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Infrastructure support to switch between unpadded and atomic JCTools …
…variants
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46 changes: 0 additions & 46 deletions
46
native-tests/src/test/java/io/smallrye/mutiny/nativetests/SmokeTest.java
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native-tests/src/test/java/io/smallrye/mutiny/nativetests/SmokeTests.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| package io.smallrye.mutiny.nativetests; | ||
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| import static org.junit.jupiter.api.Assertions.assertEquals; | ||
| import static org.junit.jupiter.api.Assertions.assertThrows; | ||
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| import java.time.Duration; | ||
| import java.util.Random; | ||
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| import org.junit.jupiter.api.Test; | ||
| import org.junit.jupiter.api.condition.EnabledInNativeImage; | ||
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| import io.smallrye.mutiny.Multi; | ||
| import io.smallrye.mutiny.helpers.test.AssertSubscriber; | ||
| import io.smallrye.mutiny.infrastructure.Infrastructure; | ||
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| public class SmokeTests { | ||
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| @Test | ||
| public void concatMap() { | ||
| AssertSubscriber<Integer> subscriber = AssertSubscriber.create(); | ||
| Multi.createFrom().range(1, 10_000) | ||
| .onItem().transformToMultiAndConcatenate(n -> Multi.createFrom().range(n + 2, n + 4)) | ||
| .subscribe().withSubscriber(subscriber); | ||
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| subscriber.request(5); | ||
| subscriber.assertItems(3, 4, 4, 5, 5); | ||
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| subscriber.request(Long.MAX_VALUE); | ||
| subscriber.assertCompleted(); | ||
| assertEquals(19998, subscriber.getItems().size()); | ||
| } | ||
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| @Test | ||
| @EnabledInNativeImage | ||
| public void emitterFailingInNative() { | ||
| assertThrows(ExceptionInInitializerError.class, this::emitterScenario); | ||
| } | ||
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| @Test | ||
| public void emitterWorkingInNative() { | ||
| runWithAtomicQueues(this::emitterScenario); | ||
| } | ||
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| private void runWithAtomicQueues(Runnable action) { | ||
| Infrastructure.setUseUnsafeForQueues(false); | ||
| try { | ||
| action.run(); | ||
| } finally { | ||
| Infrastructure.setUseUnsafeForQueues(true); | ||
| } | ||
| } | ||
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| private void emitterScenario() { | ||
| AssertSubscriber<Integer> subscriber = AssertSubscriber.create(); | ||
| Multi.createFrom().<Integer> emitter(emitter -> { | ||
| new Thread(() -> { | ||
| Random random = new Random(); | ||
| for (int i = 0; i < 10_000; i++) { | ||
| emitter.emit(random.nextInt()); | ||
| } | ||
| emitter.complete(); | ||
| }).start(); | ||
| }).subscribe().withSubscriber(subscriber); | ||
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| subscriber.request(Long.MAX_VALUE); | ||
| subscriber.awaitCompletion(); | ||
| assertEquals(10_000, subscriber.getItems().size()); | ||
| } | ||
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| @Test | ||
| @EnabledInNativeImage | ||
| public void overflowFailingInNative() { | ||
| assertThrows(NoClassDefFoundError.class, this::overflowScenario); | ||
| } | ||
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| @Test | ||
| public void overflowWorkingInNative() { | ||
| runWithAtomicQueues(this::overflowScenario); | ||
| } | ||
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| private void overflowScenario() { | ||
| AssertSubscriber<Long> subscriber = Multi.createFrom().ticks().every(Duration.ofMillis(10)) | ||
| .onOverflow().bufferUnconditionally() | ||
| .subscribe().withSubscriber(AssertSubscriber.create(5)); | ||
| try { | ||
| Thread.sleep(500); | ||
| } catch (InterruptedException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| subscriber.cancel(); | ||
| } | ||
| } |