@Test
public void testParentContextDoesNotSeeModificationsOfStaticFields() throws Throwable {
Context context = runIsolate(StaticFieldSetter.class);
context.join();
assertEquals(StaticFieldSetter.OLD_VALUE, StaticFieldSetter.staticField);
}
@Test
public void testClassesDefinedInParentContextAreNotVisibleToChild() throws Throwable {
try {
Context context =
runIsolate(ClassFinder.class, ClassPresentOnlyInParentContext.class.getName());
context.join();
throw new AssertionError("Isolate should not be able to find the class");
} catch (ContextFailedException e) {
if (e.getCause() instanceof ClassNotFoundException) {
// expected
} else {
throw e;
}
}
}
@Test
public void testIsolateMayLoadItsOwnVersionOfAClassDefinedInParentContext() throws Throwable {
String fieldName = "field_existing_only_in_isolate_context";
try {
ClassPresentInBothContexts.class.getDeclaredField(fieldName);
throw new AssertionError("The field should be absent in parent context");
} catch (NoSuchFieldException e) {
// expected
}
Context context =
runIsolate(FieldTester.class, ClassPresentInBothContexts.class.getName(), fieldName);
context.join();
}
@Test
public void testStaticDataIsIsolatedBetweenChildContexts() throws Throwable {
Context context1 = runIsolate(StaticFieldSetter.Party.class, "value1");
Context context2 = runIsolate(StaticFieldSetter.Party.class, "value2");
CyclicBarrier barrier = new CyclicBarrier(2);
context1.send(barrier);
context2.send(barrier);
context1.join();
context2.join();
}