Mercurial > hg > truffle
view graal/com.oracle.graal.nodes.test/src/com/oracle/graal/nodes/test/ObjectStampJoinTest.java @ 21699:4f88bd1dbc61
Fix ObjectStampJoinTest.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Wed, 03 Jun 2015 15:12:24 +0200 |
parents | 48c1ebd24120 |
children |
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/* * Copyright (c) 2013, 2015, 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. * * 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.graal.nodes.test; import com.oracle.jvmci.meta.Kind; import org.junit.*; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.nodes.type.*; public class ObjectStampJoinTest extends AbstractObjectStampTest { // class A // class B extends A // class C extends B implements I // class D extends A // abstract class E extends A // interface I @Test public void testJoin0() { Stamp a = StampFactory.declared(getType(A.class)); Stamp b = StampFactory.declared(getType(B.class)); Assert.assertEquals(b, join(a, b)); } @Test public void testJoin1() { Stamp aNonNull = StampFactory.declaredNonNull(getType(A.class)); Stamp b = StampFactory.declared(getType(B.class)); Stamp bNonNull = StampFactory.declaredNonNull(getType(B.class)); Assert.assertEquals(bNonNull, join(aNonNull, b)); } @Test public void testJoin2() { Stamp aExact = StampFactory.exactNonNull(getType(A.class)); Stamp b = StampFactory.declared(getType(B.class)); Assert.assertEquals(StampFactory.empty(Kind.Object), join(aExact, b)); } @Test public void testJoin3() { Stamp d = StampFactory.declared(getType(D.class)); Stamp c = StampFactory.declared(getType(C.class)); Assert.assertTrue(StampTool.isPointerAlwaysNull(join(c, d))); } @Test public void testJoin4() { Stamp dExactNonNull = StampFactory.exactNonNull(getType(D.class)); Stamp c = StampFactory.declared(getType(C.class)); Assert.assertEquals(StampFactory.empty(Kind.Object), join(c, dExactNonNull)); } @Test public void testJoin5() { Stamp dExact = StampFactory.exact(getType(D.class)); Stamp c = StampFactory.declared(getType(C.class)); Stamp join = join(c, dExact); Assert.assertTrue(StampTool.isPointerAlwaysNull(join)); Assert.assertNull(StampTool.typeOrNull(join)); Assert.assertFalse(StampTool.isExactType(join)); } @Test public void testJoin6() { Stamp dExactNonNull = StampFactory.exactNonNull(getType(D.class)); Stamp alwaysNull = StampFactory.alwaysNull(); Stamp join = join(alwaysNull, dExactNonNull); Assert.assertFalse(join.hasValues()); Assert.assertFalse(StampTool.isPointerAlwaysNull(join)); } @Test public void testJoin7() { Stamp aExact = StampFactory.exact(getType(A.class)); Stamp e = StampFactory.declared(getType(E.class)); Stamp join = join(aExact, e); Assert.assertTrue(StampTool.isPointerAlwaysNull(join)); Assert.assertNull(StampTool.typeOrNull(join)); Assert.assertFalse(StampTool.isExactType(join)); } @Test public void testJoin8() { Stamp bExact = StampFactory.exactNonNull(getType(B.class)); Stamp dExact = StampFactory.exact(getType(D.class)); Stamp join = join(bExact, dExact); Assert.assertFalse(join.hasValues()); } @Test public void testJoin9() { Stamp bExact = StampFactory.exact(getType(B.class)); Stamp dExact = StampFactory.exact(getType(D.class)); Stamp join = join(bExact, dExact); Assert.assertTrue(StampTool.isPointerAlwaysNull(join)); Assert.assertNull(StampTool.typeOrNull(join)); Assert.assertNull(StampTool.typeOrNull(join)); } @Test public void testJoinInterfaceSimple() { // Tests joining of interface testJoinInterface(A.class, B.class, I.class); } @Test public void testJoinInterfaceArray() { // Tests joining of arrays interface testJoinInterface(A[].class, B[].class, I[].class); } @Test public void testJoinInterfaceMultiArray() { // Tests joining of multidimensional arrays of interface testJoinInterface(A[][].class, B[][].class, I[][].class); } private void testJoinInterface(Class<?> typeA, Class<?> typeB, Class<?> typeI) { testJoinInterface0(typeA, typeI); testJoinInterface1(typeA, typeI); testJoinInterface2(typeB, typeI); testJoinInterface3(typeB, typeI); } private void testJoinInterface0(Class<?> typeA, Class<?> typeI) { Stamp a = StampFactory.declared(getType(typeA)); Stamp i = StampFactory.declaredTrusted(getType(typeI)); Assert.assertNotSame(StampFactory.empty(Kind.Object), join(a, i)); } private void testJoinInterface1(Class<?> typeA, Class<?> typeI) { Stamp aNonNull = StampFactory.declaredNonNull(getType(typeA)); Stamp i = StampFactory.declaredTrusted(getType(typeI)); Stamp join = join(aNonNull, i); Assert.assertTrue(join instanceof ObjectStamp); Assert.assertTrue(((ObjectStamp) join).nonNull()); } private void testJoinInterface2(Class<?> typeB, Class<?> typeI) { Stamp bExact = StampFactory.exactNonNull(getType(typeB)); Stamp i = StampFactory.declaredTrusted(getType(typeI)); Stamp join = join(i, bExact); Assert.assertEquals(StampFactory.empty(Kind.Object), join); } private void testJoinInterface3(Class<?> typeB, Class<?> typeI) { Stamp bExact = StampFactory.exactNonNull(getType(typeB)); Stamp i = StampFactory.declared(getType(typeI)); // not trusted Stamp join = join(i, bExact); Assert.assertEquals(bExact, join); } }