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120 changes: 120 additions & 0 deletions
120
processing-tests/common/test/kotlin/com/livefront/sealedenum/compilation/equality/Flag.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,120 @@ | ||
| package com.livefront.sealedenum.compilation.equality | ||
|
|
||
| import com.livefront.sealedenum.GenSealedEnum | ||
| import org.intellij.lang.annotations.Language | ||
|
|
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| sealed class Flag { | ||
| val i: Int = 1 shl ordinal | ||
| object FirstFlag : Flag() | ||
|
|
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| object SecondFlag : Flag() | ||
|
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| @GenSealedEnum(generateEnum = true) | ||
| companion object | ||
| } | ||
|
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| @Language("kotlin") | ||
| val flagGenerated = """ | ||
| package com.livefront.sealedenum.compilation.equality | ||
| import com.livefront.sealedenum.EnumForSealedEnumProvider | ||
| import com.livefront.sealedenum.SealedEnum | ||
| import com.livefront.sealedenum.SealedEnumWithEnumProvider | ||
| import kotlin.Int | ||
| import kotlin.String | ||
| import kotlin.collections.List | ||
| import kotlin.reflect.KClass | ||
| /** | ||
| * An isomorphic enum for the sealed class [Flag] | ||
| */ | ||
| public enum class FlagEnum() { | ||
| Flag_FirstFlag, | ||
| Flag_SecondFlag, | ||
| } | ||
| /** | ||
| * The isomorphic [FlagEnum] for [this]. | ||
| */ | ||
| public val Flag.`enum`: FlagEnum | ||
| get() = FlagSealedEnum.sealedObjectToEnum(this) | ||
| /** | ||
| * The isomorphic [Flag] for [this]. | ||
| */ | ||
| public val FlagEnum.sealedObject: Flag | ||
| get() = FlagSealedEnum.enumToSealedObject(this) | ||
| /** | ||
| * An implementation of [SealedEnum] for the sealed class [Flag] | ||
| */ | ||
| public object FlagSealedEnum : SealedEnum<Flag>, SealedEnumWithEnumProvider<Flag, FlagEnum>, | ||
| EnumForSealedEnumProvider<Flag, FlagEnum> { | ||
| public override val values: List<Flag> = listOf( | ||
| Flag.FirstFlag, | ||
| Flag.SecondFlag | ||
| ) | ||
| public override val enumClass: KClass<FlagEnum> | ||
| get() = FlagEnum::class | ||
| public override fun ordinalOf(obj: Flag): Int = when (obj) { | ||
| is Flag.FirstFlag -> 0 | ||
| is Flag.SecondFlag -> 1 | ||
| } | ||
| public override fun nameOf(obj: Flag): String = when (obj) { | ||
| is Flag.FirstFlag -> "Flag_FirstFlag" | ||
| is Flag.SecondFlag -> "Flag_SecondFlag" | ||
| } | ||
| public override fun valueOf(name: String): Flag = when (name) { | ||
| "Flag_FirstFlag" -> Flag.FirstFlag | ||
| "Flag_SecondFlag" -> Flag.SecondFlag | ||
| else -> throw IllegalArgumentException(""${'"'}No sealed enum constant ${'$'}name""${'"'}) | ||
| } | ||
| public override fun sealedObjectToEnum(obj: Flag): FlagEnum = when (obj) { | ||
| is Flag.FirstFlag -> FlagEnum.Flag_FirstFlag | ||
| is Flag.SecondFlag -> FlagEnum.Flag_SecondFlag | ||
| } | ||
| public override fun enumToSealedObject(`enum`: FlagEnum): Flag = when (enum) { | ||
| FlagEnum.Flag_FirstFlag -> Flag.FirstFlag | ||
| FlagEnum.Flag_SecondFlag -> Flag.SecondFlag | ||
| } | ||
| } | ||
| /** | ||
| * The index of [this] in the values list. | ||
| */ | ||
| public val Flag.ordinal: Int | ||
| get() = FlagSealedEnum.ordinalOf(this) | ||
| /** | ||
| * The name of [this] for use with valueOf. | ||
| */ | ||
| public val Flag.name: String | ||
| get() = FlagSealedEnum.nameOf(this) | ||
| /** | ||
| * A list of all [Flag] objects. | ||
| */ | ||
| public val Flag.Companion.values: List<Flag> | ||
| get() = FlagSealedEnum.values | ||
| /** | ||
| * Returns an implementation of [SealedEnum] for the sealed class [Flag] | ||
| */ | ||
| public val Flag.Companion.sealedEnum: FlagSealedEnum | ||
| get() = FlagSealedEnum | ||
| /** | ||
| * Returns the [Flag] object for the given [name]. | ||
| * | ||
| * If the given name doesn't correspond to any [Flag], an [IllegalArgumentException] will be thrown. | ||
| */ | ||
| public fun Flag.Companion.valueOf(name: String): Flag = FlagSealedEnum.valueOf(name) | ||
| """.trimIndent() |
50 changes: 50 additions & 0 deletions
50
...ssing-tests/common/test/kotlin/com/livefront/sealedenum/compilation/equality/FlagTests.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| package com.livefront.sealedenum.compilation.equality | ||
|
|
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| import com.livefront.sealedenum.testing.assertCompiles | ||
| import com.livefront.sealedenum.testing.assertGeneratedFileMatches | ||
| import com.livefront.sealedenum.testing.compile | ||
| import com.livefront.sealedenum.testing.getCommonSourceFile | ||
| import org.junit.jupiter.api.Assertions.assertEquals | ||
| import org.junit.jupiter.api.Test | ||
|
|
||
| class FlagTests { | ||
| @Test | ||
| fun `two objects sealed class`() { | ||
| assertEquals( | ||
| listOf(Flag.FirstFlag, Flag.SecondFlag), | ||
| FlagSealedEnum.values | ||
| ) | ||
| } | ||
|
|
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| @Test | ||
| fun `two enums for sealed class`() { | ||
| assertEquals( | ||
| listOf( | ||
| FlagEnum.Flag_FirstFlag, | ||
| FlagEnum.Flag_SecondFlag | ||
| ), | ||
| enumValues<FlagEnum>().toList() | ||
| ) | ||
| } | ||
|
|
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| @Test | ||
| fun `two enums for sealed class with mapping`() { | ||
| assertEquals( | ||
| Flag.values.map(Flag::enum), | ||
| enumValues<FlagEnum>().toList() | ||
| ) | ||
| } | ||
|
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| @Test | ||
| fun `correct enum class`() { | ||
| assertEquals(FlagEnum::class, FlagSealedEnum.enumClass) | ||
| } | ||
|
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| @Test | ||
| fun `compilation generates correct code`() { | ||
| val result = compile(getCommonSourceFile("compilation", "equality", "Flag.kt")) | ||
|
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| assertCompiles(result) | ||
| assertGeneratedFileMatches("Flag_SealedEnum.kt", flagGenerated, result) | ||
| } | ||
| } |
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