Ilya Gorbunov
60 lines
2.5 KiB
Kotlin
60 lines
2.5 KiB
Kotlin
package test.ranges
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import kotlin.ranges.LongProgression.Companion
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import java.lang.Double as jDouble
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import java.lang.Float as jFloat
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import org.junit.Test as test
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import kotlin.test.*
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public class RangeJVMTest {
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@test fun doubleRange() {
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val range = -1.0..3.14159265358979
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assertFalse(jDouble.NEGATIVE_INFINITY in range)
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assertFalse(jDouble.POSITIVE_INFINITY in range)
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assertFalse(jDouble.NaN in range)
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}
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@test fun floatRange() {
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val range = -1.0f..3.14159f
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assertFalse(jFloat.NEGATIVE_INFINITY in range)
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assertFalse(jFloat.POSITIVE_INFINITY in range)
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assertFalse(jFloat.NaN in range)
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}
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@test fun illegalProgressionCreation() {
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fun assertFailsWithIllegalArgument(f: () -> Unit) = assertFailsWith(IllegalArgumentException::class, block = f)
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// create Progression explicitly with increment = 0
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assertFailsWithIllegalArgument { IntProgression.fromClosedRange(0, 5, 0) }
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assertFailsWithIllegalArgument { LongProgression.fromClosedRange(0, 5, 0) }
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assertFailsWithIllegalArgument { CharProgression.fromClosedRange('a', 'z', 0) }
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assertFailsWithIllegalArgument { 0..5 step 0 }
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assertFailsWithIllegalArgument { 0.toByte()..5.toByte() step 0 }
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assertFailsWithIllegalArgument { 0.toShort()..5.toShort() step 0 }
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assertFailsWithIllegalArgument { 0L..5L step 0L }
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assertFailsWithIllegalArgument { 'a'..'z' step 0 }
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assertFailsWithIllegalArgument { 0 downTo -5 step 0 }
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assertFailsWithIllegalArgument { 0.toByte() downTo -5.toByte() step 0 }
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assertFailsWithIllegalArgument { 0.toShort() downTo -5.toShort() step 0 }
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assertFailsWithIllegalArgument { 0L downTo -5L step 0L }
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assertFailsWithIllegalArgument { 'z' downTo 'a' step 0 }
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assertFailsWithIllegalArgument { 0..5 step -2 }
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assertFailsWithIllegalArgument { 0.toByte()..5.toByte() step -2 }
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assertFailsWithIllegalArgument { 0.toShort()..5.toShort() step -2 }
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assertFailsWithIllegalArgument { 0L..5L step -2L }
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assertFailsWithIllegalArgument { 'a'..'z' step -2 }
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assertFailsWithIllegalArgument { 0 downTo -5 step -2 }
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assertFailsWithIllegalArgument { 0.toByte() downTo -5.toByte() step -2 }
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assertFailsWithIllegalArgument { 0.toShort() downTo -5.toShort() step -2 }
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assertFailsWithIllegalArgument { 0L downTo -5L step -2L }
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assertFailsWithIllegalArgument { 'z' downTo 'a' step -2 }
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}
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} |