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How to use negative method of io.kotest.matchers.ints.int class

Best Kotest code snippet using io.kotest.matchers.ints.int.negative

MonomialTest.kt

Source:MonomialTest.kt

...21import io.kotest.matchers.collections.shouldBeUnique22import io.kotest.matchers.collections.shouldContainExactlyInAnyOrder23import io.kotest.matchers.shouldBe24import io.kotest.property.Arb25import io.kotest.property.arbitrary.negativeInts26import io.kotest.property.arbitrary.positiveInts27import io.kotest.property.checkAll28import io.kotest.property.exhaustive.exhaustive29val monomialTestTag = NamedTag("Monomial")30class MonomialTest : FreeSpec({31    tags(monomialTestTag)32    "indeterminate list with mixed degrees is not allowed" {33        checkAll(Arb.positiveInts(), Arb.negativeInts()) { positiveDegree, negativeDegree ->34            val indeterminateList = listOf(35                Indeterminate("x", positiveDegree),36                Indeterminate("y", negativeDegree)37            )38            shouldThrow<IllegalArgumentException> {39                FreeMonoid(indeterminateList)40            }41        }42    }43    "degree 0 is not allowed" {44        val indeterminateList = listOf(45            Indeterminate("x", 0)46        )47        shouldThrow<IllegalArgumentException> {48            FreeMonoid(indeterminateList)49        }50    }51    "positive degrees should be allowed" {52        val indeterminateList = listOf(53            Indeterminate("x", 1),54            Indeterminate("x", 2),55            Indeterminate("x", 3),56        )57        val monoid = FreeMonoid(indeterminateList)58        shouldNotThrowAny {59            monoid.listElements(0)60        }61    }62    "negative degrees should be allowed" {63        val indeterminateList = listOf(64            Indeterminate("x", -1),65            Indeterminate("x", -2),66            Indeterminate("x", -3),67        )68        val monoid = FreeMonoid(indeterminateList)69        shouldNotThrowAny {70            monoid.listElements(0)71        }72    }73    "two generators of even degrees" {74        val indeterminateList = listOf(75            Indeterminate("x", 2),76            Indeterminate("y", 2),77        )78        val monoid = FreeMonoid(indeterminateList)79        val gen = exhaustive(listOf(Pair(0, 1), Pair(1, 0), Pair(2, 2), Pair(3, 0), Pair(4, 3)))80        checkAll(gen) { (degree, size) ->81            monoid.listElements(degree).size shouldBe size82        }83    }84    "two generators of negative even degrees" {85        val indeterminateList = listOf(86            Indeterminate("x", -2),87            Indeterminate("y", -2),88        )89        val monoid = FreeMonoid(indeterminateList)90        val gen = exhaustive(listOf(Pair(0, 1), Pair(-1, 0), Pair(-2, 2), Pair(-3, 0), Pair(-4, 3)))91        checkAll(gen) { (degree, size) ->92            monoid.listElements(degree).size shouldBe size93        }94    }95    "two generators of odd degrees" {96        val indeterminateList = listOf(97            Indeterminate("x", 1),98            Indeterminate("y", 1),99        )100        val monoid = FreeMonoid(indeterminateList)101        val gen = exhaustive(listOf(Pair(0, 1), Pair(1, 2), Pair(2, 1), Pair(3, 0), Pair(4, 0)))102        checkAll(gen) { (degree, size) ->103            monoid.listElements(degree).size shouldBe size104        }105    }106    "two generators of negative odd degrees" {107        val indeterminateList = listOf(108            Indeterminate("x", -1),109            Indeterminate("y", -1),110        )111        val monoid = FreeMonoid(indeterminateList)112        val gen = exhaustive(listOf(Pair(0, 1), Pair(-1, 2), Pair(-2, 1), Pair(-3, 0), Pair(-4, 0)))113        checkAll(gen) { (degree, size) ->114            monoid.listElements(degree).size shouldBe size115        }116    }117    "polynomial algebra tensor exterior algebra" {118        val indeterminateList = listOf(119            Indeterminate("x", 1),120            Indeterminate("y", 2),121        )122        val monoid = FreeMonoid(indeterminateList)123        val gen = exhaustive(listOf(0, 1, 2, 3, 4))124        checkAll(gen) { degree ->125            monoid.listElements(degree).size shouldBe 1126        }127    }128    "listElements() should return the empty list for a negative degree if the generators are positive" {129        val indeterminateList = listOf(130            Indeterminate("x", 1),131            Indeterminate("y", 2),132        )133        val monoid = FreeMonoid(indeterminateList)134        checkAll(Arb.negativeInts()) { degree ->135            monoid.listElements(degree).isEmpty().shouldBeTrue()136        }137    }138    "listElements() should return the empty list for a positive degree if the generators are negative" {139        val indeterminateList = listOf(140            Indeterminate("x", -1),141            Indeterminate("y", -2),142        )143        val monoid = FreeMonoid(indeterminateList)144        checkAll(Arb.positiveInts()) { degree ->145            monoid.listElements(degree).isEmpty().shouldBeTrue()146        }147    }148    "listDegreesForAugmentedDegree() test" - {149        val degreeGroup = MultiDegreeGroup(150            listOf(151                DegreeIndeterminate("N", 1)152            )...

StringCalculatorKataPBTTest.kt

Source:StringCalculatorKataPBTTest.kt

...91            }92        }93    }94    context("step5") {95        test("should not accept negative integers") {96            Arb.negativeInts().checkAll { add("$it") shouldBe NegativeInteger(listOf(it)).left() }97            Arb.bind(98                Arb.negativeInts(),99                Arb.list(validValues),100                defaultDelimiters,101            ) { invalidValue, validValues, delimiter ->102                invalidValue to (validValues + invalidValue).shuffled().map{ it.toString()}.reduce { x,  y -> "$x$delimiter$y"}103            }.checkAll { (invalidValue, value) ->104                add(value) shouldBe NegativeInteger(listOf(invalidValue)).left()105            }106        }107        test("should accumulate all negative integers") {108            Arb.negativeInts().checkAll { add("$it") shouldBe NegativeInteger(listOf(it)).left() }109            Arb.bind(110                Arb.list(Arb.negativeInts(),1..100),111                Arb.list(validValues),112                defaultDelimiters,113            ) { invalidValues, validValues, delimiter ->114                invalidValues to (validValues + invalidValues).shuffled().map{ it.toString()}.reduce { x,  y -> "$x$delimiter$y"}115            }.checkAll { (invalidValues, value) ->116                // Should import kotest assert for arrow instead of forcing order117                add(value).mapLeft { NegativeInteger((it as NegativeInteger).values.sorted()) } shouldBe NegativeInteger(invalidValues.sorted()).left()118            }119        }120    }121    context("step6") {122        test("should skip values > 1000") {123            Arb.list(Arb.positiveInts(3000)).checkAll { values ->124                add(values.joinToString(defaultDelimiters.next())) shouldBe values.filter { it <= 1000 }.sum().right()...

PageInfoTests.kt

Source:PageInfoTests.kt

...6import io.kotest.matchers.ints.shouldBeLessThanOrEqual7import io.kotest.matchers.shouldBe8import io.kotest.property.Arb9import io.kotest.property.arbitrary.int10import io.kotest.property.arbitrary.negativeInts11import io.kotest.property.arbitrary.positiveInts12import io.kotest.property.checkAll13import kotlin.math.min14@Suppress("EmptyRange", "unused")15class PageInfoTests : StringSpec({16    "new page info should be empty" {17        with(PageInfo()) {18            range shouldBe 0..019            pages shouldBe 120            firstPage shouldBe true21            lastPage shouldBe true22        }23    }24    "using an illegal page size should result in an exception" {25        checkAll(Arb.int(Int.MIN_VALUE..0)) { pageSize ->26            shouldThrow<IllegalArgumentException> {27                PageInfo(pageSize = pageSize)28            }29        }30    }31    "using an illegal page should result in an exception" {32        checkAll(Arb.negativeInts()) { page ->33            shouldThrow<IllegalArgumentException> {34                PageInfo(page = page)35            }36        }37    }38    "using an illegal total should result in an exception" {39        checkAll(Arb.negativeInts()) { total ->40            shouldThrow<IllegalArgumentException> {41                PageInfo(total = total)42            }43        }44    }45    "using valid ranges and pages should work" {46        checkAll(Arb.positiveInts(), Arb.positiveInts()) { pageSize, total ->47            with(PageInfo(pageSize = pageSize, total = total)) {48                range.first shouldBeGreaterThanOrEqual 149                range.last shouldBeLessThanOrEqual total50                page shouldBeInRange (0 until pages)51                firstPage shouldBe (page == 0)52                lastPage shouldBe (page == pages - 1)53            }...

IntMatchersTest.kt

Source:IntMatchersTest.kt

...31         shouldThrow<AssertionError> {32            (0).shouldBePositive()33         }.message shouldBe "0 should be > 0"34      }35      "be negative" {36         (-1).shouldBeNegative()37         shouldThrow<AssertionError> {38            1.shouldBeNegative()39         }.message shouldBe "1 should be < 0"40         shouldThrow<AssertionError> {41            0.shouldBeNegative()42         }.message shouldBe "0 should be < 0"43      }44      "should return expected/actual in intellij format" {45         shouldThrow<AssertionError> {46            1 shouldBe 44447         }.message shouldBe "expected:<444> but was:<1>"48      }49      "shouldBe should support ints" {...

CountTest.kt

Source:CountTest.kt

...26        val result = Count.one()27        result.value shouldBe 128    }29    @Test30    fun `create count - negative value`() {31        val result = Count.from(-1)32        result shouldBeLeft NegativeValueError33    }34    @Test35    fun `increment - success`() {36        val count = count(1)37        val increment = count.increment()38        increment shouldBeRight count(count.value + 1)39    }40    @Test41    fun `increment - max value reached`() {42        val count = count(Int.MAX_VALUE)43        val result = count.increment()44        result shouldBeLeft MaxValueReachedError...

ShrinkingTests.kt

Source:ShrinkingTests.kt

1package test.kotest.propertyTest2import io.kotest.core.spec.style.FreeSpec3import io.kotest.matchers.ints.shouldBeGreaterThan4import io.kotest.matchers.shouldBe5import io.kotest.property.Arb6import io.kotest.property.Shrinker7import io.kotest.property.arbitrary.arbitrary8import io.kotest.property.arbitrary.nonNegativeInt9import io.kotest.property.arbitrary.positiveInt10import io.kotest.property.checkAll11/**12 * FreeSpec æ¯ææµè¯åµå¥13 */14class ShrinkingTests : FreeSpec({15    //å¤±è´¥ç¨ä¾ä¼èªå¨ç¼©å°èå´æ¾å°åå§å¤±è´¥ç¨ä¾16    //! bangç¬¦å·å¿½ç¥æµè¯ f: ä»è¿è¡æ è®°æµè¯å¿½ç¥å¶ä»æµè¯17    "!test default shrinking" - {18        Arb.positiveInt(20000).checkAll { i ->19            calculateProperty(i) shouldBe true20        }21    }22    //èªå®ä¹generatoræ²¡æå®ä¹shrinkerï¼éè¦èªå·±å®ä¹23    "!custom shrinker" - {24        "coordinate transformations" - {25            //æç´¢åä¸ªé»è¿çåæ ç¹26            val coordinateShrinker = Shrinker<Coordinate> { c ->27                listOf(Coordinate(c.x - 1, c.y))28                listOf(Coordinate(c.x, c.y - 1))29                listOf(Coordinate(c.x + 1, c.y))30                listOf(Coordinate(c.x, c.y + 1))31            }32            val coordinateArb = arbitrary(coordinateShrinker) {33                Coordinate(Arb.nonNegativeInt().bind(), Arb.nonNegativeInt().bind())34            }35            "coordinates are always be positive after transformation" {36                coordinateArb.checkAll {37                    transform(it).x shouldBeGreaterThan 038                    transform(it).y shouldBeGreaterThan 039                }40            }41        }42    }43})44fun calculateProperty(i: Int) = i <= 1800045data class Coordinate(val x: Int, val y: Int)46fun transform(coordinate: Coordinate) = Coordinate(coordinate.x - 1, coordinate.y - 1)...

MoneyIT.kt

Source:MoneyIT.kt

1package io.github.serpro69.kfaker.provider2import io.github.serpro69.kfaker.Faker3import io.kotest.assertions.assertSoftly4import io.kotest.core.spec.style.DescribeSpec5import io.kotest.matchers.ints.negative6import io.kotest.matchers.ints.shouldBeInRange7import io.kotest.matchers.shouldBe8import io.kotest.matchers.string.shouldStartWith9class MoneyIT : DescribeSpec({10    describe("Money provider class") {11        val money = Faker().money12        context("monetaryAmount function") {13            // TODO other locales14            it("should contain a currency symbol") {15                val amount = money.amount(0..99, generateDecimals = false)16                amount shouldStartWith "$"17            }18            repeat(99) {19                it("should return a valid amount within the specified range without decimals run#$it") {20                    val amount = money.amount(0..99, generateDecimals = false)21                        .replace("$", "")22                        .toInt()23                    amount shouldBeInRange 0..9924                }25            }26            repeat(99) {27                it("should return a valid amount within the specified range with decimals run#$it") {28                    val amount = money.amount(0..99, generateDecimals = true)29                        .replace("$", "")30                    val value = amount.dropLast(3).toInt()31                    val decimal = amount.takeLast(2).toInt()32                    assertSoftly {33                        value shouldBeInRange 0..9934                        decimal shouldBeInRange 0..9935                    }36                }37            }38            it("should return a negative amount") {39                val amount = money.amount(-99 until 0, generateDecimals = false)40                    .replace("$", "")41                    .toInt()42                amount shouldBe negative()43            }44        }45    }46})...

NonEmptyListTest.kt

Source:NonEmptyListTest.kt

...10import io.kotest.property.arrow.nonEmptyList11import io.kotest.property.checkAll12class NonEmptyListTest : FunSpec({13   test("Arb.nel should not allow range less than 0") {14      checkAll(Arb.negativeInts(), Arb.positiveInts()) { start, end ->15         shouldThrowMessage("start of range must not be less than 1") {16            Arb.nel(Arb.int(), start..end)17         }18      }19   }20   test("Arb.nel should not fail if generator arb has no edgecases") {21      Arb.nel(Arb.constant("a"), 1..5)22         .take(3, RandomSource.seeded(123123L))23         .toList() shouldContainExactly listOf(24         nonEmptyListOf("a", "a"),25         nonEmptyListOf("a", "a", "a", "a"),26         nonEmptyListOf("a", "a", "a", "a"),27      )28   }...

negative

Using AI Code Generation

1io.kotest.matchers.ints.shouldBeLessThan(0)2io.kotest.matchers.ints.shouldBeLessThanOrEqual(0)3io.kotest.matchers.ints.shouldBeInRange(0..0)4io.kotest.matchers.ints.shouldBePositive()5io.kotest.matchers.ints.shouldBePositiveInfinity()6io.kotest.matchers.ints.shouldBeZero()7io.kotest.matchers.ints.shouldBeZeroInfinity()8io.kotest.matchers.ints.shouldBeWithin(0, 0)9io.kotest.matchers.ints.shouldBeWithin(0, 0, 0)10io.kotest.matchers.ints.shouldNotBe(0)11io.kotest.matchers.ints.shouldNotBeBetween(0, 0)12io.kotest.matchers.ints.shouldNotBeBetween(0, 0, 0)13io.kotest.matchers.ints.shouldNotBeGreaterThanOrEqual(0)14io.kotest.matchers.ints.shouldNotBeGreaterThan(0)15io.kotest.matchers.ints.shouldNotBeInRange(0..0)

negative

Using AI Code Generation

1println("The number is negative : ${-1.isNegative()}")2println("The number is positive : ${1.isPositive()}")3println("The number is between 0 and 10 : ${1.shouldBeBetween(0, 10)}")4println("The number is greater than or equals to 1 : ${1.shouldBeGreaterOrEquals(1)}")5println("The number is greater than 0 : ${1.shouldBeGreater(0)}")6println("The number is less than or equals to 1 : ${1.shouldBeLessOrEquals(1)}")7println("The number is less than 2 : ${1.shouldBeLess(2)}")8println("The number is one of the given numbers : ${1.shouldBeOneOf(1, 2, 3)}")9println("The number is in the given range : ${1.shouldBeInRange(0..10)}")10println("The number is zero : ${0.shouldBeZero()}")

negative

Using AI Code Generation

1fun main() {2println(time)3}4fun main() {5println(time)6}7fun main() {8println(time)9}10fun main() {11println(time)12}13fun main() {14println(time)15}16fun main() {17println(time)18}19fun main() {20println(time)21}22fun main() {23println(time)24}25fun main() {26println(time)27}28fun main() {29println(time)30}

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