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Extract Base64.main() as a unit test.

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This commit is contained in:
Kevin Ruland 2012-07-10 17:08:39 +00:00
parent 75ece3442f
commit f191e47f5b
2 changed files with 43 additions and 64 deletions
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65
core/src/net/sf/openrocket/util/Base64.java
View File

@ -81,7 +81,7 @@ public class Base64 {
if (p==0)
break;
if (p!=4) {
throw new IllegalArgumentException("Data ended when decoding Base64, p="+p);
throw new IllegalArgumentException("Data ended when decoding Base64, data=" + data + ", p="+p);
}
int l = decodeGroup(block, array, length);
@ -166,67 +166,4 @@ public class Base64 {
return 3;
}
public static void main(String[] arg) {
Random rnd = new Random();
for (int round=0; round < 1000; round++) {
int n = rnd.nextInt(1000);
n = 100000;
byte[] array = new byte[n];
rnd.nextBytes(array);
String encoded = encode(array);
System.out.println(encoded);
System.exit(0);
// for (int i=0; i<1000; i++) {
// int pos = rnd.nextInt(encoded.length());
// String s1 = encoded.substring(0, pos);
// String s2 = encoded.substring(pos);
// switch (rnd.nextInt(15)) {
// case 0:
// encoded = s1 + " " + s2;
// break;
// case 1:
// encoded = s1 + "\u0009" + s2;
// break;
// case 2:
// encoded = s1 + "\n" + s2;
// break;
// case 3:
// encoded = s1 + "\u000B" + s2;
// break;
// case 4:
// encoded = s1 + "\r" + s2;
// break;
// case 5:
// encoded = s1 + "\u000C" + s2;
// break;
// case 6:
// encoded = s1 + "\u001C" + s2;
// break;
// }
// }
byte[] decoded = null;
try {
decoded = decode(encoded);
} catch (IllegalArgumentException e) {
e.printStackTrace();
System.err.println("Bad data:\n"+encoded);
System.exit(1);
}
if (!Arrays.equals(array, decoded)) {
System.err.println("Data differs! n="+n);
System.exit(1);
}
System.out.println("n="+n+" ok!");
}
}
}

42
core/test/net/sf/openrocket/util/Base64Test.java Normal file
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@ -0,0 +1,42 @@
package net.sf.openrocket.util;
import java.util.Arrays;
import java.util.Random;
import static org.junit.Assert.*;
import org.junit.Test;
public class Base64Test {
@Test
public void oldMainTest() throws Exception {
// TODO - this test case should probably be less random and more targeted to
// special cases such as:
// null input
// empty input
// decoding bad string
Random rnd = new Random();
for (int round=0; round < 1000; round++) {
int n = rnd.nextInt(1000);
n = 100000;
byte[] array = new byte[n];
rnd.nextBytes(array);
String encoded = Base64.encode(array);
byte[] decoded = null;
decoded = Base64.decode(encoded);
if (!Arrays.equals(array, decoded)) {
fail("Data differs! n="+n);
}
System.out.println("n="+n+" ok!");
}
}
}