hotspot/test/compiler/whitebox/ClearMethodStateTest.java
changeset 16689 efce070b8d42
child 17015 92390f57e8b1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/whitebox/ClearMethodStateTest.java	Tue Apr 09 09:54:17 2013 -0700
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2013, 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.
+ */
+
+/*
+ * @test ClearMethodStateTest
+ * @library /testlibrary /testlibrary/whitebox
+ * @build ClearMethodStateTest
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI ClearMethodStateTest
+ * @author igor.ignatyev@oracle.com
+ */
+public class ClearMethodStateTest extends CompilerWhiteBoxTest {
+    public static void main(String[] args) throws Exception {
+        // to prevent inlining #method into #compile() and #test()
+        WHITE_BOX.testSetDontInlineMethod(METHOD, true);
+        new ClearMethodStateTest().runTest();
+    }
+
+    protected void test() throws Exception {
+        checkNotCompiled(METHOD);
+        compile();
+        checkCompiled(METHOD);
+        WHITE_BOX.clearMethodState(METHOD);
+        WHITE_BOX.deoptimizeMethod(METHOD);
+        checkNotCompiled(METHOD);
+
+
+        if (!TIERED_COMPILATION) {
+            WHITE_BOX.clearMethodState(METHOD);
+            compile(COMPILE_THRESHOLD);
+            checkCompiled(METHOD);
+
+            WHITE_BOX.deoptimizeMethod(METHOD);
+            checkNotCompiled(METHOD);
+            WHITE_BOX.clearMethodState(METHOD);
+
+            if (COMPILE_THRESHOLD > 1) {
+                compile(COMPILE_THRESHOLD - 1);
+                checkNotCompiled(METHOD);
+            } else {
+               System.err.println("Warning: 'CompileThreshold' <= 1");
+            }
+
+            method();
+            checkCompiled(METHOD);
+        } else {
+            System.err.println(
+                    "Warning: part of test is not applicable in Tiered");
+        }
+    }
+}