| 1 | // vtest build: windows |
| 2 | type C.WCHAR = u16 |
| 3 | type C.PWSTR = &C.WCHAR |
| 4 | type C.DWORD = u32 |
| 5 | |
| 6 | struct WideAliasHolder { |
| 7 | mut: |
| 8 | ptr C.PWSTR |
| 9 | } |
| 10 | |
| 11 | struct ShareModeHolder { |
| 12 | mut: |
| 13 | mode C.DWORD |
| 14 | } |
| 15 | |
| 16 | fn accept_wide_ptr(ptr C.PWSTR) string { |
| 17 | return unsafe { string_from_wide(&u16(ptr)) } |
| 18 | } |
| 19 | |
| 20 | fn accept_share_mode(mode C.DWORD) u32 { |
| 21 | return u32(mode) |
| 22 | } |
| 23 | |
| 24 | fn test_nested_c_alias_types_are_structurally_compatible() { |
| 25 | wide := 'example.txt'.to_wide() |
| 26 | assert accept_wide_ptr(wide) == 'example.txt' |
| 27 | |
| 28 | mut wide_holder := WideAliasHolder{ |
| 29 | ptr: C.PWSTR(unsafe { nil }) |
| 30 | } |
| 31 | wide_holder.ptr = wide |
| 32 | assert unsafe { string_from_wide(&u16(wide_holder.ptr)) } == 'example.txt' |
| 33 | |
| 34 | mode := u32(0x40000000) |
| 35 | assert accept_share_mode(mode) == mode |
| 36 | |
| 37 | mut mode_holder := ShareModeHolder{} |
| 38 | mode_holder.mode = mode |
| 39 | assert u32(mode_holder.mode) == mode |
| 40 | |
| 41 | mode_holder = ShareModeHolder{ |
| 42 | mode: mode |
| 43 | } |
| 44 | assert u32(mode_holder.mode) == mode |
| 45 | } |
| 46 | |