diff --git a/kotlin-power-assert-plugin/src/test/kotlin/com/bnorm/power/InfixFunctionTest.kt b/kotlin-power-assert-plugin/src/test/kotlin/com/bnorm/power/InfixFunctionTest.kt new file mode 100644 index 00000000000..b5a9444c4c5 --- /dev/null +++ b/kotlin-power-assert-plugin/src/test/kotlin/com/bnorm/power/InfixFunctionTest.kt @@ -0,0 +1,78 @@ +/* + * Copyright (C) 2022 Brian Norman + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.bnorm.power + +import com.tschuchort.compiletesting.KotlinCompilation +import com.tschuchort.compiletesting.SourceFile +import org.jetbrains.kotlin.name.FqName +import java.lang.reflect.InvocationTargetException +import kotlin.test.Test +import kotlin.test.assertEquals +import kotlin.test.fail + +class InfixFunctionTest { + @Test + fun `infix functions include receiver`() { + val actual = execute( + """ + (1 + 1) mustEqual (2 + 4) + """.trimIndent() + ) + assertEquals( + """ + (1 + 1) mustEqual (2 + 4) + | | + | 6 + 2 + """.trimIndent(), + actual.trim() + ) + } + + private fun execute(mainBody: String): String { + val file = SourceFile.kotlin( + name = "main.kt", + contents = """ +infix fun V.mustEqual(expected: V): Unit = assert(this == expected) + +fun V.mustEqual(expected: V, message: () -> String): Unit = + assert(this == expected, message) + +fun main() { + $mainBody +} +""", + trimIndent = false + ) + + val result = compile(listOf(file), PowerAssertComponentRegistrar(setOf(FqName("mustEqual")))) + assertEquals(KotlinCompilation.ExitCode.OK, result.exitCode) + + val kClazz = result.classLoader.loadClass("MainKt") + val main = kClazz.declaredMethods.single { it.name == "main" && it.parameterCount == 0 } + try { + try { + main.invoke(null) + } catch (t: InvocationTargetException) { + throw t.cause!! + } + fail("should have thrown assertion") + } catch (t: Throwable) { + return t.message ?: "" + } + } +}