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package scala.collection.immutable
import org.junit.Assert._
import org.junit.Test
import org.junit.runner.RunWith
import org.junit.runners.JUnit4
@RunWith(classOf[JUnit4])
class ListSetTest {
@Test
def t7445(): Unit = {
val s = ListSet(1, 2, 3, 4, 5)
assertEquals(ListSet(2, 3, 4, 5), s.tail)
}
@Test
def hasCorrectBuilder(): Unit = {
val m = ListSet("a", "b", "c", "b", "d")
assertEquals(List("a", "b", "c", "d"), m.toList)
}
@Test
def hasTailRecursiveDelete(): Unit = {
val s = ListSet(1 to 50000: _*)
try s - 25000 catch { case e: StackOverflowError => fail("A stack overflow occurred") }
}
@Test
def hasCorrectHeadTailLastInit(): Unit = {
val m = ListSet(1, 2, 3)
assertEquals(1, m.head)
assertEquals(ListSet(2, 3), m.tail)
assertEquals(3, m.last)
assertEquals(ListSet(1, 2), m.init)
}
@Test
def hasCorrectAddRemove(): Unit = {
val m = ListSet(1, 2, 3)
assertEquals(ListSet(1, 2, 3, 4), m + 4)
assertEquals(ListSet(1, 2, 3), m + 2)
assertEquals(ListSet(2, 3), m - 1)
assertEquals(ListSet(1, 3), m - 2)
assertEquals(ListSet(1, 2, 3), m - 4)
}
@Test
def hasCorrectIterator(): Unit = {
val s = ListSet(1, 2, 3, 5, 4)
assertEquals(List(1, 2, 3, 5, 4), s.iterator.toList)
}
}
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