James Strachan
41 lines
1.1 KiB
Kotlin
41 lines
1.1 KiB
Kotlin
package test.collections;
|
|
|
|
import kotlin.math.*
|
|
import java.math.BigInteger
|
|
import java.math.BigDecimal
|
|
|
|
import kotlin.test.*
|
|
import junit.framework.TestCase
|
|
|
|
class MathTest : TestCase() {
|
|
fun testBigInteger() {
|
|
val a = BigInteger("2")
|
|
val b = BigInteger("3")
|
|
|
|
assertEquals(BigInteger("5"), a + b)
|
|
assertEquals(BigInteger("-1"), a - b)
|
|
assertEquals(BigInteger("6"), a * b)
|
|
assertEquals(BigInteger("0"), a / b)
|
|
assertEquals(BigInteger("-2"), -a)
|
|
assertEquals(BigInteger("1"), -a % b)
|
|
assertEquals(BigInteger("-2"), -a remainder b)
|
|
}
|
|
|
|
fun testBigDecimal() {
|
|
val a = BigDecimal("2")
|
|
val b = BigDecimal("3")
|
|
|
|
assertEquals(BigDecimal("5"), a + b)
|
|
assertEquals(BigDecimal("-1"), a - b)
|
|
assertEquals(BigDecimal("6"), a * b)
|
|
assertEquals(BigDecimal("2"), BigDecimal("4") / a)
|
|
assertEquals(BigDecimal("-2"), -a)
|
|
assertEquals(BigDecimal("-2"), -a % b)
|
|
}
|
|
}
|
|
|
|
fun main(args: Array<String>) {
|
|
MathTest().testBigInteger()
|
|
MathTest().testBigDecimal()
|
|
}
|