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Improve currency parsing logic

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This commit is contained in:
Sylvia van Os
2021-02-23 18:48:49 +01:00
parent d2f5cd05b5
commit b265fadec3
5 changed files with 94 additions and 19 deletions
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85
app/src/test/java/protect/card_locker/UtilsTest.java
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@@ -5,6 +5,10 @@ import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.annotation.Config;
import org.robolectric.util.Util;
import java.math.BigDecimal;
import java.util.Currency;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThrows;
@@ -16,21 +20,72 @@ public class UtilsTest
@Test
public void parseBalances()
{
assertEquals("1000.00", Utils.parseCurrency("1.000.00").toPlainString());
assertEquals("1000.50", Utils.parseCurrency("1.000.50").toPlainString());
assertEquals("1000.50", Utils.parseCurrency("1.000,50").toPlainString());
assertEquals("1000.50", Utils.parseCurrency("1,000,50").toPlainString());
assertEquals("1000.50", Utils.parseCurrency("1,000.50").toPlainString());
assertEquals("1000", Utils.parseCurrency("1000").toPlainString());
assertEquals("995", Utils.parseCurrency("995").toPlainString());
assertEquals("9.95", Utils.parseCurrency("9.95").toPlainString());
assertEquals("9.95", Utils.parseCurrency("9,95").toPlainString());
assertEquals("1", Utils.parseCurrency("1", false).toPlainString());
assertThrows(NumberFormatException.class, () -> Utils.parseCurrency(""));
assertThrows(NumberFormatException.class, () -> Utils.parseCurrency("."));
assertThrows(NumberFormatException.class, () -> Utils.parseCurrency(","));
assertThrows(NumberFormatException.class, () -> Utils.parseCurrency(".,"));
assertThrows(NumberFormatException.class, () -> Utils.parseCurrency("a"));
assertThrows(NumberFormatException.class, () -> Utils.parseCurrency("......................"));
assertEquals("1", Utils.parseCurrency("1", true).toPlainString());
assertEquals("1.00", Utils.parseCurrency("1.00", true).toPlainString());
assertEquals("1.00", Utils.parseCurrency("1,00", true).toPlainString());
assertEquals("25", Utils.parseCurrency("2.5", false).toPlainString());
assertEquals("25", Utils.parseCurrency("2,5", false).toPlainString());
assertEquals("205", Utils.parseCurrency("2.05", false).toPlainString());
assertEquals("205", Utils.parseCurrency("2,05", false).toPlainString());
assertEquals("2.5", Utils.parseCurrency("2.5", true).toPlainString());
assertEquals("2.5", Utils.parseCurrency("2,5", true).toPlainString());
assertEquals("2.05", Utils.parseCurrency("2.05", true).toPlainString());
assertEquals("2.05", Utils.parseCurrency("2,05", true).toPlainString());
assertEquals("2.50", Utils.parseCurrency("2.50", true).toPlainString());
assertEquals("2.50", Utils.parseCurrency("2,50", true).toPlainString());
assertEquals("995", Utils.parseCurrency("9.95", false).toPlainString());
assertEquals("995", Utils.parseCurrency("9,95", false).toPlainString());
assertEquals("9.95", Utils.parseCurrency("9.95", true).toPlainString());
assertEquals("9.95", Utils.parseCurrency("9,95", true).toPlainString());
assertEquals("1234", Utils.parseCurrency("1234", false).toPlainString());
assertEquals("1234", Utils.parseCurrency("1.234", false).toPlainString());
assertEquals("1234", Utils.parseCurrency("1,234", false).toPlainString());
assertEquals("1234", Utils.parseCurrency("1234", true).toPlainString());
assertEquals("1234.00", Utils.parseCurrency("1234.00", true).toPlainString());
assertEquals("1234.00", Utils.parseCurrency("1.234.00", true).toPlainString());
assertEquals("1234.00", Utils.parseCurrency("1.234,00", true).toPlainString());
assertEquals("1234.00", Utils.parseCurrency("1,234.00", true).toPlainString());
assertEquals("1234.00", Utils.parseCurrency("1,234,00", true).toPlainString());
}
@Test
public void formatBalances()
{
Currency euro = Currency.getInstance("EUR");
assertEquals("1", Utils.formatBalanceWithoutCurrencySymbol(new BigDecimal("1"), null));
assertEquals("1.00", Utils.formatBalanceWithoutCurrencySymbol(new BigDecimal("1"), euro));
assertEquals("25", Utils.formatBalanceWithoutCurrencySymbol(new BigDecimal("25"), null));
assertEquals("25.00", Utils.formatBalanceWithoutCurrencySymbol(new BigDecimal("25"), euro));
assertEquals("2", Utils.formatBalanceWithoutCurrencySymbol(new BigDecimal("2.5"), null));
assertEquals("2.50", Utils.formatBalanceWithoutCurrencySymbol(new BigDecimal("2.5"), euro));
assertEquals("2", Utils.formatBalanceWithoutCurrencySymbol(new BigDecimal("2.05"), null));
assertEquals("2.05", Utils.formatBalanceWithoutCurrencySymbol(new BigDecimal("2.05"), euro));
assertEquals("2", Utils.formatBalanceWithoutCurrencySymbol(new BigDecimal("2.50"), null));
assertEquals("2.50", Utils.formatBalanceWithoutCurrencySymbol(new BigDecimal("2.50"), euro));
assertEquals("995", Utils.formatBalanceWithoutCurrencySymbol(new BigDecimal("995"), null));
assertEquals("995.00", Utils.formatBalanceWithoutCurrencySymbol(new BigDecimal("995"), euro));
assertEquals("10", Utils.formatBalanceWithoutCurrencySymbol(new BigDecimal("9.95"), null));
assertEquals("9.95", Utils.formatBalanceWithoutCurrencySymbol(new BigDecimal("9.95"), euro));
assertEquals("1,234", Utils.formatBalanceWithoutCurrencySymbol(new BigDecimal("1234"), null));
assertEquals("1,234.00", Utils.formatBalanceWithoutCurrencySymbol(new BigDecimal("1234"), euro));
assertEquals("1,234", Utils.formatBalanceWithoutCurrencySymbol(new BigDecimal("1234.00"), null));
assertEquals("1,234.00", Utils.formatBalanceWithoutCurrencySymbol(new BigDecimal("1234.00"), euro));
}
}