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[Interop] [SwiftToCxx] New Throw Error Test #59217

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Merged
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Jun 3, 2022
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[Interop] [SwiftToCxx] New Throw Error Test #59217

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27 changes: 27 additions & 0 deletions test/Interop/SwiftToCxx/functions/swift-functions-errors-execution.cpp
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// RUN: %empty-directory(%t)

// RUN: %target-swift-frontend %S/swift-functions-errors.swift -typecheck -module-name Functions -clang-header-expose-public-decls -emit-clang-header-path %t/functions.h

// RUN: %target-interop-build-clangxx -c %s -I %t -o %t/swift-functions-errors-execution.o
// RUN: %target-interop-build-swift %S/swift-functions-errors.swift -o %t/swift-functions-errors-execution -Xlinker %t/swift-functions-errors-execution.o -module-name Functions -Xfrontend -entry-point-function-name -Xfrontend swiftMain

// RUN: %target-codesign %t/swift-functions-errors-execution
// RUN: %target-run %t/swift-functions-errors-execution | %FileCheck %s

// REQUIRES: executable_test
// XFAIL: *

#include <cassert>
#include "functions.h"

int main() {
static_assert(!noexcept(Functions::emptyThrowFunction()), "noexcept function");
static_assert(!noexcept(Functions::throwFunction()), "noexcept function");

Functions::emptyThrowFunction();
Functions::throwFunction();
return 0;
}

// CHECK: passEmptyThrowFunction
// CHECK-NEXT: passThrowFunction
36 changes: 36 additions & 0 deletions test/Interop/SwiftToCxx/functions/swift-functions-errors.swift
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// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend %s -typecheck -module-name Functions -clang-header-expose-public-decls -emit-clang-header-path %t/functions.h
// RUN: %FileCheck %s < %t/functions.h

// RUN: %check-interop-cxx-header-in-clang(%t/functions.h)

// CHECK-LABEL: namespace Functions {

// CHECK-LABEL: namespace _impl {

// CHECK: SWIFT_EXTERN void $s9Functions18emptyThrowFunctionyyKF(void) SWIFT_CALL; // emptyThrowFunction()
// CHECK: SWIFT_EXTERN void $s9Functions13throwFunctionyyKF(void) SWIFT_CALL; // throwFunction()

// CHECK: }

//XFAIL: *

enum NaiveErrors: Error {
case returnError
case throwError
}

public func emptyThrowFunction() throws { print("passEmptyThrowFunction") }

// CHECK: inline void emptyThrowFunction() {
// CHECK: return _impl::$s9Functions18emptyThrowFunctionyyKF();
// CHECK: }

public func throwFunction() throws {
print("passThrowFunction")
throw NaiveErrors.throwError
}

// CHECK: inline void throwFunction() {
// CHECK: return _impl::$s9Functions13throwFunctionyyKF();
// CHECK: }