[Native][tests] Add "force standalone tests" mode

native/native.tests/build.gradle.kts

@@ -49,6 +49,7 @@ enum class TestProperty(shortName: String) {
     COMPILER_CLASSPATH("compilerClasspath"),
     TEST_TARGET("target"),
     TEST_MODE("mode"),
+    FORCE_STANDALONE("forceStandalone"),
     OPTIMIZATION_MODE("optimizationMode"),
     MEMORY_MODEL("memoryModel"),
     USE_THREAD_STATE_CHECKER("useThreadStateChecker"),
@@ -115,6 +116,7 @@ fun nativeTest(taskName: String, vararg tags: String) = projectTest(taskName, jU
         // Pass Gradle properties as JVM properties so test process can read them.
         TestProperty.TEST_TARGET.setUpFromGradleProperty(this)
         TestProperty.TEST_MODE.setUpFromGradleProperty(this)
+        TestProperty.FORCE_STANDALONE.setUpFromGradleProperty(this)
         TestProperty.OPTIMIZATION_MODE.setUpFromGradleProperty(this)
         TestProperty.MEMORY_MODEL.setUpFromGradleProperty(this)
         TestProperty.USE_THREAD_STATE_CHECKER.setUpFromGradleProperty(this)

native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/ConfigurationProperties.kt

@@ -43,6 +43,7 @@ internal class EnforcedProperties(testClass: Class<*>) {
 internal enum class ClassLevelProperty(shortName: String) {
     TEST_TARGET("target"),
     TEST_MODE("mode"),
+    FORCE_STANDALONE("forceStandalone"),
     OPTIMIZATION_MODE("optimizationMode"),
     MEMORY_MODEL("memoryModel"),
     USE_THREAD_STATE_CHECKER("useThreadStateChecker"),

native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/NativeTestSupport.kt

@@ -158,6 +158,7 @@ private object NativeTestSupport {
         output += nativeTargets
         output += CacheMode::class to cacheMode
         output += computeTestMode(enforcedProperties)
+        output += computeForcedStandaloneTestKind(enforcedProperties)
         output += computeTimeouts(enforcedProperties)
 
         return nativeTargets
@@ -220,6 +221,15 @@ private object NativeTestSupport {
     private fun computeTestMode(enforcedProperties: EnforcedProperties): TestMode =
         ClassLevelProperty.TEST_MODE.readValue(enforcedProperties, TestMode.values(), default = TestMode.TWO_STAGE_MULTI_MODULE)
 
+    private fun computeForcedStandaloneTestKind(enforcedProperties: EnforcedProperties): ForcedStandaloneTestKind =
+        ForcedStandaloneTestKind(
+            ClassLevelProperty.FORCE_STANDALONE.readValue(
+                enforcedProperties,
+                String::toBooleanStrictOrNull,
+                default = false
+            )
+        )
+
     private fun computeTimeouts(enforcedProperties: EnforcedProperties): Timeouts {
         val executionTimeout = ClassLevelProperty.EXECUTION_TIMEOUT.readValue(
             enforcedProperties,

native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/group/ExtTestCaseGroupProvider.kt

@@ -73,7 +73,7 @@ internal class ExtTestCaseGroupProvider : TestCaseGroupProvider, TestDisposable(
 
                 if (extTestDataFile.isRelevant)
                     testCases += extTestDataFile.createTestCase(
-                        definitelyStandaloneTest = testDataFile in standalones,
+                        definitelyStandaloneTest = settings.get<ForcedStandaloneTestKind>().value || testDataFile in standalones,
                         sharedModules = sharedModules
                     )
                 else
@@ -168,7 +168,8 @@ private class ExtTestDataFile(
         return doCreateTestCase(isStandaloneTest, sharedModules)
     }
 
-    /** Determine if the current test should be compiled as a standalone test, i.e.
+    /**
+     * Determine if the current test should be compiled as a standalone test, i.e.
      * - package names are not patched
      * - test is compiled independently of any other tests
      */

native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/group/StandardTestCaseGroupProvider.kt

@@ -10,10 +10,7 @@ import org.jetbrains.kotlin.konan.blackboxtest.support.TestCase.NoTestRunnerExtr
 import org.jetbrains.kotlin.konan.blackboxtest.support.TestCase.WithTestRunnerExtras
 import org.jetbrains.kotlin.konan.blackboxtest.support.runner.TestRunCheck.*
 import org.jetbrains.kotlin.konan.blackboxtest.support.runner.TestRunChecks
-import org.jetbrains.kotlin.konan.blackboxtest.support.settings.GeneratedSources
-import org.jetbrains.kotlin.konan.blackboxtest.support.settings.Settings
-import org.jetbrains.kotlin.konan.blackboxtest.support.settings.TestRoots
-import org.jetbrains.kotlin.konan.blackboxtest.support.settings.Timeouts
+import org.jetbrains.kotlin.konan.blackboxtest.support.settings.*
 import org.jetbrains.kotlin.konan.blackboxtest.support.util.*
 import org.jetbrains.kotlin.test.directives.model.Directive
 import org.jetbrains.kotlin.test.directives.model.RegisteredDirectives
@@ -182,9 +179,15 @@ internal class StandardTestCaseGroupProvider : TestCaseGroupProvider {
         val registeredDirectives = directivesParser.build()
 
         val freeCompilerArgs = parseFreeCompilerArgs(registeredDirectives, location)
-        val testKind = parseTestKind(registeredDirectives, location)
         val expectedTimeoutFailure = parseExpectedTimeoutFailure(registeredDirectives)
 
+        val testKind = parseTestKind(registeredDirectives, location).let { testKind ->
+            if (testKind == TestKind.REGULAR && settings.get<ForcedStandaloneTestKind>().value)
+                TestKind.STANDALONE
+            else
+                testKind
+        }
+
         if (testKind == TestKind.REGULAR) {
             // Fix package declarations to avoid unintended conflicts between symbols with the same name in different test cases.
             fixPackageNames(testModules.values, nominalPackageName, testDataFile)

native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/settings/TestProcessSettings.kt

@@ -5,6 +5,7 @@
 
 package org.jetbrains.kotlin.konan.blackboxtest.support.settings
 
+import org.jetbrains.kotlin.konan.blackboxtest.support.TestKind
 import org.jetbrains.kotlin.konan.target.KonanTarget
 import org.jetbrains.kotlin.test.services.JUnit5Assertions.assertTrue
 import java.io.File
@@ -54,6 +55,14 @@ internal enum class TestMode(private val description: String) {
     override fun toString() = description
 }
 
+/**
+ * Whether to force [TestKind.STANDALONE] for all tests where [TestKind] is assumed to be [TestKind.REGULAR] otherwise:
+ * - either explicitly specified in the test data file: // KIND: REGULAR
+ * - or // KIND: is not specified in the test data file and thus automatically considered as [TestKind.REGULAR]
+ */
+@JvmInline
+internal value class ForcedStandaloneTestKind(val value: Boolean)
+
 /**
  * Optimization mode to be applied.
  */