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KotlinWhenExpressionTarget.kt
106 lines (90 loc) · 3.6 KB
/
KotlinWhenExpressionTarget.kt
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/*******************************************************************************
* Copyright (c) 2009, 2021 Mountainminds GmbH & Co. KG and Contributors
* This program and the accompanying materials are made available under
* the terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Evgeny Mandrikov - initial API and implementation
*
*******************************************************************************/
package org.jacoco.core.test.validation.kotlin.targets
/**
* This test target is `when` expression.
*/
object KotlinWhenExpressionTarget {
private sealed class Sealed {
object Sealed1 : Sealed()
object Sealed2 : Sealed()
}
private fun whenSealed(p: Sealed): Int = when (p) { // assertFullyCovered()
is Sealed.Sealed1 -> 1 // assertFullyCovered(0, 2)
is Sealed.Sealed2 -> 2 // assertFullyCovered()
} // assertFullyCovered()
@Suppress("REDUNDANT_ELSE_IN_WHEN")
private fun whenSealedRedundantElse(p: Sealed): Int = when (p) { // assertFullyCovered()
is Sealed.Sealed1 -> 1 // assertFullyCovered(0, 2)
is Sealed.Sealed2 -> 2 // assertFullyCovered(0, 0)
else -> throw NoWhenBranchMatchedException() // assertEmpty()
} // assertFullyCovered()
private enum class Enum {
A, B
}
private fun whenEnum(p: Enum): Int = when (p) { // assertFullyCovered(0, 2)
Enum.A -> 1 // assertFullyCovered()
Enum.B -> 2 // assertFullyCovered()
} // assertFullyCovered()
@Suppress("REDUNDANT_ELSE_IN_WHEN")
private fun whenEnumRedundantElse(p: Enum): Int = when (p) { // assertFullyCovered(0, 2)
Enum.A -> 1 // assertFullyCovered()
Enum.B -> 2 // assertFullyCovered()
else -> throw NoWhenBranchMatchedException() // assertEmpty()
} // assertFullyCovered()
private fun whenString(p: String): Int = when (p) { // assertFullyCovered(0, 7)
"a" -> 1 // assertFullyCovered()
"b" -> 2 // assertFullyCovered()
"c" -> 3 // assertFullyCovered()
"\u0000a" -> 4 // assertFullyCovered()
"\u0000b" -> 5 // assertFullyCovered()
"\u0000c" -> 6 // assertFullyCovered()
else -> 7 // assertFullyCovered()
} // assertFullyCovered()
/**
* Unlike [whenString]
* in this example first case is the only case with biggest hashCode value.
*/
private fun whenStringBiggestHashCodeFirst(p: String): Int = when (p) { // assertFullyCovered(0, 6)
"c" -> 1 // assertFullyCovered()
"b" -> 2 // assertFullyCovered()
"\u0000b" -> 3 // assertFullyCovered()
"a" -> 4 // assertFullyCovered()
"\u0000a" -> 5 // assertFullyCovered()
else -> 6 // assertFullyCovered()
} // assertFullyCovered()
@JvmStatic
fun main(args: Array<String>) {
whenSealed(Sealed.Sealed1)
whenSealed(Sealed.Sealed2)
whenSealedRedundantElse(Sealed.Sealed1)
whenSealedRedundantElse(Sealed.Sealed2)
whenEnum(Enum.A)
whenEnum(Enum.B)
whenEnumRedundantElse(Enum.A)
whenEnumRedundantElse(Enum.B)
whenString("")
whenString("a")
whenString("b")
whenString("c")
whenString("\u0000a")
whenString("\u0000b")
whenString("\u0000c")
whenStringBiggestHashCodeFirst("")
whenStringBiggestHashCodeFirst("a")
whenStringBiggestHashCodeFirst("b")
whenStringBiggestHashCodeFirst("c")
whenStringBiggestHashCodeFirst("\u0000a")
whenStringBiggestHashCodeFirst("\u0000b")
}
}