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// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend %S/small-enums-pass-return-in-cxx.swift -typecheck -module-name Enums -enable-experimental-cxx-interop -clang-header-expose-decls=has-expose-attr -emit-clang-header-path %t/enums.h
// RUN: %target-interop-build-clangxx -c %s -I %t -o %t/swift-enums-execution.o
// RUN: %target-interop-build-swift %S/small-enums-pass-return-in-cxx.swift -o %t/swift-enums-execution -Xlinker %t/swift-enums-execution.o -module-name Enums -Xfrontend -entry-point-function-name -Xfrontend swiftMain
// RUN: %target-codesign %t/swift-enums-execution
// RUN: %target-run %t/swift-enums-execution | %FileCheck %s
// REQUIRES: executable_test
#include <cassert>
#include <cstddef>
#include "enums.h"
#define MAX(a, b) ((a) >= (b) ? (a) : (b))
int main() {
using namespace Enums;
// sizeof(generated cxx class) = 1 + max(sizeof(case) for all cases) + padding
static_assert(sizeof(Tiny) == 1, "MemoryLayout<Tiny>.stride == 1");
static_assert(sizeof(Small) == 16, "MemoryLayout<Small>.stride == 16");
auto tiny = makeTiny(10);
printTiny(tiny);
// CHECK: Tiny.first
inoutTiny(tiny, -1);
printTiny(tiny);
// CHECK: Tiny.second
printTiny(passThroughTiny(tiny));
// CHECK: Tiny.second
auto small = makeSmall(-3);
printSmall(small);
// CHECK: Small.second(3.0)
inoutSmall(small, 100);
printSmall(small);
// CHECK: Small.first(100)
printSmall(passThroughSmall(small));
// CHECK: Small.first(100)
return 0;
}
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