hotspot/test/compiler/whitebox/LockCompilationTest.java
changeset 27642 8c9eff693145
child 28190 5a6b07edeb21
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/whitebox/LockCompilationTest.java	Mon Nov 10 19:04:38 2014 +0300
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2014, 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 LockCompilationTest
+ * @bug 8059624
+ * @library /testlibrary /testlibrary/whitebox
+ * @build LockCompilationTest
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ *                              sun.hotspot.WhiteBox$WhiteBoxPermission
+ * @run main/othervm/timeout=600 -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,SimpleTestCase$Helper::* LockCompilationTest
+ * @summary testing of WB::lock/unlockCompilation()
+ */
+
+import java.io.OutputStream;
+import java.io.PrintWriter;
+import java.util.concurrent.BrokenBarrierException;
+import java.util.concurrent.CyclicBarrier;
+
+import com.oracle.java.testlibrary.Asserts;
+
+public class LockCompilationTest extends CompilerWhiteBoxTest {
+    public static void main(String[] args) throws Exception {
+        CompilerWhiteBoxTest.main(LockCompilationTest::new, args);
+    }
+
+    private LockCompilationTest(TestCase testCase) {
+        super(testCase);
+        // to prevent inlining of #method
+        WHITE_BOX.testSetDontInlineMethod(method, true);
+    }
+
+    protected void test() throws Exception {
+        checkNotCompiled();
+
+        System.out.println("locking compilation");
+        WHITE_BOX.lockCompilation();
+
+        try {
+            System.out.println("trying to compile");
+            compile();
+            // to check if it works correctly w/ safepoints
+            System.out.println("going to safepoint");
+            WHITE_BOX.fullGC();
+            waitBackgroundCompilation();
+            Asserts.assertTrue(
+                    WHITE_BOX.isMethodQueuedForCompilation(method),
+                    method + " must be in queue");
+            Asserts.assertFalse(
+                    WHITE_BOX.isMethodCompiled(method, false),
+                    method + " must be not compiled");
+            Asserts.assertEQ(
+                    WHITE_BOX.getMethodCompilationLevel(method, false), 0,
+                    method + " comp_level must be == 0");
+            Asserts.assertFalse(
+                    WHITE_BOX.isMethodCompiled(method, true),
+                    method + " must be not osr_compiled");
+            Asserts.assertEQ(
+                    WHITE_BOX.getMethodCompilationLevel(method, true), 0,
+                    method + " osr_comp_level must be == 0");
+        } finally {
+            System.out.println("unlocking compilation");
+            WHITE_BOX.unlockCompilation();
+        }
+        waitBackgroundCompilation();
+        Asserts.assertFalse(
+                WHITE_BOX.isMethodQueuedForCompilation(method),
+                method + " must not be in queue");
+    }
+}
+