# HG changeset patch
# User iignatyev
# Date 1463064752 -10800
#      Thu May 12 17:52:32 2016 +0300
# Node ID 473a3dff33e5773bd9501d12c3d78a45e8bee108
# Parent  781e19537e1768d4118071bf54430dd83ac0cb25
8156681: Add jtreg wrapper for hotspot gtest tests
Reviewed-by: jwilhelm

diff --git a/test/native/GTestWrapper.java b/test/native/GTestWrapper.java
new file mode 100644
--- /dev/null
+++ b/test/native/GTestWrapper.java
@@ -0,0 +1,85 @@
+/*
+ * 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.
+ *
+ */
+
+/* @test
+ * @summary a jtreg wrapper for gtest tests
+ * @library /testlibrary
+ * @modules java.base/jdk.internal.misc
+ * @run main/native GTestWrapper
+ */
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Stream;
+import java.util.stream.Collectors;
+
+import java.nio.file.Paths;
+import java.nio.file.Path;
+
+import jdk.test.lib.Platform;
+import jdk.test.lib.ProcessTools;
+import jdk.test.lib.OutputAnalyzer;
+import jdk.test.lib.Utils;
+
+public class GTestWrapper {
+    public static void main(String[] args) throws Throwable {
+        // nativePath points either to <test_image>/hotspot/jtreg/native or to <test_image>/hotspot/gtest
+        Path nativePath = Paths.get(System.getProperty("test.nativepath"));
+        // let's assume it's <test_image>/hotspot/gtest
+        Path path = getJVMVariantSubDir(nativePath);
+        if (!path.toFile().exists()) {
+            // maybe it is <test_image>/hotspot/jtreg/native
+            path = getJVMVariantSubDir(nativePath.getParent()
+                                                 .getParent()
+                                                 .resolve("gtest"));
+        }
+        if (!path.toFile().exists()) {
+            throw new Error("TESTBUG: the library has not been found in " + nativePath);
+        }
+        path = path.resolve("gtestLauncher" + (Platform.isWindows() ? ".exe" : ""));
+        List<String> cmds = Stream.concat(
+                Stream.of(
+                        path.toString(),
+                        "-jdk",
+                        System.getProperty("test.jdk")),
+                Arrays.stream(Utils.getTestJavaOpts())
+                      .filter(s -> s.startsWith("-X") || s.startsWith("-D")))
+                .collect(Collectors.toList());
+        ProcessBuilder builder = new ProcessBuilder(cmds);
+        OutputAnalyzer oa = ProcessTools.executeProcess(builder);
+        oa.shouldHaveExitValue(0);
+    }
+
+    private static Path getJVMVariantSubDir(Path root) {
+        if (Platform.isServer()) {
+            return root.resolve("server");
+        } else if (Platform.isClient()) {
+            return root.resolve("client");
+        } else if (Platform.isMinimal()) {
+            return root.resolve("minimal");
+        } else {
+            throw new Error("TESTBUG: unsuppported vm variant");
+        }
+    }
+}