[K/N] Add backend.native test for objcClassesIncludingCategories

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

@@ -4458,6 +4458,10 @@ if (PlatformInfo.isAppleTarget(project)) {
         it.defFile 'interop/objc/kt49034/objcprotocol/kt49034.def'
         it.headers "$projectDir/interop/objc/kt49034/objcprotocol/kt49034.h"
     }
+    createInterop("objc_include_categories") {
+        it.defFile 'interop/objc/include_categories/objc_include_categories.def'
+        it.headers "$projectDir/interop/objc/include_categories/objc_include_categories.h"
+    }
 }
 
 createInterop("withSpaces") {
@@ -5205,6 +5209,23 @@ if (PlatformInfo.isAppleTarget(project)) {
         useGoldenData = true
         flags = ["-native-library", "$buildDir/objc_arc_contract.bc"]
     }
+
+    interopTest("interop_objc_include_categories") {
+        useGoldenData = true
+        source = "interop/objc/include_categories/main.kt"
+        interop = "objc_include_categories"
+        doBeforeBuild {
+            mkdir(buildDir)
+            project.extensions.execClang.execClangForCompilerTests(project.target) {
+                args "$projectDir/interop/objc/include_categories/objc_include_categories.m"
+                args "-lobjc", '-fobjc-arc'
+                args '-fPIC', '-shared', '-o', "$buildDir/libobjcincludecategories.dylib"
+            }
+            if (UtilsKt.isSimulatorTarget(project, project.target)) {
+                UtilsKt.codesign(project, "$buildDir/libobjcincludecategories.dylib")
+            }
+        }
+    }
 }
 
 tasks.register("KT-50983", KonanDriverTest) {

kotlin-native/backend.native/tests/interop/objc/include_categories/main.kt

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2010-2023 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.
+ */
+import objc_include_categories.*
+
+class KotlinDerived : BaseClass() {
+    override fun multiplyBy(value: Int): Float {
+        return this.floatProperty * value * 100
+    }
+}
+
+fun main() {
+    val base = BaseClass()
+    println(base.floatProperty)
+    val base2 = BaseClass(float = 3.14f)
+    println(base2.floatProperty)
+    println(base.multiplyBy(2))
+    println()
+    val derived = DerivedClass()
+    println(derived.intProperty)
+    val derived2 = DerivedClass(int = 6)
+    println(derived2.intProperty)
+    println(derived.multiplyBy(2))
+    println()
+    val kotlinDerived = KotlinDerived()
+    println(kotlinDerived.floatProperty)
+    println(kotlinDerived.multiplyBy(2))
+}

kotlin-native/backend.native/tests/interop/objc/include_categories/main.out

@@ -0,0 +1,10 @@
+3.0
+3.14
+6.0
+
+3
+6
+6.0
+
+3.0
+600.0

kotlin-native/backend.native/tests/interop/objc/include_categories/objc_include_categories.def

@@ -0,0 +1,4 @@
+language = Objective-C
+headerFilter = **/objc_include_categories.h
+linkerOpts = -lobjcincludecategories
+objcClassesIncludingCategories = BaseClass DerivedClass

kotlin-native/backend.native/tests/interop/objc/include_categories/objc_include_categories.h

@@ -0,0 +1,20 @@
+#import <objc/NSObject.h>
+
+@interface BaseClass : NSObject
+- (id) init;
+@property float floatProperty;
+@end;
+
+@interface BaseClass(IncludeCategory)
+- (id)initWithFloat:(float)number;
+- (float) multiplyBy:(int)value;
+@end;
+
+@interface DerivedClass : BaseClass
+- (id) init;
+@property int intProperty;
+@end;
+
+@interface DerivedClass(IncludeCategory)
+- (id)initWithInt:(int)number;
+@end;

kotlin-native/backend.native/tests/interop/objc/include_categories/objc_include_categories.m

@@ -0,0 +1,34 @@
+#include "objc_include_categories.h"
+
+@implementation BaseClass
+-(id) init {
+    self.floatProperty = 3.0f;
+    return self;
+}
+@end;
+
+@implementation BaseClass(IncludeCategory)
+- (id)initWithFloat:(float)number {
+    self.floatProperty = number;
+    return self;
+}
+- (float) multiplyBy:(int)number {
+    return self.floatProperty * 2;
+}
+@end;
+
+@implementation DerivedClass
+-(id) init {
+    self = [super init];
+    self.intProperty = 3;
+    return self;
+}
+@end;
+
+@implementation DerivedClass(IncludeCategory)
+- (id)initWithInt:(int)number {
+    self = [self init];
+    self.intProperty = number;
+    return self;
+}
+@end;