Revert "Revert "[K/N][Tests] Migrate driver test llvm_variant_dev""

This reverts commit dc4f12f29c.

kotlin-native/backend.native/tests/build.gradle

@@ -1327,22 +1327,6 @@ tasks.register("override_konan_properties0", KonanDriverTest) {
     }
 }
 
-tasks.register("llvm_variant_dev", KonanDriverTest) {
-    // We use clang from Xcode on macOS for apple targets,
-    // so it is hard to reliably detect LLVM variant for these targets.
-    disabled = PlatformInfo.isAppleTarget(project)
-        || isAggressiveGC // No need to test with different GC schedulers
-    flags = [
-            "-Xllvm-variant=dev",
-            "-Xverbose-phases=ObjectFiles"
-    ]
-    compilerMessages = true
-    source = "link/ir_providers/hello.kt"
-    // User LLVM variant has "essentials" suffix.
-    def message = "-essentials"
-    outputChecker = { out -> !out.contains(message) }
-}
-
 /**
  * Builds tests into a single binary with TestRunner
  */

native/native.tests/build.gradle.kts

@@ -56,6 +56,7 @@ val debuggerTest = nativeTest("debuggerTest", "debugger")
 val cachesTest = nativeTest("cachesTest", "caches")
 val klibTest = nativeTest("klibTest", "klib")
 val standaloneTest = nativeTest("standaloneTest", "standalone")
+val driverTest = nativeTest("driverTest", "driver")
 
 val testTags = findProperty("kotlin.native.tests.tags")?.toString()
 // Note: arbitrary JUnit tag expressions can be used in this property.

native/native.tests/testData/driver/hello.kt

@@ -0,0 +1 @@
+fun main() = println("hello")

native/native.tests/tests/org/jetbrains/kotlin/konan/test/KonanDriverTest.kt

@@ -0,0 +1,63 @@
+/*
+ * Copyright 2010-2024 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.konan.test
+
+import com.intellij.testFramework.TestDataPath
+import org.jetbrains.kotlin.konan.target.HostManager
+import org.jetbrains.kotlin.konan.test.blackbox.AbstractNativeSimpleTest
+import org.jetbrains.kotlin.konan.test.blackbox.support.NativeSimpleTestSupport
+import org.jetbrains.kotlin.konan.test.blackbox.support.settings.Binaries
+import org.jetbrains.kotlin.konan.test.blackbox.support.settings.GCScheduler
+import org.jetbrains.kotlin.konan.test.blackbox.support.settings.KotlinNativeHome
+import org.jetbrains.kotlin.konan.test.blackbox.targets
+import org.jetbrains.kotlin.native.executors.RunProcessResult
+import org.jetbrains.kotlin.native.executors.runProcess
+import org.junit.jupiter.api.Assumptions
+import org.junit.jupiter.api.Tag
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.extension.ExtendWith
+import java.io.File
+import kotlin.test.assertFalse
+import kotlin.time.Duration
+
+@Tag("driver")
+@TestDataPath("\$PROJECT_ROOT")
+@ExtendWith(NativeSimpleTestSupport::class)
+class KonanDriverTest : AbstractNativeSimpleTest() {
+    private val konanHome get() = testRunSettings.get<KotlinNativeHome>().dir
+    private val buildDir get() = testRunSettings.get<Binaries>().testBinariesDir
+    private val konanc get() = konanHome.resolve("bin").resolve(if (HostManager.hostIsMingw) "konanc.bat" else "konanc")
+
+    private val testSuiteDir = File("native/native.tests/testData/driver")
+
+    @Test
+    fun testLLVMVariantDev() {
+        // We use clang from Xcode on macOS for apple targets,
+        // so it is hard to reliably detect LLVM variant for these targets.
+//        Assumptions.assumeFalse(targets.hostTarget.family.isAppleFamily && targets.testTarget.family.isAppleFamily)
+        // No need to test with different GC schedulers
+        Assumptions.assumeFalse(testRunSettings.get<GCScheduler>() == GCScheduler.AGGRESSIVE)
+
+        val source = testSuiteDir.resolve("hello.kt")
+        val flags = listOf("-Xllvm-variant=dev", "-Xverbose-phases=ObjectFiles")
+        val args = mutableListOf("-output", buildDir.resolve("kexe.kexe").absolutePath).apply {
+            add("-target")
+            add(targets.testTarget.visibleName)
+            addAll(flags)
+
+            add("-Xpartial-linkage=enable")
+            add("-Xpartial-linkage-loglevel=error")
+        }
+
+        val result: RunProcessResult = runProcess(konanc.absolutePath, source.absolutePath, *args.toTypedArray()) {
+            timeout = Duration.parse("5m")
+        }
+        assertFalse(
+            result.stdout.contains("-essentials"),
+            "`-essentials` must not be in stdout of dev LLVM.\nSTDOUT: ${result.stdout}\nSTDERR: ${result.stderr}\n---"
+        )
+    }
+}