108 lines
3.9 KiB
Java
108 lines
3.9 KiB
Java
/*
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* Copyright (c) 2014, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test GetNMethodTest
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* @bug 8038240
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* @summary testing of WB::getNMethod()
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* @library /test/lib /
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* @modules java.base/jdk.internal.misc
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* java.management
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*
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* @requires vm.opt.DeoptimizeALot != true
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*
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* @build jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run main/othervm -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI
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* -XX:CompileCommand=compileonly,compiler.whitebox.SimpleTestCaseHelper::*
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* compiler.whitebox.GetNMethodTest
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*/
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package compiler.whitebox;
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import jdk.test.lib.Asserts;
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import jdk.test.whitebox.code.BlobType;
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import jdk.test.whitebox.code.NMethod;
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public class GetNMethodTest extends CompilerWhiteBoxTest {
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public static void main(String[] args) throws Exception {
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CompilerWhiteBoxTest.main(GetNMethodTest::new, args);
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}
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private GetNMethodTest(TestCase testCase) {
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super(testCase);
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// to prevent inlining of #method
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WHITE_BOX.testSetDontInlineMethod(method, true);
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}
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@Override
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protected void test() throws Exception {
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checkNotCompiled();
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compile();
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checkCompiled();
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NMethod nmethod = NMethod.get(method, testCase.isOsr());
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if (IS_VERBOSE) {
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System.out.println("nmethod = " + nmethod);
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}
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Asserts.assertNotNull(nmethod,
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"nmethod of compiled method is null");
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Asserts.assertNotNull(nmethod.insts,
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"nmethod.insts of compiled method is null");
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Asserts.assertGT(nmethod.insts.length, 0,
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"compiled method's instructions is empty");
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Asserts.assertNotNull(nmethod.code_blob_type, "blob type is null");
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if (WHITE_BOX.getBooleanVMFlag("SegmentedCodeCache")) {
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Asserts.assertNE(nmethod.code_blob_type, BlobType.All);
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switch (nmethod.comp_level) {
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case 1:
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case 4:
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checkBlockType(nmethod, BlobType.MethodNonProfiled);
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break;
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case 2:
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case 3:
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checkBlockType(nmethod, BlobType.MethodProfiled);
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break;
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default:
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throw new Error("unexpected comp level " + nmethod);
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}
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} else {
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Asserts.assertEQ(nmethod.code_blob_type, BlobType.All);
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}
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deoptimize();
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checkNotCompiled();
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nmethod = NMethod.get(method, testCase.isOsr());
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Asserts.assertNull(nmethod,
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"nmethod of non-compiled method isn't null");
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}
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private void checkBlockType(NMethod nmethod, BlobType expectedType) {
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Asserts.assertEQ(nmethod.code_blob_type, expectedType,
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String.format("blob_type[%s] for %d level isn't %s",
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nmethod.code_blob_type, nmethod.comp_level, expectedType));
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}
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}
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