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-rw-r--r--third_party/rust/serde_cbor/tests/de.rs747
1 files changed, 747 insertions, 0 deletions
diff --git a/third_party/rust/serde_cbor/tests/de.rs b/third_party/rust/serde_cbor/tests/de.rs
new file mode 100644
index 0000000000..01d7914502
--- /dev/null
+++ b/third_party/rust/serde_cbor/tests/de.rs
@@ -0,0 +1,747 @@
+#[macro_use]
+extern crate serde_derive;
+
+use serde_cbor;
+use serde_cbor::de;
+
+#[test]
+fn test_str() {
+ let s: &str =
+ de::from_slice_with_scratch(&[0x66, 0x66, 0x6f, 0x6f, 0x62, 0x61, 0x72], &mut []).unwrap();
+ assert_eq!(s, "foobar");
+}
+
+#[test]
+fn test_bytes() {
+ let s: &[u8] =
+ de::from_slice_with_scratch(&[0x46, 0x66, 0x6f, 0x6f, 0x62, 0x61, 0x72], &mut []).unwrap();
+ assert_eq!(s, b"foobar");
+}
+
+#[test]
+fn test_int() {
+ let num: i64 = de::from_slice_with_scratch(&[0x39, 0x07, 0xde], &mut []).unwrap();
+ assert_eq!(num, -2015);
+}
+
+#[test]
+fn test_float() {
+ let float: f64 = de::from_slice_with_scratch(b"\xfa\x47\xc3\x50\x00", &mut []).unwrap();
+ assert_eq!(float, 100000.0);
+}
+
+#[test]
+fn test_indefinite_object() {
+ #[derive(Debug, Deserialize, PartialEq)]
+ struct Foo {
+ a: u64,
+ b: [u64; 2],
+ }
+ let expected = Foo { a: 1, b: [2, 3] };
+ let actual: Foo =
+ de::from_slice_with_scratch(b"\xbfaa\x01ab\x9f\x02\x03\xff\xff", &mut []).unwrap();
+ assert_eq!(expected, actual);
+}
+
+#[cfg(feature = "std")]
+mod std_tests {
+ use std::collections::BTreeMap;
+
+ use serde::de as serde_de;
+ use serde_cbor::value::Value;
+ use serde_cbor::{de, error, to_vec, Deserializer};
+
+ #[test]
+ fn test_string1() {
+ let value: error::Result<Value> =
+ de::from_slice(&[0x66, 0x66, 0x6f, 0x6f, 0x62, 0x61, 0x72]);
+ assert_eq!(value.unwrap(), Value::Text("foobar".to_owned()));
+ }
+
+ #[test]
+ fn test_string2() {
+ let value: error::Result<Value> = de::from_slice(&[
+ 0x71, 0x49, 0x20, 0x6d, 0x65, 0x74, 0x20, 0x61, 0x20, 0x74, 0x72, 0x61, 0x76, 0x65,
+ 0x6c, 0x6c, 0x65, 0x72,
+ ]);
+ assert_eq!(value.unwrap(), Value::Text("I met a traveller".to_owned()));
+ }
+
+ #[test]
+ fn test_string3() {
+ let slice = b"\x78\x2fI met a traveller from an antique land who said";
+ let value: error::Result<Value> = de::from_slice(slice);
+ assert_eq!(
+ value.unwrap(),
+ Value::Text("I met a traveller from an antique land who said".to_owned())
+ );
+ }
+
+ #[test]
+ fn test_byte_string() {
+ let value: error::Result<Value> =
+ de::from_slice(&[0x46, 0x66, 0x6f, 0x6f, 0x62, 0x61, 0x72]);
+ assert_eq!(value.unwrap(), Value::Bytes(b"foobar".to_vec()));
+ }
+
+ #[test]
+ fn test_numbers1() {
+ let value: error::Result<Value> = de::from_slice(&[0x00]);
+ assert_eq!(value.unwrap(), Value::Integer(0));
+ }
+
+ #[test]
+ fn test_numbers2() {
+ let value: error::Result<Value> = de::from_slice(&[0x1a, 0x00, 0xbc, 0x61, 0x4e]);
+ assert_eq!(value.unwrap(), Value::Integer(12345678));
+ }
+
+ #[test]
+ fn test_numbers3() {
+ let value: error::Result<Value> = de::from_slice(&[0x39, 0x07, 0xde]);
+ assert_eq!(value.unwrap(), Value::Integer(-2015));
+ }
+
+ #[test]
+ fn test_bool() {
+ let value: error::Result<Value> = de::from_slice(b"\xf4");
+ assert_eq!(value.unwrap(), Value::Bool(false));
+ }
+
+ #[test]
+ fn test_trailing_bytes() {
+ let value: error::Result<Value> = de::from_slice(b"\xf4trailing");
+ assert!(value.is_err());
+ }
+
+ #[test]
+ fn test_list1() {
+ let value: error::Result<Value> = de::from_slice(b"\x83\x01\x02\x03");
+ assert_eq!(
+ value.unwrap(),
+ Value::Array(vec![
+ Value::Integer(1),
+ Value::Integer(2),
+ Value::Integer(3)
+ ])
+ );
+ }
+
+ #[test]
+ fn test_list2() {
+ let value: error::Result<Value> = de::from_slice(b"\x82\x01\x82\x02\x81\x03");
+ assert_eq!(
+ value.unwrap(),
+ Value::Array(vec![
+ Value::Integer(1),
+ Value::Array(vec![
+ Value::Integer(2),
+ Value::Array(vec![Value::Integer(3)])
+ ])
+ ])
+ );
+ }
+
+ #[test]
+ fn test_object() {
+ let value: error::Result<Value> = de::from_slice(b"\xa5aaaAabaBacaCadaDaeaE");
+ let mut object = BTreeMap::new();
+ object.insert(Value::Text("a".to_owned()), Value::Text("A".to_owned()));
+ object.insert(Value::Text("b".to_owned()), Value::Text("B".to_owned()));
+ object.insert(Value::Text("c".to_owned()), Value::Text("C".to_owned()));
+ object.insert(Value::Text("d".to_owned()), Value::Text("D".to_owned()));
+ object.insert(Value::Text("e".to_owned()), Value::Text("E".to_owned()));
+ assert_eq!(value.unwrap(), Value::Map(object));
+ }
+
+ #[test]
+ fn test_indefinite_object() {
+ let value: error::Result<Value> = de::from_slice(b"\xbfaa\x01ab\x9f\x02\x03\xff\xff");
+ let mut object = BTreeMap::new();
+ object.insert(Value::Text("a".to_owned()), Value::Integer(1));
+ object.insert(
+ Value::Text("b".to_owned()),
+ Value::Array(vec![Value::Integer(2), Value::Integer(3)]),
+ );
+ assert_eq!(value.unwrap(), Value::Map(object));
+ }
+
+ #[test]
+ fn test_indefinite_list() {
+ let value: error::Result<Value> = de::from_slice(b"\x9f\x01\x02\x03\xff");
+ assert_eq!(
+ value.unwrap(),
+ Value::Array(vec![
+ Value::Integer(1),
+ Value::Integer(2),
+ Value::Integer(3)
+ ])
+ );
+ }
+
+ #[test]
+ fn test_indefinite_string() {
+ let value: error::Result<Value> =
+ de::from_slice(b"\x7f\x65Mary \x64Had \x62a \x67Little \x60\x64Lamb\xff");
+ assert_eq!(
+ value.unwrap(),
+ Value::Text("Mary Had a Little Lamb".to_owned())
+ );
+ }
+
+ #[test]
+ fn test_indefinite_byte_string() {
+ let value: error::Result<Value> = de::from_slice(b"\x5f\x42\x01\x23\x42\x45\x67\xff");
+ assert_eq!(value.unwrap(), Value::Bytes(b"\x01#Eg".to_vec()));
+ }
+
+ #[test]
+ fn test_multiple_indefinite_strings() {
+ let input = b"\x82\x7f\x65Mary \x64Had \x62a \x67Little \x60\x64Lamb\xff\x5f\x42\x01\x23\x42\x45\x67\xff";
+ _test_multiple_indefinite_strings(de::from_slice(input));
+ _test_multiple_indefinite_strings(de::from_mut_slice(input.to_vec().as_mut()));
+ let mut buf = [0u8; 64];
+ _test_multiple_indefinite_strings(de::from_slice_with_scratch(input, &mut buf));
+ }
+ fn _test_multiple_indefinite_strings(value: error::Result<Value>) {
+ // This assures that buffer rewinding in infinite buffers works as intended.
+ assert_eq!(
+ value.unwrap(),
+ Value::Array(vec![
+ Value::Text("Mary Had a Little Lamb".to_owned()),
+ Value::Bytes(b"\x01#Eg".to_vec())
+ ])
+ );
+ }
+
+ #[test]
+ fn test_float() {
+ let value: error::Result<Value> = de::from_slice(b"\xfa\x47\xc3\x50\x00");
+ assert_eq!(value.unwrap(), Value::Float(100000.0));
+ }
+
+ #[test]
+ fn test_self_describing() {
+ let value: error::Result<Value> =
+ de::from_slice(&[0xd9, 0xd9, 0xf7, 0x66, 0x66, 0x6f, 0x6f, 0x62, 0x61, 0x72]);
+ let expected = Value::Text("foobar".to_owned());
+ let strip_tags = |x: Value| {
+ if let Value::Tag(_, inner) = x {
+ *inner
+ } else {
+ x
+ }
+ };
+ assert_eq!(strip_tags(value.unwrap()), expected);
+ }
+
+ #[test]
+ fn test_f16() {
+ let mut x: Value = de::from_slice(&[0xf9, 0x41, 0x00]).unwrap();
+ assert_eq!(x, Value::Float(2.5));
+ x = de::from_slice(&[0xf9, 0x41, 0x90]).unwrap();
+ assert_eq!(x, Value::Float(2.78125));
+ x = de::from_slice(&[0xf9, 0x50, 0x90]).unwrap();
+ assert_eq!(x, Value::Float(36.5));
+ x = de::from_slice(&[0xf9, 0xd0, 0x90]).unwrap();
+ assert_eq!(x, Value::Float(-36.5));
+ }
+
+ #[test]
+ fn test_crazy_list() {
+ let slice = b"\x88\x1b\x00\x00\x00\x1c\xbe\x99\x1d\xc7\x3b\x00\x7a\xcf\x51\xdc\x51\x70\xdb\x3a\x1b\x3a\x06\xdd\xf5\xf6\xf7\xfb\x41\x76\x5e\xb1\xf8\x00\x00\x00\xf9\x7c\x00";
+ let value: Vec<Value> = de::from_slice(slice).unwrap();
+ assert_eq!(
+ value,
+ vec![
+ Value::Integer(123456789959),
+ Value::Integer(-34567897654325468),
+ Value::Integer(-456787678),
+ Value::Bool(true),
+ Value::Null,
+ Value::Null,
+ Value::Float(23456543.5),
+ Value::Float(::std::f64::INFINITY)
+ ]
+ );
+ }
+
+ #[test]
+ fn test_nan() {
+ let value: f64 = de::from_slice(b"\xf9\x7e\x00").unwrap();
+ assert!(value.is_nan());
+ }
+
+ #[test]
+ fn test_32f16() {
+ let value: f32 = de::from_slice(b"\xf9\x50\x00").unwrap();
+ assert_eq!(value, 32.0f32);
+ }
+
+ #[test]
+ // The file was reported as not working by user kie0tauB
+ // but it parses to a cbor value.
+ fn test_kietaub_file() {
+ let file = include_bytes!("kietaub.cbor");
+ let value_result: error::Result<Value> = de::from_slice(file);
+ value_result.unwrap();
+ }
+
+ #[test]
+ fn test_option_roundtrip() {
+ let obj1 = Some(10u32);
+
+ let v = to_vec(&obj1).unwrap();
+ let obj2: Result<Option<u32>, _> = serde_cbor::de::from_reader(&v[..]);
+ println!("{:?}", obj2);
+
+ assert_eq!(obj1, obj2.unwrap());
+ }
+
+ #[test]
+ fn test_option_none_roundtrip() {
+ let obj1 = None;
+
+ let v = to_vec(&obj1).unwrap();
+ println!("{:?}", v);
+ let obj2: Result<Option<u32>, _> = serde_cbor::de::from_reader(&v[..]);
+
+ assert_eq!(obj1, obj2.unwrap());
+ }
+
+ #[test]
+ fn test_variable_length_map() {
+ let slice = b"\xbf\x67\x6d\x65\x73\x73\x61\x67\x65\x64\x70\x6f\x6e\x67\xff";
+ let value: Value = de::from_slice(slice).unwrap();
+ let mut map = BTreeMap::new();
+ map.insert(
+ Value::Text("message".to_string()),
+ Value::Text("pong".to_string()),
+ );
+ assert_eq!(value, Value::Map(map))
+ }
+
+ #[test]
+ fn test_object_determinism_roundtrip() {
+ let expected = b"\xa2aa\x01ab\x82\x02\x03";
+
+ // 0.1% chance of not catching failure
+ for _ in 0..10 {
+ assert_eq!(
+ &to_vec(&de::from_slice::<Value>(expected).unwrap()).unwrap(),
+ expected
+ );
+ }
+ }
+
+ #[test]
+ fn stream_deserializer() {
+ let slice = b"\x01\x66foobar";
+ let mut it = Deserializer::from_slice(slice).into_iter::<Value>();
+ assert_eq!(Value::Integer(1), it.next().unwrap().unwrap());
+ assert_eq!(
+ Value::Text("foobar".to_string()),
+ it.next().unwrap().unwrap()
+ );
+ assert!(it.next().is_none());
+ }
+
+ #[test]
+ fn stream_deserializer_eof() {
+ let slice = b"\x01\x66foob";
+ let mut it = Deserializer::from_slice(slice).into_iter::<Value>();
+ assert_eq!(Value::Integer(1), it.next().unwrap().unwrap());
+ assert!(it.next().unwrap().unwrap_err().is_eof());
+ }
+
+ #[test]
+ fn stream_deserializer_eof_in_indefinite() {
+ let slice = b"\x7f\x65Mary \x64Had \x62a \x60\x67Little \x60\x64Lamb\xff";
+ let indices: &[usize] = &[
+ 2, // announcement but no data
+ 10, // mid-buffer EOF
+ 12, // neither new element nor end marker
+ ];
+ for end_of_slice in indices {
+ let mut it = Deserializer::from_slice(&slice[..*end_of_slice]).into_iter::<Value>();
+ assert!(it.next().unwrap().unwrap_err().is_eof());
+
+ let mut mutcopy = slice[..*end_of_slice].to_vec();
+ let mut it = Deserializer::from_mut_slice(mutcopy.as_mut()).into_iter::<Value>();
+ assert!(it.next().unwrap().unwrap_err().is_eof());
+
+ let mut buf = [0u8; 64];
+ let mut it = Deserializer::from_slice_with_scratch(&slice[..*end_of_slice], &mut buf)
+ .into_iter::<Value>();
+ assert!(it.next().unwrap().unwrap_err().is_eof());
+ }
+ }
+
+ #[test]
+ fn crash() {
+ let file = include_bytes!("crash.cbor");
+ let value_result: error::Result<Value> = de::from_slice(file);
+ assert_eq!(
+ value_result.unwrap_err().classify(),
+ serde_cbor::error::Category::Syntax
+ );
+ }
+
+ fn from_slice_stream<'a, T>(slice: &'a [u8]) -> error::Result<(&'a [u8], T)>
+ where
+ T: serde_de::Deserialize<'a>,
+ {
+ let mut deserializer = Deserializer::from_slice(slice);
+ let value = serde_de::Deserialize::deserialize(&mut deserializer)?;
+ let rest = &slice[deserializer.byte_offset()..];
+
+ Ok((rest, value))
+ }
+
+ #[test]
+ fn test_slice_offset() {
+ let v: Vec<u8> = vec![
+ 0x66, 0x66, 0x6f, 0x6f, 0x62, 0x61, 0x72, 0x66, 0x66, 0x6f, 0x6f, 0x62, 0x61, 0x72,
+ ];
+ let (rest, value): (&[u8], String) = from_slice_stream(&v[..]).unwrap();
+ assert_eq!(value, "foobar");
+ assert_eq!(rest, &[0x66, 0x66, 0x6f, 0x6f, 0x62, 0x61, 0x72]);
+ let (rest, value): (&[u8], String) = from_slice_stream(rest).unwrap();
+ assert_eq!(value, "foobar");
+ assert_eq!(rest, &[]);
+ }
+
+ #[derive(Debug, Copy, Clone)]
+ struct Options {
+ standard: bool,
+ legacy: bool,
+ packed: bool,
+ named: bool,
+ }
+
+ impl Default for Options {
+ fn default() -> Self {
+ Options {
+ standard: true,
+ legacy: true,
+ packed: true,
+ named: true,
+ }
+ }
+ }
+
+ impl Options {
+ fn no_standard(self) -> Self {
+ Options {
+ standard: false,
+ ..self
+ }
+ }
+
+ fn no_legacy(self) -> Self {
+ Options {
+ legacy: false,
+ ..self
+ }
+ }
+
+ fn no_packed(self) -> Self {
+ Options {
+ packed: false,
+ ..self
+ }
+ }
+
+ fn no_named(self) -> Self {
+ Options {
+ named: false,
+ ..self
+ }
+ }
+ }
+
+ fn from_slice_stream_options<'a, T>(
+ slice: &'a [u8],
+ options: Options,
+ ) -> error::Result<(&'a [u8], T)>
+ where
+ T: serde_de::Deserialize<'a>,
+ {
+ let deserializer = Deserializer::from_slice(slice);
+ let deserializer = if !options.packed {
+ deserializer.disable_packed_format()
+ } else {
+ deserializer
+ };
+ let deserializer = if !options.named {
+ deserializer.disable_named_format()
+ } else {
+ deserializer
+ };
+ let deserializer = if !options.standard {
+ deserializer.disable_standard_enums()
+ } else {
+ deserializer
+ };
+ let mut deserializer = if !options.legacy {
+ deserializer.disable_legacy_enums()
+ } else {
+ deserializer
+ };
+ let value = serde_de::Deserialize::deserialize(&mut deserializer)?;
+ let rest = &slice[deserializer.byte_offset()..];
+
+ Ok((rest, value))
+ }
+
+ #[test]
+ fn test_deserializer_enums() {
+ #[derive(Debug, PartialEq, Deserialize)]
+ enum Enum {
+ Unit,
+ NewType(i32),
+ Tuple(String, bool),
+ Struct { x: i32, y: i32 },
+ }
+
+ // This is the format used in serde >= 0.10
+ //
+ // Serialization of Enum::NewType(10)
+ let v: Vec<u8> = vec![
+ 0xa1, // map 1pair
+ 0x67, 0x4e, 0x65, 0x77, 0x54, 0x79, 0x70, 0x65, // utf8 string: NewType
+ 0x1a, // u32
+ 0x00, 0x00, 0x00, 0x0a, // 10 (dec)
+ ];
+ let (_rest, value): (&[u8], Enum) = from_slice_stream(&v[..]).unwrap();
+ assert_eq!(value, Enum::NewType(10));
+ let (_rest, value): (&[u8], Enum) =
+ from_slice_stream_options(&v[..], Options::default().no_legacy()).unwrap();
+ assert_eq!(value, Enum::NewType(10));
+ let value: error::Result<(&[u8], Enum)> =
+ from_slice_stream_options(&v[..], Options::default().no_standard());
+ assert_eq!(
+ value.unwrap_err().classify(),
+ serde_cbor::error::Category::Syntax
+ );
+ let value: error::Result<(&[u8], Enum)> =
+ from_slice_stream_options(&v[..], Options::default().no_standard().no_legacy());
+ assert_eq!(
+ value.unwrap_err().classify(),
+ serde_cbor::error::Category::Syntax
+ );
+ // Serialization of Enum::Unit
+ let v: Vec<u8> = vec![
+ 0x64, 0x55, 0x6e, 0x69, 0x74, // utf8 string: Unit
+ ];
+ let (_rest, value): (&[u8], Enum) = from_slice_stream(&v[..]).unwrap();
+ assert_eq!(value, Enum::Unit);
+ let (_rest, value): (&[u8], Enum) =
+ from_slice_stream_options(&v[..], Options::default().no_legacy()).unwrap();
+ assert_eq!(value, Enum::Unit);
+ let (_rest, value): (&[u8], Enum) =
+ from_slice_stream_options(&v[..], Options::default().no_standard()).unwrap();
+ assert_eq!(value, Enum::Unit);
+ let value: error::Result<(&[u8], Enum)> =
+ from_slice_stream_options(&v[..], Options::default().no_legacy().no_standard());
+ assert_eq!(
+ value.unwrap_err().classify(),
+ serde_cbor::error::Category::Syntax
+ );
+
+ // This is the format used in serde <= 0.9
+ let v: Vec<u8> = vec![
+ 0x82, // array 2 items
+ 0x67, 0x4e, 0x65, 0x77, 0x54, 0x79, 0x70, 0x65, // utf8 string: NewType
+ 0x1a, // u32
+ 0x00, 0x00, 0x00, 0x0a, // 10 (dec)
+ ];
+ let (_rest, value): (&[u8], Enum) = from_slice_stream(&v[..]).unwrap();
+ assert_eq!(value, Enum::NewType(10));
+ let value: error::Result<(&[u8], Enum)> =
+ from_slice_stream_options(&v[..], Options::default().no_legacy());
+ assert_eq!(
+ value.unwrap_err().classify(),
+ serde_cbor::error::Category::Syntax
+ );
+ let value: error::Result<(&[u8], Enum)> =
+ from_slice_stream_options(&v[..], Options::default().no_standard());
+ assert_eq!(value.unwrap().1, Enum::NewType(10));
+ let value: error::Result<(&[u8], Enum)> =
+ from_slice_stream_options(&v[..], Options::default().no_standard().no_legacy());
+ assert_eq!(
+ value.unwrap_err().classify(),
+ serde_cbor::error::Category::Syntax
+ );
+ }
+
+ #[test]
+ fn test_packed_deserialization() {
+ #[derive(Debug, PartialEq, Deserialize)]
+ struct User {
+ user_id: u32,
+ password_hash: [u8; 4],
+ }
+
+ // unpacked
+ let v: Vec<u8> = vec![
+ 0xa2, // map 2pair
+ 0x67, 0x75, 0x73, 0x65, 0x72, 0x5f, 0x69, 0x64, // utf8 string: user_id
+ 0x0a, // integer: 10
+ // utf8 string: password_hash
+ 0x6d, 0x70, 0x61, 0x73, 0x73, 0x77, 0x6f, 0x72, 0x64, 0x5f, 0x68, 0x61, 0x73, 0x68,
+ 0x84, 0x01, 0x02, 0x03, 0x04, // 4 byte array [1, 2, 3, 4]
+ ];
+
+ let (_rest, value): (&[u8], User) = from_slice_stream(&v[..]).unwrap();
+ assert_eq!(
+ value,
+ User {
+ user_id: 10,
+ password_hash: [1, 2, 3, 4],
+ }
+ );
+ let (_rest, value): (&[u8], User) =
+ from_slice_stream_options(&v[..], Options::default().no_packed()).unwrap();
+ assert_eq!(
+ value,
+ User {
+ user_id: 10,
+ password_hash: [1, 2, 3, 4],
+ }
+ );
+ let value: error::Result<(&[u8], User)> =
+ from_slice_stream_options(&v[..], Options::default().no_named());
+ assert_eq!(
+ value.unwrap_err().classify(),
+ serde_cbor::error::Category::Syntax
+ );
+
+ // unpacked - indefinite length
+ let v: Vec<u8> = vec![
+ 0xbf, // map to be followed by a break
+ 0x67, 0x75, 0x73, 0x65, 0x72, 0x5f, 0x69, 0x64, // utf8 string: user_id
+ 0x0a, // integer: 10
+ // utf8 string: password_hash
+ 0x6d, 0x70, 0x61, 0x73, 0x73, 0x77, 0x6f, 0x72, 0x64, 0x5f, 0x68, 0x61, 0x73, 0x68,
+ 0x84, 0x01, 0x02, 0x03, 0x04, // 4 byte array [1, 2, 3, 4]
+ 0xff, // break
+ ];
+
+ let (_rest, value): (&[u8], User) = from_slice_stream(&v[..]).unwrap();
+ assert_eq!(
+ value,
+ User {
+ user_id: 10,
+ password_hash: [1, 2, 3, 4],
+ }
+ );
+ let (_rest, value): (&[u8], User) =
+ from_slice_stream_options(&v[..], Options::default().no_packed()).unwrap();
+ assert_eq!(
+ value,
+ User {
+ user_id: 10,
+ password_hash: [1, 2, 3, 4],
+ }
+ );
+ let value: error::Result<(&[u8], User)> =
+ from_slice_stream_options(&v[..], Options::default().no_named());
+ assert_eq!(
+ value.unwrap_err().classify(),
+ serde_cbor::error::Category::Syntax
+ );
+
+ // packed
+ let v: Vec<u8> = vec![
+ 0xa2, // map 2pair
+ 0x00, // index 0
+ 0x0a, // integer: 10
+ 0x01, // index 1
+ 0x84, 0x01, 0x02, 0x03, 0x04, // 4 byte array [1, 2, 3, 4]
+ ];
+
+ let (_rest, value): (&[u8], User) = from_slice_stream(&v[..]).unwrap();
+ assert_eq!(
+ value,
+ User {
+ user_id: 10,
+ password_hash: [1, 2, 3, 4],
+ }
+ );
+ let (_rest, value): (&[u8], User) =
+ from_slice_stream_options(&v[..], Options::default().no_named()).unwrap();
+ assert_eq!(
+ value,
+ User {
+ user_id: 10,
+ password_hash: [1, 2, 3, 4],
+ }
+ );
+ let value: error::Result<(&[u8], User)> =
+ from_slice_stream_options(&v[..], Options::default().no_packed());
+ assert_eq!(
+ value.unwrap_err().classify(),
+ serde_cbor::error::Category::Syntax
+ );
+
+ // packed - indefinite length
+ let v: Vec<u8> = vec![
+ 0xbf, // map, to be followed by a break
+ 0x00, // index 0
+ 0x0a, // integer: 10
+ 0x01, // index 1
+ 0x84, 0x01, 0x02, 0x03, 0x04, // 4 byte array [1, 2, 3, 4]
+ 0xff, // break
+ ];
+
+ let (_rest, value): (&[u8], User) = from_slice_stream(&v[..]).unwrap();
+ assert_eq!(
+ value,
+ User {
+ user_id: 10,
+ password_hash: [1, 2, 3, 4],
+ }
+ );
+ let (_rest, value): (&[u8], User) =
+ from_slice_stream_options(&v[..], Options::default().no_named()).unwrap();
+ assert_eq!(
+ value,
+ User {
+ user_id: 10,
+ password_hash: [1, 2, 3, 4],
+ }
+ );
+ let value: error::Result<(&[u8], User)> =
+ from_slice_stream_options(&v[..], Options::default().no_packed());
+ assert_eq!(
+ value.unwrap_err().classify(),
+ serde_cbor::error::Category::Syntax
+ );
+ }
+
+ use serde_cbor::{de::from_slice, ser::to_vec_packed};
+ use std::net::{IpAddr, Ipv4Addr};
+ #[test]
+ fn test_ipaddr_deserialization() {
+ let ip = IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1));
+ let buf = to_vec_packed(&ip).unwrap();
+ let deserialized_ip = from_slice::<IpAddr>(&buf).unwrap();
+ assert_eq!(ip, deserialized_ip);
+
+ let buf = to_vec(&ip).unwrap();
+ let deserialized_ip = from_slice::<IpAddr>(&buf).unwrap();
+ assert_eq!(ip, deserialized_ip);
+ }
+
+ #[test]
+ fn attempt_stack_overflow() {
+ // Create a tag 17, followed by 999 more tag 17:
+ // 17(17(17(17(17(17(17(17(17(17(17(17(17(17(17(17(17(17(...
+ // This causes deep recursion in the decoder and may
+ // exhaust the stack and therfore result in a stack overflow.
+ let input = vec![0xd1; 1000];
+ let err = serde_cbor::from_slice::<serde_cbor::Value>(&input).expect_err("recursion limit");
+ assert!(err.is_syntax());
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 03:40:54 +0000