diff -r 000000000000 -r 6ceb7c457073 ide/editor/src/test/java/org/apidesign/bck2brwsr/ide/editor/ManglingSinkTest.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ide/editor/src/test/java/org/apidesign/bck2brwsr/ide/editor/ManglingSinkTest.java	Mon Jan 13 12:37:03 2014 +0100
@@ -0,0 +1,58 @@
+/**
+ * Back 2 Browser Bytecode Translator
+ * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * This program 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 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. Look for COPYING file in the top folder.
+ * If not, see http://opensource.org/licenses/GPL-2.0.
+ */
+package org.apidesign.bck2brwsr.ide.editor;
+
+import org.testng.Assert;
+import org.testng.annotations.Test;
+
+
+public class ManglingSinkTest {
+
+    @Test
+    public void testMangle_1() {
+        Assert.assertEquals(
+                "binarySearch__I_3BIIB",
+                ManglingSink.mangle("java.util.Arrays", "binarySearch", "[BIIB")
+        );
+    }
+
+    @Test
+    public void testMangle_2() {
+        Assert.assertEquals(
+                "sort__V_3I",
+                ManglingSink.mangle("java.util.Arrays", "sort", "[I")
+        );
+    }
+
+    @Test
+    public void testMangle_3() {
+        Assert.assertEquals(
+                "binarySearch__I_3Ljava_lang_Object_2IILjava_lang_Object_2",
+                ManglingSink.mangle("java.util.Arrays", "binarySearch", "[Ljava/lang/Object;IILjava/lang/Object;")
+        );
+    }
+
+
+    @Test
+    public void testField() {
+        final ManglingSink manglingSink = new ManglingSink();
+        manglingSink.field(null, "value");
+
+        Assert.assertEquals("_value()", manglingSink.toString());
+    }
+}