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diff --git a/src/junit/com/jogamp/common/util/TestStringUtil.java b/src/junit/com/jogamp/common/util/TestStringUtil.java
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+++ b/src/junit/com/jogamp/common/util/TestStringUtil.java
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+/**
+ * Copyright 2012 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ *
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+
+package com.jogamp.common.util;
+
+import org.junit.Assert;
+
+import org.junit.Test;
+
+import static com.jogamp.common.util.ValueConv.*;
+
+/**
+ * Testing ValueConv's value conversion of primitive types
+ */
+import org.junit.FixMethodOrder;
+import org.junit.runners.MethodSorters;
+
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+public class TestStringUtil {
+
+    @Test
+    public void test01IndexOf() {
+        Assert.assertEquals(-1, StringUtil.indexOf(null, '\n', 0));
+        Assert.assertEquals(-1, StringUtil.indexOf("", '\n', 0));
+        Assert.assertEquals(-1, StringUtil.indexOf("Hello", '\n', 0));
+        Assert.assertEquals( 5, StringUtil.indexOf("Hello\nJogAmp\n", '\n', 0));
+        Assert.assertEquals(12, StringUtil.indexOf("Hello\nJogAmp\n", '\n', 6));
+
+        Assert.assertEquals(-1, StringUtil.indexOf((CharSequence)null, '\n', 0));
+        Assert.assertEquals(-1, StringUtil.indexOf((CharSequence)"", '\n', 0));
+        Assert.assertEquals(-1, StringUtil.indexOf((CharSequence)"Hello", '\n', 0));
+        Assert.assertEquals( 5, StringUtil.indexOf((CharSequence)"Hello\nJogAmp\n", '\n', 0));
+        Assert.assertEquals(12, StringUtil.indexOf((CharSequence)"Hello\nJogAmp\n", '\n', 6));
+    }
+
+    @Test
+    public void test02LineCount() {
+        Assert.assertEquals(0, StringUtil.getLineCount(null));
+        Assert.assertEquals(0, StringUtil.getLineCount(""));
+        Assert.assertEquals(1, StringUtil.getLineCount("Hello"));
+        Assert.assertEquals(2, StringUtil.getLineCount("Hello\nJogAmp"));
+        Assert.assertEquals(2, StringUtil.getLineCount("Hello\nJogAmp\n"));
+        Assert.assertEquals(3, StringUtil.getLineCount("Hello\nJogAmp\nYeah."));
+    }
+
+    @Test
+    public void test03Strip() {
+        {
+            Assert.assertEquals("", StringUtil.strip(null, null, null));
+            Assert.assertEquals("", StringUtil.strip("", null, null));
+            Assert.assertEquals("Hello", StringUtil.strip("Hello", null, null));
+            Assert.assertEquals("Hello JogAmp", StringUtil.strip("Hello JogAmp", null, null));
+            Assert.assertEquals("Hello JogAmp", StringUtil.strip(" Hello JogAmp ", null, null));
+            Assert.assertEquals("Hello JogAmp", StringUtil.strip("Hello  JogAmp", null, null));
+            Assert.assertEquals("Hello JogAmp", StringUtil.strip("  Hello  JogAmp  ", null, null));
+
+            final String seperators = " \t\n\r";
+            Assert.assertEquals("", StringUtil.strip(null, seperators, null));
+            Assert.assertEquals("", StringUtil.strip("", seperators, null));
+            Assert.assertEquals("Hello", StringUtil.strip("Hello", seperators, null));
+            Assert.assertEquals("Hello JogAmp", StringUtil.strip("Hello JogAmp", seperators, null));
+            Assert.assertEquals("Hello JogAmp", StringUtil.strip(" Hello JogAmp ", seperators, null));
+            Assert.assertEquals("Hello JogAmp", StringUtil.strip("Hello  JogAmp", seperators, null));
+            Assert.assertEquals("Hello JogAmp", StringUtil.strip("  Hello  JogAmp  ", seperators, null));
+
+            Assert.assertEquals("Hello JogAmp", StringUtil.strip("\tHello JogAmp\n", seperators, null));
+            Assert.assertEquals("Hello\tJogAmp", StringUtil.strip("Hello\t\tJogAmp", seperators, null));
+            Assert.assertEquals("Hello JogAmp", StringUtil.strip("Hello \tJogAmp", seperators, null));
+            Assert.assertEquals("Hello\nJogAmp", StringUtil.strip("\t Hello\n\tJogAmp \n", seperators, null));
+        }
+        {
+            final String replacement = "Z";
+            Assert.assertEquals("", StringUtil.strip(null, null, replacement));
+            Assert.assertEquals("", StringUtil.strip("", null, replacement));
+            Assert.assertEquals("Hello", StringUtil.strip("Hello", null, replacement));
+            Assert.assertEquals("HelloZJogAmp", StringUtil.strip("Hello JogAmp", null, replacement));
+            Assert.assertEquals("HelloZJogAmp", StringUtil.strip(" Hello JogAmp ", null, replacement));
+            Assert.assertEquals("HelloZJogAmp", StringUtil.strip("Hello  JogAmp", null, replacement));
+            Assert.assertEquals("HelloZJogAmp", StringUtil.strip("  Hello  JogAmp  ", null, replacement));
+
+            final String IDIOSPC = String.valueOf(Character.toChars(0x3000));
+            final String seperators = StringUtil.WHITESPACE;
+            Assert.assertEquals("", StringUtil.strip(null, seperators, replacement));
+            Assert.assertEquals("", StringUtil.strip("", seperators, replacement));
+            Assert.assertEquals("Hello", StringUtil.strip("Hello", seperators, replacement));
+            Assert.assertEquals("HelloZJogAmp", StringUtil.strip("Hello JogAmp", seperators, replacement));
+            Assert.assertEquals("HelloZJogAmp", StringUtil.strip(" Hello"+IDIOSPC+"JogAmp ", seperators, replacement));
+            Assert.assertEquals("HelloZJogAmp", StringUtil.strip("Hello  JogAmp", seperators, replacement));
+            Assert.assertEquals("HelloZJogAmp", StringUtil.strip("  Hello  JogAmp  ", seperators, replacement));
+
+            Assert.assertEquals("HelloZJogAmp", StringUtil.strip("\tHello JogAmp\n", seperators, replacement));
+            Assert.assertEquals("HelloZJogAmp", StringUtil.strip("Hello\t\tJogAmp", seperators, replacement));
+            Assert.assertEquals("HelloZJogAmp", StringUtil.strip("Hello \tJogAmp", seperators, replacement));
+            Assert.assertEquals("HelloZJogAmp", StringUtil.strip("\t Hello\n\tJogAmp \n", seperators, replacement));
+        }
+    }
+
+    @Test
+    public void test04Split() {
+        {
+            /**
+             * I like to ride my bicycle
+             * I like to ride
+             * my bicycle
+             *
+             * I like to ride my bicycle if its without any batteries
+             * I like to ride my
+             * bicycle if its without
+             * any batteries
+             */
+            final String orig = "I like to ride my bicycle if its without any batteries";
+            Assert.assertEquals(orig, StringUtil.split(orig, 1, null, "ZZ"));
+            Assert.assertEquals("I like to ride my bicycleZZif its without any batteries", StringUtil.split(orig, 2, null, "ZZ"));
+            Assert.assertEquals("I like to ride myZZbicycle if its withoutZZany batteries", StringUtil.split(orig, 3, null, "ZZ"));
+            Assert.assertEquals("I like to ride myZZbicycle if its withoutZZany batteries", StringUtil.split(orig, 3, null, "ZZ"));
+        }
+        {
+            /**
+             * I like to ride my bicycle
+             * I like to ride
+             * my bicycle
+             *
+             * I like to ride my bicycle if its without any batteries
+             * I like to ride my
+             * bicycle if its without
+             * any batteries
+             */
+            final String IDIOSPC = String.valueOf(Character.toChars(0x3000));
+            final String orig = "I like to ride my"+IDIOSPC+"bicycle\tif its without"+IDIOSPC+"any batteries";
+            Assert.assertEquals(orig, StringUtil.split(orig, 1, null, "ZZ"));
+            Assert.assertEquals("I like to ride my"+IDIOSPC+"bicycleZZif its without"+IDIOSPC+"any batteries", StringUtil.split(orig, 2, StringUtil.WHITESPACE, "ZZ"));
+            Assert.assertEquals("I like to ride myZZbicycle\tif its withoutZZany batteries", StringUtil.split(orig, 3, StringUtil.WHITESPACE, "ZZ"));
+            Assert.assertEquals("I like to ride myZZbicycle\tif its withoutZZany batteries", StringUtil.split(orig, 3, StringUtil.WHITESPACE, "ZZ"));
+        }
+        {
+            final String orig = "您好，我来自英国政府，给您带来了一个好消息。";
+            Assert.assertTrue(StringUtil.isFullwidth(orig.codePointAt(2)));
+            Assert.assertTrue(StringUtil.hasSpace(orig.codePointAt(2)));
+
+            Assert.assertEquals(orig, StringUtil.split(orig, 1, null, "ZZ"));
+            Assert.assertEquals("您好，我来自英国政府，给您带来了一个好消息。", StringUtil.split(orig, 2, null, "ZZ"));
+            Assert.assertEquals("您好，我来自英国政府ZZ给您带来了一个好消息。", StringUtil.split(orig, 2, "\t ，", "ZZ")); // included fullwidth char
+            final String orig2 = orig.replace("，", ", ");
+            Assert.assertEquals("您好, 我来自英国政府,ZZ给您带来了一个好消息。", StringUtil.split(orig2, 2, null, "ZZ"));
+        }
+    }
+
+    public static void main(final String args[]) {
+        org.junit.runner.JUnitCore.main(TestStringUtil.class.getName());
+    }
+
+}