From f05110f99bfaf1929f6c55b3317a955c244fd39d Mon Sep 17 00:00:00 2001
From: Sergey Bogolepov <sergey.bogolepov@jetbrains.com>
Date: Tue, 6 Jul 2021 14:55:00 +0700
Subject: [PATCH] [K/N] Add some tests for
 https://youtrack.jetbrains.com/issue/KT-47605

---
 .../backend.native/tests/build.gradle         | 42 +++++++++++++++++++
 .../tests/interop/mingw_dll_linkage/library.c |  5 +++
 .../tests/interop/mingw_dll_linkage/library.h |  1 +
 .../tests/interop/mingw_dll_linkage/main.kt   |  7 ++++
 4 files changed, 55 insertions(+)
 create mode 100644 kotlin-native/backend.native/tests/interop/mingw_dll_linkage/library.c
 create mode 100644 kotlin-native/backend.native/tests/interop/mingw_dll_linkage/library.h
 create mode 100644 kotlin-native/backend.native/tests/interop/mingw_dll_linkage/main.kt

diff --git a/kotlin-native/backend.native/tests/build.gradle b/kotlin-native/backend.native/tests/build.gradle
index 9874d52a366..b1e513e9aac 100644
--- a/kotlin-native/backend.native/tests/build.gradle
+++ b/kotlin-native/backend.native/tests/build.gradle
@@ -4315,6 +4315,48 @@ interopTest("interop_cppSkia") {
     goldValue = "17 17\n"
 }
 
+/**
+ * Check that compiler properly reports linker options that aren't supported by LLD.
+ * @param withImportLibrary create an import library if true. Thus, LLD shoudn't complain.
+ * @param shouldShowWarning compiler should show warning from LLD if true.
+ * @param compilerFlags additional flags that will be passed to Kotlin/Native.
+ */
+void driverCheckLldCompatibilityTest(String taskName, boolean withImportLibrary, boolean shouldShowWarning, List<String> compilerFlags) {
+    tasks.register(taskName, KonanDriverTest) {
+        source = "interop/mingw_dll_linkage/main.kt"
+
+        flags = ["-linker-option", "-lrary", "-linker-option", "-L", "-linker-option", "$buildDir/$taskName"] +
+                compilerFlags
+
+        compilerMessages = true
+        goldValue = "lld doesn't support linking directly against"
+        outputChecker = { out ->
+            shouldShowWarning ? out.contains(goldValue) : !out.contains(goldValue)
+        }
+
+        doBeforeBuild {
+            mkdir("$buildDir/$taskName")
+            execClangForCompilerTests(project.target) {
+                args "$projectDir/interop/mingw_dll_linkage/library.c"
+                args '-shared', '-o', "$buildDir/$taskName/library.dll"
+                if (withImportLibrary) {
+                    args "-Wl,--out-implib", "-Wl,$buildDir/$taskName/library.dll.a"
+                }
+            }
+            copy {
+                from("$buildDir/$taskName/library.dll")
+                into("$testOutputLocal/$name/$target/")
+            }
+        }
+    }
+}
+
+if (isWindowsTarget(project)) {
+    driverCheckLldCompatibilityTest("driver_lld_with_import_library", true, false, [])
+    driverCheckLldCompatibilityTest("driver_lld_without_import_library", false, true, [])
+    driverCheckLldCompatibilityTest("driver_lld_without_import_library_no_check", false, false, ["-Xcheck-compatibility-with-lld=disable"])
+}
+
 /*
 TODO: This test isn't run automatically
 task interop_echo_server(type: RunInteropKonanTest) {
diff --git a/kotlin-native/backend.native/tests/interop/mingw_dll_linkage/library.c b/kotlin-native/backend.native/tests/interop/mingw_dll_linkage/library.c
new file mode 100644
index 00000000000..19a100dd427
--- /dev/null
+++ b/kotlin-native/backend.native/tests/interop/mingw_dll_linkage/library.c
@@ -0,0 +1,5 @@
+#include "library.h"
+
+int f() {
+    return 43;
+}
\ No newline at end of file
diff --git a/kotlin-native/backend.native/tests/interop/mingw_dll_linkage/library.h b/kotlin-native/backend.native/tests/interop/mingw_dll_linkage/library.h
new file mode 100644
index 00000000000..b8f5e87c81e
--- /dev/null
+++ b/kotlin-native/backend.native/tests/interop/mingw_dll_linkage/library.h
@@ -0,0 +1 @@
+int f();
\ No newline at end of file
diff --git a/kotlin-native/backend.native/tests/interop/mingw_dll_linkage/main.kt b/kotlin-native/backend.native/tests/interop/mingw_dll_linkage/main.kt
new file mode 100644
index 00000000000..755f4850eec
--- /dev/null
+++ b/kotlin-native/backend.native/tests/interop/mingw_dll_linkage/main.kt
@@ -0,0 +1,7 @@
+/*
+ * Copyright 2010-2021 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.
+ */
+
+fun main() {
+}
\ No newline at end of file