--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/BoolReturn/NativeSmallIntCallsTest.java Tue Feb 09 15:54:16 2016 -0500
@@ -0,0 +1,60 @@
+/*
+ * 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
+ * @bug 8149170
+ * @summary Test native functions return booleans as 0/1 but differently than java functions
+ * @library /testlibrary
+ * @compile BoolConstructor.java
+ * @run main/native NativeSmallIntCallsTest
+ */
+
+// This test shows that returns from native calls for boolean truncate to JNI_TRUE if value != 0
+// and JNI_FALSE if value returned is 0.
+
+import jdk.test.lib.Asserts;
+
+public class NativeSmallIntCallsTest {
+ static native boolean nativeCastToBoolCallTrue();
+ static native boolean nativeCastToBoolCallFalse();
+ static native boolean nativeCallBoolConstructor(int visible, boolean expected);
+ static {
+ System.loadLibrary("NativeSmallIntCalls");
+ }
+
+ public static void main(java.lang.String[] unused) throws Exception {
+ // Call through jni
+ // JNI makes all results != 0 true for compatibility
+ boolean nativeTrueVal = nativeCastToBoolCallTrue();
+ Asserts.assertTrue(nativeTrueVal, "trueval is false!");
+
+ boolean nativeFalseVal = nativeCastToBoolCallFalse();
+ Asserts.assertTrue(nativeFalseVal, "falseval is false in native!");
+
+ // Call a constructor or method that passes jboolean values into Java from native
+ nativeCallBoolConstructor(1, true);
+ nativeCallBoolConstructor(0x10, true);
+ nativeCallBoolConstructor(0x100, false);
+ nativeCallBoolConstructor(0x1000, false);
+ }
+}