Mercurial > hg > truffle
diff 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> |
---|---|
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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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.jvmci.runtime.test/src/com/oracle/jvmci/runtime/test/TestConstantReflectionProvider.java Tue Jun 02 15:15:58 2015 +0200 @@ -0,0 +1,125 @@ +/* + * 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)); + } +}