Changed the root package from net.sf.briar to org.briarproject.

briar-tests/src/org/briarproject/util/StringUtilsTest.java

@@ -0,0 +1,44 @@
+package org.briarproject.util;
+
+import static org.junit.Assert.assertArrayEquals;
+import org.briarproject.BriarTestCase;
+
+import org.junit.Test;
+
+public class StringUtilsTest extends BriarTestCase {
+
+	@Test
+	public void testHead() {
+		String head = StringUtils.head("123456789", 5);
+		assertEquals("12345...", head);
+	}
+
+	@Test
+	public void testTail() {
+		String tail = StringUtils.tail("987654321", 5);
+		assertEquals("...54321", tail);
+	}
+
+	@Test
+	public void testToHexString() {
+		byte[] b = new byte[] {1, 2, 3, 127, -128};
+		String s = StringUtils.toHexString(b);
+		assertEquals("0102037F80", s);
+	}
+
+	@Test
+	public void testFromHexString() {
+		try {
+			StringUtils.fromHexString("12345");
+			fail();
+		} catch(IllegalArgumentException expected) {}
+		try {
+			StringUtils.fromHexString("ABCDEFGH");
+			fail();
+		} catch(IllegalArgumentException expected) {}
+		byte[] b = StringUtils.fromHexString("0102037F80");
+		assertArrayEquals(new byte[] {1, 2, 3, 127, -128}, b);
+		b = StringUtils.fromHexString("0a0b0c0d0e0f");
+		assertArrayEquals(new byte[] {10, 11, 12, 13, 14, 15}, b);
+	}
+}