How to use Float.shouldNotBeNaN method of io.kotest.matchers.floats.NaN class

Best Kotest code snippet using io.kotest.matchers.floats.NaN.Float.shouldNotBeNaN

FloatNaNTest.kt

Source: FloatNaNTest.kt Github

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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()35 this.shouldThrowExceptionOnBeNaN()36 }37 private fun Float.shouldThrowExceptionOnNotBeNaN() {38 shouldThrowAssertionError("$this should not be NaN",39 { this.shouldNotBeNaN() },40 { this shouldNot beNaN() })41 }42 private fun Float.shouldThrowExceptionOnBeNaN() {43 shouldThrowAssertionError("$this should be NaN",44 { this.shouldBeNaN() },45 { this should beNaN() })46 }47 private fun shouldThrowAssertionError(message: String, vararg expression: () -> Any?) {48 expression.forEach {49 val exception = shouldThrow<AssertionError>(it)50 exception.message shouldBe message51 }52 }53}...

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NaN.kt

Source: NaN.kt Github

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1package io.kotest.matchers.floats2import io.kotest.matchers.Matcher3import io.kotest.matchers.MatcherResult4import io.kotest.matchers.should5import io.kotest.matchers.shouldNot6/​**7 * Asserts that this [Float] is [Float.NaN]8 *9 * Verifies that this [Float] is the Not-a-Number constant [Float.NaN]10 *11 * Opposite of [shouldNotBeNaN]12 *13 * ```14 * Float.NaN.shouldBeNaN() /​/​ Assertion passes15 * 1f.shouldBeNaN() /​/​ Assertion fails16 * ```17 * @see [beNaN]18 */​19fun Float.shouldBeNaN(): Float {20 this should beNaN()21 return this22}23/​**24 * Assert that this [Float] is not [Float.NaN]25 *26 * Verifies that this [Float] is NOT the Not-a-Number constant [Float.NaN]27 *28 * Opposite of [shouldBeNaN]29 *30 * ```31 * 1f.shouldNotBeNaN() /​/​ Assertion passes32 * Float.NaN.shouldNotBeNaN() /​/​ Assertion fails33 * ```34 * @see [beNaN]35 */​36fun Float.shouldNotBeNaN(): Float {37 this shouldNot beNaN()38 return this39}40/​**41 * Matcher that matches [Float.NaN]42 *43 * Verifies that a specific [Float] is the Not-a-Number constant [Float.NaN]44 *45 * ```46 * 0.5f should beNaN() /​/​ Assertion fails47 * Float.NaN should beNaN() /​/​ Assertion passes48 * ```49 *50 * @see [Float.shouldBeNaN]51 * @see [Float.shouldNotBeNaN]52 */​53fun beNaN() = object : Matcher<Float> {54 override fun test(value: Float) = MatcherResult(55 value.isNaN(),56 { "$value should be NaN" },57 { "$value should not be NaN" })58}...

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Float.shouldNotBeNaN

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1import io.kotest.matchers.floats.shouldNotBeNaN2import io.kotest.matchers.floats.shouldNotBeInfinite3import io.kotest.matchers.floats.shouldBePositive4import io.kotest.matchers.floats.shouldBeNegative5import io.kotest.matchers.floats.shouldBeZero6import io.kotest.matchers.floats.shouldBeNegativeInfinity7import io.kotest.matchers.floats.shouldBePositiveInfinity8import io.kotest.matchers.floats.shouldBeNormal9import io.kotest.matchers.floats.shouldBeDenormal10import io.kotest.matchers.floats.shouldBeSubnormal11import io.kotest.matchers.floats.shouldBeNaN12import io.kotest.matchers.floats.shouldBeInfinite13import io.kotest.matchers.floats.shouldBeLessThan14import io.kotest.matchers.floats.shouldBeLessThanOrEqual

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Float.shouldNotBeNaN

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1 import io.kotest.matchers.floats.shouldNotBeNaN2 import io.kotest.matchers.floats.shouldNotBeInfinite3 import io.kotest.matchers.floats.shouldBeZero4 import io.kotest.matchers.floats.shouldNotBeZero5 import io.kotest.matchers.floats.shouldBePositive6 import io.kotest.matchers.floats.shouldNotBePositive7 import io.kotest.matchers.floats.shouldBeNegative8 import io.kotest.matchers.floats.shouldNotBeNegative9 import io.kotest.matchers.floats.shouldBeFinite10 import io.kotest.matchers.floats.shouldNotBeFinite11 import io.kotest.matchers.floats.shouldBeNormal12 import io.kotest.matchers.floats.shouldNotBeNormal13 import io.kotest.matchers.floats.shouldBeSubnormal14 import io.k

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Float.shouldNotBeNaN

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1 import io.kotest.matchers.floats.shouldNotBeNaN2 import io.kotest.matchers.floats.shouldBePositive3 import io.kotest.matchers.floats.shouldBeNegative4 import io.kotest.matchers.floats.shouldBeZero5 import io.kotest.matchers.floats.shouldBeNonZero6 import io.kotest.matchers.floats.shouldBeInfinite7 import io.kotest.matchers.floats.shouldBeFinite8 import io.kotest.matchers.floats.shouldBeNormal9 import io.kotest.matchers.floats.shouldBeSubnormal10 import io.kotest.matchers.floats.shouldBeNaN11 import io.kotest.matchers.floats.shouldBeLessThan12 import io.kotest.matchers.floats.shouldBeLessThanOrEqual13 import io.kotest.matchers.floats.shouldBeGreaterThan

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Float.shouldNotBeNaN

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1Float . shouldNotBeNaN ( 1.0f )2Float . shouldNotBeNaN ( 1.0f )3Float . shouldBeNaN ( Float . NaN )4Float . shouldBeNaN ( Float . NaN )5Float . shouldNotBeNaN ( Float . NaN )6Float . shouldNotBeNaN ( Float . NaN )7Float . shouldBeNaN ( Float . NaN )8Float . shouldBeNaN ( Float . NaN )9Float . shouldNotBeNaN ( Float . NaN )10Float . shouldNotBeNaN ( Float . NaN )11Float . shouldBeNaN ( Float . NaN )12Float . shouldBeNaN ( Float . NaN )13Float . shouldNotBeNaN ( Float . NaN )14Float . shouldNotBeNaN ( Float . NaN )15Float . shouldBeNaN ( Float . NaN )16Float . shouldBeNaN ( Float . NaN )

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Float.shouldNotBeNaN

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1 Float.shouldNotBeNaN(1.1f)2 Float.shouldNotBeInfinite(1.1f)3 Float.shouldBePositiveInfinity(1.1f)4 Float.shouldBeNegativeInfinity(1.1f)5 Float.shouldBeOneOf(1.1f, 2.2f)6 Float.shouldNotBeOneOf(1.1f, 2.2f)7 Float.shouldBeZero(1.1f)8 Float.shouldNotBeZero(1.1f)9 Float.shouldBeNegative(1.1f)10 Float.shouldNotBeNegative(1.1f)11 Float.shouldBePositive(1.1f)12 Float.shouldNotBePositive(1.1f)13 Float.shouldBeFinite(1.1f)14 Float.shouldNotBeFinite(1.1f)

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Float.shouldNotBeNaN

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1@get : Rule val testCaseConfig = TestCaseConfig(invocations = 10) @Test fun `test shouldNotBeNaN`() { Float.NaN.shouldNotBeNaN() }2@get : Rule val testCaseConfig = TestCaseConfig(invocations = 10) @Test fun `test shouldNotBePositive`() { Float.NaN.shouldNotBePositive() }3@get : Rule val testCaseConfig = TestCaseConfig(invocations = 10) @Test fun `test shouldNotBeZero`() { Float.NaN.shouldNotBeZero() }4@get : Rule val testCaseConfig = TestCaseConfig(invocations = 10) @Test fun `test shouldNotBeNegative`() { Float.NaN.shouldNotBeNegative() }5@get : Rule val testCaseConfig = TestCaseConfig(invocations = 10) @Test fun `test shouldBeInfinite`() { Float.NaN.shouldBeInfinite() }6@get : Rule val testCaseConfig = TestCaseConfig(invocations = 10) @Test fun `test shouldNotBeInfinite`() { Float.NaN.shouldNotBeInfinite() }7@get : Rule val testCaseConfig = TestCaseConfig(invocations = 10) @Test fun `test shouldBeFinite`() { Float.NaN.shouldBeFinite() }8@get : Rule val testCaseConfig = TestCaseConfig(invocations = 10) @Test fun `test shouldNotBeFinite`() { Float.NaN.shouldNotBeFinite() }9@get : Rule val testCaseConfig = TestCaseConfig(invocations = 10) @Test fun `test shouldBePositiveInfinity`() { Float.NaN.shouldBePositiveInfinity() }

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