Port Base58Test to Kotlin

This commit is contained in:
Ross Nicoll 2016-05-24 14:20:53 +01:00
parent 4065cb25c0
commit 40b6b0d186
2 changed files with 79 additions and 79 deletions

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@ -1,79 +0,0 @@
package com.r3corda.core.crypto;
import org.junit.*;
import java.math.*;
import java.util.*;
import static org.junit.Assert.*;
/**
* From the bitcoinj library
*/
public class Base58Test {
@Test
public void testEncode() throws Exception {
byte[] testbytes = "Hello World".getBytes();
assertEquals("JxF12TrwUP45BMd", Base58.encode(testbytes));
BigInteger bi = BigInteger.valueOf(3471844090L);
assertEquals("16Ho7Hs", Base58.encode(bi.toByteArray()));
byte[] zeroBytes1 = new byte[1];
assertEquals("1", Base58.encode(zeroBytes1));
byte[] zeroBytes7 = new byte[7];
assertEquals("1111111", Base58.encode(zeroBytes7));
// test empty encode
assertEquals("", Base58.encode(new byte[0]));
}
@Test
public void testDecode() throws Exception {
byte[] testbytes = "Hello World".getBytes();
byte[] actualbytes = Base58.decode("JxF12TrwUP45BMd");
assertTrue(new String(actualbytes), Arrays.equals(testbytes, actualbytes));
assertTrue("1", Arrays.equals(Base58.decode("1"), new byte[1]));
assertTrue("1111", Arrays.equals(Base58.decode("1111"), new byte[4]));
try {
Base58.decode("This isn't valid base58");
fail();
} catch (AddressFormatException e) {
// expected
}
Base58.decodeChecked("4stwEBjT6FYyVV");
// Checksum should fail.
try {
Base58.decodeChecked("4stwEBjT6FYyVW");
fail();
} catch (AddressFormatException e) {
// expected
}
// Input is too short.
try {
Base58.decodeChecked("4s");
fail();
} catch (AddressFormatException e) {
// expected
}
// Test decode of empty String.
assertEquals(0, Base58.decode("").length);
// Now check we can correctly decode the case where the high bit of the first byte is not zero, so BigInteger
// sign extends. Fix for a bug that stopped us parsing keys exported using sipas patch.
Base58.decodeChecked("93VYUMzRG9DdbRP72uQXjaWibbQwygnvaCu9DumcqDjGybD864T");
}
@Test
public void testDecodeToBigInteger() {
byte[] input = Base58.decode("129");
assertEquals(new BigInteger(1, input), Base58.decodeToBigInteger("129"));
}
}

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package com.r3corda.core.crypto
import java.math.BigInteger
import java.util.Arrays
import org.junit.Test
import kotlin.test.assertEquals
import kotlin.test.assertTrue
import kotlin.test.fail
/**
* Modified from the bitcoinj library
*/
class Base58Test {
@Test
fun testEncode() {
val testbytes = "Hello World".toByteArray()
assertEquals("JxF12TrwUP45BMd", Base58.encode(testbytes))
val bi = BigInteger.valueOf(3471844090L)
assertEquals("16Ho7Hs", Base58.encode(bi.toByteArray()))
val zeroBytes1 = ByteArray(1)
assertEquals("1", Base58.encode(zeroBytes1))
val zeroBytes7 = ByteArray(7)
assertEquals("1111111", Base58.encode(zeroBytes7))
// test empty encode
assertEquals("", Base58.encode(ByteArray(0)))
}
@Test
fun testDecode() {
val testbytes = "Hello World".toByteArray()
val actualbytes = Base58.decode("JxF12TrwUP45BMd");
assertTrue(String(actualbytes)) { Arrays.equals(testbytes, actualbytes) }
assertTrue("1") { Arrays.equals(ByteArray(1), Base58.decode("1")) }
assertTrue("1111") { Arrays.equals(ByteArray(4), Base58.decode("1111")) }
try {
Base58.decode("This isn't valid base58")
fail()
} catch (e: AddressFormatException) {
// expected
}
Base58.decodeChecked("4stwEBjT6FYyVV")
// Checksum should fail.
try {
Base58.decodeChecked("4stwEBjT6FYyVW")
fail()
} catch (e: AddressFormatException) {
// expected
}
// Input is too short.
try {
Base58.decodeChecked("4s")
fail()
} catch (e: AddressFormatException) {
// expected
}
// Test decode of empty String.
assertEquals(0, Base58.decode("").size)
// Now check we can correctly decode the case where the high bit of the first byte is not zero, so BigInteger
// sign extends. Fix for a bug that stopped us parsing keys exported using sipas patch.
Base58.decodeChecked("93VYUMzRG9DdbRP72uQXjaWibbQwygnvaCu9DumcqDjGybD864T")
}
@Test
fun testDecodeToBigInteger() {
val input = Base58.decode("129")
assertEquals(BigInteger(1, input), Base58.decodeToBigInteger("129"))
}
}