Files
swift-mirror/test/Interop/Cxx/class/invalid-unsafe-projection-errors.swift

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1.9 KiB
Swift

// RUN: rm -rf %t
// RUN: split-file %s %t
// RUN: not %target-swift-frontend -typecheck -I %t/Inputs %t/test.swift -enable-experimental-cxx-interop 2>&1 | %FileCheck %s
//--- Inputs/module.modulemap
module Test {
header "test.h"
requires cplusplus
}
//--- Inputs/test.h
struct Ptr { int *p; };
struct __attribute__((swift_attr("import_owned"))) StirngLiteral { const char *name; };
struct M {
int *_Nonnull test1() const;
int &test2() const;
Ptr test3() const;
int *begin() const;
StirngLiteral stringLiteral() const { return StirngLiteral{"M"}; }
};
//--- test.swift
import Test
public func test(x: M) {
// CHECK: note: C++ method 'test1' that returns a pointer of type 'UnsafeMutablePointer' is unavailable.
// CHECK: note: C++ method 'test1' may return an interior pointer.
// CHECK: note: Mark method 'test1' as 'safe_to_import' in C++ to make it available in Swift.
x.test1()
// CHECK: note: C++ method 'test2' that returns a reference of type 'UnsafeMutablePointer' is unavailable.
// CHECK: note: C++ method 'test2' may return an interior pointer.
// CHECK: note: Mark method 'test2' as 'safe_to_import' in C++ to make it available in Swift.
x.test2()
// CHECK: note: C++ method 'test3' that returns a value of type 'Ptr' is unavailable.
// CHECK: note: C++ method 'test3' may return an interior pointer.
// CHECK: note: Mark method 'test3' as 'safe_to_import' in C++ to make it available in Swift.
// CHECK: note: Mark type 'Ptr' as 'self_contained' in C++ to make methods that use it available in Swift.
x.test3()
// CHECK: note: C++ method 'begin' that returns an iterator is unavailable
// CHECK: note: C++ methods that return iterators are potentially unsafe. Try re-writing to use Swift iterator APIs.
x.begin()
// CHECK-NOT: error: value of type 'M' has no member 'stringLiteral'
x.stringLiteral()
}