Mikhail Zarechenskiy
44 lines
1.2 KiB
Kotlin
44 lines
1.2 KiB
Kotlin
@file:kotlin.jvm.JvmVersion
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package test.numbers
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import java.math.BigInteger
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import java.math.BigDecimal
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import kotlin.test.*
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import org.junit.Test
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class MathTest {
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@Test fun testBigInteger() {
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val a = BigInteger("2")
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val b = BigInteger("3")
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assertEquals(BigInteger("5"), a + b)
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assertEquals(BigInteger("-1"), a - b)
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assertEquals(BigInteger("6"), a * b)
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assertEquals(BigInteger("0"), a / b)
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assertEquals(BigInteger("-2"), -a)
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assertEquals(BigInteger("-2"), -a % b)
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assertEquals(BigInteger("1"), (-a).mod(b))
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assertEquals(BigInteger("-2"), (-a).remainder(b))
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}
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@Test fun testBigDecimal() {
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val a = BigDecimal("2")
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val b = BigDecimal("3")
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assertEquals(BigDecimal("5"), a + b)
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assertEquals(BigDecimal("-1"), a - b)
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assertEquals(BigDecimal("6"), a * b)
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assertEquals(BigDecimal("2"), BigDecimal("4") / a)
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assertEquals(BigDecimal("-2"), -a)
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assertEquals(BigDecimal("-2"), -a % b)
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assertEquals(BigDecimal("-2"), (-a).mod(b))
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assertEquals(BigDecimal("-2"), (-a).rem(b))
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}
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}
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fun main(args: Array<String>) {
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MathTest().testBigInteger()
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MathTest().testBigDecimal()
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}
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