Added test jars and the first unit test.

test/build.xml

@@ -0,0 +1,16 @@
+<project name='test' default='compile'>
+	<import file='../build-common.xml'/>
+	<target name='test' depends='depend'>
+		<junit haltonfailure='true' printsummary='on' showoutput='true'>
+			<classpath>
+				<fileset refid='bundled-jars'/>
+				<fileset refid='test-jars'/>
+				<path refid='api-classes'/>
+				<path refid='component-classes'/>
+				<path refid='test-classes'/>
+				<path refid='util-classes'/>
+			</classpath>
+			<test name='net.sf.briar.util.FileUtilsTest'/>
+		</junit>
+	</target>
+</project>

test/net/sf/briar/util/FileUtilsTest.java

@@ -0,0 +1,59 @@
+package net.sf.briar.util;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.PrintStream;
+import java.util.Scanner;
+
+import junit.framework.TestCase;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+public class FileUtilsTest extends TestCase {
+
+	private final File testDir = new File("test.tmp");
+
+	@Before
+	public void setUp() {
+		testDir.mkdirs();
+	}
+
+	@Test
+	public void testCopy() throws IOException {
+		File src = new File(testDir, "src");
+		File dest = new File(testDir, "dest");
+
+		PrintStream out = new PrintStream(new FileOutputStream(src));
+		out.print("Foo bar\r\nBar foo\r\n");
+		out.flush();
+		out.close();
+		long length = src.length();
+
+		FileUtils.copy(src, dest);
+
+		assertEquals(length, dest.length());
+		Scanner in = new Scanner(dest);
+		assertTrue(in.hasNextLine());
+		assertEquals("Foo bar", in.nextLine());
+		assertTrue(in.hasNextLine());
+		assertEquals("Bar foo", in.nextLine());
+		assertFalse(in.hasNext());
+		in.close();
+
+		src.delete();
+		dest.delete();
+	}
+
+	@After
+	public void tearDown() throws IOException {
+		delete(testDir);
+	}
+
+	private static void delete(File f) throws IOException {
+		if(f.isDirectory()) for(File child : f.listFiles()) delete(child);
+		f.delete();
+	}
+}