--- a/hotspot/src/share/vm/classfile/symbolTable.cpp	Wed Sep 21 08:38:21 2016 +0000
+++ b/hotspot/src/share/vm/classfile/symbolTable.cpp	Wed Sep 21 11:31:23 2016 +0200
@@ -710,53 +710,3 @@
     return 0;
   }
 }
-
-#ifndef PRODUCT
-// Internal test of TempNewSymbol
-void Test_TempNewSymbol() {
-  // Assert messages assume these symbols are unique, and the refcounts start at
-  // one, but code does not rely on this.
-  Thread* THREAD = Thread::current();
-  Symbol* abc = SymbolTable::new_symbol("abc", CATCH);
-  int abccount = abc->refcount();
-  TempNewSymbol ss = abc;
-  assert(ss->refcount() == abccount, "only one abc");
-  assert(ss->refcount() == abc->refcount(), "should match TempNewSymbol");
-
-  Symbol* efg = SymbolTable::new_symbol("efg", CATCH);
-  Symbol* hij = SymbolTable::new_symbol("hij", CATCH);
-  int efgcount = efg->refcount();
-  int hijcount = hij->refcount();
-
-  TempNewSymbol s1 = efg;
-  TempNewSymbol s2 = hij;
-  assert(s1->refcount() == efgcount, "one efg");
-  assert(s2->refcount() == hijcount, "one hij");
-
-  // Assignment operator
-  s1 = s2;
-  assert(hij->refcount() == hijcount + 1, "should be two hij");
-  assert(efg->refcount() == efgcount - 1, "should be no efg");
-
-  s1 = ss;  // s1 is abc
-  assert(s1->refcount() == abccount + 1, "should be two abc (s1 and ss)");
-  assert(hij->refcount() == hijcount, "should only have one hij now (s2)");
-
-  s1 = s1; // self assignment
-  assert(s1->refcount() == abccount + 1, "should still be two abc (s1 and ss)");
-
-  TempNewSymbol s3;
-  Symbol* klm = SymbolTable::new_symbol("klm", CATCH);
-  int klmcount = klm->refcount();
-  s3 = klm;   // assignment
-  assert(s3->refcount() == klmcount, "only one klm now");
-
-  Symbol* xyz = SymbolTable::new_symbol("xyz", CATCH);
-  int xyzcount = xyz->refcount();
-  { // inner scope
-     TempNewSymbol s_inner = xyz;
-  }
-  assert(xyz->refcount() == (xyzcount - 1),
-         "Should have been decremented by dtor in inner scope");
-}
-#endif // PRODUCT

--- a/hotspot/src/share/vm/oops/arrayOop.cpp	Wed Sep 21 08:38:21 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,62 +0,0 @@
-/*
- * Copyright (c) 1997, 2012, 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"
-
-/////////////// Unit tests ///////////////
-
-#ifndef PRODUCT
-
-#include "oops/arrayOop.hpp"
-#include "oops/oop.inline.hpp"
-#include "utilities/globalDefinitions.hpp"
-
-bool arrayOopDesc::check_max_length_overflow(BasicType type) {
-  julong length = max_array_length(type);
-  julong bytes_per_element = type2aelembytes(type);
-  julong bytes = length * bytes_per_element + header_size_in_bytes();
-  return (julong)(size_t)bytes == bytes;
-}
-
-static void test_max_array_length() {
-  assert(arrayOopDesc::check_max_length_overflow(T_BOOLEAN), "size_t overflow for boolean array");
-  assert(arrayOopDesc::check_max_length_overflow(T_CHAR), "size_t overflow for char array");
-  assert(arrayOopDesc::check_max_length_overflow(T_FLOAT), "size_t overflow for float array");
-  assert(arrayOopDesc::check_max_length_overflow(T_DOUBLE), "size_t overflow for double array");
-  assert(arrayOopDesc::check_max_length_overflow(T_BYTE), "size_t overflow for byte array");
-  assert(arrayOopDesc::check_max_length_overflow(T_SHORT), "size_t overflow for short array");
-  assert(arrayOopDesc::check_max_length_overflow(T_INT), "size_t overflow for int array");
-  assert(arrayOopDesc::check_max_length_overflow(T_LONG), "size_t overflow for long array");
-  assert(arrayOopDesc::check_max_length_overflow(T_OBJECT), "size_t overflow for object array");
-  assert(arrayOopDesc::check_max_length_overflow(T_ARRAY), "size_t overflow for array array");
-  assert(arrayOopDesc::check_max_length_overflow(T_NARROWOOP), "size_t overflow for narrowOop array");
-
-  // T_VOID and T_ADDRESS are not supported by max_array_length()
-}
-
-void arrayOopDesc_test() {
-  test_max_array_length();
-}
-
-#endif //PRODUCT

--- a/hotspot/src/share/vm/oops/arrayOop.hpp	Wed Sep 21 08:38:21 2016 +0000
+++ b/hotspot/src/share/vm/oops/arrayOop.hpp	Wed Sep 21 11:31:23 2016 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 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
@@ -41,6 +41,7 @@
 
 class arrayOopDesc : public oopDesc {
   friend class VMStructs;
+  friend class arrayOopDescTest;
 
   // Interpreter/Compiler offsets
 
@@ -124,10 +125,6 @@
     return (int32_t)max_elements_per_size_t;
   }
 
-// for unit testing
-#ifndef PRODUCT
-  static bool check_max_length_overflow(BasicType type);
-#endif
 };
 
 #endif // SHARE_VM_OOPS_ARRAYOOP_HPP

--- a/hotspot/src/share/vm/utilities/internalVMTests.cpp	Wed Sep 21 08:38:21 2016 +0000
+++ b/hotspot/src/share/vm/utilities/internalVMTests.cpp	Wed Sep 21 11:31:23 2016 +0200
@@ -52,7 +52,6 @@
   run_unit_test(TestVirtualSpaceNode_test);
   run_unit_test(TestGlobalDefinitions_test);
   run_unit_test(GCTimer_test);
-  run_unit_test(arrayOopDesc_test);
   run_unit_test(CollectedHeap_test);
   run_unit_test(QuickSort_test);
   run_unit_test(GuardedMemory_test);
@@ -82,7 +81,6 @@
   run_unit_test(Test_invalid_log_file);
   run_unit_test(Test_multiline_logging);
   run_unit_test(DirectivesParser_test);
-  run_unit_test(Test_TempNewSymbol);
 #if INCLUDE_VM_STRUCTS
   run_unit_test(VMStructs_test);
 #endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/native/classfile/test_symbolTable.cpp	Wed Sep 21 11:31:23 2016 +0200
@@ -0,0 +1,77 @@
+/*
+ * 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 "runtime/interfaceSupport.hpp"
+#include "classfile/symbolTable.hpp"
+#include "unittest.hpp"
+
+TEST(SymbolTable, temp_new_symbol) {
+  // Assert messages assume these symbols are unique, and the refcounts start at
+  // one, but code does not rely on this.
+  JavaThread* THREAD = JavaThread::current();
+  // the thread should be in vm to use locks
+  ThreadInVMfromNative ThreadInVMfromNative(THREAD);
+
+  Symbol* abc = SymbolTable::new_symbol("abc", CATCH);
+  int abccount = abc->refcount();
+  TempNewSymbol ss = abc;
+  ASSERT_EQ(ss->refcount(), abccount) << "only one abc";
+  ASSERT_EQ(ss->refcount(), abc->refcount()) << "should match TempNewSymbol";
+
+  Symbol* efg = SymbolTable::new_symbol("efg", CATCH);
+  Symbol* hij = SymbolTable::new_symbol("hij", CATCH);
+  int efgcount = efg->refcount();
+  int hijcount = hij->refcount();
+
+  TempNewSymbol s1 = efg;
+  TempNewSymbol s2 = hij;
+  ASSERT_EQ(s1->refcount(), efgcount) << "one efg";
+  ASSERT_EQ(s2->refcount(), hijcount) << "one hij";
+
+  // Assignment operator
+  s1 = s2;
+  ASSERT_EQ(hij->refcount(), hijcount + 1) << "should be two hij";
+  ASSERT_EQ(efg->refcount(), efgcount - 1) << "should be no efg";
+
+  s1 = ss; // s1 is abc
+  ASSERT_EQ(s1->refcount(), abccount + 1) << "should be two abc (s1 and ss)";
+  ASSERT_EQ(hij->refcount(), hijcount) << "should only have one hij now (s2)";
+
+  s1 = s1; // self assignment
+  ASSERT_EQ(s1->refcount(), abccount + 1) << "should still be two abc (s1 and ss)";
+
+  TempNewSymbol s3;
+  Symbol* klm = SymbolTable::new_symbol("klm", CATCH);
+  int klmcount = klm->refcount();
+  s3 = klm; // assignment
+  ASSERT_EQ(s3->refcount(), klmcount) << "only one klm now";
+
+  Symbol* xyz = SymbolTable::new_symbol("xyz", CATCH);
+  int xyzcount = xyz->refcount();
+  { // inner scope
+    TempNewSymbol s_inner = xyz;
+  }
+  ASSERT_EQ(xyz->refcount(), xyzcount - 1)
+          << "Should have been decremented by dtor in inner scope";
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/native/oops/test_arrayOop.cpp	Wed Sep 21 11:31:23 2016 +0200
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 1997, 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 "oops/arrayOop.hpp"
+#include "oops/oop.inline.hpp"
+#include "unittest.hpp"
+#include "utilities/globalDefinitions.hpp"
+
+class arrayOopDescTest {
+ public:
+
+  static int header_size_in_bytes() {
+    return arrayOopDesc::header_size_in_bytes();
+  }
+};
+
+static bool check_max_length_overflow(BasicType type) {
+  julong length = arrayOopDesc::max_array_length(type);
+  julong bytes_per_element = type2aelembytes(type);
+  julong bytes = length * bytes_per_element
+          + arrayOopDescTest::header_size_in_bytes();
+  return (julong) (size_t) bytes == bytes;
+}
+
+TEST(arrayOopDesc, boolean) {
+  ASSERT_PRED1(check_max_length_overflow, T_BOOLEAN);
+}
+
+TEST(arrayOopDesc, char) {
+  ASSERT_PRED1(check_max_length_overflow, T_CHAR);
+}
+
+TEST(arrayOopDesc, float) {
+  ASSERT_PRED1(check_max_length_overflow, T_FLOAT);
+}
+
+TEST(arrayOopDesc, double) {
+  ASSERT_PRED1(check_max_length_overflow, T_DOUBLE);
+}
+
+TEST(arrayOopDesc, byte) {
+  ASSERT_PRED1(check_max_length_overflow, T_BYTE);
+}
+
+TEST(arrayOopDesc, short) {
+  ASSERT_PRED1(check_max_length_overflow, T_SHORT);
+}
+
+TEST(arrayOopDesc, int) {
+  ASSERT_PRED1(check_max_length_overflow, T_INT);
+}
+
+TEST(arrayOopDesc, long) {
+  ASSERT_PRED1(check_max_length_overflow, T_LONG);
+}
+
+TEST(arrayOopDesc, object) {
+  ASSERT_PRED1(check_max_length_overflow, T_OBJECT);
+}
+
+TEST(arrayOopDesc, array) {
+  ASSERT_PRED1(check_max_length_overflow, T_ARRAY);
+}
+
+TEST(arrayOopDesc, narrowOop) {
+  ASSERT_PRED1(check_max_length_overflow, T_NARROWOOP);
+}
+// T_VOID and T_ADDRESS are not supported by max_array_length()