/* * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.truffle.api.object.dsl.test; import org.junit.Test; import com.oracle.truffle.api.object.DynamicObject; import com.oracle.truffle.api.object.dsl.Layout; import com.oracle.truffle.api.object.dsl.Nullable; import org.junit.Assert; public class NullabilityTest { @Layout public interface NullabilityTestLayout { DynamicObject createNullabilityTest(String notNullable, @Nullable String nullable); String getNotNullable(DynamicObject object); void setNotNullable(DynamicObject object, String value); String getNullable(DynamicObject object); void setNullable(DynamicObject object, String value); } private static final NullabilityTestLayout LAYOUT = NullabilityTestLayoutImpl.INSTANCE; @Test public void testCreateNonNull() { final DynamicObject object = LAYOUT.createNullabilityTest("foo", "bar"); Assert.assertNotNull(object); Assert.assertEquals("foo", LAYOUT.getNotNullable(object)); Assert.assertEquals("bar", LAYOUT.getNullable(object)); } @Test public void testCreateAlllowedNull() { final DynamicObject object = LAYOUT.createNullabilityTest("foo", null); Assert.assertNotNull(object); Assert.assertEquals("foo", LAYOUT.getNotNullable(object)); Assert.assertNull(LAYOUT.getNullable(object)); } @Test public void testSetNonNullableToNonNull() { final DynamicObject object = LAYOUT.createNullabilityTest("foo", "bar"); Assert.assertNotNull(object); Assert.assertEquals("foo", LAYOUT.getNotNullable(object)); LAYOUT.setNotNullable(object, "baz"); Assert.assertEquals("baz", LAYOUT.getNotNullable(object)); } @Test public void testSetNullableToNull() { final DynamicObject object = LAYOUT.createNullabilityTest("foo", "bar"); Assert.assertNotNull(object); Assert.assertEquals("bar", LAYOUT.getNullable(object)); LAYOUT.setNullable(object, null); Assert.assertNull(LAYOUT.getNullable(object)); } }