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9080
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1 /*
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 /*
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25 * @test ClearMethodStateTest
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26 * @library /testlibrary /testlibrary/whitebox
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27 * @build ClearMethodStateTest
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28 * @run main ClassFileInstaller sun.hotspot.WhiteBox
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29 * @run main/othervm -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI ClearMethodStateTest
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30 * @author igor.ignatyev@oracle.com
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31 */
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32 public class ClearMethodStateTest extends CompilerWhiteBoxTest {
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33 public static void main(String[] args) throws Exception {
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34 // to prevent inlining #method into #compile() and #test()
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35 WHITE_BOX.testSetDontInlineMethod(METHOD, true);
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36 new ClearMethodStateTest().runTest();
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37 }
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38
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39 protected void test() throws Exception {
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40 checkNotCompiled(METHOD);
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41 compile();
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42 checkCompiled(METHOD);
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43 WHITE_BOX.clearMethodState(METHOD);
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44 WHITE_BOX.deoptimizeMethod(METHOD);
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45 checkNotCompiled(METHOD);
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46
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47
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48 if (!TIERED_COMPILATION) {
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49 WHITE_BOX.clearMethodState(METHOD);
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50 compile(COMPILE_THRESHOLD);
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51 checkCompiled(METHOD);
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52
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53 WHITE_BOX.deoptimizeMethod(METHOD);
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54 checkNotCompiled(METHOD);
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55 WHITE_BOX.clearMethodState(METHOD);
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56
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57 if (COMPILE_THRESHOLD > 1) {
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58 compile(COMPILE_THRESHOLD - 1);
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59 checkNotCompiled(METHOD);
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60 } else {
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61 System.err.println("Warning: 'CompileThreshold' <= 1");
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62 }
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63
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64 method();
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65 checkCompiled(METHOD);
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66 } else {
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67 System.err.println(
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68 "Warning: part of test is not applicable in Tiered");
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69 }
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70 }
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71 }
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