--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/tiered/CompLevelsTest.java	Sat Oct 19 21:54:44 2013 +0400
@@ -0,0 +1,75 @@
+/*
+ * 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.
+ */
+
+/**
+ * Abstract class for testing of used compilation levels correctness.
+ *
+ * @author igor.ignatyev@oracle.com
+ */
+public abstract class CompLevelsTest extends CompilerWhiteBoxTest {
+    protected CompLevelsTest(TestCase testCase) {
+        super(testCase);
+        // to prevent inlining of #method
+        WHITE_BOX.testSetDontInlineMethod(method, true);
+    }
+
+    /**
+     * Checks that level is available.
+     * @param compLevel level to check
+     */
+    protected void testAvailableLevel(int compLevel, int bci) {
+        if (IS_VERBOSE) {
+            System.out.printf("testAvailableLevel(level = %d, bci = %d)%n",
+                    compLevel, bci);
+        }
+        WHITE_BOX.enqueueMethodForCompilation(method, compLevel, bci);
+        checkCompiled();
+        checkLevel(compLevel, getCompLevel());
+        deoptimize();
+    }
+
+    /**
+     * Checks that level is unavailable.
+     * @param compLevel level to check
+     */
+    protected void testUnavailableLevel(int compLevel, int bci) {
+        if (IS_VERBOSE) {
+            System.out.printf("testUnavailableLevel(level = %d, bci = %d)%n",
+                    compLevel, bci);
+        }
+        WHITE_BOX.enqueueMethodForCompilation(method, compLevel, bci);
+        checkNotCompiled();
+    }
+
+    /**
+     * Checks validity of compilation level.
+     * @param expected expected level
+     * @param actual actually level
+     */
+    protected void checkLevel(int expected, int actual) {
+        if (expected != actual) {
+            throw new RuntimeException("expected[" + expected + "] != actual["
+                    + actual + "]");
+        }
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/tiered/NonTieredLevelsTest.java	Sat Oct 19 21:54:44 2013 +0400
@@ -0,0 +1,96 @@
+/*
+ * 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.
+ */
+
+import java.util.function.IntPredicate;
+
+/**
+ * @test NonTieredLevelsTest
+ * @library /testlibrary /testlibrary/whitebox /compiler/whitebox
+ * @build NonTieredLevelsTest
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -XX:-TieredCompilation
+ *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
+ *                   -XX:CompileCommand=compileonly,TestCase$Helper::*
+ *                   NonTieredLevelsTest
+ * @summary Verify that only one level can be used
+ * @author igor.ignatyev@oracle.com
+ */
+public class NonTieredLevelsTest extends CompLevelsTest {
+    private static final int AVAILABLE_COMP_LEVEL;
+    private static final IntPredicate IS_AVAILABLE_COMPLEVEL;
+    static {
+        String vmName = System.getProperty("java.vm.name");
+        if (vmName.endsWith(" Server VM")) {
+            AVAILABLE_COMP_LEVEL = COMP_LEVEL_FULL_OPTIMIZATION;
+            IS_AVAILABLE_COMPLEVEL = x -> x == COMP_LEVEL_FULL_OPTIMIZATION;
+        } else if (vmName.endsWith(" Client VM")
+                || vmName.endsWith(" Minimal VM")) {
+            AVAILABLE_COMP_LEVEL = COMP_LEVEL_SIMPLE;
+            IS_AVAILABLE_COMPLEVEL = x -> x >= COMP_LEVEL_SIMPLE
+                    && x <= COMP_LEVEL_FULL_PROFILE;
+        } else {
+            throw new RuntimeException("Unknown VM: " + vmName);
+        }
+
+    }
+    public static void main(String[] args) throws Exception {
+        if (TIERED_COMPILATION) {
+            System.err.println("Test isn't applicable w/ enabled "
+                    + "TieredCompilation. Skip test.");
+            return;
+        }
+        for (TestCase test : TestCase.values()) {
+            new NonTieredLevelsTest(test).runTest();
+        }
+    }
+
+    private NonTieredLevelsTest(TestCase testCase) {
+        super(testCase);
+        // to prevent inlining of #method
+        WHITE_BOX.testSetDontInlineMethod(method, true);
+    }
+
+    @Override
+    protected void test() throws Exception {
+        checkNotCompiled();
+        compile();
+        checkCompiled();
+
+        int compLevel = getCompLevel();
+        checkLevel(AVAILABLE_COMP_LEVEL, compLevel);
+        int bci = WHITE_BOX.getMethodEntryBci(method);
+        deoptimize();
+        if (!testCase.isOsr) {
+            for (int level = 1; level <= COMP_LEVEL_MAX; ++level) {
+                if (IS_AVAILABLE_COMPLEVEL.test(level)) {
+                    testAvailableLevel(level, bci);
+                } else {
+                    testUnavailableLevel(level, bci);
+                }
+            }
+        } else {
+            System.out.println("skip other levels testing in OSR");
+            testAvailableLevel(AVAILABLE_COMP_LEVEL, bci);
+        }
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/tiered/TieredLevelsTest.java	Sat Oct 19 21:54:44 2013 +0400
@@ -0,0 +1,88 @@
+/*
+ * 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 TieredLevelsTest
+ * @library /testlibrary /testlibrary/whitebox /compiler/whitebox
+ * @build TieredLevelsTest
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -XX:+TieredCompilation
+ *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
+ *                   -XX:CompileCommand=compileonly,TestCase$Helper::*
+ *                   TieredLevelsTest
+ * @summary Verify that all levels < 'TieredStopAtLevel' can be used
+ * @author igor.ignatyev@oracle.com
+ */
+public class TieredLevelsTest extends CompLevelsTest {
+    public static void main(String[] args) throws Exception {
+        if (!TIERED_COMPILATION) {
+            System.err.println("Test isn't applicable w/ disabled "
+                    + "TieredCompilation. Skip test.");
+            return;
+        }
+        for (TestCase test : TestCase.values()) {
+            new TieredLevelsTest(test).runTest();
+        }
+    }
+
+    private TieredLevelsTest(TestCase testCase) {
+        super(testCase);
+        // to prevent inlining of #method
+        WHITE_BOX.testSetDontInlineMethod(method, true);
+    }
+
+    @Override
+    protected void test() throws Exception {
+        checkNotCompiled();
+        compile();
+        checkCompiled();
+
+        int compLevel = getCompLevel();
+        if (compLevel > TIERED_STOP_AT_LEVEL) {
+            throw new RuntimeException("method.compLevel[" + compLevel
+                    + "] > TieredStopAtLevel [" + TIERED_STOP_AT_LEVEL + "]");
+        }
+        int bci = WHITE_BOX.getMethodEntryBci(method);
+        deoptimize();
+
+        for (int testedTier = 1; testedTier <= TIERED_STOP_AT_LEVEL;
+                ++testedTier) {
+            testAvailableLevel(testedTier, bci);
+        }
+        for (int testedTier = TIERED_STOP_AT_LEVEL + 1;
+                testedTier <= COMP_LEVEL_MAX; ++testedTier) {
+            testUnavailableLevel(testedTier, bci);
+        }
+    }
+
+
+    @Override
+    protected void checkLevel(int expected, int actual) {
+        if (expected == COMP_LEVEL_FULL_PROFILE
+                && actual == COMP_LEVEL_LIMITED_PROFILE) {
+            // for simple method full_profile may be replaced by limited_profile
+            return;
+        }
+        super.checkLevel(expected, actual);
+   }
+}