Migrate CodegenJdkCommonTestSuite.kt to gradle

compiler/build.gradle.kts

@@ -85,8 +85,12 @@ evaluationDependsOn(":compiler:tests-common-jvm6")
 fun Project.codegenTest(taskName: String, jdk: String, body: Test.() -> Unit): Test = projectTest(taskName) {
     dependsOn(*testDistProjects.map { "$it:dist" }.toTypedArray())
     workingDir = rootDir
-    environment("TEST_SERVER_CLASSES_DIRS", project(":compiler:tests-common-jvm6").the<JavaPluginConvention>().sourceSets.getByName("main").output.classesDirs.asPath)
-    filter.includeTestsMatching("org.jetbrains.kotlin.codegen.CodegenJdkCommonTestSuite*")
+
+    filter.includeTestsMatching("org.jetbrains.kotlin.codegen.BlackBoxCodegenTestGenerated*")
+    filter.includeTestsMatching("org.jetbrains.kotlin.codegen.BlackBoxInlineCodegenTestGenerated*")
+    filter.includeTestsMatching("org.jetbrains.kotlin.codegen.CompileKotlinAgainstInlineKotlinTestGenerated*")
+    filter.includeTestsMatching("org.jetbrains.kotlin.codegen.CompileKotlinAgainstKotlinTestGenerated*")
+    filter.includeTestsMatching("org.jetbrains.kotlin.codegen.BlackBoxAgainstJavaCodegenTestGenerated*")
 
     if (jdk == "JDK_9") {
         jvmArgs = listOf("--add-opens", "java.desktop/javax.swing=ALL-UNNAMED", "--add-opens", "java.base/java.io=ALL-UNNAMED")
@@ -105,9 +109,43 @@ fun Project.codegenTest(taskName: String, jdk: String, body: Test.() -> Unit): T
 }
 
 codegenTest("codegen-target6-jvm6-test", "JDK_18") {
+    dependsOn(":compiler:tests-common-jvm6:build")
+
+    //TODO make port flexible
+    val port = "5100"
+    var jdkProcess: Process? = null
+
+    doFirst {
+        logger.info("Configuring JDK 6 server...")
+        val jdkPath = project.property("JDK_16") ?: error("JDK_16 is not optional to run this test")
+        val executable = "$jdkPath/bin/java"
+        val main = "org.jetbrains.kotlin.test.clientserver.TestProcessServer"
+
+        val classpath = getSourceSetsFrom(":compiler:tests-common-jvm6")["main"].output.asPath + ":" +
+                getSourceSetsFrom(":kotlin-stdlib")["main"].output.asPath + ":" +
+                getSourceSetsFrom(":kotlin-stdlib")["builtins"].output.asPath + ":" +
+                getSourceSetsFrom(":kotlin-test:kotlin-test-jvm")["main"].output.asPath
+
+        logger.debug("Server classpath: $classpath")
+
+        val builder = ProcessBuilder(executable, "-cp", classpath, main, port)
+        builder.directory(rootDir)
+
+        builder.inheritIO()
+        builder.redirectErrorStream(true)
+
+        logger.info("Starting JDK 6 server $executable")
+        jdkProcess = builder.start()
+
+    }
     systemProperty("kotlin.test.default.jvm.target", "1.6")
     systemProperty("kotlin.test.java.compilation.target", "1.6")
-    systemProperty("kotlin.test.box.in.separate.process.port", "5100")
+    systemProperty("kotlin.test.box.in.separate.process.port", port)
+
+    doLast {
+        logger.info("Stopping JDK 6 server...")
+        jdkProcess?.destroy()
+    }
 }
 
 codegenTest("codegen-target6-jvm9-test", "JDK_9") {