diff options
| -rw-r--r-- | lib/std/os/windows.zig | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/lib/std/os/windows.zig b/lib/std/os/windows.zig index 2a103bdd64..b489dbaf5d 100644 --- a/lib/std/os/windows.zig +++ b/lib/std/os/windows.zig @@ -1146,6 +1146,30 @@ pub fn GetFinalPathNameByHandle( } } +test "GetFinalPathNameByHandle" { + if (comptime builtin.os.tag != .windows) + return; + + //any file will do + const file = try std.fs.openSelfExe(.{}); + defer file.close(); + const handle = file.handle; + //make this large enough for the test runner exe path + var buffer = std.mem.zeroes([1 << 10]u16); + + //check with sufficient size + const nt_length = (try GetFinalPathNameByHandle(handle, .{ .volume_name = .Nt }, buffer[0..])).len; + const dos_length = (try GetFinalPathNameByHandle(handle, .{ .volume_name = .Dos }, buffer[0..])).len; + + //check with insufficient size + std.testing.expectError(error.NameTooLong, GetFinalPathNameByHandle(handle, .{ .volume_name = .Nt }, buffer[0 .. nt_length - 1])); + std.testing.expectError(error.NameTooLong, GetFinalPathNameByHandle(handle, .{ .volume_name = .Dos }, buffer[0 .. dos_length - 1])); + + //check with exactly-sufficient size + _ = try GetFinalPathNameByHandle(handle, .{ .volume_name = .Nt }, buffer[0..nt_length]); + _ = try GetFinalPathNameByHandle(handle, .{ .volume_name = .Dos }, buffer[0..dos_length]); +} + pub const QueryInformationFileError = error{Unexpected}; pub fn QueryInformationFile( |