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[cxx-interop] Add test for move-only non-escapable types #82625

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Merged
merged 1 commit into from
Jul 1, 2025
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[cxx-interop] Add test for move-only non-escapable types #82625

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19 changes: 19 additions & 0 deletions test/Interop/Cxx/class/nonescapable-lifetimebound.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -115,6 +115,20 @@ namespace NS {
}
}

struct SWIFT_NONCOPYABLE SWIFT_NONESCAPABLE MoveOnly {
MoveOnly();
MoveOnly(const MoveOnly& other) = delete;
MoveOnly& operator=(const MoveOnly&) = delete;
MoveOnly(MoveOnly&& other) = default;
MoveOnly& operator=(MoveOnly&& other) = default;
~MoveOnly();

private:
int *i;
};

MoveOnly moveOnlyId(const MoveOnly& p [[clang::lifetimebound]]);

// CHECK: sil [clang makeOwner] {{.*}}: $@convention(c) () -> Owner
// CHECK: sil [clang getView] {{.*}} : $@convention(c) (@in_guaranteed Owner) -> @lifetime(borrow 0) @owned View
// CHECK: sil [clang getViewFromFirst] {{.*}} : $@convention(c) (@in_guaranteed Owner, @in_guaranteed Owner) -> @lifetime(borrow 0) @owned View
Expand All @@ -130,6 +144,7 @@ namespace NS {
// CHECK: sil [clang CaptureView.captureView] {{.*}} : $@convention(cxx_method) (View, @lifetime(copy 0) @inout CaptureView) -> ()
// CHECK: sil [clang CaptureView.handOut] {{.*}} : $@convention(cxx_method) (@lifetime(copy 1) @inout View, @in_guaranteed CaptureView) -> ()
// CHECK: sil [clang NS.getView] {{.*}} : $@convention(c) (@in_guaranteed Owner) -> @lifetime(borrow 0) @owned View
// CHECK: sil [clang moveOnlyId] {{.*}} : $@convention(c) (@in_guaranteed MoveOnly) -> @lifetime(borrow {{.*}}0) @out MoveOnly

//--- test.swift

Expand Down Expand Up @@ -157,3 +172,7 @@ public func test() {
public func test2(_ x: AggregateView) {
let _ = AggregateView(member: x.member)
}

func canImportMoveOnlyNonEscapable(_ x: borrowing MoveOnly) {
let _ = moveOnlyId(x);
}