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How to use test method of io.kotest.matchers.doubles.Negative class

Best Kotest code snippet using io.kotest.matchers.doubles.Negative.test

DoubleMatchersTest.kt

Source:DoubleMatchersTest.kt

1package com.sksamuel.kotest.matchers.doubles2import io.kotest.assertions.shouldFail3import io.kotest.assertions.throwables.shouldThrow4import io.kotest.core.spec.style.FreeSpec5import io.kotest.matchers.doubles.beGreaterThan6import io.kotest.matchers.doubles.beGreaterThanOrEqualTo7import io.kotest.matchers.doubles.beLessThan8import io.kotest.matchers.doubles.beLessThanOrEqualTo9import io.kotest.matchers.doubles.beNaN10import io.kotest.matchers.doubles.beNegativeInfinity11import io.kotest.matchers.doubles.bePositiveInfinity12import io.kotest.matchers.doubles.between13import io.kotest.matchers.doubles.gt14import io.kotest.matchers.doubles.gte15import io.kotest.matchers.doubles.lt16import io.kotest.matchers.doubles.lte17import io.kotest.matchers.doubles.negative18import io.kotest.matchers.doubles.positive19import io.kotest.matchers.doubles.shouldBeBetween20import io.kotest.matchers.doubles.shouldBeGreaterThan21import io.kotest.matchers.doubles.shouldBeGreaterThanOrEqual22import io.kotest.matchers.doubles.shouldBeLessThan23import io.kotest.matchers.doubles.shouldBeLessThanOrEqual24import io.kotest.matchers.doubles.shouldBeMultipleOf25import io.kotest.matchers.doubles.shouldBeNaN26import io.kotest.matchers.doubles.shouldBeNegative27import io.kotest.matchers.doubles.shouldBeNegativeInfinity28import io.kotest.matchers.doubles.shouldBePositive29import io.kotest.matchers.doubles.shouldBePositiveInfinity30import io.kotest.matchers.doubles.shouldBeZero31import io.kotest.matchers.doubles.shouldNotBeBetween32import io.kotest.matchers.doubles.shouldNotBeGreaterThan33import io.kotest.matchers.doubles.shouldNotBeGreaterThanOrEqual34import io.kotest.matchers.doubles.shouldNotBeLessThan35import io.kotest.matchers.doubles.shouldNotBeLessThanOrEqual36import io.kotest.matchers.doubles.shouldNotBeNaN37import io.kotest.matchers.doubles.shouldNotBeNegative38import io.kotest.matchers.doubles.shouldNotBeNegativeInfinity39import io.kotest.matchers.doubles.shouldNotBePositive40import io.kotest.matchers.doubles.shouldNotBePositiveInfinity41import io.kotest.matchers.doubles.shouldNotBeZero42import io.kotest.matchers.should43import io.kotest.matchers.shouldBe44import io.kotest.matchers.shouldNot45import io.kotest.matchers.shouldNotBe46import io.kotest.property.arbitrary.filterNot47import io.kotest.property.checkAll48import kotlin.Double.Companion.MAX_VALUE49import kotlin.Double.Companion.MIN_VALUE50import kotlin.Double.Companion.NEGATIVE_INFINITY51import kotlin.Double.Companion.NaN52import kotlin.Double.Companion.POSITIVE_INFINITY53import kotlin.math.absoluteValue54class DoubleMatchersTest : FreeSpec() {55  init {56    "Between matcher" - {57      "Every numeric double that is not Double.MAX_VALUE" - {58        "Should match between" - {59          "When it's equal to the first number of the range" - {60            "With tolerance" {61              checkAll(100, nonMinNorMaxValueDoubles) {...

IntersectionSpec.kt

Source:IntersectionSpec.kt

1package test.model2import io.kotest.core.spec.style.FunSpec3import io.kotest.data.forAll4import io.kotest.data.headers5import io.kotest.data.row6import io.kotest.data.table7import io.kotest.matchers.booleans.shouldBeFalse8import io.kotest.matchers.booleans.shouldBeTrue9import io.kotest.matchers.doubles.shouldBeGreaterThan10import io.kotest.matchers.doubles.shouldBeLessThan11import io.kotest.matchers.shouldBe12import krater.geometry.*13import krater.model.*14import krater.model.shapes.Plane15import krater.model.shapes.Sphere16import krater.model.shapes.Triangle17import kotlin.math.sqrt18class IntersectionSpec : FunSpec({19    val root2by2 = sqrt(2.0) / 2.020    val glassSphere = Sphere(material = Material(transparency = 1.0, refractiveIndex = 1.5))21    test("An intersection encapsulates t and object") {22        val s = Sphere()23        val i = Intersection(3.5, s)24        i.t.shouldBe(3.5)25        i.shape.shouldBe(s)26    }27    test("The hit when all intersections have positive t") {28        val s = Sphere()29        val i1 = Intersection(1.0, s)30        val i2 = Intersection(2.0, s)31        val xs = listOf(i1, i2)32        val i = xs.hit()33        i.shouldBe(i1)34    }35    test("The hit when some intersections have negative t") {36        val s = Sphere()37        val i1 = Intersection(-1.0, s)38        val i2 = Intersection(1.0, s)39        val xs = listOf(i1, i2)40        val i = xs.hit()41        i.shouldBe(i2)42    }43    test("The hit when all intersections have negative t") {44        val s = Sphere()45        val i1 = Intersection(-2.0, s)46        val i2 = Intersection(-1.0, s)47        val xs = listOf(i1, i2)48        val i = xs.hit()49        i.shouldBe(NO_INTERSECTION)50    }51    test("The hit is always the lowest non-negative intersection") {52        val s = Sphere()53        val i1 = Intersection(5.0, s)54        val i2 = Intersection(7.0, s)55        val i3 = Intersection(-3.0, s)56        val i4 = Intersection(2.0, s)57        val xs = listOf(i1, i2, i3, i4)58        val i = xs.hit()59        i.shouldBe(i4)60    }61    test("Pre-computing the state of an intersection") {62        val r = Ray(point(0, 0, -5), vector(0, 0, 1))63        val shape = Sphere()64        val i = Intersection(4.0, shape)65        val comps = PreparedComputation(i, r)66        comps.intersection.shouldBe(i)67        comps.point.shouldBe(point(0, 0, -1))68        comps.eyev.shouldBe(vector(0, 0, -1))69        comps.normalv.shouldBe(vector(0, 0, -1))70    }71    test("The hit, when an intersection occurs on the outside") {72        val r = Ray(point(0, 0, -5), vector(0, 0, 1))73        val shape = Sphere()74        val i = Intersection(4.0, shape)75        val comps = PreparedComputation(i, r)76        comps.inside.shouldBeFalse()77    }78    test("The hit, when an intersection occurs on the inside") {79        val r = Ray(point(0, 0, 0), vector(0, 0, 1))80        val shape = Sphere()81        val i = Intersection(1.0, shape)82        val comps = PreparedComputation(i, r)83        comps.point.shouldBe(point(0, 0, 1))84        comps.eyev.shouldBe(vector(0, 0, -1))85        comps.inside.shouldBeTrue()86        comps.normalv.shouldBe(vector(0, 0, -1))87    }88    test("Recomputing the reflection vector") {89        val shape = Plane()90        val r = Ray(point(0, 1, -1), vector(0, -root2by2, root2by2))91        val i = Intersection(sqrt(2.0), shape)92        val comps = PreparedComputation(i, r)93        comps.reflectv.shouldBe(vector(0, root2by2, root2by2))94    }95    test("Finding n1 and n2 at various intersections") {96        table(97            headers("index", "n1", "n2"),98            row(0, 1.0, 1.5),99            row(1, 1.5, 2.0),100            row(2, 2.0, 2.5),101            row(3, 2.5, 2.5),102            row(4, 2.5, 1.5),103            row(5, 1.5, 1.0),104        ).forAll { index, n1, n2 ->105            val a = Sphere(106                material = Material(transparency = 1.0, refractiveIndex = 1.5),107                transform = scaling(2, 2, 2)108            )109            val b = Sphere(110                material = Material(transparency = 1.0, refractiveIndex = 2.0),111                transform = translation(0, 0, -0.25)112            )113            val c = Sphere(114                material = Material(transparency = 1.0, refractiveIndex = 2.5),115                transform = translation(0, 0, 0.25)116            )117            val r = Ray(point(0, 0, -4), vector(0, 0, 1))118            val xs = listOf(119                Intersection(2.0, a),120                Intersection(2.75, b),121                Intersection(3.25, c),122                Intersection(4.75, b),123                Intersection(5.25, c),124                Intersection(6.0, a),125            )126            val comps = PreparedComputation(xs[index], r, xs)127            comps.n1.shouldBe(n1)128            comps.n2.shouldBe(n2)129        }130    }131    test("The under point is offset below the surface") {132        val r = Ray(point(0, 0, -5), vector(0, 0, 1))133        val shape = Sphere(material = Material(transparency = 1.0, refractiveIndex = 1.5), transform = translation(0, 0, 1))134        val i = Intersection(5.0, shape)135        val xs = listOf(i)136        val comps = PreparedComputation(i, r, xs)137        comps.underPoint.z.shouldBeGreaterThan(EPSILON / 2)138        comps.point.z.shouldBeLessThan(comps.underPoint.z)139    }140    test("The Schlick approximation under total internal reflection") {141        val shape = glassSphere142        val r = Ray(point(0, 0, root2by2), vector(0, 1, 0))143        val xs = listOf(Intersection(-root2by2, shape), Intersection(root2by2, shape))144        val comps = PreparedComputation(xs[1], r, xs)145        comps.schlickReflectance.shouldBe(1.0)146    }147    test("The Schlick approximation with a perpendicular viewing angle") {148        val shape = glassSphere149        val r = Ray(point(0, 0, 0), vector(0, 1, 0))150        val xs = listOf(Intersection(-1.0, shape), Intersection(1.0, shape))151        val comps = PreparedComputation(xs[1], r, xs)152        comps.schlickReflectance.near(0.04)shouldBe(true)153    }154    test("The Schlick approximation with small angle and n2 > n1") {155        val shape = glassSphere156        val r = Ray(point(0, 0.99, -2), vector(0, 0, 1))157        val xs = listOf(Intersection(1.8589, shape))158        val comps = PreparedComputation(xs[0], r, xs)159        comps.schlickReflectance.near(0.48873).shouldBe(true)160    }161    test("An intersection can encapsulate u and v") {162        val s = Triangle(point(0, 1, 0), point(-1, 0, 0), point(1, 0, 0))163        val i = Intersection(3.5, s, u = 0.2, v = 0.4)164        i.u.shouldBe(0.2)165        i.v.shouldBe(0.4)166    }167})...

DoubleExactlyTest.kt

Source:DoubleExactlyTest.kt

1package com.sksamuel.kotest.matchers.doubles2import io.kotest.assertions.throwables.shouldThrow3import io.kotest.core.spec.style.FreeSpec4import io.kotest.matchers.doubles.exactly5import io.kotest.matchers.doubles.shouldBeExactly6import io.kotest.matchers.doubles.shouldNotBeExactly7import io.kotest.matchers.shouldBe8import io.kotest.matchers.shouldNotBe9import io.kotest.property.checkAll10class DoubleExactlyTest : FreeSpec() {11   init {12      "for every numeric Double" - {13         "Should be exactly itself" {14            checkAll(100, numericDoubles) {15               it shouldExactlyMatch it16            }17         }18         "Should not be exactly" - {19            "Any number smaller than itself" {20               checkAll(100, nonMinNorMaxValueDoubles) {21                  it shouldNotMatchExactly it.slightlySmaller()22               }23            }...

DoubleToleranceTest.kt

Source:DoubleToleranceTest.kt

1package com.sksamuel.kotest.matchers.doubles2import io.kotest.assertions.throwables.shouldThrow3import io.kotest.assertions.throwables.shouldThrowAny4import io.kotest.core.spec.style.FunSpec5import io.kotest.matchers.doubles.percent6import io.kotest.matchers.doubles.plusOrMinus7import io.kotest.matchers.doubles.shouldBeWithinPercentageOf8import io.kotest.matchers.shouldBe9import io.kotest.matchers.shouldNotBe10import io.kotest.property.Arb11import io.kotest.property.arbitrary.bind12import io.kotest.property.arbitrary.double13import io.kotest.property.arbitrary.numericDouble14import io.kotest.property.checkAll15class DoubleToleranceTest : FunSpec({16   test("double with tolerance should include tolerance in error message") {17      shouldThrowAny {18         1.0 shouldBe (1.5 plusOrMinus 0.4)19      }.message shouldBe "1.0 should be equal to 1.5 within tolerance of 0.4 (lowest acceptable value is 1.1; highest acceptable value is 1.9)"20   }21   test("infinite double with finite tolerance should equal the same infinite double") {22      checkAll(Arb.numericDouble(min = 0.0)) { eps ->23         Double.NEGATIVE_INFINITY shouldBe (Double.NEGATIVE_INFINITY plusOrMinus eps)24         Double.POSITIVE_INFINITY shouldBe (Double.POSITIVE_INFINITY plusOrMinus eps)25      }26   }27   test("Allow for percentage tolerance") {28      1.5 shouldBe (1.0 plusOrMinus 50.percent)29      1.5 shouldNotBe (2.0 plusOrMinus 10.percent)30   }31   context("Percentage") {32      test("Match equal numbers") {33         Arb.bind(Arb.double(), Arb.double(0.0, 5.0)) { value, percentage ->34            value.shouldBeWithinPercentageOf(value, percentage)35         }36      }37      test("Refuse negative percentage") {38         shouldThrow<IllegalArgumentException> {39            1.0.shouldBeWithinPercentageOf(1.0, -0.1)40         }41      }42      test("Match close enough numbers") {43         Arb.bind(Arb.double(), Arb.double(0.0, 5.0)) { value, percentage ->44            value.shouldBeWithinPercentageOf((value - value.times(percentage / 100)), percentage)45            value.shouldBeWithinPercentageOf((value + value.times(percentage / 100)), percentage)46         }47      }48   }49})...

BLEDistanceUnscentedKalmanFilterTest.kt

Source:BLEDistanceUnscentedKalmanFilterTest.kt

1package uk.nhs.riskscore.internal2import io.kotest.core.spec.style.StringSpec3import io.kotest.matchers.booleans.shouldBeTrue4import io.kotest.matchers.doubles.shouldBeGreaterThanOrEqual5import io.kotest.matchers.ints.shouldBeExactly6import io.kotest.property.arbitrary.orNull7import io.kotest.property.checkAll8import uk.nhs.riskscore.internal.kotest.bleDistanceUnscentedKalmanFilter9import uk.nhs.riskscore.internal.kotest.nonEmptyList10import uk.nhs.riskscore.internal.kotest.smallNumericDoubles11import uk.nhs.riskscore.internal.kotest.smallPositiveDoubles12internal class BLEDistanceUnscentedKalmanFilterTest : StringSpec({13    "transition function is non-negative" {14        checkAll(15            smallNumericDoubles,16            smallNumericDoubles,17            bleDistanceUnscentedKalmanFilter) { state, noise, filter ->18            val result = filter.transitionFunction(state, noise)19            result shouldBeGreaterThanOrEqual 0.020        }21    }22    "smooth function returns the same number of elements as the input" {23        checkAll(24            100,25            bleDistanceUnscentedKalmanFilter,...

BmiEnglishUnitsTest.kt

Source:BmiEnglishUnitsTest.kt

1package pl.mprzymus.bmi.bmi_count2import io.kotest.assertions.throwables.shouldThrow3import io.kotest.core.spec.style.FunSpec4import io.kotest.matchers.doubles.plusOrMinus5import io.kotest.matchers.shouldBe6class BmiEnglishUnitsTest : FunSpec({7    val tested = BmiEnglishUnits()8    test("should count BMI properly with good input") {9        tested.countBmi(85.0, 200.0) shouldBe (19.55 plusOrMinus 0.1)10    }11    test("BMI should be 0 when weight is 0") {12        tested.countBmi(180.0, 0.0) shouldBe 0.013    }14    test("should return infinity when height is 0") {15        tested.countBmi(0.0, 70.0) shouldBe Double.POSITIVE_INFINITY16    }17    test("should throw when get negative height") {18        shouldThrow <IllegalArgumentException> { tested.countBmi(-1.0, 10.0) }19    }20})...

BmiMetricTest.kt

Source:BmiMetricTest.kt

1package pl.mprzymus.bmi.bmi_count2import io.kotest.assertions.throwables.shouldThrow3import io.kotest.core.spec.style.FunSpec4import io.kotest.matchers.doubles.plusOrMinus5import io.kotest.matchers.shouldBe6class BmiMetricTest : FunSpec({7    val tested = BmiMetric()8    test("should count BMI properly with good input") {9        tested.countBmi(180.0, 70.0) shouldBe (21.55 plusOrMinus 0.1)10    }11    test("BMI should be 0 when weight is 0") {12        tested.countBmi(180.0, 0.0) shouldBe 0.013    }14    test("should return infinity when height is 0") {15        tested.countBmi(0.0, 70.0) shouldBe Double.POSITIVE_INFINITY16    }17    test("should throw when get negative height") {18        shouldThrow <IllegalArgumentException> { tested.countBmi(-1.0, 10.0) }19    }20})...

SquareTest.kt

Source:SquareTest.kt

1package com.sksamuel.kotest.example.allure2import io.kotest.core.spec.style.FunSpec3import io.kotest.matchers.doubles.shouldBeExactly4import kotlin.math.pow5class SquareTest : FunSpec({6   test("positive square") {7      2.0.pow(2.0) shouldBeExactly 4.08      4.0.pow(2.0) shouldBeExactly 16.09      9.0.pow(2.0) shouldBeExactly 81.010   }11   test("negative square") {12      (-2.0).pow(2.0) shouldBeExactly 4.013      (-4.0).pow(2.0) shouldBeExactly 16.014      (-9.0).pow(2.0) shouldBeExactly 81.015   }16})...

test

Using AI Code Generation

1import io.kotest.matchers.doubles.Negative2import io.kotest.matchers.doubles.Positive3import io.kotest.matchers.doubles.shouldBeGreaterThan4import io.kotest.matchers.doubles.shouldBeGreaterThanOrEqual5import io.kotest.matchers.doubles.shouldBeLessThan6import io.kotest.matchers.doubles.shouldBeLessThanOrEqual7import io.kotest.matchers.doubles.shouldBeNegative8import io.kotest.matchers.doubles.shouldBePositive9import io.kotest.matchers.doubles.shouldBeZero10import io.kotest.matchers.doubles.shouldBeZeroOrNegative11import io.kotest.matchers.doubles.shouldBeZeroOrPositive12import io.kotest.matchers.doubles.shouldBeZeroOrNegative13import io.kotest.matchers.doubles.shouldBeZeroOrPositive14import io.kotest.matchers.doubles.shouldNotBeNegative15import io.kotest.matchers.doubles.shouldNotBe

test

Using AI Code Generation

1class NegativeTest : DescribeSpec({2})3context("test context") {4}5It("test case") {6}7config(TestConfig(invocations = 5))8should("test case") {9}10config(TestConfig(invocations = 5))11should() method is used to define the test

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