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// RUN: %empty-directory(%t)
// RUN: split-file %s %t
// RUN: %target-swift-frontend -typecheck %t/use-objc-types.swift -typecheck -module-name UseObjCTy -emit-clang-header-path %t/UseObjCTy.h -I %t -enable-experimental-cxx-interop -clang-header-expose-decls=all-public
// RUN: %target-interop-build-clangxx -std=c++20 -fobjc-arc -c %t/use-swift-objc-types.mm -I %t -o %t/swift-objc-execution.o
// RUN: %target-interop-build-swift %t/use-objc-types.swift -o %t/swift-objc-execution -Xlinker %t/swift-objc-execution.o -module-name UseObjCTy -Xfrontend -entry-point-function-name -Xfrontend swiftMain -I %t
// RUN: %target-codesign %t/swift-objc-execution
// RUN: %target-run %t/swift-objc-execution | %FileCheck %s
// RUN: %target-run %t/swift-objc-execution | %FileCheck --check-prefix=DESTROY %s
// REQUIRES: executable_test
// REQUIRES: objc_interop
// REQUIRES: rdar107657204
//--- header.h
#import <Foundation/Foundation.h>
@interface ObjCKlass: NSObject
-(ObjCKlass * _Nonnull) init:(int)x;
-(int)getValue;
@end
//--- module.modulemap
module ObjCTest {
header "header.h"
}
//--- use-objc-types.swift
import ObjCTest
public func retObjClass() -> ObjCKlass {
return ObjCKlass(1)
}
public func retObjClassNull() -> ObjCKlass? {
return nil
}
public func retObjClassNullable() -> ObjCKlass? {
return retObjClass()
}
public func takeObjCClass(_ x: ObjCKlass) {
print("OBJClass:", x.getValue());
}
public func takeObjCClassInout(_ x: inout ObjCKlass) {
x = ObjCKlass(x.getValue() + 1)
}
public func takeObjCClassNullable(_ x: ObjCKlass?) {
if let x = x {
print("OBJClass:", x.getValue());
} else {
print("NIL");
}
}
public func passThroughObjClass(_ x: ObjCKlass?) -> ObjCKlass? {
return x
}
//--- use-swift-objc-types.mm
#include "header.h"
#include "UseObjCTy.h"
#include <assert.h>
#include <stdio.h>
int globalCounter = 0;
struct DeinitPrinter {
~DeinitPrinter() {
puts("destroy ObjCKlass");
--globalCounter;
}
};
@implementation ObjCKlass {
int _x;
DeinitPrinter _printer;
}
- (ObjCKlass * _Nonnull) init:(int)x {
ObjCKlass *result = [super init];
result->_x = x;
puts("create ObjCKlass");
++globalCounter;
return result;
}
-(int)getValue {
return self->_x;
}
@end
int main() {
using namespace UseObjCTy;
@autoreleasepool {
ObjCKlass* val = retObjClass();
assert(val.getValue == 1);
assert(globalCounter == 1);
takeObjCClass(val);
takeObjCClassInout(val);
takeObjCClassNullable(val);
takeObjCClassNullable(retObjClassNull());
}
assert(globalCounter == 0);
// CHECK: create ObjCKlass
// CHECK-NEXT: OBJClass: 1
// CHECK-NEXT: create ObjCKlass
// CHECK: OBJClass: 2
// CHECK-NEXT: NIL
// DESTROY: destroy ObjCKlass
// DESTROY: destroy ObjCKlass
puts("Part2");
@autoreleasepool {
ObjCKlass* val = retObjClassNullable();
assert(globalCounter == 1);
assert(val.getValue == 1);
takeObjCClassNullable(passThroughObjClass(val));
}
assert(globalCounter == 0);
// CHECK: Part2
// CHECK-NEXT: create ObjCKlass
// CHECK-NEXT: OBJClass: 1
// CHECK-NEXT: destroy ObjCKlass
// DESTROY: destroy ObjCKlass
return 0;
}
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