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Merged
jbgi merged 1 commit into from
Sep 25, 2018
Merged

Add Strategy tests #362

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61 changes: 61 additions & 0 deletions core/src/test/java/fj/control/parallel/StrategyTest.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,61 @@
package fj.control.parallel;

import fj.Ord;
import fj.P;
import fj.P1;
import fj.data.Enumerator;
import fj.data.List;
import fj.data.Stream;
import org.junit.Test;

import java.util.concurrent.*;

import static fj.control.parallel.Callables.callable;
import static fj.control.parallel.Strategy.*;
import static fj.data.Stream.range;
import static org.hamcrest.core.Is.is;
import static org.junit.Assert.assertThat;

public class StrategyTest {

@Test
public void testStrategySeq() {
final Stream<Integer> s = range(Enumerator.intEnumerator, 99, -99, -1);
assertThat(s.sort(Ord.intOrd, seqStrategy()), is(s.sort(Ord.intOrd)));
}

@Test
public void testStrategyThread() {
final Stream<Integer> s = range(Enumerator.intEnumerator, 99, -99, -1);
assertThat(s.sort(Ord.intOrd, simpleThreadStrategy()), is(s.sort(Ord.intOrd)));
}

@Test
public void testStrategyExecutor() {
final Stream<Integer> s = range(Enumerator.intEnumerator, 99, -99, -1);
final ExecutorService es = Executors.newFixedThreadPool(10);
assertThat(s.sort(Ord.intOrd, executorStrategy(es)), is(s.sort(Ord.intOrd)));
}

@Test
public void testStrategyCompletion() {
final Stream<Integer> s = range(Enumerator.intEnumerator, 99, -99, -1);
final ExecutorService es = Executors.newFixedThreadPool(10);
final CompletionService cs = new ExecutorCompletionService(es);
assertThat(s.sort(Ord.intOrd, completionStrategy(cs)), is(s.sort(Ord.intOrd)));
}

@Test
public void testStrategyMergeAll() {
final List<Integer> l = List.range(0, 100);
final List<P1<Integer>> p1s = mergeAll(l.map(x -> CompletableFuture.supplyAsync(() -> x)));
assertThat(P1.sequence(p1s)._1(), is(l));
}

@Test
public void testStrategyCallables() throws Exception {
final Strategy<Callable<Integer>> s = strategy(c -> c);
final Strategy<Callable<Integer>> cs = callableStrategy(s);
assertThat(callableStrategy(s).par(P.p(callable(1)))._1().call(), is(1));
}
}
16 changes: 0 additions & 16 deletions core/src/test/java/fj/data/StreamTest.java
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Original file line number Diff line number Diff line change
@@ -1,9 +1,7 @@
package fj.data;

import fj.Equal;
import fj.Ord;
import fj.P2;
import fj.control.parallel.Strategy;
import org.junit.Test;

import java.util.ConcurrentModificationException;
Expand Down Expand Up @@ -105,18 +103,4 @@ public void testMinus() {
assertThat(s1.minus(Equal.charEqual, s2),
is(stream(new Character[]{'a', 'c', 'd'})));
}

@Test
public void testSortSeq() {
Stream<Integer> s = range(Enumerator.intEnumerator, 99, -99, -1);
assertThat(s.sort(Ord.intOrd, Strategy.seqStrategy()),
is(s.sort(Ord.intOrd)));
}

@Test
public void testSortThread() {
Stream<Integer> s = range(Enumerator.intEnumerator, 99, -99, -1);
assertThat(s.sort(Ord.intOrd, Strategy.simpleThreadStrategy()),
is(s.sort(Ord.intOrd)));
}
}