| /* |
| * Copyright (c) 2014, 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 org.graalvm.compiler.hotspot.test; |
| |
| import org.junit.Test; |
| |
| import org.graalvm.compiler.core.test.GraalCompilerTest; |
| import org.graalvm.compiler.debug.Debug; |
| import org.graalvm.compiler.debug.Debug.Scope; |
| import org.graalvm.compiler.graph.Node; |
| import org.graalvm.compiler.nodes.Invoke; |
| import org.graalvm.compiler.nodes.ReturnNode; |
| import org.graalvm.compiler.nodes.StructuredGraph; |
| import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions; |
| |
| public class ClassSubstitutionsTests extends GraalCompilerTest { |
| |
| public Number instanceField; |
| |
| public Object[] arrayField; |
| |
| public String[] stringArrayField; |
| |
| @SuppressWarnings("try") |
| protected StructuredGraph test(final String snippet) { |
| try (Scope s = Debug.scope("ClassSubstitutionsTest", getMetaAccess().lookupJavaMethod(getMethod(snippet)))) { |
| StructuredGraph graph = parseEager(snippet, AllowAssumptions.YES); |
| compile(graph.method(), graph); |
| assertNotInGraph(graph, Invoke.class); |
| Debug.dump(Debug.BASIC_LOG_LEVEL, graph, snippet); |
| return graph; |
| } catch (Throwable e) { |
| throw Debug.handle(e); |
| } |
| } |
| |
| protected static StructuredGraph assertNotInGraph(StructuredGraph graph, Class<?> clazz) { |
| for (Node node : graph.getNodes()) { |
| if (clazz.isInstance(node)) { |
| fail(node.toString()); |
| } |
| } |
| return graph; |
| } |
| |
| public boolean constantIsArray() { |
| return "".getClass().isArray(); |
| } |
| |
| public boolean constantIsInterface() { |
| return "".getClass().isInterface(); |
| } |
| |
| public boolean constantIsPrimitive() { |
| return "".getClass().isPrimitive(); |
| } |
| |
| @Test |
| public void testIsArray() { |
| testConstantReturn("constantIsArray", 0); |
| } |
| |
| @Test |
| public void testIsInterface() { |
| testConstantReturn("constantIsInterface", 0); |
| } |
| |
| @Test |
| public void testIsPrimitive() { |
| testConstantReturn("constantIsPrimitive", 0); |
| } |
| |
| public boolean fieldIsNotArray() { |
| if (instanceField != null) { |
| // The base type of instanceField is not Object or an Interface, so it's provably an |
| // instance type, so isArray will always return false. |
| return instanceField.getClass().isArray(); |
| } |
| return false; |
| } |
| |
| @Test |
| public void testFieldIsNotArray() { |
| testConstantReturn("fieldIsNotArray", 0); |
| } |
| |
| public boolean foldComponentType() { |
| return stringArrayField.getClass().getComponentType() == String.class; |
| } |
| |
| @Test |
| public void testFoldComponentType() { |
| testConstantReturn("foldComponentType", 1); |
| } |
| |
| @Test |
| public void testFieldIsArray() { |
| testConstantReturn("fieldIsArray", 1); |
| } |
| |
| public boolean fieldIsArray() { |
| if (arrayField != null) { |
| // The base type of arrayField is an array of some sort so isArray will always return |
| // true. |
| return arrayField.getClass().isArray(); |
| } |
| return true; |
| } |
| |
| private static class A { |
| } |
| |
| private static class B extends A { |
| } |
| |
| private static class C { |
| } |
| |
| private static final A a = new A(); |
| private static final B b = new B(); |
| private static final C c = new C(); |
| |
| public boolean classIsAssignable1() { |
| return a.getClass().isAssignableFrom(a.getClass()); |
| } |
| |
| public boolean classIsAssignable2() { |
| return a.getClass().isAssignableFrom(b.getClass()); |
| } |
| |
| public boolean classIsAssignable3() { |
| return a.getClass().isAssignableFrom(c.getClass()); |
| } |
| |
| public boolean classIsAssignable4() { |
| return b.getClass().isAssignableFrom(a.getClass()); |
| } |
| |
| public boolean classIsAssignable5() { |
| return c.getClass().isAssignableFrom(b.getClass()); |
| } |
| |
| public boolean classIsAssignable6() { |
| return int.class.isAssignableFrom(b.getClass()); |
| } |
| |
| public boolean classIsAssignable7() { |
| return int.class.isAssignableFrom(int.class); |
| } |
| |
| @Test |
| public void testClassIsAssignable() { |
| testConstantReturn("classIsAssignable1", 1); |
| testConstantReturn("classIsAssignable2", 1); |
| testConstantReturn("classIsAssignable3", 0); |
| testConstantReturn("classIsAssignable4", 0); |
| testConstantReturn("classIsAssignable5", 0); |
| testConstantReturn("classIsAssignable6", 0); |
| testConstantReturn("classIsAssignable7", 1); |
| } |
| |
| private void testConstantReturn(String name, Object value) { |
| StructuredGraph result = test(name); |
| ReturnNode ret = result.getNodes(ReturnNode.TYPE).first(); |
| assertDeepEquals(1, result.getNodes(ReturnNode.TYPE).count()); |
| |
| assertDeepEquals(true, ret.result().isConstant()); |
| assertDeepEquals(value, ret.result().asJavaConstant().asBoxedPrimitive()); |
| } |
| } |