diff options
Diffstat (limited to 'taler-kotlin-android/src/test/java')
| -rw-r--r-- | taler-kotlin-android/src/test/java/net/taler/common/AmountTest.kt | 157 |
1 files changed, 150 insertions, 7 deletions
diff --git a/taler-kotlin-android/src/test/java/net/taler/common/AmountTest.kt b/taler-kotlin-android/src/test/java/net/taler/common/AmountTest.kt index 7072426..1ea4e70 100644 --- a/taler-kotlin-android/src/test/java/net/taler/common/AmountTest.kt +++ b/taler-kotlin-android/src/test/java/net/taler/common/AmountTest.kt @@ -16,10 +16,12 @@ package net.taler.common +import android.os.Build import org.junit.Assert.assertEquals import org.junit.Assert.assertFalse import org.junit.Assert.assertTrue import org.junit.Test +import java.text.DecimalFormatSymbols import kotlin.random.Random class AmountTest { @@ -41,7 +43,6 @@ class AmountTest { assertEquals("TESTKUDOS", amount.currency) assertEquals(23, amount.value) assertEquals((0.42 * 1e8).toInt(), amount.fraction) - assertEquals("23.42 TESTKUDOS", amount.toString()) str = "EUR:500000000.00000001" amount = Amount.fromJSONString(str) @@ -49,7 +50,6 @@ class AmountTest { assertEquals("EUR", amount.currency) assertEquals(500000000, amount.value) assertEquals(1, amount.fraction) - assertEquals("500000000.00000001 EUR", amount.toString()) str = "EUR:1500000000.00000003" amount = Amount.fromJSONString(str) @@ -57,14 +57,158 @@ class AmountTest { assertEquals("EUR", amount.currency) assertEquals(1500000000, amount.value) assertEquals(3, amount.fraction) - assertEquals("1500000000.00000003 EUR", amount.toString()) } @Test fun testToString() { - Amount.fromString("BITCOINBTC", "0.00000001").let { amount -> - assertEquals("0.00000001 BITCOINBTC", amount.toString()) - assertEquals("0.00000001", amount.amountStr) + amountToString( + amount = Amount.fromString("KUDOS", "13.71"), + spec = CurrencySpecification( + name = "Test (Taler Demostrator)", + numFractionalInputDigits = 2, + numFractionalNormalDigits = 2, + numFractionalTrailingZeroDigits = 2, + altUnitNames = mapOf(0 to "ク"), + ), + rawStr = "13.71", + fraction = 71000000, + specAmount = "13.71", + noSpecAmount = "13.71", + currency = "KUDOS", + symbol = "ク", + ) + + amountToString( + amount = Amount.fromString("TESTKUDOS", "23.42"), + spec = CurrencySpecification( + name = "Test (Taler Unstable Demostrator)", + numFractionalInputDigits = 0, + numFractionalNormalDigits = 0, + numFractionalTrailingZeroDigits = 0, + altUnitNames = mapOf(0 to "テ"), + ), + rawStr = "23.42", + fraction = 42000000, + specAmount = "23", + noSpecAmount = "23.42", + currency = "TESTKUDOS", + symbol = "テ", + ) + + amountToString( + amount = Amount.fromString("BITCOINBTC", "0.00000001"), + spec = CurrencySpecification( + name = "Bitcoin", + numFractionalInputDigits = 8, + numFractionalNormalDigits = 8, + numFractionalTrailingZeroDigits = 0, + altUnitNames = mapOf( + 0 to "₿", + // TODO: uncomment when units get implemented + // and then write tests for units, please +// -1 to "d₿", +// -2 to "c₿", +// -3 to "m₿", +// -6 to "µ₿", +// -8 to "sat", + ), + ), + rawStr = "0.00000001", + fraction = 1, + specAmount = "0.00000001", + noSpecAmount = "0.00000001", + currency = "BITCOINBTC", + symbol = "₿", + ) + + val specEUR = CurrencySpecification( + name = "EUR", + numFractionalInputDigits = 2, + numFractionalNormalDigits = 2, + numFractionalTrailingZeroDigits = 2, + altUnitNames = mapOf(0 to "€"), + ) + + amountToString( + amount = Amount.fromString("EUR", "1500000000.00000003"), + spec = specEUR, + rawStr = "1500000000.00000003", + fraction = 3, + specAmount = "1,500,000,000.00", + noSpecAmount = "1,500,000,000.00000003", + currency = "EUR", + symbol = "€", + ) + + amountToString( + amount = Amount.fromString("EUR", "500000000.126"), + spec = specEUR, + rawStr = "500000000.126", + fraction = 12600000, + specAmount = "500,000,000.13", + noSpecAmount = "500,000,000.126", + currency = "EUR", + symbol = "€", + ) + + amountToString( + amount = Amount.fromString("NOSYMBOL", "13.24"), + spec = CurrencySpecification( + name = "No symbol!", + numFractionalInputDigits = 2, + numFractionalNormalDigits = 2, + numFractionalTrailingZeroDigits = 2, + altUnitNames = mapOf(), + ), + rawStr = "13.24", + fraction = 24000000, + specAmount = "13.24", + noSpecAmount = "13.24", + currency = "NOSYMBOL", + symbol = "NOSYMBOL", + ) + } + + private fun amountToString( + amount: Amount, + spec: CurrencySpecification, + rawStr: String, + fraction: Int, + specAmount: String, + noSpecAmount: String, + currency: String, + symbol: String, + ) { + val symbols = DecimalFormatSymbols.getInstance() + symbols.decimalSeparator = '.' + symbols.groupingSeparator = ',' + symbols.monetaryDecimalSeparator = '.' + if (Build.VERSION.SDK_INT >= 34) { + symbols.monetaryGroupingSeparator = ',' + } + + // Only the raw amount + assertEquals(rawStr, amount.amountStr) + assertEquals(fraction, amount.fraction) + + // The amount without currency spec + assertEquals("$noSpecAmount $currency", amount.toString(symbols = symbols)) + assertEquals(noSpecAmount, amount.toString(symbols = symbols, showSymbol = false)) + assertEquals("-$noSpecAmount $currency", amount.toString(symbols = symbols, negative = true)) + assertEquals("-$noSpecAmount", amount.toString(symbols = symbols, showSymbol = false, negative = true)) + + // The amount with currency spec + val withSpec = amount.withSpec(spec) + assertEquals(specAmount, withSpec.toString(symbols = symbols, showSymbol = false)) + assertEquals(specAmount, withSpec.toString(symbols = symbols, showSymbol = false)) + assertEquals("-$specAmount", withSpec.toString(symbols = symbols, showSymbol = false, negative = true)) + assertEquals("-$specAmount", withSpec.toString(symbols = symbols, showSymbol = false, negative = true)) + if (spec.symbol != null) { + assertEquals("${symbol}$specAmount", withSpec.toString(symbols = symbols)) + assertEquals("-${symbol}$specAmount", withSpec.toString(symbols = symbols, negative = true)) + } else { + assertEquals("$specAmount $currency", withSpec.toString(symbols = symbols)) + assertEquals("-$specAmount $currency", withSpec.toString(symbols = symbols, negative = true)) } } @@ -76,7 +220,6 @@ class AmountTest { assertEquals(str, amount.toJSONString()) assertEquals("TESTKUDOS123", amount.currency) assertEquals(maxValue, amount.value) - assertEquals("$maxValue.99999999 TESTKUDOS123", amount.toString()) // longer currency not accepted assertThrows<AmountParserException>("longer currency was accepted") { |