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comparison graal/com.oracle.jvmci.runtime.test/src/com/oracle/jvmci/runtime/test/TestConstantReflectionProvider.java @ 21663:381ab4105afe

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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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21662:b45e0f791465 21663:381ab4105afe
1 /*
2 * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.oracle.jvmci.runtime.test;
24
25 import static org.junit.Assert.*;
26
27 import java.lang.reflect.*;
28 import java.util.*;
29
30 import org.junit.*;
31
32 import com.oracle.jvmci.meta.*;
33
34 /**
35 * Tests for {@link ConstantReflectionProvider}. It assumes an implementation of the interface that
36 * actually returns non-null results for access operations that are possible, i.e., the tests will
37 * fail for an implementation that spuriously returns null (which is allowed by the specification).
38 */
39 public class TestConstantReflectionProvider extends TypeUniverse {
40
41 @Test
42 public void constantEqualsTest() {
43 for (ConstantValue c1 : constants()) {
44 for (ConstantValue c2 : constants()) {
45 // test symmetry
46 assertEquals(constantReflection.constantEquals(c1.value, c2.value), constantReflection.constantEquals(c2.value, c1.value));
47 if (c1.value.getKind() != Kind.Object && c2.value.getKind() != Kind.Object) {
48 assertEquals(c1.value.equals(c2.value), constantReflection.constantEquals(c2.value, c1.value));
49 }
50 }
51 }
52 }
53
54 @Test
55 public void readArrayLengthTest() {
56 for (ConstantValue cv : constants()) {
57 JavaConstant c = cv.value;
58 Integer actual = constantReflection.readArrayLength(c);
59 if (c.getKind() != Kind.Object || c.isNull() || !cv.boxed.getClass().isArray()) {
60 assertNull(actual);
61 } else {
62 assertNotNull(actual);
63 int actualInt = actual;
64 assertEquals(Array.getLength(cv.boxed), actualInt);
65 }
66 }
67 }
68
69 static class PrimitiveConstants {
70 static final long LONG_CONST = 42;
71 static final int INT_CONST = 66;
72 static final byte BYTE_CONST = 123;
73 static final boolean BOOL_CONST = true;
74 }
75
76 static class BoxedConstants {
77 static final Long LONG_CONST = 42L;
78 static final Integer INT_CONST = 66;
79 static final Byte BYTE_CONST = 123;
80 static final Boolean BOOL_CONST = true;
81 }
82
83 @Test
84 public void boxTest() {
85 for (ConstantValue cv : constants()) {
86 JavaConstant c = cv.value;
87 JavaConstant boxed = constantReflection.boxPrimitive(c);
88 if (boxed != null && c.getKind().isPrimitive()) {
89 assertTrue(boxed.getKind().isObject());
90 assertFalse(boxed.isNull());
91 }
92 }
93
94 List<ConstantValue> primitiveConstants = readConstants(PrimitiveConstants.class);
95 List<ConstantValue> boxedConstants = readConstants(BoxedConstants.class);
96 for (int i = 0; i < primitiveConstants.size(); i++) {
97 ConstantValue prim = primitiveConstants.get(i);
98 ConstantValue box = boxedConstants.get(i);
99 assertEquals(box.value, constantReflection.boxPrimitive(prim.value));
100 }
101
102 assertNull(constantReflection.boxPrimitive(JavaConstant.NULL_POINTER));
103 }
104
105 @Test
106 public void unboxTest() {
107 for (ConstantValue cv : constants()) {
108 JavaConstant c = cv.value;
109 JavaConstant unboxed = c.isNull() ? null : constantReflection.unboxPrimitive(c);
110 if (unboxed != null) {
111 assertFalse(unboxed.getKind().isObject());
112 }
113 }
114 List<ConstantValue> primitiveConstants = readConstants(PrimitiveConstants.class);
115 List<ConstantValue> boxedConstants = readConstants(BoxedConstants.class);
116 for (int i = 0; i < primitiveConstants.size(); i++) {
117 ConstantValue prim = primitiveConstants.get(i);
118 ConstantValue box = boxedConstants.get(i);
119 assert prim.getSimpleName().equals(box.getSimpleName());
120 assertEquals(prim.value, constantReflection.unboxPrimitive(box.value));
121 }
122
123 assertNull(constantReflection.unboxPrimitive(JavaConstant.NULL_POINTER));
124 }
125 }