diff --git a/test/de/inetsoftware/jwebassembly/runtime/CallFunctions.java b/test/de/inetsoftware/jwebassembly/runtime/CallFunctions.java
new file mode 100644
index 0000000..e59c600
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+++ b/test/de/inetsoftware/jwebassembly/runtime/CallFunctions.java
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2017 Volker Berlin (i-net software)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package de.inetsoftware.jwebassembly.runtime;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+import org.junit.ClassRule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+import org.webassembly.annotation.Export;
+
+import de.inetsoftware.jwebassembly.ScriptEngine;
+import de.inetsoftware.jwebassembly.WasmRule;
+
+/**
+ * @author Volker Berlin
+ */
+@RunWith(Parameterized.class)
+public class CallFunctions {
+    
+    @ClassRule
+    public static WasmRule rule = new WasmRule( TestClass.class ); 
+
+    private final ScriptEngine script;
+    private final String method;
+    private final Object[] params;
+
+    public CallFunctions( ScriptEngine script, String method, Object[] params ) {
+        this.script = script;
+        this.method = method;
+        this.params = params;
+    }
+
+    @Parameters(name="{0}-{1}")
+    public static Collection<Object[]> data() {
+        ArrayList<Object[]> list = new ArrayList<>();
+        for( Object[] val : ScriptEngine.testParams() ) {
+            ScriptEngine script = (ScriptEngine)val[0];
+            addParam( list, script, "intCall" );
+        }
+        return list;
+    }
+
+    private static void addParam( ArrayList<Object[]> list, ScriptEngine script, String method, Object ...params ) {
+        list.add( new Object[]{script, method, params} );
+    }
+
+    @Test
+    public void test() {
+        rule.test( script, method, params );
+    }
+
+    static class TestClass {
+
+        @Export
+        static int intCall() {
+            return intConst();
+        }
+
+        static int intConst() {
+            return -42;
+        }
+
+    }
+}