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/*
* Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
* that can be found in the license/LICENSE.txt file.
*/
package test.text
import test.*
import kotlin.test.*
class StringNumberConversionJVMTest {
@Test fun toIntArabicDigits() {
compareConversion({ it.toInt() }, { it.toIntOrNull() }) {
assertProduces("٢٣١٩٦٠", 231960)
}
}
@Test fun toLongArabicDigits() {
compareConversion({ it.toLong() }, { it.toLongOrNull() }) {
assertProduces("٢٣١٩٦٠٧٧٨٤٥٩", 231960778459)
}
}
@Test fun toFloat() {
compareConversion(String::toFloat, String::toFloatOrNull) {
assertProduces("77.0", 77.0f)
assertProduces("-1e39", Float.NEGATIVE_INFINITY)
assertProduces("1000000000000000000000000000000000000000", Float.POSITIVE_INFINITY)
assertFailsOrNull("dark side")
assertFailsOrNull("")
assertFailsOrNull(" ")
}
}
@Test fun toHexDouble() {
compareConversion(String::toDouble, String::toDoubleOrNull, ::doubleTotalOrderEquals) {
assertProduces("0x77p1", (0x77 shl 1).toDouble())
assertProduces("0x.77P8", 0x77.toDouble())
assertFailsOrNull("0x77e1")
}
}
@Test fun toBigInteger() {
compareConversion(String::toBigInteger, String::toBigIntegerOrNull) {
assertProduces("0", java.math.BigInteger.ZERO)
assertProduces("1", java.math.BigInteger.ONE)
assertProduces("-1", java.math.BigInteger.ONE.negate())
assertProduces("100000000000000000000", java.math.BigInteger("100000000000000000000"))
assertFailsOrNull("")
assertFailsOrNull("-")
assertFailsOrNull("a")
assertFailsOrNull("-x")
assertFailsOrNull("1000 000")
}
compareConversionWithRadix(String::toBigInteger, String::toBigIntegerOrNull) {
assertProduces(16, "ABCDEF90ABCDEF9012345678", java.math.BigInteger("ABCDEF90ABCDEF9012345678", 16))
assertProduces(36, "HazelnutHazelnut", java.math.BigInteger.valueOf(1356099454469L).let { it.multiply(java.math.BigInteger.valueOf(36).pow(8)).add(it) })
assertFailsOrNull(16, "EFG")
assertFailsOrNull(10, "-1A")
assertFailsOrNull(2, "-")
assertFailsOrNull(3, "")
assertFailsWith<IllegalArgumentException>("Expected to fail with radix 37") { "37".toBigInteger(radix = 37) }
assertFailsWith<IllegalArgumentException>("Expected to fail with radix 1") { "1".toBigIntegerOrNull(radix = 1) }
}
}
@Test fun toBigDecimal() {
fun bd(value: String) = java.math.BigDecimal(value)
compareConversion(String::toBigDecimal, String::toBigDecimalOrNull) {
assertProduces("-77", bd("-77"))
assertProduces("-77.0", bd("-77.0"))
assertProduces("77.", bd("77"))
assertProduces("123456789012345678901234567890.123456789", bd("123456789012345678901234567890.123456789"))
assertProduces("-1.77", bd("-1.77"))
assertProduces("+.77", bd("0.77"))
assertProduces("7.7e1", bd("77"))
assertProduces("+770e-1", bd("77.0"))
assertFailsOrNull("7..7")
assertFailsOrNull("\t-77 \n")
assertFailsOrNull("007 not a number")
assertFailsOrNull("")
assertFailsOrNull(" ")
}
var mc = java.math.MathContext(3, java.math.RoundingMode.UP)
compareConversion( { it.toBigDecimal(mc) }, { it.toBigDecimalOrNull(mc) }) {
assertProduces("1.991", bd("2.00"))
mc = java.math.MathContext(1, java.math.RoundingMode.UNNECESSARY)
assertFailsWith<ArithmeticException> { "2.991".toBigDecimal(mc) }
assertFailsWith<ArithmeticException> { "2.991".toBigDecimalOrNull(mc) }
}
}
}
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