@Test
public void constraintTest() {
Debug.testStart("Constraint");
final int COUNT = 100;
final TestMonitorable mon = new TestMonitorable();
final Random rand = new Random();
final Predicate<TestMonitorable> pred1 = m -> m.get() < COUNT;
final Predicate<TestMonitorable> pred2 = m -> m.get() % 2 == 0;
final Monitor<TestMonitorable> monitor1 = new ConstraintMonitor<>(pred1);
mon.addChangeMonitor(monitor1);
final Monitor<TestMonitorable> monitor2 = Monitors.monitor(mon).constraint(pred2);
for (int i = 0; i < COUNT; i++) {
boolean failed = false;
try {
mon.increment();
} catch (final UnprotectedMonitorException cve) {
failed = true;
}
final boolean shouldFail = !pred1.test(mon) || !pred2.test(mon);
if (failed) {
if (!shouldFail) throw new Error("False negative at " + mon.get());
} else if (shouldFail) throw new Error("False positive at " + mon.get());
}
Debug.testEnd("Constraint");
}
@Test
public void manyMonitorsTest() {
Debug.testStart("Many Monitors");
final long time = System.currentTimeMillis();
final int COUNT = 10000;
final TestMonitorable mon = new TestMonitorable();
final Random rand = new Random();
final TestToggleMonitor[] monitors = new TestToggleMonitor[COUNT];
for (int i = 0; i < monitors.length; i++) {
monitors[i] = new TestToggleMonitor();
mon.addChangeMonitor(monitors[i]);
}
for (int i = 0; i < 100; i++) {
final int index = rand.nextInt(COUNT);
final TestToggleMonitor replacement = new TestToggleMonitor();
if (rand.nextFloat() > .5) {
mon.removeChangeMonitor(monitors[i]);
mon.addChangeMonitor(replacement);
} else {
mon.addChangeMonitor(replacement);
mon.removeChangeMonitor(monitors[i]);
}
monitors[i] = replacement;
}
mon.increment();
for (final TestToggleMonitor monitor : monitors)
if (!monitor.toggle) throw new Error("Monitor was not triggered");
Debug.printLn("Millis (Benchmark): " + (System.currentTimeMillis() - time));
Debug.testEnd("Many Monitors");
}
public void activeFilterTest(
final Filter<TestMonitorable> f, final Predicate<TestMonitorable> pred) {
Debug.testStart("Active Filter: " + f.getClass().getSimpleName());
final int COUNT = 10000;
final TestMonitorable[] mons = new TestMonitorable[COUNT];
final Random rand = new Random();
for (int i = 0; i < COUNT; i++) mons[i] = new TestMonitorable(rand.nextInt(1000));
for (final TestMonitorable m : mons) f.add(m);
for (final TestMonitorable m : f.trueSet())
if (!pred.test(m)) throw new Error("False positive");
for (final TestMonitorable m : f.falseSet())
if (pred.test(m)) throw new Error("False negative");
final long startTime = System.currentTimeMillis();
for (int i = 0; i < COUNT; i++) {
final TestMonitorable mon = mons[rand.nextInt(COUNT)];
if (rand.nextFloat() > .5) mon.increment();
else mon.decrement();
}
final long endTime = System.currentTimeMillis();
Debug.printLn("Time: " + ((endTime - startTime) / 1000.) + " sec");
if (f.trueSet().size() + f.falseSet().size() != COUNT) throw new Error("Size is incorrect");
for (final TestMonitorable m : f.trueSet())
if (!pred.test(m)) throw new Error("False positive");
for (final TestMonitorable m : f.falseSet())
if (pred.test(m)) throw new Error("False negative");
Debug.testEnd("Active Filter: " + f.getClass().getSimpleName());
}
// Tests a wide spectrum of the Monitors utility class
@Test
public void wideChainTest() {
Debug.testStart("Monitor Chaining");
final TestMonitorable mon = new TestMonitorable();
final int COUNT = 100;
// Cascade test
final Monitor<?> m1 = Monitors.monitor(mon).cascade(m -> Debug.printDel(m.get()));
// When test
final Monitor<?> m2 =
Monitors.monitor(mon)
.when(
m -> m.get() == 50,
m -> {
Debug.printDelAssert("When 50: " + m.get(), m.get() == 50);
this.wideChainTest_when50++;
})
.execute();
// Until test
final Monitor<?> m3 =
Monitors.monitor(mon)
.until(
m -> m.get() == 10,
m -> {
Debug.printDelAssert("Until 10: " + m.get(), m.get() < 10);
this.wideChainTest_until10++;
})
.execute();
{
final SimpleMonitorChain<TestMonitorable> chain =
Monitors.monitor(mon)
.recover(
(e, t) -> {
throw new RuntimeException(e);
});
// Test of chained When and Until
chain
.when(m -> m.get() == 50)
.until(
m -> m.get() == 60,
m -> {
Debug.printDelAssert("In 50: " + m.get(), m.get() >= 50 && m.get() < 60);
this.wideChainTest_in50++;
});
// mon.watchLifecycle
// (((SimpleMonitorChain<TestMonitorable>.MyMonitorPart) chain
// .getLast ()).get ());
// Test of chained When-Until-When
chain.when(
new Predicate<TestMonitorable>() {
int count = 0;
@Override
public boolean test(final TestMonitorable t) {
return this.count++ == 20;
}
},
m -> {
Debug.printDelAssert("20 more than 60: " + m.get(), m.get() == 80 || m.get() == 81);
this.wideChainTest_81++;
});
// Test of chained When-Until-When-When
chain.when(
m -> m.get() == COUNT - 1,
m -> {
Debug.printDelAssert("Almost done", m.get() == COUNT - 1);
this.wideChainTest_almostdone++;
});
chain.execute();
}
// Recursive test (also tests for skips)
// Monitors.monitor (mon).when (m -> true, new TestRecursiveMonitor
// ()).execute ();
// Loop (two whens that run each other)
{
final MonitorChain<TestMonitorable> chain = Monitors.monitor(mon);
final MonitorChain.Part<TestMonitorable> a =
chain
.when(m -> m.get() == COUNT, m -> Debug.printAssert("A", m.get() == COUNT))
.getLast();
final MonitorChain.Part<TestMonitorable> b =
chain
.when(m -> m.get() == (COUNT - 1), m -> Debug.printAssert("B", m.get() == COUNT - 1))
.getLast();
b.next(a);
chain.execute();
}
{
final MonitorChain<TestMonitorable> chain = Monitors.monitor(mon);
final MonitorChain.Part<TestMonitorable> a =
chain
.when(m -> m.get() == COUNT, m -> Debug.printAssert("A", m.get() == COUNT))
.getLast();
final MonitorChain.Part<TestMonitorable> b =
chain
.when(m -> m.get() == (COUNT - 1), m -> Debug.printAssert("B", m.get() == COUNT - 1))
.getLast();
b.next(a);
chain.execute();
}
// Where the action is
while (mon.get() < COUNT) mon.increment();
for (int i = 0; i < 100; i++) {
mon.decrement();
mon.increment();
}
if (this.wideChainTest_until10 != 9)
throw new Error("Expected 9 instances of Until 10, but got " + this.wideChainTest_until10);
if (this.wideChainTest_when50 != 1)
throw new Error("Expected 1 instance of When 50, but got " + this.wideChainTest_when50);
if (this.wideChainTest_in50 != 9 && this.wideChainTest_in50 != 10)
throw new Error("Expected 9 or 10 instances of In 50, but got " + this.wideChainTest_in50);
if (this.wideChainTest_81 != 1)
throw new Error("Expected 1 instance of 20 more than 61, but got " + this.wideChainTest_81);
if (this.wideChainTest_almostdone != 1)
throw new Error(
"Expected 1 instance of Almost Done, but got " + this.wideChainTest_almostdone);
Debug.testEnd("Monitor Chaining");
}