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/*
* Copyright 2010-2019 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 ranges
import kotlin.test.*
public class URangeTest {
@Test
fun uintRange() {
val range = 9u..(-5).toUInt()
assertFalse((-4).toUInt() in range)
assertFalse((-1).toUInt() in range)
assertFalse(0u in range)
assertFalse(3u in range)
assertFalse(8u in range)
assertTrue(9u in range)
assertTrue(10u in range)
assertTrue(9000u in range)
assertTrue((-1000).toUInt() in range)
assertTrue((-6).toUInt() in range)
assertTrue((-5).toUInt() in range)
assertFalse(range.isEmpty())
assertTrue(9u in (range as ClosedRange<UInt>))
assertFalse((range as ClosedRange<UInt>).isEmpty())
assertTrue(12.toUShort() in range)
assertTrue(12.toUByte() in range)
assertTrue(12.toULong() in range)
assertFalse((-1).toULong() in range)
assertFalse((-1000).toULong() in range)
assertFalse(null in range)
assertTrue(12u as UInt? in range)
assertFalse((-3).toUInt() as UInt? in range)
val openRange = 1u until 10u
assertTrue(9u in openRange)
assertFalse(10u in openRange)
assertTrue((1u until UInt.MIN_VALUE).isEmpty())
}
@Test
fun ubyteRange() {
val range = 9.toUByte()..(-5).toUByte()
assertFalse((-4).toUByte() in range)
assertFalse((-1).toUByte() in range)
assertFalse(0.toUByte() in range)
assertFalse(3.toUByte() in range)
assertFalse(8.toUByte() in range)
assertTrue(9.toUByte() in range)
assertTrue(10.toUByte() in range)
assertTrue(111.toUByte() in range)
assertTrue((-100).toUByte() in range)
assertTrue((-6).toUByte() in range)
assertTrue((-5).toUByte() in range)
assertFalse(range.isEmpty())
assertTrue(12.toUShort() in range)
assertTrue(12.toUInt() in range)
assertTrue(12.toULong() in range)
assertFalse((-1).toUShort() in range)
assertFalse((-1000).toUInt() in range)
// assertTrue(1.toUByte() as UByte? in range) // expected not to compile
val openRange = 1.toUByte() until 10.toUByte()
assertTrue(9.toUByte() in openRange)
assertFalse(10.toUByte() in openRange)
assertTrue((UByte.MAX_VALUE until UByte.MIN_VALUE).isEmpty())
}
@Test
fun ushortRange() {
val range = 9.toUShort()..(-5).toUShort()
assertFalse((-1).toUShort() in range)
assertFalse((-4).toUShort() in range)
assertFalse(0.toUShort() in range)
assertFalse(3.toUShort() in range)
assertFalse(8.toUShort() in range)
assertTrue(9.toUShort() in range)
assertTrue(10.toUShort() in range)
assertTrue(239.toUShort() in range)
assertTrue((-1000).toUShort() in range)
assertTrue((-6).toUShort() in range)
assertTrue((-5).toUShort() in range)
assertFalse(range.isEmpty())
assertTrue(12.toUByte() in range)
assertTrue(12.toUInt() in range)
assertTrue(12.toULong() in range)
assertFalse((-1).toUInt() in range)
assertFalse((-1000).toULong() in range)
// assertTrue(1.toUShort() as UShort? in range) // expected not to compile
val openRange = 1.toUShort() until 10.toUShort()
assertTrue(9.toUShort() in openRange)
assertFalse(10.toUShort() in openRange)
assertTrue((0.toUShort() until UShort.MIN_VALUE).isEmpty())
}
@Test
fun ulongRange() {
val range = 9uL..(-5).toULong()
assertFalse((-1).toULong() in range)
assertFalse((-4).toULong() in range)
assertFalse(0uL in range)
assertFalse(3uL in range)
assertFalse(8uL in range)
assertTrue(9uL in range)
assertTrue(10uL in range)
assertTrue(10000000uL in range)
assertTrue((-10000000).toULong() in range)
assertTrue((-6).toULong() in range)
assertTrue((-5).toULong() in range)
assertFalse(range.isEmpty())
assertTrue((-5).toULong() in (range as ClosedRange<ULong>))
assertFalse((range as ClosedRange<ULong>).isEmpty())
assertTrue(12.toUByte() in range)
assertTrue(12.toUShort() in range)
assertTrue(12.toUInt() in range)
assertFalse(null in range)
assertTrue(12uL as ULong? in range)
assertFalse((-3).toULong() as ULong? in range)
val openRange = 1uL until 10uL
assertTrue(9uL in openRange)
assertFalse(10uL in openRange)
assertTrue((0uL until ULong.MIN_VALUE).isEmpty())
}
@Suppress("EmptyRange")
@Test
fun isEmpty() {
assertTrue((2u..1u).isEmpty())
assertTrue((2uL..0uL).isEmpty())
assertTrue(((-1).toUShort()..1.toUShort()).isEmpty())
assertTrue(((-5).toUByte()..0.toUByte()).isEmpty())
assertTrue((1u downTo 2u).isEmpty())
assertTrue((0uL downTo 2uL).isEmpty())
assertFalse((2u downTo 1u).isEmpty())
assertFalse((2uL downTo 0uL).isEmpty())
}
@Suppress("ReplaceAssertBooleanWithAssertEquality", "EmptyRange")
@Test
fun emptyEquals() {
assertTrue(UIntRange.EMPTY == UIntRange.EMPTY)
assertEquals(UIntRange.EMPTY, UIntRange.EMPTY)
assertEquals(0uL..42uL, 0uL..42uL)
assertEquals(0uL..4200000042000000uL, 0uL..4200000042000000uL)
assertEquals(3u downTo 0u, 3u downTo 0u)
assertEquals(2u..1u, 1u..0u)
assertEquals(2uL..1uL, 1uL..0uL)
assertEquals(2u.toUShort()..1u.toUShort(), 1u.toUShort()..0u.toUShort())
assertEquals(2u.toUByte()..1u.toUByte(), 1u.toUByte()..0u.toUByte())
assertTrue(1u downTo 2u == 2u downTo 3u)
assertTrue(0uL downTo (-1).toULong() == (-2).toULong() downTo (-1).toULong())
assertFalse(0u..1u == UIntRange.EMPTY)
}
@Suppress("EmptyRange")
@Test
fun emptyHashCode() {
assertEquals((0u..42u).hashCode(), (0u..42u).hashCode())
assertEquals(((-1).toUInt()..0u).hashCode(), UIntRange.EMPTY.hashCode())
assertEquals((2uL..1uL).hashCode(), (1uL..0uL).hashCode())
assertEquals(((-1).toUShort()..(-2).toUShort()).hashCode(), (42.toUShort()..0.toUShort()).hashCode())
assertEquals(((-1).toUByte()..(-2).toUByte()).hashCode(), (42.toUByte()..0.toUByte()).hashCode())
assertEquals((1u downTo 2u).hashCode(), (2u downTo 3U).hashCode())
assertEquals((1UL downTo 2uL).hashCode(), (2UL downTo 3UL).hashCode())
}
private fun assertFailsWithIllegalArgument(f: () -> Unit) = assertFailsWith<IllegalArgumentException> { f() }
@Test
fun illegalProgressionCreation() {
// create Progression explicitly with increment = 0
assertFailsWithIllegalArgument { UIntProgression.fromClosedRange(0u, 5u, 0) }
assertFailsWithIllegalArgument { ULongProgression.fromClosedRange(0uL, 5uL, 0) }
assertFailsWithIllegalArgument { 0u..5u step 0 }
assertFailsWithIllegalArgument { 0.toUByte()..5.toUByte() step 0 }
assertFailsWithIllegalArgument { 0.toUShort()..5.toUShort() step 0 }
assertFailsWithIllegalArgument { 0uL..5uL step 0 }
assertFailsWithIllegalArgument { (-5).toUInt() downTo 0u step 0 }
assertFailsWithIllegalArgument { (-5).toUByte() downTo 0.toUByte() step 0 }
assertFailsWithIllegalArgument { (-5).toUShort() downTo 0.toUShort() step 0 }
assertFailsWithIllegalArgument { (-5).toULong() downTo 0uL step 0L }
assertFailsWithIllegalArgument { 0u..5u step -2 }
assertFailsWithIllegalArgument { 0.toUByte()..5.toUByte() step -2 }
assertFailsWithIllegalArgument { 0.toUShort()..5.toUShort() step -2 }
assertFailsWithIllegalArgument { 0uL..5uL step -2L }
assertFailsWithIllegalArgument { (-5).toUInt() downTo 0u step -2 }
assertFailsWithIllegalArgument { (-5).toUByte() downTo 0.toUByte() step -2 }
assertFailsWithIllegalArgument { (-5).toUShort() downTo 0.toUShort() step -2 }
assertFailsWithIllegalArgument { (-5).toULong() downTo 0uL step -2L }
}
@Test
fun stepSizeIsTooLow() {
assertFailsWithIllegalArgument { UIntProgression.fromClosedRange(0u, 1u, Int.MIN_VALUE) }
assertFailsWithIllegalArgument { ULongProgression.fromClosedRange(0u, 1u, Long.MIN_VALUE) }
}
@Test
fun randomInEmptyRange() {
assertFailsWith<NoSuchElementException> { UIntRange.EMPTY.random() }
assertFailsWith<NoSuchElementException> { ULongRange.EMPTY.random() }
}
}
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