package org.multiverse.commitbarriers;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.multiverse.TestThread;
import static org.junit.Assert.*;
import static org.multiverse.TestUtils.*;
import static org.multiverse.api.TxnThreadLocal.clearThreadLocalTxn;
public class CountDownCommitBarrier_awaitOpenTest {
private CountDownCommitBarrier barrier;
@Before
public void setUp() {
clearThreadLocalTxn();
clearCurrentThreadInterruptedStatus();
}
@After
public void tearDown() {
clearCurrentThreadInterruptedStatus();
}
@Test
public void whenStartInterrupted_thenInterruptedException() {
barrier = new CountDownCommitBarrier(1);
Thread.currentThread().interrupt();
try {
barrier.awaitOpen();
fail();
} catch (InterruptedException expected) {
}
assertTrue(barrier.isClosed());
assertEquals(0, barrier.getNumberWaiting());
}
@Test
public void whenInterruptedWhileWaiting_thenInterruptedException() {
barrier = new CountDownCommitBarrier(1);
TestThread t = new TestThread() {
@Override
public void doRun() throws Exception {
try {
barrier.awaitOpen();
fail();
} catch (InterruptedException expected) {
}
}
};
t.start();
sleepMs(500);
t.interrupt();
joinAll(t);
}
@Test
public void whenAbortedWhileWaiting() {
barrier = new CountDownCommitBarrier(1);
TestThread t = new TestThread() {
@Override
public void doRun() throws Exception {
barrier.awaitOpen();
}
};
t.start();
sleepMs(500);
barrier.abort();
joinAll(t);
}
@Test
public void whenCommittedWhileWaiting() throws InterruptedException {
barrier = new CountDownCommitBarrier(1);
TestThread t = new TestThread() {
@Override
public void doRun() throws Exception {
barrier.awaitOpen();
}
};
t.start();
sleepMs(500);
barrier.countDown();
joinAll(t);
assertTrue(barrier.isCommitted());
}
@Test
public void whenCommitted() throws InterruptedException {
barrier = new CountDownCommitBarrier(0);
barrier.awaitOpen();
assertTrue(barrier.isCommitted());
assertEquals(0, barrier.getNumberWaiting());
}
@Test
public void whenAborted() throws InterruptedException {
barrier = new CountDownCommitBarrier(1);
barrier.abort();
barrier.awaitOpen();
assertTrue(barrier.isAborted());
assertEquals(0, barrier.getNumberWaiting());
}
}