fn testRelativePosix(from: []const u8, to: []const u8, expected_output: []const u8) !void from: []const u8to: []const u8expected_output: []const u81805
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1809fn testRelativePosix(from: []const u8, to: []const u8, expected_output: []const u8) !void {
const result = try relativePosix(testing.allocator, ".", from, to);
defer testing.allocator.free(result);
try testing.expectEqualStrings(expected_output, result);
}