8163860: Convert TestOldFreeSpaceCalculation_test to GTest

Reviewed-by: iignatyev, dfazunen

hotspot/src/share/vm/gc/parallel/psAdaptiveSizePolicy.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2016, 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
@@ -1133,18 +1133,3 @@ bool PSAdaptiveSizePolicy::print() const {
 
   return false;
 }
-
-#ifndef PRODUCT
-
-void TestOldFreeSpaceCalculation_test() {
-  assert(PSAdaptiveSizePolicy::calculate_free_based_on_live(100, 20) == 25, "Calculation of free memory failed");
-  assert(PSAdaptiveSizePolicy::calculate_free_based_on_live(100, 50) == 100, "Calculation of free memory failed");
-  assert(PSAdaptiveSizePolicy::calculate_free_based_on_live(100, 60) == 150, "Calculation of free memory failed");
-  assert(PSAdaptiveSizePolicy::calculate_free_based_on_live(100, 75) == 300, "Calculation of free memory failed");
-  assert(PSAdaptiveSizePolicy::calculate_free_based_on_live(400, 20) == 100, "Calculation of free memory failed");
-  assert(PSAdaptiveSizePolicy::calculate_free_based_on_live(400, 50) == 400, "Calculation of free memory failed");
-  assert(PSAdaptiveSizePolicy::calculate_free_based_on_live(400, 60) == 600, "Calculation of free memory failed");
-  assert(PSAdaptiveSizePolicy::calculate_free_based_on_live(400, 75) == 1200, "Calculation of free memory failed");
-}
-
-#endif /* !PRODUCT */

hotspot/src/share/vm/utilities/internalVMTests.cpp

@@ -87,7 +87,6 @@ void InternalVMTests::run() {
   run_unit_test(VMStructs_test);
 #endif
 #if INCLUDE_ALL_GCS
-  run_unit_test(TestOldFreeSpaceCalculation_test);
   run_unit_test(TestG1BiasedArray_test);
   run_unit_test(TestBufferingOopClosure_test);
   run_unit_test(TestCodeCacheRemSet_test);

hotspot/test/native/gc/parallel/test_psAdaptiveSizePolicy.cpp

@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2016, 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.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "utilities/macros.hpp"
+#include "gc/parallel/psAdaptiveSizePolicy.hpp"
+#include "unittest.hpp"
+
+#if INCLUDE_ALL_GCS
+
+  TEST_VM(gc, oldFreeSpaceCalculation) {
+
+    struct TestCase {
+        size_t live;
+        uintx ratio;
+        size_t expectedResult;
+    };
+
+    TestCase test_cases[] = {
+                                {100, 20, 25},
+                                {100, 50, 100},
+                                {100, 60, 150},
+                                {100, 75, 300},
+                                {400, 20, 100},
+                                {400, 50, 400},
+                                {400, 60, 600},
+                                {400, 75, 1200},
+                            };
+
+    size_t array_len = sizeof(test_cases) / sizeof(TestCase);
+    for (size_t i = 0; i < array_len; ++i) {
+      ASSERT_EQ(PSAdaptiveSizePolicy::calculate_free_based_on_live(
+          test_cases[i].live, test_cases[i].ratio),
+          test_cases[i].expectedResult)
+          << " Calculation of free memory failed"
+          << " - Test case " << i << ": live = " << test_cases[i].live
+          << "; ratio = " << test_cases[i].ratio;
+    }
+  }
+#endif