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

Best Kotest code snippet using io.kotest.matchers.doubles.NaN.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) {...

FixedBigRationalTest.kt

Source:FixedBigRationalTest.kt

...8import hm.binkley.math.fixed.FixedBigRational.Companion.ZERO9import hm.binkley.math.fixed.FixedBigRational.Companion.valueOf10import hm.binkley.math.floating.FloatingBigRational11import hm.binkley.math.rangeTo12import io.kotest.assertions.throwables.shouldThrow13import io.kotest.matchers.booleans.shouldBeFalse14import io.kotest.matchers.shouldBe15import io.kotest.matchers.shouldNotBe16import org.junit.jupiter.api.Nested17import org.junit.jupiter.api.Test18/**19 * NB -- the tests use a mixture of constructors while testing functionality.20 * This is intentional, and raises coverage.21 */22@Suppress("RedundantInnerClassModifier")23internal class FixedBigRationalTest {24    @Test25    fun `should not divide by 0 when constructing`() {26        shouldThrow<ArithmeticException> {27            (1 over 0)28        }29    }30    @Nested31    inner class ProgressionTests {32        @Test33        fun `should equate`() {...

TestMapping.kt

Source:TestMapping.kt

1package org.openrndr.math2import kotlin.math.absoluteValue3import io.kotest.matchers.doubles.between4import io.kotest.matchers.doubles.plusOrMinus5import io.kotest.matchers.shouldBe6import io.kotest.matchers.shouldNotBe7import org.openrndr.math.test.it8import org.openrndr.math.test.it as describe9import kotlin.test.Test10class TestMapping {11    @Test12    fun shouldDoMappingOperations() {13        describe("Mapping Double from zero-width before domain to non-zero-width after domain") {14            it("should not produce NaN results") {15                map(0.0, 0.0, 0.0, 1.0, 0.0) shouldBe (0.0 plusOrMinus 10E-6)16                map(0.0, 0.0, 0.0, 1.0, 1.0) shouldBe (1.0 plusOrMinus 10E-6)17            }18        }19        describe("Mapping Double from zero-width before domain to zero-width after domain") {20            it("should not produce NaN results") {21                map(0.0, 0.0, 0.0, 0.0, 0.0) shouldBe (0.0 plusOrMinus 10E-6)22                map(0.0, 0.0, 0.0, 0.0, 1.0) shouldBe (0.0 plusOrMinus 10E-6)23            }24        }25        describe("Mapping Double") {26            val beforeLeft = 0.027            val beforeRight = 1.028            val beforeVal = beforeRight * 2.0 // out of range29            val afterLeft = 0.030            val afterRight = beforeRight * 2.031            it("should not clamp") {32                map(33                    beforeLeft, beforeRight, afterLeft, afterRight, beforeVal34                ) shouldNotBe between(afterLeft, afterRight, 0.0)35            }36            it("should clamp") {37                map(38                    beforeLeft, beforeRight, afterLeft, afterRight, beforeVal, true39                ) shouldBe between(afterLeft, afterRight, 0.0)40            }41            it("should not clamp") {42                beforeVal.map(43                    beforeLeft, beforeRight, afterLeft, afterRight44                ) shouldNotBe between(afterLeft, afterRight, 0.0)45            }46            it("should clamp") {47                beforeVal.map(48                    beforeLeft, beforeRight, afterLeft, afterRight, true49                ) shouldBe between(afterLeft, afterRight, 0.0)50            }51        }52        describe("Mapping Vector2") {53            val beforeLeft = Vector2.ZERO54            val beforeRight = Vector2.ONE55            val beforeVal = beforeRight * 2.0 // out of range56            val afterLeft = Vector2.ZERO57            val afterRight = beforeRight * 2.058            it("should not clamp") {59                val mapped = beforeVal.map(beforeLeft, beforeRight,60                    afterLeft, afterRight)61                for (i in 0 until 2)62                    mapped[i] shouldNotBe between(afterLeft[i], afterRight[i], 0.0)63            }64            it("should clamp") {65                val mapped = beforeVal.map(beforeLeft, beforeRight,66                    afterLeft, afterRight, true)67                for (i in 0 until 2)68                    mapped[i] shouldBe between(afterLeft[i], afterRight[i], 0.0)69            }70        }71        describe("Mapping Vector3") {72            val beforeLeft = Vector3.ZERO73            val beforeRight = Vector3.ONE74            val beforeVal = beforeRight * 2.0 // out of range75            val afterLeft = Vector3.ZERO76            val afterRight = beforeRight * 2.077            it("should not clamp") {78                val mapped = beforeVal.map(beforeLeft, beforeRight,79                    afterLeft, afterRight)80                for (i in 0 until 3)81                    mapped[i] shouldNotBe between(afterLeft[i], afterRight[i], 0.0)82            }83            it("should clamp") {84                val mapped = beforeVal.map(beforeLeft, beforeRight,85                    afterLeft, afterRight, true)86                for (i in 0 until 3)87                    mapped[i] shouldBe between(afterLeft[i], afterRight[i], 0.0)88            }89        }90        describe("Mapping Vector4") {91            val beforeLeft = Vector4.ZERO92            val beforeRight = Vector4.ONE93            val beforeVal = beforeRight * 2.0 // out of range94            val afterLeft = Vector4.ZERO95            val afterRight = beforeRight * 2.096            it("should not clamp") {97                val mapped = beforeVal.map(beforeLeft, beforeRight,98                    afterLeft, afterRight)99                for (i in 0 until 4)100                    mapped[i] shouldNotBe between(afterLeft[i], afterRight[i], 0.0)101            }102            it("should clamp") {103                val mapped = beforeVal.map(beforeLeft, beforeRight,104                    afterLeft, afterRight, true)105                for (i in 0 until 4)106                    mapped[i] shouldBe between(afterLeft[i], afterRight[i], 0.0)107            }108        }109    }110    @Test111    fun shouldDoMixingOperations() {112        describe("Mixing double") {113            it("should produce expected result") {114                mix(1.0, 3.0, 0.5) shouldBe (2.0 plusOrMinus 10E-6)115                mix(3.0, 1.0, 0.5) shouldBe (2.0 plusOrMinus 10E-6)116            }117        }118        describe("Mixing angles") {119            it("should interpolate via shortest side") {120                mixAngle(5.0, 355.0, 0.5) shouldBe (0.0 plusOrMinus  10E-6)121                mixAngle(355.0, 5.0, 0.5) shouldBe (0.0 plusOrMinus  10E-6)122                mixAngle(-100.0, 100.0, 0.5).absoluteValue shouldBe (180.0 plusOrMinus  10E-6)123                mixAngle(100.0, -100.0, 0.5).absoluteValue shouldBe (180.0 plusOrMinus  10E-6)124            }125        }126    }127}...

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            }...

Tolerance.kt

Source:Tolerance.kt

1package io.kotest.matchers.doubles2import io.kotest.matchers.Matcher3import io.kotest.matchers.MatcherResult4import io.kotest.matchers.should5import io.kotest.matchers.shouldNot6import kotlin.math.abs7/**8 * Creates a matcher for the interval [[this] - [tolerance] , [this] + [tolerance]]9 *10 *11 * ```12 * 0.1 shouldBe (0.4 plusOrMinus 0.5)   // Assertion passes13 * 0.1 shouldBe (0.4 plusOrMinus 0.2)   // Assertion fails14 * ```15 */16infix fun Double.plusOrMinus(tolerance: Double): ToleranceMatcher {17   require(tolerance >= 0 && tolerance.isFinite())18   return ToleranceMatcher(this, tolerance)19}20val Number.percent get() = toDouble().percent21val Double.percent: Percentage22get() {23   require(this >= 0 && this.isFinite())24   return Percentage(this)25}26data class Percentage(val value: Double)27/**28 * Creates a matcher for the interval [[this] - [tolerance] , [this] + [tolerance]]29 *30 *31 * ```32 * 1.5 shouldBe (1.0 plusOrMinus 50.percent )   // Assertion passes33 * 1.5 shouldBe (1.0 plusOrMinus 10.percent)   // Assertion fails34 * ```35 */36infix fun Double.plusOrMinus(tolerance: Percentage): ToleranceMatcher {37   val realValue = this * tolerance.value / 10038   return ToleranceMatcher(this, realValue)39}40class ToleranceMatcher(private val expected: Double?, private val tolerance: Double) : Matcher<Double?> {41  override fun test(value: Double?): MatcherResult {42    return if (value == null || expected == null || expected.isInfinite()) {43       MatcherResult(44          value == expected,45          { "$value should be equal to $expected" },46          {47             "$value should not be equal to $expected"48          })49    } else if (expected.isNaN() && value.isNaN()) {50       println("[WARN] By design, Double.Nan != Double.Nan; see https://stackoverflow.com/questions/8819738/why-does-double-nan-double-nan-return-false/8819776#8819776")51       MatcherResult(52          false,53          { "By design, Double.Nan != Double.Nan; see https://stackoverflow.com/questions/8819738/why-does-double-nan-double-nan-return-false/8819776#8819776" },54          {55             "By design, Double.Nan != Double.Nan; see https://stackoverflow.com/questions/8819738/why-does-double-nan-double-nan-return-false/8819776#8819776"56          })57    } else {58       if (tolerance == 0.0)59          println("[WARN] When comparing doubles consider using tolerance, eg: a shouldBe (b plusOrMinus c)")60       val diff = abs(value - expected)61       val passed = diff <= tolerance62       val low = expected - tolerance63       val high = expected + tolerance64       val msg = when (tolerance) {65          0.0 -> "$value should be equal to $expected"66          else -> "$value should be equal to $expected within tolerance of $tolerance (lowest acceptable value is $low; highest acceptable value is $high)"67       }68       MatcherResult(69          passed,70          { msg },71          { "$value should not be equal to $expected" })72    }73  }74}75/**76 * Verifies that this double is within [percentage]% of [other]77 *78 * 90.0.shouldBeWithinPercentageOf(100.0, 10.0)  // Passes79 * 50.0.shouldBeWithinPercentageOf(100.0, 50.0)  // Passes80 * 30.0.shouldBeWithinPercentageOf(100.0, 10.0)  // Fail81 *82 */83fun Double.shouldBeWithinPercentageOf(other: Double, percentage: Double) {84   require(percentage > 0.0) { "Percentage must be > 0.0" }85   this should beWithinPercentageOf(other, percentage)86}87/**88 * Verifies that this double is NOT within [percentage]% of [other]89 *90 * 90.0.shouldNotBeWithinPercentageOf(100.0, 10.0)  // Fail91 * 50.0.shouldNotBeWithinPercentageOf(100.0, 50.0)  // Fail92 * 30.0.shouldNotBeWithinPercentageOf(100.0, 10.0)  // Passes93 *94 */95fun Double.shouldNotBeWithinPercentageOf(other: Double, percentage: Double) {96   require(percentage > 0.0) { "Percentage must be > 0.0" }97   this shouldNot beWithinPercentageOf(other, percentage)98}99fun beWithinPercentageOf(other: Double, percentage: Double) = object : Matcher<Double> {100   private val tolerance = other.times(percentage / 100)101   private val range = (other - tolerance)..(other + tolerance)102   override fun test(value: Double) = MatcherResult(103      value in range,104      { "$value should be in $range" },105      {106         "$value should not be in $range"107      })108}...

FloatNaNTest.kt

Source:FloatNaNTest.kt

1package com.sksamuel.kotest.matchers.floats2import com.sksamuel.kotest.matchers.doubles.numericFloats3import io.kotest.assertions.throwables.shouldThrow4import io.kotest.core.spec.style.FunSpec5import io.kotest.matchers.floats.beNaN6import io.kotest.matchers.floats.shouldBeNaN7import io.kotest.matchers.floats.shouldNotBeNaN8import io.kotest.matchers.should9import io.kotest.matchers.shouldBe10import io.kotest.matchers.shouldNot11import io.kotest.property.checkAll12class FloatNaNTest : FunSpec() {13   init {14      context("NaN matcher") {15         test("Every numeric float should not be NaN") {16            checkAll(100, numericFloats) {17               it.shouldNotMatchNaN()18            }19         }20         test("The non-numeric floats") {21            Float.NaN.shouldMatchNaN()22            Float.POSITIVE_INFINITY.shouldNotMatchNaN()23            Float.NEGATIVE_INFINITY.shouldNotMatchNaN()24         }25      }26   }27   private fun Float.shouldMatchNaN() {28      this should beNaN()29      this.shouldBeNaN()30      this.shouldThrowExceptionOnNotBeNaN()31   }32   private fun Float.shouldNotMatchNaN() {33      this shouldNot beNaN()34      this.shouldNotBeNaN()...

NaN.kt

Source:NaN.kt

1package io.kotest.matchers.doubles2import io.kotest.matchers.Matcher3import io.kotest.matchers.MatcherResult4import io.kotest.matchers.should5import io.kotest.matchers.shouldNot6/**7 * Asserts that this [Double] is [Double.NaN]8 *9 * Verifies that this [Double] is the Not-a-Number constant [Double.NaN]10 *11 * Opposite of [shouldNotBeNaN]12 *13 * ```14 * Double.NaN.shouldBeNaN()   // Assertion passes15 * 1.0.shouldBeNaN()          // Assertion fails16 * ```17 * @see [beNaN]18 */19fun Double.shouldBeNaN() = this should beNaN()20/**21 * Assert that this [Double] is not [Double.NaN]22 *23 * Verifies that this [Double] is NOT the Not-a-Number constant [Double.NaN]24 *25 * Opposite of [shouldBeNaN]26 *27 * ```28 * 1.0.shouldNotBeNaN()         // Assertion passes29 * Double.NaN.shouldNotBeNaN()  // Assertion fails30 * ```31 * @see [beNaN]32 */33fun Double.shouldNotBeNaN() = this shouldNot beNaN()34/**35 * Matcher that matches [Double.NaN]36 *37 * Verifies that a specific [Double] is the Not-a-Number constant [Double.NaN]38 *39 * ```40 *  0.5 should beNaN()            // Assertion fails41 *  Double.NaN should beNaN()     // Assertion passes42 * ```43 *44 * @see [Double.shouldBeNaN]45 * @see [Double.shouldNotBeNaN]46 */47fun beNaN() = object : Matcher<Double> {48  override fun test(value: Double) = MatcherResult(49    value.isNaN(),50    "$value should be NaN",51    "$value should not be NaN"52  )53}...

EpsilonTest.kt

Source:EpsilonTest.kt

...5 *  * Please check the file copyright.txt in the root of the source for further details.6 *7 */8package com.radixpro.enigma.libbe.astron9import io.kotest.matchers.doubles.plusOrMinus10import io.kotest.matchers.shouldBe11import org.junit.jupiter.api.Test12import swisseph.SwissEph13private const val margin = 0.0000000114internal class EpsilonTest {15    @Test16    fun `calculation of true obliquity shoud return correct result`() {17        val swissEph = SwissEph()18        val epsilon = Epsilon(swissEph)19        val jdUt = 2434406.817713       // 1953-1-29 UT 7:3720        val expected = 23.447072302721        epsilon.calcTrueEpsilon(jdUt).first shouldBe(expected plusOrMinus margin)22        epsilon.calcTrueEpsilon(jdUt).second shouldBe("")23    }24    @Test...

test

Using AI Code Generation

1+import io.kotest.matchers.doubles.NaN2+import io.kotest.matchers.doubles.isFinite3+import io.kotest.matchers.doubles.isInfinite4+import io.kotest.matchers.doubles.isNaN5+import io.kotest.matchers.doubles.isNegativeInfinity6+import io.kotest.matchers.doubles.isPositiveInfinity7+import io.kotest.matchers.doubles.isZero8+import io.kotest.matchers.doubles.shouldBeFinite9+import io.kotest.matchers.doubles.shouldBeInfinite10+import io.kotest.matchers.doubles.shouldBeNaN11+import io.kotest.matchers.doubles.shouldBeNegativeInfinity12+import io.kotest.matchers.doubles.shouldBePositiveInfinity13+import io.kotest.matchers.doubles.shouldBeZero14+import io.kotest.matchers.doubles.shouldNotBeFinite

test

Using AI Code Generation

1    fun `test method of io.kotest.matchers.doubles.NaN class`(){2    }3    fun `test method of io.kotest.matchers.doubles.NaN class`(){4    }5    fun `test method of io.kotest.matchers.doubles.NaN class`(){6    }7    fun `test method of io.kotest.matchers.doubles.NaN class`(){8    }9    fun `test method of io.kotest.matchers.doubles.NaN class`(){10    }11    fun `test method of io.kotest.matchers.doubles.NaN class`(){12    }13    fun `test method of io.kotest.matchers.doubles.NaN class`(){14    }15    fun `test method of io.kotest.matchers.doubles.NaN class`(){16    }17    fun `test method of io.kotest.matchers.doubles.NaN class`(){18    }

test

Using AI Code Generation

1        nan.test(0.0/0.0) shouldBe true2        nan.test(1.0) shouldBe false3    }4    fun testNaN2() {5        nan.test(0.0/0.0) shouldBe true6        nan.test(1.0) shouldBe false7    }8    fun testNaN3() {9        nan.test(0.0/0.0) shouldBe true10        nan.test(1.0) shouldBe false11    }12    fun testNaN4() {13        nan.test(0.0/0.0) shouldBe true14        nan.test(1.0) shouldBe false15    }16    fun testNaN5() {17        nan.test(0.0/0.0) shouldBe true18        nan.test(1.0) shouldBe false19    }20    fun testNaN6() {21        nan.test(0.0/0.0) shouldBe true22        nan.test(1.0) shouldBe false23    }24    fun testNaN7() {25        nan.test(0.0/0.0) shouldBe true26        nan.test(1.0) shouldBe false27    }28    fun testNaN8() {29        nan.test(0.0/0.0) shouldBe true30        nan.test(1.0) shouldBe false31    }32    fun testNaN9() {

test

Using AI Code Generation

1	fun testNaN() {2		(0.0 / 0.0).should(beNaN())3	}4	fun testIsFinite() {5		(0.0 / 0.0).shouldNot(beFinite())6	}7	fun testIsInfinite() {8		(0.0 / 0.0).should(beInfinite())9	}10	fun testIsPositiveInfinity() {11		(1.0 / 0.0).should(bePositiveInfinity())12	}13	fun testIsNegativeInfinity() {14		(-1.0 / 0.0).should(beNegativeInfinity())15	}16	fun testIsZero() {17		(0.0).should(beZero())18	}19	fun testIsNotZero() {20		(1.0).shouldNot(beZero())21	}22	fun testIsPositive() {23		(1.0).should(bePositive())24	}

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