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Fix boosts made in UGX.

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This commit is contained in:
Cody Henthorne 2021-11-22 21:18:56 -05:00 • committed by Greyson Parrelli
parent 061b87ead0
commit 22e79a045c
2 changed files with 27 additions and 2 deletions
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6
core-util/src/main/java/org/signal/core/util/money/FiatMoney.java
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@ -54,14 +54,16 @@ public class FiatMoney {
}
/**
* Note: This special cases UGX to act as two decimal.
*
* @return amount, in smallest possible units (cents, yen, etc.)
*/
public @NonNull String getMinimumUnitPrecisionString() {
NumberFormat formatter = NumberFormat.getInstance();
formatter.setMaximumFractionDigits(0);
formatter.setGroupingUsed(false);
BigDecimal multiplicand = BigDecimal.TEN.pow(currency.getDefaultFractionDigits());
BigDecimal multiplicand = BigDecimal.TEN.pow(currency.getCurrencyCode().equals("UGX") ? 2 : currency.getDefaultFractionDigits());
return formatter.format(amount.multiply(multiplicand));
}

23
core-util/src/test/java/org/signal/core/util/money/FiatMoneyTest.java
View file

@ -57,4 +57,27 @@ public class FiatMoneyTest {
assertEquals("100", result);
}
@Test
public void given100UGX_whenIGetDefaultPrecisionString_thenIExpect100() {
// GIVEN
FiatMoney fiatMoney = new FiatMoney(BigDecimal.valueOf(100), Currency.getInstance("UGX"));
// WHEN
String result = fiatMoney.getDefaultPrecisionString();
// THEN
assertEquals("100", result);
}
@Test
public void given100UGX_whenIGetMinimumUnitPrecisionString_thenIExpect10000() {
// GIVEN
FiatMoney fiatMoney = new FiatMoney(BigDecimal.valueOf(100), Currency.getInstance("UGX"));
// WHEN
String result = fiatMoney.getMinimumUnitPrecisionString();
// THEN
assertEquals("10000", result);
}
}