Mercurial > hg > truffle
view graal/com.oracle.jvmci.runtime.test/src/com/oracle/jvmci/runtime/test/TestConstantReflectionProvider.java @ 21663:381ab4105afe
moved com.oracle.graal.java.test to com.oracle.jvmci.runtime.test
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 02 Jun 2015 15:15:58 +0200 |
parents | graal/com.oracle.graal.java.test/src/com/oracle/graal/java/test/TestConstantReflectionProvider.java@48c1ebd24120 |
children |
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/* * Copyright (c) 2012, 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 com.oracle.jvmci.runtime.test; import static org.junit.Assert.*; import java.lang.reflect.*; import java.util.*; import org.junit.*; import com.oracle.jvmci.meta.*; /** * Tests for {@link ConstantReflectionProvider}. It assumes an implementation of the interface that * actually returns non-null results for access operations that are possible, i.e., the tests will * fail for an implementation that spuriously returns null (which is allowed by the specification). */ public class TestConstantReflectionProvider extends TypeUniverse { @Test public void constantEqualsTest() { for (ConstantValue c1 : constants()) { for (ConstantValue c2 : constants()) { // test symmetry assertEquals(constantReflection.constantEquals(c1.value, c2.value), constantReflection.constantEquals(c2.value, c1.value)); if (c1.value.getKind() != Kind.Object && c2.value.getKind() != Kind.Object) { assertEquals(c1.value.equals(c2.value), constantReflection.constantEquals(c2.value, c1.value)); } } } } @Test public void readArrayLengthTest() { for (ConstantValue cv : constants()) { JavaConstant c = cv.value; Integer actual = constantReflection.readArrayLength(c); if (c.getKind() != Kind.Object || c.isNull() || !cv.boxed.getClass().isArray()) { assertNull(actual); } else { assertNotNull(actual); int actualInt = actual; assertEquals(Array.getLength(cv.boxed), actualInt); } } } static class PrimitiveConstants { static final long LONG_CONST = 42; static final int INT_CONST = 66; static final byte BYTE_CONST = 123; static final boolean BOOL_CONST = true; } static class BoxedConstants { static final Long LONG_CONST = 42L; static final Integer INT_CONST = 66; static final Byte BYTE_CONST = 123; static final Boolean BOOL_CONST = true; } @Test public void boxTest() { for (ConstantValue cv : constants()) { JavaConstant c = cv.value; JavaConstant boxed = constantReflection.boxPrimitive(c); if (boxed != null && c.getKind().isPrimitive()) { assertTrue(boxed.getKind().isObject()); assertFalse(boxed.isNull()); } } List<ConstantValue> primitiveConstants = readConstants(PrimitiveConstants.class); List<ConstantValue> boxedConstants = readConstants(BoxedConstants.class); for (int i = 0; i < primitiveConstants.size(); i++) { ConstantValue prim = primitiveConstants.get(i); ConstantValue box = boxedConstants.get(i); assertEquals(box.value, constantReflection.boxPrimitive(prim.value)); } assertNull(constantReflection.boxPrimitive(JavaConstant.NULL_POINTER)); } @Test public void unboxTest() { for (ConstantValue cv : constants()) { JavaConstant c = cv.value; JavaConstant unboxed = c.isNull() ? null : constantReflection.unboxPrimitive(c); if (unboxed != null) { assertFalse(unboxed.getKind().isObject()); } } List<ConstantValue> primitiveConstants = readConstants(PrimitiveConstants.class); List<ConstantValue> boxedConstants = readConstants(BoxedConstants.class); for (int i = 0; i < primitiveConstants.size(); i++) { ConstantValue prim = primitiveConstants.get(i); ConstantValue box = boxedConstants.get(i); assert prim.getSimpleName().equals(box.getSimpleName()); assertEquals(prim.value, constantReflection.unboxPrimitive(box.value)); } assertNull(constantReflection.unboxPrimitive(JavaConstant.NULL_POINTER)); } }