Add test for RawParseUtils.formatBase10

Change-Id: I3ad3533d03990c9e84186e53b9d755784b2a3758
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>

org.eclipse.jgit.test/tst/org/eclipse/jgit/util/RawParseUtils_FormatTest.java

@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2010, Google Inc.
+ * and other copyright owners as documented in the project's IP log.
+ *
+ * This program and the accompanying materials are made available
+ * under the terms of the Eclipse Distribution License v1.0 which
+ * accompanies this distribution, is reproduced below, and is
+ * available at http://www.eclipse.org/org/documents/edl-v10.php
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * - 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.
+ *
+ * - Neither the name of the Eclipse Foundation, Inc. nor the
+ *   names of its contributors may be used to endorse or promote
+ *   products derived from this software without specific prior
+ *   written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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+ */
+
+package org.eclipse.jgit.util;
+
+import java.io.UnsupportedEncodingException;
+
+import junit.framework.TestCase;
+
+public class RawParseUtils_FormatTest extends TestCase {
+	public void testFormatBase10() throws UnsupportedEncodingException {
+		byte[] b = new byte[64];
+		int p;
+
+		p = RawParseUtils.formatBase10(b, b.length, 0);
+		assertEquals("0", new String(b, p, b.length - p, "UTF-8"));
+
+		p = RawParseUtils.formatBase10(b, b.length, 42);
+		assertEquals("42", new String(b, p, b.length - p, "UTF-8"));
+
+		p = RawParseUtils.formatBase10(b, b.length, 1234);
+		assertEquals("1234", new String(b, p, b.length - p, "UTF-8"));
+
+		p = RawParseUtils.formatBase10(b, b.length, -9876);
+		assertEquals("-9876", new String(b, p, b.length - p, "UTF-8"));
+
+		p = RawParseUtils.formatBase10(b, b.length, 123456789);
+		assertEquals("123456789", new String(b, p, b.length - p, "UTF-8"));
+	}
+}