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package scala.collection.mutable
import org.junit.runner.RunWith
import org.junit.runners.JUnit4
import org.junit.Test
import scala.collection.mutable
@RunWith(classOf[JUnit4])
/* Test for SI-8014 and ++ in general */
class VectorTest {
val noVec = Vector.empty[Int]
val smallVec = Vector.range(0,3)
val bigVec = Vector.range(0,64)
val smsm = Vector.tabulate(2 * smallVec.length)(i => (i % smallVec.length))
val smbig = Vector.tabulate(smallVec.length + bigVec.length)(i =>
if (i < smallVec.length) i else i - smallVec.length
)
val bigsm = Vector.tabulate(smallVec.length + bigVec.length)(i =>
if (i < bigVec.length) i else i - bigVec.length
)
val bigbig = Vector.tabulate(2 * bigVec.length)(i => (i % bigVec.length))
val vecs = List(noVec, smallVec, bigVec)
val ans = List(
vecs,
List(smallVec, smsm, smbig),
List(bigVec, bigsm, bigbig)
)
@Test
def vectorCat() {
val cats = vecs.map(a => vecs.map(a ++ _))
assert( cats == ans )
}
@Test
def iteratorCat() {
def its = vecs.map(_.toList.toIterator)
val cats = vecs.map(a => its.map(a ++ _))
println(cats)
assert( cats == ans )
}
@Test
def arrayCat() {
val ars = vecs.map(_.toArray)
val cats = vecs.map(a => ars.map(a ++ _))
assert( cats == ans )
}
}
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