stack_wallet/test/utilities/amount/amount_unit_test.dart

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import 'package:decimal/decimal.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:stackwallet/utilities/amount/amount.dart';
import 'package:stackwallet/utilities/amount/amount_unit.dart';
import 'package:stackwallet/utilities/enums/coin_enum.dart';
void main() {
test("displayAmount BTC", () {
final Amount amount = Amount(
rawValue: BigInt.from(1012345678),
fractionDigits: 8,
);
expect(
AmountUnit.normal.displayAmount(
amount: amount,
locale: "en_US",
coin: Coin.bitcoin,
maxDecimalPlaces: 8,
),
"10.12345678 BTC",
);
expect(
AmountUnit.milli.displayAmount(
amount: amount,
locale: "en_US",
coin: Coin.bitcoin,
maxDecimalPlaces: 8,
),
"10,123.45678 mBTC",
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);
expect(
AmountUnit.micro.displayAmount(
amount: amount,
locale: "en_US",
coin: Coin.bitcoin,
maxDecimalPlaces: 8,
),
"10,123,456.78 µBTC",
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);
expect(
AmountUnit.nano.displayAmount(
amount: amount,
locale: "en_US",
coin: Coin.bitcoin,
maxDecimalPlaces: 8,
),
"1,012,345,678 sats",
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);
final dec = Decimal.parse("10.123456789123456789");
expect(dec.toString(), "10.123456789123456789");
});
test("displayAmount ETH", () {
final Amount amount = Amount.fromDecimal(
Decimal.parse("10.123456789123456789"),
fractionDigits: Coin.ethereum.decimals,
);
expect(
AmountUnit.normal.displayAmount(
amount: amount,
locale: "en_US",
coin: Coin.ethereum,
maxDecimalPlaces: 8,
),
"~10.12345678 ETH",
);
expect(
AmountUnit.normal.displayAmount(
amount: amount,
locale: "en_US",
coin: Coin.ethereum,
maxDecimalPlaces: 4,
),
"~10.1234 ETH",
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);
expect(
AmountUnit.normal.displayAmount(
amount: amount,
locale: "en_US",
coin: Coin.ethereum,
maxDecimalPlaces: 18,
),
"10.123456789123456789 ETH",
);
expect(
AmountUnit.milli.displayAmount(
amount: amount,
locale: "en_US",
coin: Coin.ethereum,
maxDecimalPlaces: 9,
),
"~10,123.456789123 mETH",
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);
expect(
AmountUnit.micro.displayAmount(
amount: amount,
locale: "en_US",
coin: Coin.ethereum,
maxDecimalPlaces: 8,
),
"~10,123,456.78912345 µETH",
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);
expect(
AmountUnit.nano.displayAmount(
amount: amount,
locale: "en_US",
coin: Coin.ethereum,
maxDecimalPlaces: 1,
),
"~10,123,456,789.1 gwei",
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);
expect(
AmountUnit.pico.displayAmount(
amount: amount,
locale: "en_US",
coin: Coin.ethereum,
maxDecimalPlaces: 18,
),
"10,123,456,789,123.456789 mwei",
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);
expect(
AmountUnit.femto.displayAmount(
amount: amount,
locale: "en_US",
coin: Coin.ethereum,
maxDecimalPlaces: 4,
),
"10,123,456,789,123,456.789 kwei",
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);
expect(
AmountUnit.atto.displayAmount(
amount: amount,
locale: "en_US",
coin: Coin.ethereum,
maxDecimalPlaces: 1,
),
"10,123,456,789,123,456,789 wei",
);
});
test("parse eth string to amount", () {
final Amount amount = Amount.fromDecimal(
Decimal.parse("10.123456789123456789"),
fractionDigits: Coin.ethereum.decimals,
);
expect(
AmountUnit.nano.tryParse(
"~10,123,456,789.1 gwei",
locale: "en_US",
coin: Coin.ethereum,
),
Amount.fromDecimal(
Decimal.parse("10.1234567891"),
fractionDigits: Coin.ethereum.decimals,
),
);
expect(
AmountUnit.atto.tryParse(
"10,123,456,789,123,456,789 wei",
locale: "en_US",
coin: Coin.ethereum,
),
amount,
);
});
test("parse btc string to amount", () {
final Amount amount = Amount(
rawValue: BigInt.from(1012345678),
fractionDigits: 8,
);
expect(
AmountUnit.normal.tryParse(
"10.12345678 BTC",
locale: "en_US",
coin: Coin.bitcoin,
),
amount,
);
expect(
AmountUnit.milli.tryParse(
"10,123.45678 mBTC",
locale: "en_US",
coin: Coin.bitcoin,
),
amount,
);
expect(
AmountUnit.micro.tryParse(
"10,123,456.7822 µBTC",
locale: "en_US",
coin: Coin.bitcoin,
),
amount,
);
expect(
AmountUnit.nano.tryParse(
"1,012,345,678 sats",
locale: "en_US",
coin: Coin.bitcoin,
),
amount,
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);
});
}