// RUN: %empty-directory(%t) // RUN: split-file %s %t // RUN: %target-swift-frontend -typecheck %t/print-string.swift -typecheck -module-name Stringer -enable-experimental-cxx-interop -emit-clang-header-path %t/Stringer.h // RUN: %target-interop-build-clangxx -std=gnu++20 -c %t/string-conversions.cpp -I %t -o %t/swift-stdlib-execution.o // RUN: %target-build-swift %t/print-string.swift -o %t/swift-stdlib-execution -Xlinker %t/swift-stdlib-execution.o -module-name Stringer -Xfrontend -entry-point-function-name -Xfrontend swiftMain %target-cxx-lib // RUN: %target-codesign %t/swift-stdlib-execution // RUN: %target-run %t/swift-stdlib-execution | %FileCheck %s // REQUIRES: executable_test //--- print-string.swift @_expose(Cxx) public func printString(_ s: String) { print("'''\(s)'''") } //--- string-conversions.cpp #include #include "Stringer.h" int main() { using namespace Swift; using namespace Stringer; { auto s = String("hello world"); printString(s); } // CHECK: '''hello world''' { std::string str = "test std::string"; printString(str); } // CHECK-NEXT: '''test std::string''' return 0; }