test/hotspot/jtreg/runtime/BoolReturn/JNIBooleanTest.java
changeset 51571 126951ca1462
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/BoolReturn/JNIBooleanTest.java	Tue Aug 21 09:25:06 2018 +0200
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2018 SAP SE. 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
+ * @bug 8209637
+ * @summary [s390x] Interpreter doesn't call result handler after native calls
+ * @author Volker Simonis
+ *
+ * @run main/othervm/native -XX:-UseOnStackReplacement -Xbatch JNIBooleanTest 50000
+ * @run main/othervm/native -Xint JNIBooleanTest 256
+ */
+
+import java.lang.reflect.Method;
+
+public class JNIBooleanTest {
+  static native boolean foo(byte b);
+
+  static boolean bar(byte b) {
+    return foo(b);
+  }
+
+  public static void main(String args[]) throws Exception {
+    int count = args.length > 0 ? Integer.parseInt(args[0]) : 50_000;
+    byte b = 0;
+    for (int i = 0; i < count; i++) {
+      boolean bool = foo(b);
+      if ((b == 0 && bool) || (b != 0 && !bool)) {
+        throw new RuntimeException("Error: foo(" + b + ") = " + bool + " in iteration " + i);
+      }
+      b++;
+    }
+
+    b = 0;
+    for (int i = 0; i < count; i++) {
+      boolean bool = bar(b);
+      if ((b == 0 && bool) || (b != 0 && !bool)) {
+        throw new RuntimeException("Error: bar(" + b + ") = " + bool + " in iteration " + i);
+      }
+      b++;
+    }
+
+    Method foo = JNIBooleanTest.class.getDeclaredMethod("foo", byte.class);
+
+    b = 0;
+    for (int i = 0; i < count; i++) {
+      boolean bool = ((Boolean)foo.invoke(null, b)).booleanValue();
+      if ((b == 0 && bool) || (b != 0 && !bool)) {
+        throw new RuntimeException("Error: foo(" + b + ") = " + bool + " in iteration " + i + " (reflective)");
+      }
+      b++;
+    }
+
+    Method bar = JNIBooleanTest.class.getDeclaredMethod("bar", byte.class);
+
+    b = 0;
+    for (int i = 0; i < count; i++) {
+      boolean bool = ((Boolean)bar.invoke(null, b)).booleanValue();
+      if ((b == 0 && bool) || (b != 0 && !bool)) {
+        throw new RuntimeException("Error: bar(" + b + ") = " + bool + " in iteration " + i + " (reflective)");
+      }
+      b++;
+    }
+  }
+
+  static {
+    System.loadLibrary("JNIBooleanTest");
+  }
+}