Ilya Gorbunov
104 lines
3.4 KiB
Kotlin
104 lines
3.4 KiB
Kotlin
/*
|
|
* 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.unsigned
|
|
|
|
import kotlin.math.sign
|
|
import kotlin.random.Random
|
|
import kotlin.test.*
|
|
|
|
class ULongTest {
|
|
|
|
private fun identity(u: ULong): ULong =
|
|
(u.toLong() + 0).toULong()
|
|
|
|
val zero = 0uL
|
|
val one = 1uL
|
|
val max = ULong.MAX_VALUE
|
|
|
|
@Test
|
|
fun equality() {
|
|
|
|
fun testEqual(uv1: ULong, uv2: ULong) {
|
|
assertEquals(uv1, uv2, "Boxed values should be equal")
|
|
assertTrue(uv1.equals(uv2), "Boxed values should be equal: $uv1, $uv2")
|
|
assertTrue(uv1 == uv2, "Values should be equal: $uv1, $uv2")
|
|
assertEquals(uv1.hashCode(), uv2.hashCode())
|
|
assertEquals((uv1 as Any).hashCode(), (uv2 as Any).hashCode())
|
|
assertEquals(uv1.toString(), uv2.toString())
|
|
assertEquals((uv1 as Any).toString(), (uv2 as Any).toString())
|
|
}
|
|
|
|
testEqual(one, identity(one))
|
|
testEqual(max, identity(max))
|
|
|
|
fun testNotEqual(uv1: ULong, uv2: ULong) {
|
|
assertNotEquals(uv1, uv2, "Boxed values should be equal")
|
|
assertTrue(uv1 != uv2, "Values should be not equal: $uv1, $uv2")
|
|
assertNotEquals(uv1.toString(), uv2.toString())
|
|
assertNotEquals((uv1 as Any).toString(), (uv2 as Any).toString())
|
|
}
|
|
|
|
testNotEqual(one, zero)
|
|
testNotEqual(max, zero)
|
|
}
|
|
|
|
@Test
|
|
fun convertToString() {
|
|
fun testToString(expected: String, u: ULong) {
|
|
assertEquals(expected, u.toString())
|
|
assertEquals(expected, (u as Any).toString(), "Boxed toString")
|
|
assertEquals(expected, "$u", "String template")
|
|
}
|
|
|
|
repeat(100) {
|
|
val v = Random.nextLong() ushr 1
|
|
testToString(v.toString(), v.toULong())
|
|
}
|
|
|
|
repeat(100) {
|
|
val v = Random.nextLong(8446744073709551615L + 1)
|
|
testToString("1${v.toString().padStart(19, '0')}", (5000000000000000000.toULong() * 2.toULong() + v.toULong()))
|
|
}
|
|
|
|
testToString("18446744073709551615", ULong.MAX_VALUE)
|
|
}
|
|
|
|
@Test
|
|
fun comparisons() {
|
|
fun <T> compare(op1: Comparable<T>, op2: T) = op1.compareTo(op2)
|
|
|
|
fun testComparison(uv1: ULong, uv2: ULong, expected: Int) {
|
|
val desc = "${uv1.toString()}, ${uv2.toString()}"
|
|
assertEquals(expected, uv1.compareTo(uv2).sign, "compareTo: $desc")
|
|
assertEquals(expected, (uv1 as Comparable<ULong>).compareTo(uv2).sign, "Comparable.compareTo: $desc")
|
|
assertEquals(expected, compare(uv1, uv2).sign, "Generic compareTo: $desc")
|
|
|
|
assertEquals(expected < 0, uv1 < uv2)
|
|
assertEquals(expected <= 0, uv1 <= uv2)
|
|
assertEquals(expected > 0, uv1 > uv2)
|
|
assertEquals(expected >= 0, uv1 >= uv2)
|
|
}
|
|
|
|
fun testEquals(uv1: ULong, uv2: ULong) = testComparison(uv1, uv2, 0)
|
|
fun testCompare(uv1: ULong, uv2: ULong, expected12: Int) {
|
|
testComparison(uv1, uv2, expected12)
|
|
testComparison(uv2, uv1, -expected12)
|
|
}
|
|
|
|
testEquals(one, identity(one))
|
|
testEquals(max, identity(max))
|
|
|
|
testCompare(zero, one, -1)
|
|
testCompare(Long.MAX_VALUE.toULong(), zero, 1)
|
|
|
|
testCompare(zero, ULong.MAX_VALUE, -1)
|
|
testCompare((Long.MAX_VALUE).toULong() + one, ULong.MAX_VALUE, -1)
|
|
}
|
|
|
|
|
|
|
|
|
|
} |