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Add Tuples test coverage (#3143)
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@pimfm
pimfm authored Oct 18, 2023
1 parent 68938d3 commit e2be719
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247 changes: 247 additions & 0 deletions arrow-libs/core/arrow-core/src/commonTest/kotlin/arrow/core/TupleTest.kt
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package arrow.core

import io.kotest.core.spec.style.StringSpec
import io.kotest.matchers.shouldBe
import io.kotest.property.Arb
import io.kotest.property.arbitrary.boolean
import io.kotest.property.arbitrary.char
import io.kotest.property.arbitrary.double
import io.kotest.property.arbitrary.int
import io.kotest.property.arbitrary.list
import io.kotest.property.arbitrary.long
import io.kotest.property.arbitrary.pair
import io.kotest.property.arbitrary.string
import io.kotest.property.checkAll

class TupleTest : StringSpec({

"shortToString" {
checkAll(
Arb.int(),
Arb.int(),
Arb.int(),
Arb.int(),
Arb.int(),
Arb.int(),
Arb.int(),
Arb.int(),
Arb.int()
) { a, b, c, d, e, f, g, h, i ->
Tuple4(a, b, c, d).toString() shouldBe "($a, $b, $c, $d)"
Tuple5(a, b, c, d, e).toString() shouldBe "($a, $b, $c, $d, $e)"
Tuple6(a, b, c, d, e, f).toString() shouldBe "($a, $b, $c, $d, $e, $f)"
Tuple7(a, b, c, d, e, f, g).toString() shouldBe "($a, $b, $c, $d, $e, $f, $g)"
Tuple8(a, b, c, d, e, f, g, h).toString() shouldBe "($a, $b, $c, $d, $e, $f, $g, $h)"
Tuple9(a, b, c, d, e, f, g, h, i).toString() shouldBe "($a, $b, $c, $d, $e, $f, $g, $h, $i)"
}
}

"plus" {
checkAll(
Arb.int(),
Arb.int(),
Arb.int(),
Arb.int(),
Arb.int(),
Arb.int(),
Arb.int(),
Arb.int(),
Arb.int()
) { a, b, c, d, e, f, g, h, i ->
Pair(a, b) + c shouldBe Triple(a, b, c)
Triple(a, b, c) + d shouldBe Tuple4(a, b, c, d)
Tuple4(a, b, c, d) + e shouldBe Tuple5(a, b, c, d, e)
Tuple5(a, b, c, d, e) + f shouldBe Tuple6(a, b, c, d, e, f)
Tuple6(a, b, c, d, e, f) + g shouldBe Tuple7(a, b, c, d, e, f, g)
Tuple7(a, b, c, d, e, f, g) + h shouldBe Tuple8(a, b, c, d, e, f, g, h)
Tuple8(a, b, c, d, e, f, g, h) + i shouldBe Tuple9(a, b, c, d, e, f, g, h, i)
}
}

"compareTo(equals)" {
checkAll(
Arb.int(),
Arb.string(),
Arb.double(),
Arb.int(),
Arb.boolean(),
Arb.int(),
Arb.char(),
Arb.int(),
Arb.long()
) { a, b, c, d, e, f, g, h, i ->
Pair(a, b).compareTo(Pair(a, b)) shouldBe 0
Triple(a, b, c).compareTo(Triple(a, b, c)) shouldBe 0
Tuple4(a, b, c, d).compareTo(Tuple4(a, b, c, d)) shouldBe 0
Tuple5(a, b, c, d, e).compareTo(Tuple5(a, b, c, d, e)) shouldBe 0
Tuple6(a, b, c, d, e, f).compareTo(Tuple6(a, b, c, d, e, f)) shouldBe 0
Tuple7(a, b, c, d, e, f, g).compareTo(Tuple7(a, b, c, d, e, f, g)) shouldBe 0
Tuple8(a, b, c, d, e, f, g, h).compareTo(Tuple8(a, b, c, d, e, f, g, h)) shouldBe 0
Tuple9(a, b, c, d, e, f, g, h, i).compareTo(Tuple9(a, b, c, d, e, f, g, h, i)) shouldBe 0
}
}

"compareTo(not equals)" {
checkAll(
Arb.intOpenEnded(),
Arb.intOpenEnded(),
Arb.intOpenEnded(),
Arb.intOpenEnded(),
Arb.intOpenEnded(),
Arb.intOpenEnded(),
Arb.intOpenEnded(),
Arb.intOpenEnded(),
Arb.intOpenEnded()
) { a, b, c, d, e, f, g, h, i ->
Pair(a, b).compareTo(Pair(a + 1, b)) shouldBe -1
Triple(a, b, c).compareTo(Triple(a + 1, b, c)) shouldBe -1
Tuple4(a, b, c, d).compareTo(Tuple4(a - 1, b, c, d)) shouldBe 1
Tuple5(a, b, c, d, e).compareTo(Tuple5(a - 1, b, c, d, e)) shouldBe 1
Tuple6(a, b, c, d, e, f).compareTo(Tuple6(a - 1, b, c, d, e, f)) shouldBe 1
Tuple7(a, b, c, d, e, f, g).compareTo(Tuple7(a - 1, b, c, d, e, f, g)) shouldBe 1
Tuple8(a, b, c, d, e, f, g, h).compareTo(Tuple8(a + 1, b, c, d, e, f, g, h)) shouldBe -1
Tuple9(a, b, c, d, e, f, g, h, i).compareTo(Tuple9(a + 1, b, c, d, e, f, g, h, i)) shouldBe -1
}
}

"compareTo(deep not equals)" {
checkAll(
Arb.intOpenEnded(),
Arb.intOpenEnded(),
Arb.intOpenEnded(),
Arb.intOpenEnded(),
Arb.intOpenEnded(),
Arb.intOpenEnded(),
Arb.intOpenEnded(),
Arb.intOpenEnded(),
Arb.intOpenEnded()
) { a, b, c, d, e, f, g, h, i ->
Pair(a, b).compareTo(Pair(a, b + 1)) shouldBe -1

Triple(a, b, c).compareTo(Triple(a, b + 1, c)) shouldBe -1
Triple(a, b, c).compareTo(Triple(a, b, c + 1)) shouldBe -1

Tuple4(a, b, c, d).compareTo(Tuple4(a, b + 1, c, d)) shouldBe -1
Tuple4(a, b, c, d).compareTo(Tuple4(a, b, c + 1, d)) shouldBe -1
Tuple4(a, b, c, d).compareTo(Tuple4(a, b, c, d + 1)) shouldBe -1

Tuple5(a, b, c, d, e).compareTo(Tuple5(a, b + 1, c, d, e)) shouldBe -1
Tuple5(a, b, c, d, e).compareTo(Tuple5(a, b, c + 1, d, e)) shouldBe -1
Tuple5(a, b, c, d, e).compareTo(Tuple5(a, b, c, d + 1, e)) shouldBe -1
Tuple5(a, b, c, d, e).compareTo(Tuple5(a, b, c, d, e + 1)) shouldBe -1

Tuple6(a, b, c, d, e, f).compareTo(Tuple6(a, b + 1, c, d, e, f)) shouldBe -1
Tuple6(a, b, c, d, e, f).compareTo(Tuple6(a, b, c + 1, d, e, f)) shouldBe -1
Tuple6(a, b, c, d, e, f).compareTo(Tuple6(a, b, c, d + 1, e, f)) shouldBe -1
Tuple6(a, b, c, d, e, f).compareTo(Tuple6(a, b, c, d, e + 1, f)) shouldBe -1
Tuple6(a, b, c, d, e, f).compareTo(Tuple6(a, b, c, d, e, f + 1)) shouldBe -1

Tuple7(a, b, c, d, e, f, g).compareTo(Tuple7(a, b + 1, c, d, e, f, g)) shouldBe -1
Tuple7(a, b, c, d, e, f, g).compareTo(Tuple7(a, b, c + 1, d, e, f, g)) shouldBe -1
Tuple7(a, b, c, d, e, f, g).compareTo(Tuple7(a, b, c, d + 1, e, f, g)) shouldBe -1
Tuple7(a, b, c, d, e, f, g).compareTo(Tuple7(a, b, c, d, e + 1, f, g)) shouldBe -1
Tuple7(a, b, c, d, e, f, g).compareTo(Tuple7(a, b, c, d, e, f + 1, g)) shouldBe -1
Tuple7(a, b, c, d, e, f, g).compareTo(Tuple7(a, b, c, d, e, f, g + 1)) shouldBe -1

Tuple8(a, b, c, d, e, f, g, h).compareTo(Tuple8(a, b + 1, c, d, e, f, g, h)) shouldBe -1
Tuple8(a, b, c, d, e, f, g, h).compareTo(Tuple8(a, b, c + 1, d, e, f, g, h)) shouldBe -1
Tuple8(a, b, c, d, e, f, g, h).compareTo(Tuple8(a, b, c, d + 1, e, f, g, h)) shouldBe -1
Tuple8(a, b, c, d, e, f, g, h).compareTo(Tuple8(a, b, c, d, e + 1, f, g, h)) shouldBe -1
Tuple8(a, b, c, d, e, f, g, h).compareTo(Tuple8(a, b, c, d, e, f + 1, g, h)) shouldBe -1
Tuple8(a, b, c, d, e, f, g, h).compareTo(Tuple8(a, b, c, d, e, f, g + 1, h)) shouldBe -1
Tuple8(a, b, c, d, e, f, g, h).compareTo(Tuple8(a, b, c, d, e, f, g, h + 1)) shouldBe -1

Tuple9(a, b, c, d, e, f, g, h, i).compareTo(Tuple9(a, b + 1, c, d, e, f, g, h, i)) shouldBe -1
Tuple9(a, b, c, d, e, f, g, h, i).compareTo(Tuple9(a, b, c + 1, d, e, f, g, h, i)) shouldBe -1
Tuple9(a, b, c, d, e, f, g, h, i).compareTo(Tuple9(a, b, c, d + 1, e, f, g, h, i)) shouldBe -1
Tuple9(a, b, c, d, e, f, g, h, i).compareTo(Tuple9(a, b, c, d, e + 1, f, g, h, i)) shouldBe -1
Tuple9(a, b, c, d, e, f, g, h, i).compareTo(Tuple9(a, b, c, d, e, f + 1, g, h, i)) shouldBe -1
Tuple9(a, b, c, d, e, f, g, h, i).compareTo(Tuple9(a, b, c, d, e, f, g + 1, h, i)) shouldBe -1
Tuple9(a, b, c, d, e, f, g, h, i).compareTo(Tuple9(a, b, c, d, e, f, g, h + 1, i)) shouldBe -1
Tuple9(a, b, c, d, e, f, g, h, i).compareTo(Tuple9(a, b, c, d, e, f, g, h, i + 1)) shouldBe -1
}
}

"toStringN" {
checkAll(
Arb.int(),
Arb.int(),
Arb.int(),
Arb.int(),
Arb.int(),
Arb.int(),
Arb.int(),
Arb.int(),
Arb.int(),
Arb.int()
) { a, b, c, d, e, f, g, h, i, j ->
Tuple10(a, b, c, d, e, f, g, h, i, j).toString() shouldBe "($a, $b, $c, $d, $e, $f, $g, $h, $i, $j)"
}
}

"plusN" {
checkAll(
Arb.list(Arb.int(), 4..4),
Arb.list(Arb.int(), 4..4),
Arb.list(Arb.int(), 4..4),
Arb.list(Arb.int(), 4..4),
Arb.list(Arb.int(), 4..4),
Arb.list(Arb.int(), 2..2),
) { (a, b, c, d), (e, f, g, h), (i, j, k, l), (m, n, o, p), (q, r, s, t), (u, v) ->
Tuple9(a, b, c, d, e, f, g, h, i) + j shouldBe Tuple10(a, b, c, d, e, f, g, h, i, j)
Tuple10(a, b, c, d, e, f, g, h, i, j) + k shouldBe Tuple11(a, b, c, d, e, f, g, h, i, j, k)
Tuple11(a, b, c, d, e, f, g, h, i, j, k) + l shouldBe Tuple12(a, b, c, d, e, f, g, h, i, j, k, l)
Tuple12(a, b, c, d, e, f, g, h, i, j, k, l) + m shouldBe Tuple13(a, b, c, d, e, f, g, h, i, j, k, l, m)
Tuple13(a, b, c, d, e, f, g, h, i, j, k, l, m) + n shouldBe Tuple14(a, b, c, d, e, f, g, h, i, j, k, l, m, n)
Tuple14(a, b, c, d, e, f, g, h, i, j, k, l, m, n) + o shouldBe Tuple15(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o)
Tuple15(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o) + p shouldBe Tuple16(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p)
Tuple16(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p) + q shouldBe Tuple17(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q)
Tuple17(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q) + r shouldBe Tuple18(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r)
Tuple18(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r) + s shouldBe Tuple19(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s)
Tuple19(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s) + t shouldBe Tuple20(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t)
Tuple20(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t) + u shouldBe Tuple21(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u)
Tuple21(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u) + v shouldBe Tuple22(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v)
}
}

"compareToN(equals)" {
checkAll(
Arb.list(Arb.int(), 4..4),
Arb.list(Arb.int(), 4..4),
Arb.list(Arb.int(), 2..2),
) { (a, b, c, d), (e, f, g, h), (i, j) ->
Tuple10(a, b, c, d, e, f, g, h, i, j).compareTo(Tuple10(a, b, c, d, e, f, g, h, i, j)) shouldBe 0
}
}

"compareToN(not equals)" {
checkAll(
Arb.list(Arb.intOpenEnded(), 4..4),
Arb.list(Arb.intOpenEnded(), 4..4),
Arb.list(Arb.intOpenEnded(), 2..2),
) { (a, b, c, d), (e, f, g, h), (i, j) ->
Tuple10(a, b, c, d, e, f, g, h, i, j).compareTo(Tuple10(a + 1, b, c, d, e, f, g, h, i, j)) shouldBe -1
Tuple10(a, b, c, d, e, f, g, h, i, j).compareTo(Tuple10(a - 1, b, c, d, e, f, g, h, i, j)) shouldBe 1
}
}

"compareToN(deep not equals)" {
checkAll(
Arb.list(Arb.intOpenEnded(), 4..4),
Arb.list(Arb.intOpenEnded(), 4..4),
Arb.list(Arb.intOpenEnded(), 2..2),
) { (a, b, c, d), (e, f, g, h), (i, j) ->
Tuple10(a, b, c, d, e, f, g, h, i, j).compareTo(Tuple10(a, b + 1, c, d, e, f, g, h, i, j)) shouldBe -1
Tuple10(a, b, c, d, e, f, g, h, i, j).compareTo(Tuple10(a, b, c + 1, d, e, f, g, h, i, j)) shouldBe -1
Tuple10(a, b, c, d, e, f, g, h, i, j).compareTo(Tuple10(a, b, c, d + 1, e, f, g, h, i, j)) shouldBe -1
Tuple10(a, b, c, d, e, f, g, h, i, j).compareTo(Tuple10(a, b, c, d, e + 1, f, g, h, i, j)) shouldBe -1
Tuple10(a, b, c, d, e, f, g, h, i, j).compareTo(Tuple10(a, b, c, d, e, f + 1, g, h, i, j)) shouldBe -1
Tuple10(a, b, c, d, e, f, g, h, i, j).compareTo(Tuple10(a, b, c, d, e, f, g + 1, h, i, j)) shouldBe -1
Tuple10(a, b, c, d, e, f, g, h, i, j).compareTo(Tuple10(a, b, c, d, e, f, g, h + 1, i, j)) shouldBe -1
Tuple10(a, b, c, d, e, f, g, h, i, j).compareTo(Tuple10(a, b, c, d, e, f, g, h, i + 1, j)) shouldBe -1
Tuple10(a, b, c, d, e, f, g, h, i, j).compareTo(Tuple10(a, b, c, d, e, f, g, h, i, j + 1)) shouldBe -1
}
}
})

private fun Arb.Companion.intOpenEnded() = Arb.int(Int.MIN_VALUE + 1, Int.MAX_VALUE - 1)

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