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/*
* Copyright 2010-2018 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 test.tuples
import kotlin.test.*
class PairTest {
val p = Pair(1, "a")
@Test fun pairFirstAndSecond() {
assertEquals(1, p.first)
assertEquals("a", p.second)
}
@Test fun pairMultiAssignment() {
val (a, b) = p
assertEquals(1, a)
assertEquals("a", b)
}
@Test fun pairToString() {
assertEquals("(1, a)", p.toString())
}
@Test fun pairEquals() {
assertEquals(Pair(1, "a"), p)
assertNotEquals(Pair(2, "a"), p)
assertNotEquals(Pair(1, "b"), p)
assertTrue(!p.equals(null))
assertNotEquals("", (p as Any))
}
@Test fun pairHashCode() {
assertEquals(Pair(1, "a").hashCode(), p.hashCode())
assertNotEquals(Pair(2, "a").hashCode(), p.hashCode())
assertNotEquals(0, Pair(null, "b").hashCode())
assertNotEquals(0, Pair("b", null).hashCode())
assertEquals(0, Pair(null, null).hashCode())
}
@Test fun pairHashSet() {
val s = hashSetOf(Pair(1, "a"), Pair(1, "b"), Pair(1, "a"))
assertEquals(2, s.size)
assertTrue(s.contains(p))
}
@Test fun pairToList() {
assertEquals(listOf(1, 2), (1 to 2).toList())
assertEquals(listOf(1, null), (1 to null).toList())
assertEquals(listOf(1, "2"), (1 to "2").toList())
}
}
class TripleTest {
val t = Triple(1, "a", 0.07)
@Test fun tripleFirstAndSecond() {
assertEquals(1, t.first)
assertEquals("a", t.second)
assertEquals(0.07, t.third)
}
@Test fun tripleMultiAssignment() {
val (a, b, c) = t
assertEquals(1, a)
assertEquals("a", b)
assertEquals(0.07, c)
}
@Test fun tripleToString() {
assertEquals("(1, a, 0.07)", t.toString())
}
@Test fun tripleEquals() {
assertEquals(Triple(1, "a", 0.07), t)
assertNotEquals(Triple(2, "a", 0.07), t)
assertNotEquals(Triple(1, "b", 0.07), t)
assertNotEquals(Triple(1, "a", 0.1), t)
assertTrue(!t.equals(null))
assertNotEquals("", (t as Any))
}
@Test fun tripleHashCode() {
assertEquals(Triple(1, "a", 0.07).hashCode(), t.hashCode())
assertNotEquals(Triple(2, "a", 0.07).hashCode(), t.hashCode())
assertNotEquals(0, Triple(null, "b", 0.07).hashCode())
assertNotEquals(0, Triple("b", null, 0.07).hashCode())
assertNotEquals(0, Triple("b", 1, null).hashCode())
assertEquals(0, Triple(null, null, null).hashCode())
}
@Test fun tripleHashSet() {
val s = hashSetOf(Triple(1, "a", 0.07), Triple(1, "b", 0.07), Triple(1, "a", 0.07))
assertEquals(2, s.size)
assertTrue(s.contains(t))
}
@Test fun tripleToList() {
assertEquals(listOf(1, 2, 3), (Triple(1, 2, 3)).toList())
assertEquals(listOf(1, null, 3), (Triple(1, null, 3)).toList())
assertEquals(listOf(1, 2, "3"), (Triple(1, 2, "3")).toList())
}
}
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