InterpreterFrameSizeTest.java revision 12772:fbb9c8026495 
1/*
2 * Copyright (c) 2016, 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
24/**
25 * @test
26 * @requires vm.jvmci & (vm.simpleArch == "x64" | vm.simpleArch == "sparcv9")
27 * @modules jdk.internal.vm.ci/jdk.vm.ci.hotspot
28 *          jdk.internal.vm.ci/jdk.vm.ci.code
29 *          jdk.internal.vm.ci/jdk.vm.ci.code.site
30 *          jdk.internal.vm.ci/jdk.vm.ci.meta
31 *          jdk.internal.vm.ci/jdk.vm.ci.runtime
32 *          jdk.internal.vm.ci/jdk.vm.ci.common
33 *          jdk.internal.vm.ci/jdk.vm.ci.amd64
34 *          jdk.internal.vm.ci/jdk.vm.ci.sparc
35 * @compile CodeInstallationTest.java TestAssembler.java TestHotSpotVMConfig.java amd64/AMD64TestAssembler.java sparc/SPARCTestAssembler.java
36 * @run junit/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -Djvmci.Compiler=null jdk.vm.ci.code.test.InterpreterFrameSizeTest
37 */
38
39package jdk.vm.ci.code.test;
40
41import jdk.vm.ci.code.BytecodeFrame;
42import jdk.vm.ci.hotspot.HotSpotCodeCacheProvider;
43import jdk.vm.ci.meta.JavaKind;
44import jdk.vm.ci.meta.JavaValue;
45import jdk.vm.ci.meta.ResolvedJavaMethod;
46import org.junit.Assert;
47import org.junit.Test;
48
49public class InterpreterFrameSizeTest extends CodeInstallationTest {
50
51    HotSpotCodeCacheProvider hotspotCodeCache() {
52        return (HotSpotCodeCacheProvider) codeCache;
53    }
54
55    @Test
56    public void testNull() {
57        try {
58            hotspotCodeCache().interpreterFrameSize(null);
59        } catch (NullPointerException npe) {
60            // Threw NPE as expected.
61            return;
62        }
63        Assert.fail("expected NullPointerException");
64    }
65
66    @Test
67    public void test() {
68        ResolvedJavaMethod resolvedMethod = metaAccess.lookupJavaMethod(getMethod("testNull"));
69
70        int bci = 0;
71        int numLocals = resolvedMethod.getMaxLocals();
72        int numStack = 0;
73        JavaValue[] values = new JavaValue[numLocals];
74        JavaKind[] slotKinds = new JavaKind[numLocals];
75        BytecodeFrame frame = new BytecodeFrame(null, resolvedMethod, bci, false, false, values, slotKinds, numLocals, numStack, 0);
76        int size = hotspotCodeCache().interpreterFrameSize(frame);
77        if (size <= 0) {
78            Assert.fail("expected non-zero result");
79        }
80    }
81}
82