#![allow(
clippy::approx_constant,
clippy::useless_vec,
clippy::len_zero,
clippy::unnecessary_cast,
clippy::redundant_closure,
clippy::too_many_arguments,
clippy::type_complexity,
clippy::needless_borrow,
clippy::enum_variant_names,
clippy::upper_case_acronyms,
clippy::inconsistent_digit_grouping,
clippy::unit_cmp,
clippy::assertions_on_constants,
clippy::iter_on_single_items,
clippy::expect_fun_call,
clippy::redundant_pattern_matching,
variant_size_differences,
clippy::absurd_extreme_comparisons,
clippy::nonminimal_bool,
clippy::for_kv_map,
clippy::needless_range_loop,
clippy::single_match,
clippy::collapsible_if,
clippy::needless_return,
clippy::redundant_clone,
clippy::map_entry,
clippy::match_single_binding,
clippy::bool_comparison,
clippy::derivable_impls,
clippy::manual_range_contains,
clippy::needless_borrows_for_generic_args,
clippy::manual_map,
clippy::vec_init_then_push,
clippy::identity_op,
clippy::manual_flatten,
clippy::single_char_pattern,
clippy::search_is_some,
clippy::option_map_unit_fn,
clippy::while_let_on_iterator,
clippy::clone_on_copy,
clippy::box_collection,
clippy::redundant_field_names,
clippy::ptr_arg,
clippy::large_enum_variant,
clippy::match_ref_pats,
clippy::needless_pass_by_value,
clippy::unused_unit,
clippy::let_and_return,
clippy::suspicious_else_formatting,
clippy::manual_strip,
clippy::match_like_matches_macro,
clippy::from_over_into,
clippy::wrong_self_convention,
clippy::inherent_to_string,
clippy::new_without_default,
clippy::unnecessary_wraps,
clippy::field_reassign_with_default,
clippy::manual_find,
clippy::unnecessary_lazy_evaluations,
clippy::should_implement_trait,
clippy::missing_safety_doc,
clippy::unusual_byte_groupings,
clippy::bool_assert_comparison,
clippy::zero_prefixed_literal,
clippy::await_holding_lock,
clippy::manual_saturating_arithmetic,
clippy::explicit_counter_loop,
clippy::needless_lifetimes,
clippy::single_component_path_imports,
clippy::uninlined_format_args,
clippy::iter_cloned_collect,
clippy::manual_str_repeat,
clippy::excessive_precision,
clippy::precedence,
clippy::unnecessary_literal_unwrap
)]
use oxicode::{
config, decode_from_slice, decode_from_slice_with_config, encode_to_vec,
encode_to_vec_with_config, Decode, Encode,
};
#[derive(Debug, PartialEq, Encode, Decode)]
enum Event {
Start,
Stop,
Data(Vec<u8>),
Named { id: u32, label: String },
}
#[derive(Debug, PartialEq, Encode, Decode)]
enum Shape {
Circle { radius: f64 },
Rectangle { w: f64, h: f64 },
Point,
}
#[derive(Debug, PartialEq, Encode, Decode)]
enum Command {
Quit,
Move { x: i32, y: i32 },
Write(String),
ChangeColor(u8, u8, u8),
}
#[derive(Debug, PartialEq, Encode, Decode)]
enum Status {
Ok,
Err(String),
Pending { reason: String, retry_in: u32 },
}
#[derive(Debug, PartialEq, Encode, Decode)]
enum Inner {
Leaf,
Value(u32),
}
#[derive(Debug, PartialEq, Encode, Decode)]
enum Container {
Empty,
Wrapped(Inner),
Tagged { tag: String, inner: Inner },
}
#[test]
fn test_event_start_roundtrip() {
let original = Event::Start;
let encoded = encode_to_vec(&original).expect("encode Event::Start");
let (decoded, _): (Event, usize) = decode_from_slice(&encoded).expect("decode Event::Start");
assert_eq!(original, decoded);
}
#[test]
fn test_event_stop_roundtrip() {
let original = Event::Stop;
let encoded = encode_to_vec(&original).expect("encode Event::Stop");
let (decoded, _): (Event, usize) = decode_from_slice(&encoded).expect("decode Event::Stop");
assert_eq!(original, decoded);
}
#[test]
fn test_event_data_roundtrip() {
let original = Event::Data(vec![1, 2, 3]);
let encoded = encode_to_vec(&original).expect("encode Event::Data");
let (decoded, _): (Event, usize) = decode_from_slice(&encoded).expect("decode Event::Data");
assert_eq!(original, decoded);
}
#[test]
fn test_event_named_roundtrip() {
let original = Event::Named {
id: 42,
label: "hello".to_string(),
};
let encoded = encode_to_vec(&original).expect("encode Event::Named");
let (decoded, _): (Event, usize) = decode_from_slice(&encoded).expect("decode Event::Named");
assert_eq!(original, decoded);
}
#[test]
fn test_shape_circle_roundtrip() {
let original = Shape::Circle {
radius: std::f64::consts::PI,
};
let encoded = encode_to_vec(&original).expect("encode Shape::Circle");
let (decoded, _): (Shape, usize) = decode_from_slice(&encoded).expect("decode Shape::Circle");
assert_eq!(original, decoded);
}
#[test]
fn test_shape_rectangle_roundtrip() {
let original = Shape::Rectangle { w: 10.0, h: 5.5 };
let encoded = encode_to_vec(&original).expect("encode Shape::Rectangle");
let (decoded, _): (Shape, usize) =
decode_from_slice(&encoded).expect("decode Shape::Rectangle");
assert_eq!(original, decoded);
}
#[test]
fn test_shape_point_roundtrip() {
let original = Shape::Point;
let encoded = encode_to_vec(&original).expect("encode Shape::Point");
let (decoded, _): (Shape, usize) = decode_from_slice(&encoded).expect("decode Shape::Point");
assert_eq!(original, decoded);
}
#[test]
fn test_different_variants_have_different_wire_bytes() {
let start_bytes = encode_to_vec(&Event::Start).expect("encode Event::Start");
let stop_bytes = encode_to_vec(&Event::Stop).expect("encode Event::Stop");
let data_bytes = encode_to_vec(&Event::Data(vec![])).expect("encode Event::Data");
let named_bytes = encode_to_vec(&Event::Named {
id: 0,
label: String::new(),
})
.expect("encode Event::Named");
assert_ne!(
start_bytes, stop_bytes,
"Start and Stop must have different wire bytes"
);
assert_ne!(
start_bytes, data_bytes,
"Start and Data must have different wire bytes"
);
assert_ne!(
start_bytes, named_bytes,
"Start and Named must have different wire bytes"
);
assert_ne!(
stop_bytes, data_bytes,
"Stop and Data must have different wire bytes"
);
}
#[test]
fn test_consumed_equals_encoded_len_for_all_event_variants() {
let variants = [
Event::Start,
Event::Stop,
Event::Data(vec![0xFF, 0x00]),
Event::Named {
id: 7,
label: "test".to_string(),
},
];
for variant in &variants {
let encoded = encode_to_vec(variant).expect("encode Event variant");
let (_, consumed): (Event, usize) =
decode_from_slice(&encoded).expect("decode Event variant");
assert_eq!(
consumed,
encoded.len(),
"all encoded bytes must be consumed for {:?}",
variant
);
}
}
#[test]
fn test_vec_event_all_variants_roundtrip() {
let original = vec![
Event::Start,
Event::Stop,
Event::Data(vec![10, 20, 30]),
Event::Named {
id: 99,
label: "batch".to_string(),
},
];
let encoded = encode_to_vec(&original).expect("encode Vec<Event>");
let (decoded, consumed): (Vec<Event>, usize) =
decode_from_slice(&encoded).expect("decode Vec<Event>");
assert_eq!(original, decoded);
assert_eq!(consumed, encoded.len());
}
#[test]
fn test_option_event_some_data_roundtrip() {
let original: Option<Event> = Some(Event::Data(vec![0xAB, 0xCD, 0xEF]));
let encoded = encode_to_vec(&original).expect("encode Option<Event> Some(Data)");
let (decoded, consumed): (Option<Event>, usize) =
decode_from_slice(&encoded).expect("decode Option<Event> Some(Data)");
assert_eq!(original, decoded);
assert_eq!(consumed, encoded.len());
}
#[test]
fn test_option_event_none_roundtrip() {
let original: Option<Event> = None;
let encoded = encode_to_vec(&original).expect("encode Option<Event> None");
let (decoded, consumed): (Option<Event>, usize) =
decode_from_slice(&encoded).expect("decode Option<Event> None");
assert_eq!(original, decoded);
assert_eq!(consumed, encoded.len());
}
#[test]
fn test_fixed_int_config_event_named_roundtrip() {
let original = Event::Named {
id: 1,
label: "x".to_string(),
};
let cfg = config::legacy();
let encoded = encode_to_vec_with_config(&original, cfg).expect("legacy encode Event::Named");
let (decoded, consumed): (Event, usize) =
decode_from_slice_with_config(&encoded, cfg).expect("legacy decode Event::Named");
assert_eq!(original, decoded);
assert_eq!(consumed, encoded.len());
}
#[test]
fn test_big_endian_config_shape_circle_roundtrip() {
let original = Shape::Circle {
radius: std::f64::consts::PI,
};
let cfg = config::standard().with_big_endian();
let encoded =
encode_to_vec_with_config(&original, cfg).expect("big-endian encode Shape::Circle");
let (decoded, consumed): (Shape, usize) =
decode_from_slice_with_config(&encoded, cfg).expect("big-endian decode Shape::Circle");
assert_eq!(original, decoded);
assert_eq!(consumed, encoded.len());
}
#[test]
fn test_command_quit_roundtrip() {
let original = Command::Quit;
let encoded = encode_to_vec(&original).expect("encode Command::Quit");
let (decoded, _): (Command, usize) = decode_from_slice(&encoded).expect("decode Command::Quit");
assert_eq!(original, decoded);
}
#[test]
fn test_command_move_roundtrip() {
let original = Command::Move { x: -5, y: 100 };
let encoded = encode_to_vec(&original).expect("encode Command::Move");
let (decoded, _): (Command, usize) = decode_from_slice(&encoded).expect("decode Command::Move");
assert_eq!(original, decoded);
}
#[test]
fn test_command_write_roundtrip() {
let original = Command::Write("hello world".to_string());
let encoded = encode_to_vec(&original).expect("encode Command::Write");
let (decoded, _): (Command, usize) =
decode_from_slice(&encoded).expect("decode Command::Write");
assert_eq!(original, decoded);
}
#[test]
fn test_command_change_color_roundtrip() {
let original = Command::ChangeColor(255, 128, 0);
let encoded = encode_to_vec(&original).expect("encode Command::ChangeColor");
let (decoded, _): (Command, usize) =
decode_from_slice(&encoded).expect("decode Command::ChangeColor");
assert_eq!(original, decoded);
}
#[test]
fn test_nested_enum_as_field_roundtrip() {
let cases = [
Container::Empty,
Container::Wrapped(Inner::Leaf),
Container::Wrapped(Inner::Value(42)),
Container::Tagged {
tag: "important".to_string(),
inner: Inner::Value(99),
},
];
for original in &cases {
let encoded = encode_to_vec(original).expect("encode Container variant");
let (decoded, consumed): (Container, usize) =
decode_from_slice(&encoded).expect("decode Container variant");
assert_eq!(original, &decoded);
assert_eq!(consumed, encoded.len());
}
}
#[test]
fn test_vec_command_all_variants_roundtrip() {
let original = vec![
Command::Quit,
Command::Move { x: 10, y: -3 },
Command::Write("oxicode".to_string()),
Command::ChangeColor(0, 255, 0),
Command::Move { x: 0, y: 0 },
Command::Write(String::new()),
];
let encoded = encode_to_vec(&original).expect("encode Vec<Command>");
let (decoded, consumed): (Vec<Command>, usize) =
decode_from_slice(&encoded).expect("decode Vec<Command>");
assert_eq!(original, decoded);
assert_eq!(consumed, encoded.len());
}
#[test]
fn test_first_variant_has_discriminant_zero() {
let quit_bytes = encode_to_vec(&Command::Quit).expect("encode Command::Quit");
assert_eq!(
quit_bytes.len(),
1,
"Command::Quit (first variant) must encode to exactly 1 byte"
);
assert_eq!(quit_bytes[0], 0u8, "Command::Quit discriminant must be 0");
let start_bytes = encode_to_vec(&Event::Start).expect("encode Event::Start");
assert_eq!(
start_bytes.len(),
1,
"Event::Start (first variant) must encode to exactly 1 byte"
);
assert_eq!(start_bytes[0], 0u8, "Event::Start discriminant must be 0");
let circle_bytes = encode_to_vec(&Shape::Circle { radius: 1.0 }).expect("encode Shape::Circle");
assert_eq!(
circle_bytes[0], 0u8,
"Shape::Circle (first variant) discriminant must be 0"
);
}
#[test]
fn test_status_all_variants_roundtrip() {
let cases = [
Status::Ok,
Status::Err("something went wrong".to_string()),
Status::Pending {
reason: "waiting for upstream".to_string(),
retry_in: 30,
},
];
for original in &cases {
let encoded = encode_to_vec(original).expect("encode Status variant");
let (decoded, consumed): (Status, usize) =
decode_from_slice(&encoded).expect("decode Status variant");
assert_eq!(original, &decoded);
assert_eq!(
consumed,
encoded.len(),
"all bytes must be consumed for {:?}",
original
);
}
}