26 lines
693 B
Kotlin
26 lines
693 B
Kotlin
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package com.mikebull94.result
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import com.natpryce.hamkrest.assertion.assertThat
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import com.natpryce.hamkrest.equalTo
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import com.natpryce.hamkrest.sameInstance
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import org.junit.jupiter.api.Test
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internal class AndTest {
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private object AndError
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@Test
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internal fun `andThen should return the transformed result value if ok`() {
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val value = ok(5).andThen { ok(it + 7) }.get()
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assertThat(value, equalTo(12))
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}
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@Test
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internal fun `andThen should return the result error if not ok`() {
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val result = ok(20).andThen { ok(it + 43) }.andThen { error(AndError) }
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result as Error
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assertThat(result.error, sameInstance(AndError))
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}
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}
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