changeset 11200:148981ec9f91

8148244: Finalize and integrate GTest implementation Reviewed-by: jwilhelm, erikj Contributed-by: stefan.karlsson@oracle.com, stefan.sarne@oracle.com, jesper.wilhelmsson@oracle.com, erik.helin@oracle.com, alexandre.iline@oracle.com, igor.ignatyev@oracle.com, erik.joelsson@oracle.com
author iignatyev
date Mon, 09 May 2016 14:15:40 +0300
parents d590007cce26
children 781e19537e17
files make/lib/CompileGtest.gmk make/lib/CompileLibraries.gmk make/lib/JvmMapfile.gmk make/test/GtestImage.gmk test/Makefile test/native/gtestLauncher.cpp test/native/gtestMain.cpp test/native/runtime/test_os.cpp test/native/unittest.hpp test/native/utilities/test_quicksort.cpp
diffstat 10 files changed, 662 insertions(+), 10 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/make/lib/CompileGtest.gmk	Mon May 09 14:15:40 2016 +0300
@@ -0,0 +1,116 @@
+#
+# 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.  Oracle designates this
+# particular file as subject to the "Classpath" exception as provided
+# by Oracle in the LICENSE file that accompanied this code.
+#
+# 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.
+#
+
+GTEST_TEST_SRC := $(HOTSPOT_TOPDIR)/test/native
+GTEST_FRAMEWORK_SRC := $(SRC_ROOT)/test/fmw/gtest
+
+# On Windows, there are no internal debug symbols so must set copying to true
+# to get any at all.
+ifeq ($(OPENJDK_TARGET_OS), windows)
+  GTEST_COPY_DEBUG_SYMBOLS := true
+else
+  GTEST_COPY_DEBUG_SYMBOLS := false
+endif
+
+################################################################################
+
+GTEST_TEST_SRC_FILES := $(shell $(FIND) $(HOTSPOT_TOPDIR)/test/native -name \
+    "test*.cpp" -type f)
+
+ifeq ($(OPENJDK_TARGET_OS), windows)
+  GTEST_JVM_MAPFILE := $(JVM_MAPFILE)
+else
+  GTEST_JVM_MAPFILE := $(JVM_OUTPUTDIR)/gtest/mapfile
+
+  $(JVM_OUTPUTDIR)/gtest/symbols: $(JVM_OUTPUTDIR)/symbols
+	$(call MakeDir, $(@D))
+	( $(CAT) $< ; echo "runUnitTests" ) > $@
+
+  $(GTEST_JVM_MAPFILE): $(JVM_OUTPUTDIR)/gtest/symbols
+	$(call create-mapfile)
+endif
+
+# Disabling switch warning for clang because of test source.
+
+$(eval $(call SetupNativeCompilation, BUILD_GTEST_LIBJVM, \
+    TOOLCHAIN := $(JVM_TOOLCHAIN), \
+    LIBRARY := jvm, \
+    OUTPUT_DIR := $(JVM_OUTPUTDIR)/gtest, \
+    EXTRA_FILES := $(GTEST_TEST_SRC_FILES) \
+        $(GTEST_FRAMEWORK_SRC)/src/gtest-all.cc \
+        $(GTEST_TEST_SRC)/gtestMain.cpp, \
+    OBJECT_DIR := $(JVM_OUTPUTDIR)/gtest/objs, \
+    EXTRA_OBJECT_FILES := $(filter-out %/operator_new$(OBJ_SUFFIX), \
+        $(BUILD_LIBJVM_ALL_OBJS)), \
+    CFLAGS := $(JVM_CFLAGS) -I$(GTEST_FRAMEWORK_SRC) \
+        -I$(GTEST_FRAMEWORK_SRC)/include \
+        -I$(GTEST_TEST_SRC), \
+    CFLAGS_windows := /EHsc, \
+    CFLAGS_solaris := -DGTEST_HAS_EXCEPTIONS=0 -library=stlport4, \
+    CFLAGS_macosx := -DGTEST_OS_MAC=1, \
+    CFLAGS_DEBUG_SYMBOLS := $(JVM_CFLAGS_SYMBOLS), \
+    CXXFLAGS_DEBUG_SYMBOLS := $(JVM_CFLAGS_SYMBOLS), \
+    DISABLED_WARNINGS_gcc := undef, \
+    DISABLED_WARNINGS_clang := undef switch format-nonliteral \
+        tautological-undefined-compare, \
+    DISABLED_WARNINGS_solstudio := identexpected, \
+    LDFLAGS := $(JVM_LDFLAGS), \
+    LDFLAGS_solaris := -library=stlport4 $(call SET_SHARED_LIBRARY_ORIGIN), \
+    LIBS := $(JVM_LIBS), \
+    OPTIMIZATION := $(JVM_OPTIMIZATION), \
+    MAPFILE := $(GTEST_JVM_MAPFILE), \
+    USE_MAPFILE_FOR_SYMBOLS := true, \
+    COPY_DEBUG_SYMBOLS := $(GTEST_COPY_DEBUG_SYMBOLS), \
+    ZIP_EXTERNAL_DEBUG_SYMBOLS := false, \
+))
+
+TARGETS += $(BUILD_GTEST_LIBJVM)
+
+################################################################################
+
+$(eval $(call SetupNativeCompilation, BUILD_GTEST_LAUNCHER, \
+    TOOLCHAIN := $(JVM_TOOLCHAIN), \
+    PROGRAM := gtestLauncher, \
+    OUTPUT_DIR := $(JVM_OUTPUTDIR)/gtest, \
+    EXTRA_FILES := $(GTEST_TEST_SRC)/gtestLauncher.cpp, \
+    OBJECT_DIR := $(JVM_OUTPUTDIR)/gtest/launcher-objs, \
+    CFLAGS := $(JVM_CFLAGS) -I$(GTEST_FRAMEWORK_SRC) \
+        -I$(GTEST_FRAMEWORK_SRC)/include, \
+    CFLAGS_DEBUG_SYMBOLS := $(JVM_CFLAGS_SYMBOLS), \
+    CXXFLAGS_DEBUG_SYMBOLS := $(JVM_CFLAGS_SYMBOLS), \
+    LDFLAGS := $(LDFLAGS_TESTEXE), \
+    LDFLAGS_unix := -L$(JVM_OUTPUTDIR)/gtest $(call SET_SHARED_LIBRARY_ORIGIN), \
+    LDFLAGS_solaris := -library=stlport4, \
+    LIBS_unix := -ljvm, \
+    LIBS_windows := $(JVM_OUTPUTDIR)/gtest/objs/jvm.lib, \
+    COPY_DEBUG_SYMBOLS := $(GTEST_COPY_DEBUG_SYMBOLS), \
+    ZIP_EXTERNAL_DEBUG_SYMBOLS := false, \
+))
+
+$(BUILD_GTEST_LAUNCHER): $(BUILD_GTEST_LIBJVM)
+
+TARGETS += $(BUILD_GTEST_LAUNCHER)
+
+################################################################################
--- a/make/lib/CompileLibraries.gmk	Mon May 09 14:15:39 2016 +0300
+++ b/make/lib/CompileLibraries.gmk	Mon May 09 14:15:40 2016 +0300
@@ -37,6 +37,10 @@
 include lib/CompileJvm.gmk
 include lib/CompileDtracePostJvm.gmk
 
+ifeq ($(BUILD_GTEST), true)
+  include lib/CompileGtest.gmk
+endif
+
 all: $(TARGETS)
 
 .PHONY: all
--- a/make/lib/JvmMapfile.gmk	Mon May 09 14:15:39 2016 +0300
+++ b/make/lib/JvmMapfile.gmk	Mon May 09 14:15:40 2016 +0300
@@ -153,20 +153,33 @@
 ################################################################################
 # Finally convert the symbol list into a platform-specific mapfile
 
-$(JVM_MAPFILE): $(JVM_OUTPUTDIR)/symbols
-	$(call LogInfo, Creating mapfile)
-	$(RM) $@
-        ifeq ($(OPENJDK_TARGET_OS), macosx)
-          # On macosx, we need to add a leading underscore
+ifeq ($(OPENJDK_TARGET_OS), macosx)
+  # On macosx, we need to add a leading underscore
+  define create-mapfile-work
 	  $(AWK) '{ if ($$0 ~ ".") { print "  _" $$0 } }'  < $^ > $@.tmp
-        else ifeq ($(OPENJDK_TARGET_OS), windows)
-          # On windows, add an 'EXPORTS' header
+  endef
+else ifeq ($(OPENJDK_TARGET_OS), windows)
+  # On windows, add an 'EXPORTS' header
+  define create-mapfile-work
 	  $(ECHO) "EXPORTS" > $@.tmp
 	  $(AWK) '{ if ($$0 ~ ".") { print "  " $$0 } }'  < $^ >> $@.tmp
-        else
-          # Assume standard linker script
+  endef
+else
+  # Assume standard linker script
+  define create-mapfile-work
 	  $(PRINTF) "SUNWprivate_1.1 { \n  global: \n" > $@.tmp
 	  $(AWK) '{ if ($$0 ~ ".") { print "    " $$0 ";" } }' < $^ >> $@.tmp
 	  $(PRINTF) "  local: \n    *; \n }; \n" >> $@.tmp
-        endif
+  endef
+endif
+
+define create-mapfile
+	$(call LogInfo, Creating mapfile)
+	$(call MakeDir, $(@D))
+	$(call create-mapfile-work)
+	$(RM) $@
 	$(MV) $@.tmp $@
+endef
+
+$(JVM_MAPFILE): $(JVM_OUTPUTDIR)/symbols
+	$(call create-mapfile)
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/make/test/GtestImage.gmk	Mon May 09 14:15:40 2016 +0300
@@ -0,0 +1,67 @@
+#
+# 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.  Oracle designates this
+# particular file as subject to the "Classpath" exception as provided
+# by Oracle in the LICENSE file that accompanied this code.
+#
+# 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.
+#
+
+default: all
+
+include $(SPEC)
+include MakeBase.gmk
+
+$(foreach v, $(JVM_VARIANTS), \
+  $(eval $(call SetupCopyFiles, COPY_GTEST_$v, \
+      SRC := $(HOTSPOT_OUTPUTDIR)/variant-$v/libjvm/gtest, \
+      DEST := $(TEST_IMAGE_DIR)/hotspot/gtest/$v, \
+      FILES := $(call SHARED_LIBRARY,jvm) gtestLauncher$(EXE_SUFFIX), \
+  )) \
+  $(eval TARGETS += $$(COPY_GTEST_$v)) \
+)
+
+ifeq ($(OPENJDK_TARGET_OS), windows)
+  $(foreach v, $(JVM_VARIANTS), \
+    $(eval $(call SetupCopyFiles, COPY_GTEST_MSVCR_$v, \
+        DEST := $(TEST_IMAGE_DIR)/hotspot/gtest/$v, \
+        FILES := $(MSVCR_DLL) $(MSVCP_DLL), \
+        FLATTEN := true, \
+    )) \
+    $(eval TARGETS += $$(COPY_GTEST_MSVCR_$v)) \
+    $(eval $(call SetupCopyFiles, COPY_GTEST_PDB_$v, \
+        SRC := $(HOTSPOT_OUTPUTDIR)/variant-$v/libjvm/gtest, \
+        DEST := $(TEST_IMAGE_DIR)/hotspot/gtest/$v, \
+        FILES := jvm.pdb gtestLauncher.pdb, \
+    )) \
+    $(eval TARGETS += $$(COPY_GTEST_PDB_$v)) \
+  )
+endif
+
+ifeq ($(OPENJDK_TARGET_OS), solaris)
+  $(foreach v, $(JVM_VARIANTS), \
+    $(eval $(call SetupCopyFiles, COPY_GTEST_STLPORT_$v, \
+        DEST := $(TEST_IMAGE_DIR)/hotspot/gtest/$v, \
+        FILES := $(STLPORT_LIB), \
+    )) \
+    $(eval TARGETS += $$(COPY_GTEST_STLPORT_$v)) \
+  )
+endif
+
+all: $(TARGETS)
--- a/test/Makefile	Mon May 09 14:15:39 2016 +0300
+++ b/test/Makefile	Mon May 09 14:15:40 2016 +0300
@@ -52,6 +52,11 @@
 WC        = wc
 ZIP       = zip
 
+define NEWLINE
+
+
+endef
+
 # Get OS name from uname (Cygwin inexplicably adds _NT-5.1)
 UNAME_S := $(shell $(UNAME) -s | $(CUT) -f1 -d_)
 ifeq ($(UNAME_S), SunOS)
@@ -427,6 +432,20 @@
 
 ################################################################
 
+# Run the native gtest tests from the test image
+
+hotspot_gtest:
+	$(foreach v, $(JVM_VARIANTS), \
+	  $(MAKE) hotspot_gtest$v $(NEWLINE) )
+
+hotspot_gtestserver hotspot_gtestclient hotspot_gtestminimal: hotspot_gtest%:
+	$(TESTNATIVE_DIR)/hotspot/gtest/$*/gtestLauncher \
+	    -jdk $(shell $(GETMIXEDPATH) "$(PRODUCT_HOME)")
+
+PHONY_LIST += hotspot_gtest hotspot_gtestserver hotspot_gtestclient \
+    hotspot_gtestminimal
+
+################################################################
 # Phony targets (e.g. these are not filenames)
 .PHONY: all clean prep $(PHONY_LIST)
 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/native/gtestLauncher.cpp	Mon May 09 14:15:40 2016 +0300
@@ -0,0 +1,34 @@
+/*
+ * 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 "prims/jni.h"
+
+extern "C" {
+  JNIIMPORT void JNICALL runUnitTests(int argv, char** argc);
+}
+
+int main(int argc, char** argv) {
+  runUnitTests(argc, argv);
+  return 0;
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/native/gtestMain.cpp	Mon May 09 14:15:40 2016 +0300
@@ -0,0 +1,203 @@
+/*
+ * 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 <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#ifdef __APPLE__
+#  include <dlfcn.h>
+#endif
+
+#include "prims/jni.h"
+#include "unittest.hpp"
+
+extern "C" {
+
+static int init_jvm(int argc, char **argv, bool is_executing_death_test) {
+  // don't care about the program name
+  argc--;
+  argv++;
+
+  int extra_jvm_args = is_executing_death_test ? 4 : 2;
+  int num_jvm_options = argc + extra_jvm_args;
+
+  JavaVMOption* options = new JavaVMOption[num_jvm_options];
+  options[0].optionString = (char*) "-Dsun.java.launcher.is_altjvm=true";
+  options[1].optionString = (char*) "-XX:+ExecutingUnitTests";
+
+  if (is_executing_death_test) {
+    // don't create core files or hs_err files when executing death tests
+    options[2].optionString = (char*) "-XX:+SuppressFatalErrorMessage";
+    options[3].optionString = (char*) "-XX:-CreateCoredumpOnCrash";
+  }
+
+  for (int i = 0; i < argc; i++) {
+    options[extra_jvm_args + i].optionString = argv[i];
+  }
+
+  JavaVMInitArgs args;
+  args.version = JNI_VERSION_1_8;
+  args.nOptions = num_jvm_options;
+  args.options = options;
+
+  JavaVM* jvm;
+  JNIEnv* env;
+
+  return JNI_CreateJavaVM(&jvm, (void**)&env, &args);
+}
+
+class JVMInitializerListener : public ::testing::EmptyTestEventListener {
+ private:
+  int _argc;
+  char** _argv;
+  bool _is_initialized;
+
+  void initialize_jvm() {
+  }
+
+ public:
+  JVMInitializerListener(int argc, char** argv) :
+    _argc(argc), _argv(argv), _is_initialized(false) {
+  }
+
+  virtual void OnTestStart(const ::testing::TestInfo& test_info) {
+    const char* name = test_info.name();
+    if (strstr(name, "_test_vm") != NULL && !_is_initialized) {
+      ASSERT_EQ(init_jvm(_argc, _argv, false), 0) << "Could not initialize the JVM";
+      _is_initialized = true;
+    }
+  }
+};
+
+static bool is_prefix(const char* prefix, const char* str) {
+  return strncmp(str, prefix, strlen(prefix)) == 0;
+}
+
+static char* get_java_home_arg(int argc, char** argv) {
+  for (int i = 0; i < argc; i++) {
+    if (strncmp(argv[i], "-jdk", strlen(argv[i])) == 0) {
+      return argv[i+1];
+    }
+    if (is_prefix("--jdk=", argv[i])) {
+      return argv[i] + strlen("--jdk=");
+    }
+    if (is_prefix("-jdk:", argv[i])) {
+      return argv[i] + strlen("-jdk:");
+    }
+  }
+  return NULL;
+}
+
+static int num_args_to_skip(char* arg) {
+  if (strcmp(arg, "-jdk") == 0) {
+    return 2; // skip the argument after -jdk as well
+  }
+  if (is_prefix("--jdk=", arg)) {
+    return 1;
+  }
+  if (is_prefix("-jdk:", arg)) {
+    return 1;
+  }
+  return 0;
+}
+
+static char** remove_test_runner_arguments(int* argcp, char **argv) {
+  int argc = *argcp;
+  char** new_argv = (char**) malloc(sizeof(char*) * argc);
+  int new_argc = 0;
+
+  int i = 0;
+  while (i < argc) {
+    int args_to_skip = num_args_to_skip(argv[i]);
+    if (args_to_skip == 0) {
+      new_argv[new_argc] = argv[i];
+      i++;
+      new_argc++;
+    } else {
+      i += num_args_to_skip(argv[i]);
+    }
+  }
+
+  *argcp = new_argc;
+  return new_argv;
+}
+
+JNIEXPORT void JNICALL runUnitTests(int argc, char** argv) {
+  // Must look at googletest options before initializing googletest, since
+  // InitGoogleTest removes googletest options from argv.
+  bool is_executing_death_test = true;
+  for (int i = 0; i < argc; i++) {
+    const char* death_test_flag = "--gtest_internal_run_death_test";
+    if (is_prefix(death_test_flag, argv[i])) {
+      is_executing_death_test = true;
+    }
+  }
+
+  ::testing::InitGoogleTest(&argc, argv);
+  ::testing::GTEST_FLAG(death_test_style) = "threadsafe";
+//  ::testing::GTEST_FLAG(death_test_output_prefix) = "Other VM";
+
+  char* java_home = get_java_home_arg(argc, argv);
+  if (java_home == NULL) {
+    fprintf(stderr, "ERROR: You must specify a JDK to use for running the unit tests.\n");
+    exit(1);
+  }
+#ifndef _WIN32
+  int overwrite = 1; // overwrite an eventual existing value for JAVA_HOME
+  setenv("JAVA_HOME", java_home, overwrite);
+
+// workaround for JDK-7131356
+#ifdef __APPLE__
+  size_t len = strlen(java_home) + strlen("/lib/jli/libjli.dylib") + 1;
+  char* path = new char[len];
+  snprintf(path, len, "%s/lib/jli/libjli.dylib", java_home);
+  dlopen(path, RTLD_NOW | RTLD_GLOBAL);
+#endif // __APPLE__
+
+#else  // _WIN32
+  char* java_home_var = "_ALT_JAVA_HOME_DIR";
+  size_t len = strlen(java_home) + strlen(java_home_var) + 2;
+  char * envString = new char[len];
+  sprintf_s(envString, len, "%s=%s", java_home_var, java_home);
+  _putenv(envString);
+#endif // _WIN32
+  argv = remove_test_runner_arguments(&argc, argv);
+
+  if (is_executing_death_test) {
+    if (init_jvm(argc, argv, true) != 0) {
+      abort();
+    }
+  } else {
+    ::testing::TestEventListeners& listeners = ::testing::UnitTest::GetInstance()->listeners();
+    listeners.Append(new JVMInitializerListener(argc, argv));
+  }
+
+  int result = RUN_ALL_TESTS();
+  if (result != 0) {
+    fprintf(stderr, "ERROR: RUN_ALL_TESTS() failed. Error %d\n", result);
+    exit(2);
+  }
+}
+
+} // extern "C"
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/native/runtime/test_os.cpp	Mon May 09 14:15:40 2016 +0300
@@ -0,0 +1,45 @@
+/*
+ * 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 "runtime/os.hpp"
+#include "unittest.hpp"
+
+TEST_VM(os, page_size_for_region) {
+  size_t large_page_example = 4 * M;
+  size_t large_page = os::page_size_for_region_aligned(large_page_example, 1);
+
+  size_t small_page = os::vm_page_size();
+  if (large_page > small_page) {
+    size_t num_small_in_large = large_page / small_page;
+    size_t page = os::page_size_for_region_aligned(large_page, num_small_in_large);
+    ASSERT_EQ(page, small_page) << "Did not get a small page";
+  }
+}
+
+#ifdef ASSERT
+TEST_VM_ASSERT_MSG(os, page_size_for_region_with_zero_min_pages, "sanity") {
+  size_t region_size = 16 * os::vm_page_size();
+  os::page_size_for_region_aligned(region_size, 0); // should assert
+}
+#endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/native/unittest.hpp	Mon May 09 14:15:40 2016 +0300
@@ -0,0 +1,104 @@
+/*
+ * 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 <stdlib.h>
+#include <stdio.h>
+
+#define GTEST_DONT_DEFINE_TEST 1
+#include "gtest/gtest.h"
+#ifdef assert
+  #undef assert
+#endif
+
+#define CONCAT(a, b) a ## b
+
+#define TEST(category, name) GTEST_TEST(category, CONCAT(name, _test))
+
+#define TEST_VM(category, name) GTEST_TEST(category, CONCAT(name, _test_vm))
+
+#define TEST_VM_F(test_fixture, name)                               \
+  GTEST_TEST_(test_fixture, name ## _test_vm, test_fixture,         \
+              ::testing::internal::GetTypeId<test_fixture>())
+
+#define TEST_OTHER_VM(category, name)                               \
+  static void test_  ## category ## _ ## name ## _();               \
+                                                                    \
+  static void child_ ## category ## _ ## name ## _() {              \
+    ::testing::GTEST_FLAG(throw_on_failure) = true;                 \
+    test_ ## category ## _ ## name ## _();                          \
+    fprintf(stderr, "OKIDOKI");                                     \
+    exit(0);                                                        \
+  }                                                                 \
+                                                                    \
+  TEST(category, CONCAT(name, _other_vm)) {                         \
+    ASSERT_EXIT(child_ ## category ## _ ## name ## _(),             \
+                ::testing::ExitedWithCode(0),                       \
+                ".*OKIDOKI.*");                                     \
+  }                                                                 \
+                                                                    \
+  void test_ ## category ## _ ## name ## _()
+
+#ifdef ASSERT
+#define TEST_VM_ASSERT(category, name)                              \
+  static void test_  ## category ## _ ## name ## _();               \
+                                                                    \
+  static void child_ ## category ## _ ## name ## _() {              \
+    ::testing::GTEST_FLAG(throw_on_failure) = true;                 \
+    test_ ## category ## _ ## name ## _();                          \
+    exit(0);                                                        \
+  }                                                                 \
+                                                                    \
+  TEST(category, CONCAT(name, _vm_assert)) {                        \
+    ASSERT_EXIT(child_ ## category ## _ ## name ## _(),             \
+                ::testing::ExitedWithCode(1),                       \
+                "assert failed");                                   \
+  }                                                                 \
+                                                                    \
+  void test_ ## category ## _ ## name ## _()
+#else
+#define TEST_VM_ASSERT(...)                                         \
+    TEST_VM_ASSERT is only available in debug builds
+#endif
+
+#ifdef ASSERT
+#define TEST_VM_ASSERT_MSG(category, name, msg)                     \
+  static void test_  ## category ## _ ## name ## _();               \
+                                                                    \
+  static void child_ ## category ## _ ## name ## _() {              \
+    ::testing::GTEST_FLAG(throw_on_failure) = true;                 \
+    test_ ## category ## _ ## name ## _();                          \
+    exit(0);                                                        \
+  }                                                                 \
+                                                                    \
+  TEST(category, CONCAT(name, _vm_assert)) {                        \
+    ASSERT_EXIT(child_ ## category ## _ ## name ## _(),             \
+                ::testing::ExitedWithCode(1),                       \
+                "assert failed: " msg);                             \
+  }                                                                 \
+                                                                    \
+  void test_ ## category ## _ ## name ## _()
+#else
+#define TEST_VM_ASSERT_MSG(...)                                     \
+    TEST_VM_ASSERT_MSG is only available in debug builds
+#endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/native/utilities/test_quicksort.cpp	Mon May 09 14:15:40 2016 +0300
@@ -0,0 +1,47 @@
+/*
+ * 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 "prims/jvm.h"
+#include "utilities/quickSort.hpp"
+#include "unittest.hpp"
+
+static int int_comparator(int a, int b) {
+  if (a == b) {
+    return 0;
+  } else if (a < b) {
+    return -1;
+  }
+
+  // a > b
+  return 1;
+}
+
+TEST(utilities, quicksort) {
+  int test_array[] = {3,2,1};
+  QuickSort::sort(test_array, 3, int_comparator, false);
+
+  ASSERT_EQ(1, test_array[0]);
+  ASSERT_EQ(2, test_array[1]);
+  ASSERT_EQ(3, test_array[2]);
+}