(WIP)

Author: Godin

inline-example/.gitignore

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+build/

inline-example/README.adoc

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+Unfortunately even Ant task can't get data from tests:
+
+----
+[ant:jacoco:report] Loading execution data file /Users/evgeny.mandrikov/projects/jacoco/jacoco/example/build/jacoco/test.exec
+[ant:jacoco:report] Got org/example/ExampleKt within org/example/ExampleKt
+[ant:jacoco:report] Got org/example/ExampleKt within org/example/ExampleKt
+[ant:jacoco:report] Got org/example/ExampleKt within org/example/ExampleKt
+[ant:jacoco:report] Writing bundle 'main' with 1 classes
+[ant:jacoco:report] Got org/example/ExampleKt within org/example/ExampleTests
+[ant:jacoco:report] Got org/example/ExampleKt within org/example/ExampleTests
+[ant:jacoco:report] Writing bundle 'test' with 1 classes
+----
+
+* https://github.com/Kotlin/kotlinx-kover/blob/v0.7.3/kover-gradle-plugin/src/main/kotlin/kotlinx/kover/gradle/plugin/tools/jacoco/JacocoAnt.kt#L48-L55
+* https://github.com/gradle/gradle/blob/v8.4.0/subprojects/jacoco/src/main/java/org/gradle/internal/jacoco/AbstractAntJacocoReport.java#L66-L82

inline-example/build.gradle

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+plugins {
+    id 'org.jetbrains.kotlin.jvm' version '1.9.10'
+    id 'jacoco'
+}
+
+repositories {
+    mavenLocal()
+    mavenCentral()
+}
+
+dependencies {
+    testImplementation(platform("org.junit:junit-bom:5.10.0"))
+    testImplementation("org.junit.jupiter:junit-jupiter")
+}
+
+test {
+    useJUnitPlatform()
+}
+
+jacoco {
+    toolVersion = '0.8.12-SNAPSHOT'
+}
+
+task report {
+    doLast {
+        // See
+        // https://docs.gradle.org/current/userguide/ant.html
+        // https://jacoco.org/jacoco/trunk/doc/ant.html
+        ant.taskdef(
+                    resource: 'org/jacoco/ant/antlib.xml',
+                    classpath: project.configurations.jacocoAnt.asPath,
+                    uri: 'jacoco'
+        )
+        ant.'jacoco:report'() {
+            html(destdir: 'build/report')
+            executiondata() {
+                fileset(file: 'build/jacoco/test.exec')
+            }
+            structure(name: 'Example') {
+                Group(name: 'combined') {
+                    classfiles() { fileset(dir: 'build/classes/kotlin/') }
+                    sourcefiles() { fileset(dir: 'src/main/kotlin/') }
+                }
+                Group(name: 'separate') {
+                    Group(name: 'main') {
+                        classfiles() { fileset(dir: 'build/classes/kotlin/main') }
+                        sourcefiles() { fileset(dir: 'src/main/kotlin/') }
+                    }
+                    Group(name: 'test') {
+                        classfiles() { fileset(dir: 'build/classes/kotlin/test') }
+                        sourcefiles() { fileset(dir: 'src/test/kotlin/') }
+                    }
+                }
+            }
+        }
+    }
+}

inline-example/run.sh

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+#!/bin/sh
+
+gradle clean build
+gradle report --info

inline-example/src/main/kotlin/org/example/Example.kt

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+package org.example;
+
+inline fun inlined() {
+}
+
+fun callsite() {
+  inlined()
+}
+
+inline fun inlined2() {
+}

inline-example/src/test/kotlin/org/example/ExampleTest.kt

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+package org.example;
+
+import org.junit.jupiter.api.Test
+
+class ExampleTests {
+
+  @Test
+  fun test() {
+    callsite()
+    inlined2()
+  }
+
+}