Sha256: cb608e44ef1d264ce158270037abbf645a6433e20013024c7066d7ef09d129ad
Contents?: true
Size: 1.39 KB
Versions: 76
Compression:
Stored size: 1.39 KB
Contents
import org.junit.Ignore
import org.junit.Rule
import org.junit.Test
import org.junit.rules.ExpectedException
import kotlin.test.assertEquals
/*
* version: 1.1.0
*/
class CollatzCalculatorTest {
@Rule
@JvmField
var expectedException: ExpectedException = ExpectedException.none()
@Test
fun testZeroStepsRequiredWhenStartingFrom1() {
assertEquals(0, CollatzCalculator.computeStepCount(1))
}
@Ignore
@Test
fun testCorrectNumberOfStepsWhenAllStepsAreDivisions() {
assertEquals(4, CollatzCalculator.computeStepCount(16))
}
@Ignore
@Test
fun testCorrectNumberOfStepsWhenBothStepTypesAreNeeded() {
assertEquals(9, CollatzCalculator.computeStepCount(12))
}
@Ignore
@Test
fun testAVeryLargeInput() {
assertEquals(152, CollatzCalculator.computeStepCount(1000000))
}
@Ignore
@Test
fun testZeroIsConsideredInvalidInput() {
expectedException.expect(IllegalArgumentException::class.java)
expectedException.expectMessage("Only natural numbers are allowed")
CollatzCalculator.computeStepCount(0)
}
@Ignore
@Test
fun testNegativeIntegerIsConsideredInvalidInput() {
expectedException.expect(IllegalArgumentException::class.java)
expectedException.expectMessage("Only natural numbers are allowed")
CollatzCalculator.computeStepCount(-15)
}
}
Version data entries
76 entries across 76 versions & 1 rubygems