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// RUN: %empty-directory(%t)
// RUN: split-file %s %t
// RUN: %target-swift-frontend -typecheck %t/create_string.swift -typecheck -module-name StringCreator -enable-experimental-cxx-interop -emit-clang-header-path %t/StringCreator.h
// RUN: %target-interop-build-clangxx -std=gnu++20 -fobjc-arc -c %t/string-to-nsstring.mm -I %t -o %t/swift-stdlib-execution.o
// RUN: %target-build-swift %t/use_foundation.swift %t/create_string.swift -o %t/swift-stdlib-execution -Xlinker %t/swift-stdlib-execution.o -module-name StringCreator -Xfrontend -entry-point-function-name -Xfrontend swiftMain -lc++
// RUN: %target-codesign %t/swift-stdlib-execution
// RUN: %target-run %t/swift-stdlib-execution
// RUN: %target-interop-build-clangxx -std=gnu++20 -fobjc-arc -c %t/string-to-nsstring-one-arc-op.mm -I %t -Xclang -emit-llvm -S -o - -O1 | %FileCheck --check-prefix=CHECKARC %s
// REQUIRES: executable_test
// REQUIRES: objc_interop
//--- use_foundation.swift
import Foundation
//--- create_string.swift
@_expose(Cxx)
public func createString(_ ptr: UnsafePointer<CChar>) -> String {
return String(cString: ptr)
}
//--- string-to-nsstring-one-arc-op.mm
#include "StringCreator.h"
int main() {
using namespace swift;
auto emptyString = String::init();
NSString *nsStr = emptyString;
}
// CHECKARC: %[[VAL:.*]] = {{(tail )?}}call swiftcc ptr @"$sSS10FoundationE19_bridgeToObjectiveCSo8NSStringCyF"
// CHECKARC: call ptr @llvm.objc.autorelease(ptr %[[VAL]])
// CHECKARC: @llvm.objc.
// CHECKARC-SAME: autorelease(ptr
// CHECKARC-NOT: @llvm.objc.
//--- string-to-nsstring.mm
#include <cassert>
#include <string>
#include "StringCreator.h"
int main() {
using namespace swift;
auto emptyString = String::init();
{
NSString *nsStr = emptyString;
assert(std::string(nsStr.UTF8String) == "");
assert([nsStr isEqualToString:@""]);
}
auto aStr = StringCreator::createString("hello");
{
NSString *nsStr = aStr;
assert(std::string(nsStr.UTF8String) == "hello");
assert([nsStr isEqualToString:@"hello"]);
}
{
NSString *nsStr = @"nsstr";
auto str = String::init(nsStr);
NSString *nsStr2 = str;
assert(std::string(nsStr.UTF8String) == "nsstr");
assert([nsStr2 isEqualToString:nsStr]);
}
return 0;
}
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