Examples with IterableProvider org.glassfish.hk2.api.IterableProvider used on opensource projects

Example 16 with IterableProvider

use of org.glassfish.hk2.api.IterableProvider in project glassfish-hk2 by eclipse-ee4j.

the class ProvidesTest method testProvidesNullFromInstanceField.

/**
 * Verifies that {@code null} may be provided from an instance field annotated
 * with {@link Provides}.
 */
@Test
public void testProvidesNullFromInstanceField() {
    ServiceLocator locator = createAndPopulateServiceLocator();
    ServiceLocatorUtilities.addClasses(locator, ProvidesListener.class, ProvidesNull.class);
    IterableProvider<NullFromInstanceField> provider = locator.getService(new TypeLiteral<IterableProvider<NullFromInstanceField>>() {
    }.getType());
    try (ServiceHandle<NullFromInstanceField> handle = provider.getHandle()) {
        assertNull(handle.getService());
    }
}