(executor.getKeepAliveSeconds()).isEqualTo(60);
 		assertThat(executor.getThreadPoolExecutor().getKeepAliveTime(TimeUnit.SECONDS)).isEqualTo(60);
 
-		assertThatThrownBy(() -> executor.setKeepAliveSeconds(-10))
-				.isInstanceOf(IllegalArgumentException.class);
+		assertThatIllegalArgumentException().isThrownBy(() -> executor.setKeepAliveSeconds(-10));
 
 		assertThat(executor.getKeepAliveSeconds()).isEqualTo(60);
 		assertThat(executor.getThreadPoolExecutor().getKeepAliveTime(TimeUnit.SECONDS)).isEqualTo(60);
@@ -123,8 +120,8 @@ class ThreadPoolTaskExecutorTests extends AbstractSchedulingTaskExecutorTests {
 	void queueCapacityDefault() {
 		assertThat(executor.getQueueCapacity()).isEqualTo(Integer.MAX_VALUE);
 		assertThat(executor.getThreadPoolExecutor().getQueue())
-			.asInstanceOf(type(LinkedBlockingQueue.class))
-			.extracting(BlockingQueue::remainingCapacity).isEqualTo(Integer.MAX_VALUE);
+				.asInstanceOf(type(LinkedBlockingQueue.class))
+				.extracting(BlockingQueue::remainingCapacity).isEqualTo(Integer.MAX_VALUE);
 	}
 
 	@Test
@@ -134,8 +131,8 @@ class ThreadPoolTaskExecutorTests extends AbstractSchedulingTaskExecutorTests {
 
 		assertThat(executor.getQueueCapacity()).isZero();
 		assertThat(executor.getThreadPoolExecutor().getQueue())
-			.asInstanceOf(type(SynchronousQueue.class))
-			.extracting(BlockingQueue::remainingCapacity).isEqualTo(0);
+				.asInstanceOf(type(SynchronousQueue.class))
+				.extracting(BlockingQueue::remainingCapacity).isEqualTo(0);
 	}
 
 	@Test