hotspot/test/compiler/tiered/NonTieredLevelsTest.java
changeset 21090 345ca798bcde
child 22214 c551021e75b2
--- /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);
+        }
+    }
+}