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Updated on 2026-08-14

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This commit is contained in:
Tangem 2026-05-06 10:35:39 +02:00
parent a107f9299d
commit 13f139afa8
3 changed files with 63 additions and 2 deletions
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2
core/ui/src/main/java/com/tangem/core/ui/format/bigdecimal/BigDecimalFiatFormat.kt
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@ -232,7 +232,7 @@ private fun BigDecimal.isLessThanThreshold() = this > BigDecimal.ZERO && this <
* Returns amount with correct scale
*/
fun getFiatPriceAmountWithScale(value: BigDecimal): Pair<BigDecimal, Int> {
return if (value < BigDecimal.ONE) {
return if (value > BigDecimal.ZERO && value < BigDecimal.ONE) {
val leadingZeroes = value.scale() - value.precision()
val scale = leadingZeroes + FRACTIONAL_PART_LENGTH_AFTER_LEADING_ZEROES

48
core/ui/src/test/kotlin/com/tangem/core/ui/format/bigdecimal/BigDecimalFiatFormatTest.kt
View file

@ -294,4 +294,52 @@ internal class BigDecimalFiatFormatTest {
Truth.assertThat(formatted)
.isEqualTo("0.00000000000000000000123".addUsdSymbolLeft())
}
@Test
fun `price zero is formatted with default precision and does not crash`() {
val testValue = BigDecimal.ZERO
val formatted = testValue.format {
fiat(
fiatCurrencyCode = usdCurrencyCode,
fiatCurrencySymbol = usdSymbol,
locale = testLocale,
).price()
}
Truth.assertThat(formatted)
.isEqualTo("0.00".addUsdSymbolLeft())
}
@Test
fun `price negative integer keeps sign and does not crash`() {
val testValue = BigDecimal("-500")
val formatted = testValue.format {
fiat(
fiatCurrencyCode = usdCurrencyCode,
fiatCurrencySymbol = usdSymbol,
locale = testLocale,
).price()
}
Truth.assertThat(formatted)
.isEqualTo("-" + "500.00".addUsdSymbolLeft())
}
@Test
fun `price negative fractional keeps sign and does not crash`() {
val testValue = BigDecimal("-0.5")
val formatted = testValue.format {
fiat(
fiatCurrencyCode = usdCurrencyCode,
fiatCurrencySymbol = usdSymbol,
locale = testLocale,
).price()
}
Truth.assertThat(formatted)
.isEqualTo("-" + "0.50".addUsdSymbolLeft())
}
}