Qortal/altcoinj
3
0
Fork 0
mirror of https://github.com/Qortal/altcoinj.git synced 2025-01-31 15:22:16 +00:00
Code Issues Projects Releases Wiki Activity

Allow zero repetitions for CoinFormat.repeatOptionalDecimals(). Also add tests.

Browse Source
This commit is contained in:
Andreas Schildbach 2014-06-06 12:38:42 +02:00 committed by Mike Hearn
parent fc923f8473
commit 9befd32200
2 changed files with 22 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
core/src/main/java/com/google/bitcoin/utils/CoinFormat.java
View File

@ -153,7 +153,7 @@ public final class CoinFormat {
* number of repetitions
*/
public CoinFormat repeatOptionalDecimals(int decimals, int repetitions) {
checkArgument(repetitions > 0);
checkArgument(repetitions >= 0);
List<Integer> decimalGroups = new ArrayList<Integer>(repetitions);
for (int i = 0; i < repetitions; i++)
decimalGroups.add(decimals);

21
core/src/test/java/com/google/bitcoin/utils/CoinFormatTest.java
View File

@ -17,6 +17,7 @@
package com.google.bitcoin.utils;
import static com.google.bitcoin.core.Coin.COIN;
import static com.google.bitcoin.core.Coin.CENT;
import static com.google.bitcoin.core.Coin.SATOSHI;
import static com.google.bitcoin.core.Coin.ZERO;
import static org.junit.Assert.assertEquals;
@ -179,6 +180,26 @@ public class CoinFormatTest {
.toString();
}
@Test
public void repeatOptionalDecimals() {
assertEquals("0.00000001", formatRepeat(SATOSHI, 2, 4));
assertEquals("0.00000010", formatRepeat(SATOSHI.multiply(10), 2, 4));
assertEquals("0.01", formatRepeat(CENT, 2, 4));
assertEquals("0.10", formatRepeat(CENT.multiply(10), 2, 4));
assertEquals("0", formatRepeat(SATOSHI, 2, 2));
assertEquals("0", formatRepeat(SATOSHI.multiply(10), 2, 2));
assertEquals("0.01", formatRepeat(CENT, 2, 2));
assertEquals("0.10", formatRepeat(CENT.multiply(10), 2, 2));
assertEquals("0", formatRepeat(CENT, 2, 0));
assertEquals("0", formatRepeat(CENT.multiply(10), 2, 0));
}
private String formatRepeat(Coin coin, int decimals, int repetitions) {
return new CoinFormat().minDecimals(0).repeatOptionalDecimals(decimals, repetitions).format(coin).toString();
}
@Test
public void parse() throws Exception {
assertEquals(Coin.COIN, CoinFormat.BTC.parse("1"));