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import java.io.*;
import java.util.*;
import junit.framework.*;
import org.noreply.fancydress.misc.Util;
public class UtilTest extends TestCase {
public UtilTest(String name) {
super(name);
}
/**
* Test if equal returns an array of the same size as the input arrays.
*/
public void testEqual() {
byte[] a0 = new byte[30];
byte[] a1 = { };
byte[] a2 = { (byte)0x00, (byte)0x01, (byte)0x02, (byte)0x03, (byte)0x04 };
byte[] a3 = { (byte)0x10, (byte)0x20, (byte)0xf0, (byte)0xF0, (byte)0xab };
assertTrue(Util.equal(a0,a0));
assertTrue(Util.equal(a1,a1));
assertTrue(Util.equal(a2,a2));
assertTrue(Util.equal(a3,a3));
assertTrue(!Util.equal(a0,a1));
assertTrue(!Util.equal(a0,a2));
assertTrue(!Util.equal(a0,a3));
assertTrue(!Util.equal(a1,a0));
assertTrue(!Util.equal(a1,a2));
assertTrue(!Util.equal(a1,a3));
assertTrue(!Util.equal(a2,a0));
assertTrue(!Util.equal(a2,a1));
assertTrue(!Util.equal(a2,a3));
assertTrue(!Util.equal(a3,a0));
assertTrue(!Util.equal(a3,a1));
assertTrue(!Util.equal(a3,a2));
}
/**
* Test if concat returns n+m bytes
*/
public void testConcatLength() {
byte[] a;
byte[] b;
byte[] r;
a = new byte[0];
b = new byte[30];
r = Util.concat(a,b);
assertEquals(a.length + b.length, r.length);
a = new byte[30];
b = new byte[0];
r = Util.concat(a,b);
assertEquals(a.length + b.length, r.length);
a = new byte[30];
b = new byte[30];
r = Util.concat(a,b);
assertEquals(a.length + b.length, r.length);
}
/**
* Test that slice returns the correct length
*/
public void testSliceLength() {
byte[] b = new byte[300];
byte[] r;
r = Util.slice(b, 0, 0);
assertEquals(0, r.length);
r = Util.slice(b, 30, 0);
assertEquals(0, r.length);
r = Util.slice(b, 0, 30);
assertEquals(30, r.length);
r = Util.slice(b, 30, 30);
assertEquals(30, r.length);
}
/**
* Test that slice returns the correct length
*/
public void testSlice() {
byte[] b0 = Util.fromHex("00 11 22 33 44 55 66 77 88 99 AA BB CC DD EE FF");
byte[] b1 = Util.fromHex("00 11 22 33 44 55 66 77 ");
byte[] b2 = Util.fromHex(" 55 66 77 88 99 ");
byte[] b3 = Util.fromHex(" DD EE FF");
byte[] b4 = Util.fromHex(" ");
assertTrue(Util.equal(Util.slice(b0, 0, b0.length), b0));
assertTrue(Util.equal(Util.slice(b0, 0, 8), b1));
assertTrue(Util.equal(Util.slice(b0, 5, 5), b2));
assertTrue(Util.equal(Util.slice(b0, 13, 3), b3));
assertTrue(Util.equal(Util.slice(b0, 0, 0), b4));
assertTrue(Util.equal(Util.slice(b0, 5, 0), b4));
assertTrue(Util.equal(Util.slice(b0, 15, 0), b4));
}
/**
* Test if fromHex returns the right amount if bytes.
*/
public void testFromHexLength() {
String s;
byte[] r;
s = "";
r = Util.fromHex(s);
assertEquals(0, r.length);
s = " ";
r = Util.fromHex(s);
assertEquals(0, r.length);
s = "00 01 02 03 04";
r = Util.fromHex(s);
assertEquals(5, r.length);
s = "00 01 02 0 3 0 4";
r = Util.fromHex(s);
assertEquals(5, r.length);
}
/**
* Test if fromHex is sane.
*/
public void testFromHexSaneness() {
String s1 = "";
String s2 = "00 01 02 03 04";
String s2_2 = "00 01 02 0 3 04";
String s3 = "10 20 f0 F0 Ab";
byte[] a1 = { };
byte[] a2 = { (byte)0x00, (byte)0x01, (byte)0x02, (byte)0x03, (byte)0x04 };
byte[] a3 = { (byte)0x10, (byte)0x20, (byte)0xf0, (byte)0xF0, (byte)0xab };
byte[] r;
r = Util.fromHex(s1);
assertTrue(Util.equal(a1, r));
r = Util.fromHex(s2);
assertTrue(Util.equal(a2, r));
r = Util.fromHex(s2_2);
assertTrue(Util.equal(a2, r));
r = Util.fromHex(s3);
assertTrue(Util.equal(a3, r));
}
/**
* Test if fromHex(asHex()) is sane.
*/
public void testAsHexFromHex() {
String s = "CA F3 E8 F6 23 B9 87 20 D2 F7 A8 66 9C B6 DE 01 71" +
"31 CC 3E 74 20 80 99 62 2D 7D DF 98 59 D7 5B A6 77 78 FE 3C 22 C1 B5 AE 1F 8E" +
"79 78 72 3D 0F 51 B7 EA 19 F7 93 7F F6 DC 21 EC 2C 13 54 DD 98";
byte[] r, r1;
String s1;
r = Util.fromHex(s);
s1 = Util.asHex(r);
r1 = Util.fromHex(s1);
assertTrue(Util.equal(r, r1));
}
/**
* Test if toOctets() works.
*/
public void testToOctets() {
String s0 = "Don't you wish you had more energy... or less ambition?";
byte[] o0 = Util.fromHex("44 6f 6e 27 74 20 79 6f 75 20 77 69 73 68 20 79" +
"6f 75 20 68 61 64 20 6d 6f 72 65 20 65 6e 65 72" +
"67 79 2e 2e 2e 20 6f 72 20 6c 65 73 73 20 61 6d" +
"62 69 74 69 6f 6e 3f" );
String s1 = "";
byte[] o1 = {};
byte[] r;
r = Util.toOctets(s0);
assertTrue(Util.equal(r, o0));
r = Util.toOctets(s1);
assertTrue(Util.equal(r, o1));
}
public static Test suite() {
TestSuite suite= new TestSuite();
suite.addTest(new UtilTest("testEqual"));
suite.addTest(new UtilTest("testConcatLength"));
suite.addTest(new UtilTest("testSlice"));
suite.addTest(new UtilTest("testSliceLength"));
suite.addTest(new UtilTest("testFromHexLength"));
suite.addTest(new UtilTest("testFromHexSaneness"));
suite.addTest(new UtilTest("testAsHexFromHex"));
suite.addTest(new UtilTest("testToOctets"));
return suite;
}
public static void main(String args[]) {
junit.textui.TestRunner.run(suite());
}
}
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