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Diffstat (limited to 'vendor/serde_json/tests/test.rs')
| -rw-r--r-- | vendor/serde_json/tests/test.rs | 2505 |
1 files changed, 0 insertions, 2505 deletions
diff --git a/vendor/serde_json/tests/test.rs b/vendor/serde_json/tests/test.rs deleted file mode 100644 index 05b7f86..0000000 --- a/vendor/serde_json/tests/test.rs +++ /dev/null @@ -1,2505 +0,0 @@ -#![cfg(not(feature = "preserve_order"))] -#![allow( - clippy::assertions_on_result_states, - clippy::cast_precision_loss, - clippy::derive_partial_eq_without_eq, - clippy::excessive_precision, - clippy::float_cmp, - clippy::items_after_statements, - clippy::let_underscore_untyped, - clippy::shadow_unrelated, - clippy::too_many_lines, - clippy::unreadable_literal, - clippy::unseparated_literal_suffix, - clippy::vec_init_then_push, - clippy::zero_sized_map_values -)] - -#[macro_use] -mod macros; - -#[cfg(feature = "raw_value")] -use ref_cast::RefCast; -use serde::de::{self, IgnoredAny, IntoDeserializer}; -use serde::ser::{self, SerializeMap, SerializeSeq, Serializer}; -use serde::{Deserialize, Serialize}; -use serde_bytes::{ByteBuf, Bytes}; -#[cfg(feature = "raw_value")] -use serde_json::value::RawValue; -use serde_json::{ - from_reader, from_slice, from_str, from_value, json, to_string, to_string_pretty, to_value, - to_vec, Deserializer, Number, Value, -}; -use std::collections::BTreeMap; -#[cfg(feature = "raw_value")] -use std::collections::HashMap; -use std::fmt::{self, Debug}; -use std::hash::BuildHasher; -#[cfg(feature = "raw_value")] -use std::hash::{Hash, Hasher}; -use std::io; -use std::iter; -use std::marker::PhantomData; -use std::mem; -use std::str::FromStr; -use std::string::ToString; -use std::{f32, f64}; -use std::{i16, i32, i64, i8}; -use std::{u16, u32, u64, u8}; - -macro_rules! treemap { - () => { - BTreeMap::new() - }; - ($($k:expr => $v:expr),+ $(,)?) => { - { - let mut m = BTreeMap::new(); - $( - m.insert($k, $v); - )+ - m - } - }; -} - -#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)] -#[serde(deny_unknown_fields)] -enum Animal { - Dog, - Frog(String, Vec<isize>), - Cat { age: usize, name: String }, - AntHive(Vec<String>), -} - -#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)] -struct Inner { - a: (), - b: usize, - c: Vec<String>, -} - -#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)] -struct Outer { - inner: Vec<Inner>, -} - -fn test_encode_ok<T>(errors: &[(T, &str)]) -where - T: PartialEq + Debug + ser::Serialize, -{ - for &(ref value, out) in errors { - let out = out.to_string(); - - let s = to_string(value).unwrap(); - assert_eq!(s, out); - - let v = to_value(value).unwrap(); - let s = to_string(&v).unwrap(); - assert_eq!(s, out); - } -} - -fn test_pretty_encode_ok<T>(errors: &[(T, &str)]) -where - T: PartialEq + Debug + ser::Serialize, -{ - for &(ref value, out) in errors { - let out = out.to_string(); - - let s = to_string_pretty(value).unwrap(); - assert_eq!(s, out); - - let v = to_value(value).unwrap(); - let s = to_string_pretty(&v).unwrap(); - assert_eq!(s, out); - } -} - -#[test] -fn test_write_null() { - let tests = &[((), "null")]; - test_encode_ok(tests); - test_pretty_encode_ok(tests); -} - -#[test] -fn test_write_u64() { - let tests = &[(3u64, "3"), (u64::MAX, &u64::MAX.to_string())]; - test_encode_ok(tests); - test_pretty_encode_ok(tests); -} - -#[test] -fn test_write_i64() { - let tests = &[ - (3i64, "3"), - (-2i64, "-2"), - (-1234i64, "-1234"), - (i64::MIN, &i64::MIN.to_string()), - ]; - test_encode_ok(tests); - test_pretty_encode_ok(tests); -} - -#[test] -fn test_write_f64() { - let tests = &[ - (3.0, "3.0"), - (3.1, "3.1"), - (-1.5, "-1.5"), - (0.5, "0.5"), - (f64::MIN, "-1.7976931348623157e308"), - (f64::MAX, "1.7976931348623157e308"), - (f64::EPSILON, "2.220446049250313e-16"), - ]; - test_encode_ok(tests); - test_pretty_encode_ok(tests); -} - -#[test] -fn test_encode_nonfinite_float_yields_null() { - let v = to_value(::std::f64::NAN.copysign(1.0)).unwrap(); - assert!(v.is_null()); - - let v = to_value(::std::f64::NAN.copysign(-1.0)).unwrap(); - assert!(v.is_null()); - - let v = to_value(::std::f64::INFINITY).unwrap(); - assert!(v.is_null()); - - let v = to_value(-::std::f64::INFINITY).unwrap(); - assert!(v.is_null()); - - let v = to_value(::std::f32::NAN.copysign(1.0)).unwrap(); - assert!(v.is_null()); - - let v = to_value(::std::f32::NAN.copysign(-1.0)).unwrap(); - assert!(v.is_null()); - - let v = to_value(::std::f32::INFINITY).unwrap(); - assert!(v.is_null()); - - let v = to_value(-::std::f32::INFINITY).unwrap(); - assert!(v.is_null()); -} - -#[test] -fn test_write_str() { - let tests = &[("", "\"\""), ("foo", "\"foo\"")]; - test_encode_ok(tests); - test_pretty_encode_ok(tests); -} - -#[test] -fn test_write_bool() { - let tests = &[(true, "true"), (false, "false")]; - test_encode_ok(tests); - test_pretty_encode_ok(tests); -} - -#[test] -fn test_write_char() { - let tests = &[ - ('n', "\"n\""), - ('"', "\"\\\"\""), - ('\\', "\"\\\\\""), - ('/', "\"/\""), - ('\x08', "\"\\b\""), - ('\x0C', "\"\\f\""), - ('\n', "\"\\n\""), - ('\r', "\"\\r\""), - ('\t', "\"\\t\""), - ('\x0B', "\"\\u000b\""), - ('\u{3A3}', "\"\u{3A3}\""), - ]; - test_encode_ok(tests); - test_pretty_encode_ok(tests); -} - -#[test] -fn test_write_list() { - test_encode_ok(&[ - (vec![], "[]"), - (vec![true], "[true]"), - (vec![true, false], "[true,false]"), - ]); - - test_encode_ok(&[ - (vec![vec![], vec![], vec![]], "[[],[],[]]"), - (vec![vec![1, 2, 3], vec![], vec![]], "[[1,2,3],[],[]]"), - (vec![vec![], vec![1, 2, 3], vec![]], "[[],[1,2,3],[]]"), - (vec![vec![], vec![], vec![1, 2, 3]], "[[],[],[1,2,3]]"), - ]); - - test_pretty_encode_ok(&[ - (vec![vec![], vec![], vec![]], pretty_str!([[], [], []])), - ( - vec![vec![1, 2, 3], vec![], vec![]], - pretty_str!([[1, 2, 3], [], []]), - ), - ( - vec![vec![], vec![1, 2, 3], vec![]], - pretty_str!([[], [1, 2, 3], []]), - ), - ( - vec![vec![], vec![], vec![1, 2, 3]], - pretty_str!([[], [], [1, 2, 3]]), - ), - ]); - - test_pretty_encode_ok(&[ - (vec![], "[]"), - (vec![true], pretty_str!([true])), - (vec![true, false], pretty_str!([true, false])), - ]); - - let long_test_list = json!([false, null, ["foo\nbar", 3.5]]); - - test_encode_ok(&[( - long_test_list.clone(), - json_str!([false, null, ["foo\nbar", 3.5]]), - )]); - - test_pretty_encode_ok(&[( - long_test_list, - pretty_str!([false, null, ["foo\nbar", 3.5]]), - )]); -} - -#[test] -fn test_write_object() { - test_encode_ok(&[ - (treemap!(), "{}"), - (treemap!("a".to_string() => true), "{\"a\":true}"), - ( - treemap!( - "a".to_string() => true, - "b".to_string() => false, - ), - "{\"a\":true,\"b\":false}", - ), - ]); - - test_encode_ok(&[ - ( - treemap![ - "a".to_string() => treemap![], - "b".to_string() => treemap![], - "c".to_string() => treemap![], - ], - "{\"a\":{},\"b\":{},\"c\":{}}", - ), - ( - treemap![ - "a".to_string() => treemap![ - "a".to_string() => treemap!["a" => vec![1,2,3]], - "b".to_string() => treemap![], - "c".to_string() => treemap![], - ], - "b".to_string() => treemap![], - "c".to_string() => treemap![], - ], - "{\"a\":{\"a\":{\"a\":[1,2,3]},\"b\":{},\"c\":{}},\"b\":{},\"c\":{}}", - ), - ( - treemap![ - "a".to_string() => treemap![], - "b".to_string() => treemap![ - "a".to_string() => treemap!["a" => vec![1,2,3]], - "b".to_string() => treemap![], - "c".to_string() => treemap![], - ], - "c".to_string() => treemap![], - ], - "{\"a\":{},\"b\":{\"a\":{\"a\":[1,2,3]},\"b\":{},\"c\":{}},\"c\":{}}", - ), - ( - treemap![ - "a".to_string() => treemap![], - "b".to_string() => treemap![], - "c".to_string() => treemap![ - "a".to_string() => treemap!["a" => vec![1,2,3]], - "b".to_string() => treemap![], - "c".to_string() => treemap![], - ], - ], - "{\"a\":{},\"b\":{},\"c\":{\"a\":{\"a\":[1,2,3]},\"b\":{},\"c\":{}}}", - ), - ]); - - test_encode_ok(&[(treemap!['c' => ()], "{\"c\":null}")]); - - test_pretty_encode_ok(&[ - ( - treemap![ - "a".to_string() => treemap![], - "b".to_string() => treemap![], - "c".to_string() => treemap![], - ], - pretty_str!({ - "a": {}, - "b": {}, - "c": {} - }), - ), - ( - treemap![ - "a".to_string() => treemap![ - "a".to_string() => treemap!["a" => vec![1,2,3]], - "b".to_string() => treemap![], - "c".to_string() => treemap![], - ], - "b".to_string() => treemap![], - "c".to_string() => treemap![], - ], - pretty_str!({ - "a": { - "a": { - "a": [ - 1, - 2, - 3 - ] - }, - "b": {}, - "c": {} - }, - "b": {}, - "c": {} - }), - ), - ( - treemap![ - "a".to_string() => treemap![], - "b".to_string() => treemap![ - "a".to_string() => treemap!["a" => vec![1,2,3]], - "b".to_string() => treemap![], - "c".to_string() => treemap![], - ], - "c".to_string() => treemap![], - ], - pretty_str!({ - "a": {}, - "b": { - "a": { - "a": [ - 1, - 2, - 3 - ] - }, - "b": {}, - "c": {} - }, - "c": {} - }), - ), - ( - treemap![ - "a".to_string() => treemap![], - "b".to_string() => treemap![], - "c".to_string() => treemap![ - "a".to_string() => treemap!["a" => vec![1,2,3]], - "b".to_string() => treemap![], - "c".to_string() => treemap![], - ], - ], - pretty_str!({ - "a": {}, - "b": {}, - "c": { - "a": { - "a": [ - 1, - 2, - 3 - ] - }, - "b": {}, - "c": {} - } - }), - ), - ]); - - test_pretty_encode_ok(&[ - (treemap!(), "{}"), - ( - treemap!("a".to_string() => true), - pretty_str!({ - "a": true - }), - ), - ( - treemap!( - "a".to_string() => true, - "b".to_string() => false, - ), - pretty_str!( { - "a": true, - "b": false - }), - ), - ]); - - let complex_obj = json!({ - "b": [ - {"c": "\x0c\x1f\r"}, - {"d": ""} - ] - }); - - test_encode_ok(&[( - complex_obj.clone(), - json_str!({ - "b": [ - { - "c": (r#""\f\u001f\r""#) - }, - { - "d": "" - } - ] - }), - )]); - - test_pretty_encode_ok(&[( - complex_obj, - pretty_str!({ - "b": [ - { - "c": (r#""\f\u001f\r""#) - }, - { - "d": "" - } - ] - }), - )]); -} - -#[test] -fn test_write_tuple() { - test_encode_ok(&[((5,), "[5]")]); - - test_pretty_encode_ok(&[((5,), pretty_str!([5]))]); - - test_encode_ok(&[((5, (6, "abc")), "[5,[6,\"abc\"]]")]); - - test_pretty_encode_ok(&[((5, (6, "abc")), pretty_str!([5, [6, "abc"]]))]); -} - -#[test] -fn test_write_enum() { - test_encode_ok(&[ - (Animal::Dog, "\"Dog\""), - ( - Animal::Frog("Henry".to_string(), vec![]), - "{\"Frog\":[\"Henry\",[]]}", - ), - ( - Animal::Frog("Henry".to_string(), vec![349]), - "{\"Frog\":[\"Henry\",[349]]}", - ), - ( - Animal::Frog("Henry".to_string(), vec![349, 102]), - "{\"Frog\":[\"Henry\",[349,102]]}", - ), - ( - Animal::Cat { - age: 5, - name: "Kate".to_string(), - }, - "{\"Cat\":{\"age\":5,\"name\":\"Kate\"}}", - ), - ( - Animal::AntHive(vec!["Bob".to_string(), "Stuart".to_string()]), - "{\"AntHive\":[\"Bob\",\"Stuart\"]}", - ), - ]); - - test_pretty_encode_ok(&[ - (Animal::Dog, "\"Dog\""), - ( - Animal::Frog("Henry".to_string(), vec![]), - pretty_str!({ - "Frog": [ - "Henry", - [] - ] - }), - ), - ( - Animal::Frog("Henry".to_string(), vec![349]), - pretty_str!({ - "Frog": [ - "Henry", - [ - 349 - ] - ] - }), - ), - ( - Animal::Frog("Henry".to_string(), vec![349, 102]), - pretty_str!({ - "Frog": [ - "Henry", - [ - 349, - 102 - ] - ] - }), - ), - ]); -} - -#[test] -fn test_write_option() { - test_encode_ok(&[(None, "null"), (Some("jodhpurs"), "\"jodhpurs\"")]); - - test_encode_ok(&[ - (None, "null"), - (Some(vec!["foo", "bar"]), "[\"foo\",\"bar\"]"), - ]); - - test_pretty_encode_ok(&[(None, "null"), (Some("jodhpurs"), "\"jodhpurs\"")]); - - test_pretty_encode_ok(&[ - (None, "null"), - (Some(vec!["foo", "bar"]), pretty_str!(["foo", "bar"])), - ]); -} - -#[test] -fn test_write_newtype_struct() { - #[derive(Serialize, PartialEq, Debug)] - struct Newtype(BTreeMap<String, i32>); - - let inner = Newtype(treemap!(String::from("inner") => 123)); - let outer = treemap!(String::from("outer") => to_value(&inner).unwrap()); - - test_encode_ok(&[(inner, r#"{"inner":123}"#)]); - - test_encode_ok(&[(outer, r#"{"outer":{"inner":123}}"#)]); -} - -#[test] -fn test_deserialize_number_to_untagged_enum() { - #[derive(Eq, PartialEq, Deserialize, Debug)] - #[serde(untagged)] - enum E { - N(i64), - } - - assert_eq!(E::N(0), E::deserialize(Number::from(0)).unwrap()); -} - -fn test_parse_ok<T>(tests: Vec<(&str, T)>) -where - T: Clone + Debug + PartialEq + ser::Serialize + de::DeserializeOwned, -{ - for (s, value) in tests { - let v: T = from_str(s).unwrap(); - assert_eq!(v, value.clone()); - - let v: T = from_slice(s.as_bytes()).unwrap(); - assert_eq!(v, value.clone()); - - // Make sure we can deserialize into a `Value`. - let json_value: Value = from_str(s).unwrap(); - assert_eq!(json_value, to_value(&value).unwrap()); - - // Make sure we can deserialize from a `&Value`. - let v = T::deserialize(&json_value).unwrap(); - assert_eq!(v, value); - - // Make sure we can deserialize from a `Value`. - let v: T = from_value(json_value.clone()).unwrap(); - assert_eq!(v, value); - - // Make sure we can round trip back to `Value`. - let json_value2: Value = from_value(json_value.clone()).unwrap(); - assert_eq!(json_value2, json_value); - - // Make sure we can fully ignore. - let twoline = s.to_owned() + "\n3735928559"; - let mut de = Deserializer::from_str(&twoline); - IgnoredAny::deserialize(&mut de).unwrap(); - assert_eq!(0xDEAD_BEEF, u64::deserialize(&mut de).unwrap()); - - // Make sure every prefix is an EOF error, except that a prefix of a - // number may be a valid number. - if !json_value.is_number() { - for (i, _) in s.trim_end().char_indices() { - assert!(from_str::<Value>(&s[..i]).unwrap_err().is_eof()); - assert!(from_str::<IgnoredAny>(&s[..i]).unwrap_err().is_eof()); - } - } - } -} - -// For testing representations that the deserializer accepts but the serializer -// never generates. These do not survive a round-trip through Value. -fn test_parse_unusual_ok<T>(tests: Vec<(&str, T)>) -where - T: Clone + Debug + PartialEq + ser::Serialize + de::DeserializeOwned, -{ - for (s, value) in tests { - let v: T = from_str(s).unwrap(); - assert_eq!(v, value.clone()); - - let v: T = from_slice(s.as_bytes()).unwrap(); - assert_eq!(v, value.clone()); - } -} - -macro_rules! test_parse_err { - ($name:ident::<$($ty:ty),*>($arg:expr) => $expected:expr) => { - let actual = $name::<$($ty),*>($arg).unwrap_err().to_string(); - assert_eq!(actual, $expected, "unexpected {} error", stringify!($name)); - }; -} - -fn test_parse_err<T>(errors: &[(&str, &'static str)]) -where - T: Debug + PartialEq + de::DeserializeOwned, -{ - for &(s, err) in errors { - test_parse_err!(from_str::<T>(s) => err); - test_parse_err!(from_slice::<T>(s.as_bytes()) => err); - } -} - -fn test_parse_slice_err<T>(errors: &[(&[u8], &'static str)]) -where - T: Debug + PartialEq + de::DeserializeOwned, -{ - for &(s, err) in errors { - test_parse_err!(from_slice::<T>(s) => err); - } -} - -fn test_fromstr_parse_err<T>(errors: &[(&str, &'static str)]) -where - T: Debug + PartialEq + FromStr, - <T as FromStr>::Err: ToString, -{ - for &(s, err) in errors { - let actual = s.parse::<T>().unwrap_err().to_string(); - assert_eq!(actual, err, "unexpected parsing error"); - } -} - -#[test] -fn test_parse_null() { - test_parse_err::<()>(&[ - ("n", "EOF while parsing a value at line 1 column 1"), - ("nul", "EOF while parsing a value at line 1 column 3"), - ("nulla", "trailing characters at line 1 column 5"), - ]); - - test_parse_ok(vec![("null", ())]); -} - -#[test] -fn test_parse_bool() { - test_parse_err::<bool>(&[ - ("t", "EOF while parsing a value at line 1 column 1"), - ("truz", "expected ident at line 1 column 4"), - ("f", "EOF while parsing a value at line 1 column 1"), - ("faz", "expected ident at line 1 column 3"), - ("truea", "trailing characters at line 1 column 5"), - ("falsea", "trailing characters at line 1 column 6"), - ]); - - test_parse_ok(vec![ - ("true", true), - (" true ", true), - ("false", false), - (" false ", false), - ]); -} - -#[test] -fn test_parse_char() { - test_parse_err::<char>(&[ - ( - "\"ab\"", - "invalid value: string \"ab\", expected a character at line 1 column 4", - ), - ( - "10", - "invalid type: integer `10`, expected a character at line 1 column 2", - ), - ]); - - test_parse_ok(vec![ - ("\"n\"", 'n'), - ("\"\\\"\"", '"'), - ("\"\\\\\"", '\\'), - ("\"/\"", '/'), - ("\"\\b\"", '\x08'), - ("\"\\f\"", '\x0C'), - ("\"\\n\"", '\n'), - ("\"\\r\"", '\r'), - ("\"\\t\"", '\t'), - ("\"\\u000b\"", '\x0B'), - ("\"\\u000B\"", '\x0B'), - ("\"\u{3A3}\"", '\u{3A3}'), - ]); -} - -#[test] -fn test_parse_number_errors() { - test_parse_err::<f64>(&[ - ("+", "expected value at line 1 column 1"), - (".", "expected value at line 1 column 1"), - ("-", "EOF while parsing a value at line 1 column 1"), - ("00", "invalid number at line 1 column 2"), - ("0x80", "trailing characters at line 1 column 2"), - ("\\0", "expected value at line 1 column 1"), - (".0", "expected value at line 1 column 1"), - ("0.", "EOF while parsing a value at line 1 column 2"), - ("1.", "EOF while parsing a value at line 1 column 2"), - ("1.a", "invalid number at line 1 column 3"), - ("1.e1", "invalid number at line 1 column 3"), - ("1e", "EOF while parsing a value at line 1 column 2"), - ("1e+", "EOF while parsing a value at line 1 column 3"), - ("1a", "trailing characters at line 1 column 2"), - ( - "100e777777777777777777777777777", - "number out of range at line 1 column 14", - ), - ( - "-100e777777777777777777777777777", - "number out of range at line 1 column 15", - ), - ( - "1000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - 000000000", // 1e309 - "number out of range at line 1 column 310", - ), - ( - "1000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - .0e9", // 1e309 - "number out of range at line 1 column 305", - ), - ( - "1000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - e9", // 1e309 - "number out of range at line 1 column 303", - ), - ]); -} - -#[test] -fn test_parse_i64() { - test_parse_ok(vec![ - ("-2", -2), - ("-1234", -1234), - (" -1234 ", -1234), - (&i64::MIN.to_string(), i64::MIN), - (&i64::MAX.to_string(), i64::MAX), - ]); -} - -#[test] -fn test_parse_u64() { - test_parse_ok(vec![ - ("0", 0u64), - ("3", 3u64), - ("1234", 1234), - (&u64::MAX.to_string(), u64::MAX), - ]); -} - -#[test] -fn test_parse_negative_zero() { - for negative_zero in &[ - "-0", - "-0.0", - "-0e2", - "-0.0e2", - "-1e-400", - "-1e-4000000000000000000000000000000000000000000000000", - ] { - assert!( - from_str::<f32>(negative_zero).unwrap().is_sign_negative(), - "should have been negative: {:?}", - negative_zero, - ); - assert!( - from_str::<f64>(negative_zero).unwrap().is_sign_negative(), - "should have been negative: {:?}", - negative_zero, - ); - } -} - -#[test] -fn test_parse_f64() { - test_parse_ok(vec![ - ("0.0", 0.0f64), - ("3.0", 3.0f64), - ("3.1", 3.1), - ("-1.2", -1.2), - ("0.4", 0.4), - // Edge case from: - // https://github.com/serde-rs/json/issues/536#issuecomment-583714900 - ("2.638344616030823e-256", 2.638344616030823e-256), - ]); - - #[cfg(not(feature = "arbitrary_precision"))] - test_parse_ok(vec![ - // With arbitrary-precision enabled, this parses as Number{"3.00"} - // but the float is Number{"3.0"} - ("3.00", 3.0f64), - ("0.4e5", 0.4e5), - ("0.4e+5", 0.4e5), - ("0.4e15", 0.4e15), - ("0.4e+15", 0.4e15), - ("0.4e-01", 0.4e-1), - (" 0.4e-01 ", 0.4e-1), - ("0.4e-001", 0.4e-1), - ("0.4e-0", 0.4e0), - ("0.00e00", 0.0), - ("0.00e+00", 0.0), - ("0.00e-00", 0.0), - ("3.5E-2147483647", 0.0), - ("0.0100000000000000000001", 0.01), - ( - &format!("{}", (i64::MIN as f64) - 1.0), - (i64::MIN as f64) - 1.0, - ), - ( - &format!("{}", (u64::MAX as f64) + 1.0), - (u64::MAX as f64) + 1.0, - ), - (&format!("{}", f64::EPSILON), f64::EPSILON), - ( - "0.0000000000000000000000000000000000000000000000000123e50", - 1.23, - ), - ("100e-777777777777777777777777777", 0.0), - ( - "1010101010101010101010101010101010101010", - 10101010101010101010e20, - ), - ( - "0.1010101010101010101010101010101010101010", - 0.1010101010101010101, - ), - ("0e1000000000000000000000000000000000000000000000", 0.0), - ( - "1000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - 00000000", - 1e308, - ), - ( - "1000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - .0e8", - 1e308, - ), - ( - "1000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - e8", - 1e308, - ), - ( - "1000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000000000000000000000000000000000000000000000\ - 000000000000000000e-10", - 1e308, - ), - ]); -} - -#[test] -fn test_value_as_f64() { - let v = serde_json::from_str::<Value>("1e1000"); - - #[cfg(not(feature = "arbitrary_precision"))] - assert!(v.is_err()); - - #[cfg(feature = "arbitrary_precision")] - assert_eq!(v.unwrap().as_f64(), None); -} - -// Test roundtrip with some values that were not perfectly roundtripped by the -// old f64 deserializer. -#[cfg(feature = "float_roundtrip")] -#[test] -fn test_roundtrip_f64() { - for &float in &[ - // Samples from quickcheck-ing roundtrip with `input: f64`. Comments - // indicate the value returned by the old deserializer. - 51.24817837550540_4, // 51.2481783755054_1 - -93.3113703768803_3, // -93.3113703768803_2 - -36.5739948427534_36, // -36.5739948427534_4 - 52.31400820410624_4, // 52.31400820410624_ - 97.4536532003468_5, // 97.4536532003468_4 - // Samples from `rng.next_u64` + `f64::from_bits` + `is_finite` filter. - 2.0030397744267762e-253, - 7.101215824554616e260, - 1.769268377902049e74, - -1.6727517818542075e58, - 3.9287532173373315e299, - ] { - let json = serde_json::to_string(&float).unwrap(); - let output: f64 = serde_json::from_str(&json).unwrap(); - assert_eq!(float, output); - } -} - -#[test] -fn test_roundtrip_f32() { - // This number has 1 ULP error if parsed via f64 and converted to f32. - // https://github.com/serde-rs/json/pull/671#issuecomment-628534468 - let float = 7.038531e-26; - let json = serde_json::to_string(&float).unwrap(); - let output: f32 = serde_json::from_str(&json).unwrap(); - assert_eq!(float, output); -} - -#[test] -fn test_serialize_char() { - let value = json!( - ({ - let mut map = BTreeMap::new(); - map.insert('c', ()); - map - }) - ); - assert_eq!(&Value::Null, value.get("c").unwrap()); -} - -#[cfg(feature = "arbitrary_precision")] -#[test] -fn test_malicious_number() { - #[derive(Serialize)] - #[serde(rename = "$serde_json::private::Number")] - struct S { - #[serde(rename = "$serde_json::private::Number")] - f: &'static str, - } - - let actual = serde_json::to_value(&S { f: "not a number" }) - .unwrap_err() - .to_string(); - assert_eq!(actual, "invalid number at line 1 column 1"); -} - -#[test] -fn test_parse_number() { - test_parse_ok(vec![ - ("0.0", Number::from_f64(0.0f64).unwrap()), - ("3.0", Number::from_f64(3.0f64).unwrap()), - ("3.1", Number::from_f64(3.1).unwrap()), - ("-1.2", Number::from_f64(-1.2).unwrap()), - ("0.4", Number::from_f64(0.4).unwrap()), - ]); - - test_fromstr_parse_err::<Number>(&[ - (" 1.0", "invalid number at line 1 column 1"), - ("1.0 ", "invalid number at line 1 column 4"), - ("\t1.0", "invalid number at line 1 column 1"), - ("1.0\t", "invalid number at line 1 column 4"), - ]); - - #[cfg(feature = "arbitrary_precision")] - test_parse_ok(vec![ - ("1e999", Number::from_string_unchecked("1e999".to_owned())), - ("1e+999", Number::from_string_unchecked("1e+999".to_owned())), - ("-1e999", Number::from_string_unchecked("-1e999".to_owned())), - ("1e-999", Number::from_string_unchecked("1e-999".to_owned())), - ("1E999", Number::from_string_unchecked("1E999".to_owned())), - ("1E+999", Number::from_string_unchecked("1E+999".to_owned())), - ("-1E999", Number::from_string_unchecked("-1E999".to_owned())), - ("1E-999", Number::from_string_unchecked("1E-999".to_owned())), - ("1E+000", Number::from_string_unchecked("1E+000".to_owned())), - ( - "2.3e999", - Number::from_string_unchecked("2.3e999".to_owned()), - ), - ( - "-2.3e999", - Number::from_string_unchecked("-2.3e999".to_owned()), - ), - ]); -} - -#[test] -fn test_parse_string() { - test_parse_err::<String>(&[ - ("\"", "EOF while parsing a string at line 1 column 1"), - ("\"lol", "EOF while parsing a string at line 1 column 4"), - ("\"lol\"a", "trailing characters at line 1 column 6"), - ( - "\"\\uD83C\\uFFFF\"", - "lone leading surrogate in hex escape at line 1 column 13", - ), - ( - "\"\n\"", - "control character (\\u0000-\\u001F) found while parsing a string at line 2 column 0", - ), - ( - "\"\x1F\"", - "control character (\\u0000-\\u001F) found while parsing a string at line 1 column 2", - ), - ]); - - test_parse_slice_err::<String>(&[ - ( - &[b'"', 159, 146, 150, b'"'], - "invalid unicode code point at line 1 column 5", - ), - ( - &[b'"', b'\\', b'n', 159, 146, 150, b'"'], - "invalid unicode code point at line 1 column 7", - ), - ( - &[b'"', b'\\', b'u', 48, 48, 51], - "EOF while parsing a string at line 1 column 6", - ), - ( - &[b'"', b'\\', b'u', 250, 48, 51, 48, b'"'], - "invalid escape at line 1 column 4", - ), - ( - &[b'"', b'\\', b'u', 48, 250, 51, 48, b'"'], - "invalid escape at line 1 column 5", - ), - ( - &[b'"', b'\\', b'u', 48, 48, 250, 48, b'"'], - "invalid escape at line 1 column 6", - ), - ( - &[b'"', b'\\', b'u', 48, 48, 51, 250, b'"'], - "invalid escape at line 1 column 7", - ), - ( - &[b'"', b'\n', b'"'], - "control character (\\u0000-\\u001F) found while parsing a string at line 2 column 0", - ), - ( - &[b'"', b'\x1F', b'"'], - "control character (\\u0000-\\u001F) found while parsing a string at line 1 column 2", - ), - ]); - - test_parse_ok(vec![ - ("\"\"", String::new()), - ("\"foo\"", "foo".to_string()), - (" \"foo\" ", "foo".to_string()), - ("\"\\\"\"", "\"".to_string()), - ("\"\\b\"", "\x08".to_string()), - ("\"\\n\"", "\n".to_string()), - ("\"\\r\"", "\r".to_string()), - ("\"\\t\"", "\t".to_string()), - ("\"\\u12ab\"", "\u{12ab}".to_string()), - ("\"\\uAB12\"", "\u{AB12}".to_string()), - ("\"\\uD83C\\uDF95\"", "\u{1F395}".to_string()), - ]); -} - -#[test] -fn test_parse_list() { - test_parse_err::<Vec<f64>>(&[ - ("[", "EOF while parsing a list at line 1 column 1"), - ("[ ", "EOF while parsing a list at line 1 column 2"), - ("[1", "EOF while parsing a list at line 1 column 2"), - ("[1,", "EOF while parsing a value at line 1 column 3"), - ("[1,]", "trailing comma at line 1 column 4"), - ("[1 2]", "expected `,` or `]` at line 1 column 4"), - ("[]a", "trailing characters at line 1 column 3"), - ]); - - test_parse_ok(vec![ - ("[]", vec![]), - ("[ ]", vec![]), - ("[null]", vec![()]), - (" [ null ] ", vec![()]), - ]); - - test_parse_ok(vec![("[true]", vec![true])]); - - test_parse_ok(vec![("[3,1]", vec![3u64, 1]), (" [ 3 , 1 ] ", vec![3, 1])]); - - test_parse_ok(vec![("[[3], [1, 2]]", vec![vec![3u64], vec![1, 2]])]); - - test_parse_ok(vec![("[1]", (1u64,))]); - - test_parse_ok(vec![("[1, 2]", (1u64, 2u64))]); - - test_parse_ok(vec![("[1, 2, 3]", (1u64, 2u64, 3u64))]); - - test_parse_ok(vec![("[1, [2, 3]]", (1u64, (2u64, 3u64)))]); -} - -#[test] -fn test_parse_object() { - test_parse_err::<BTreeMap<String, u32>>(&[ - ("{", "EOF while parsing an object at line 1 column 1"), - ("{ ", "EOF while parsing an object at line 1 column 2"), - ("{1", "key must be a string at line 1 column 2"), - ("{ \"a\"", "EOF while parsing an object at line 1 column 5"), - ("{\"a\"", "EOF while parsing an object at line 1 column 4"), - ("{\"a\" ", "EOF while parsing an object at line 1 column 5"), - ("{\"a\" 1", "expected `:` at line 1 column 6"), - ("{\"a\":", "EOF while parsing a value at line 1 column 5"), - ("{\"a\":1", "EOF while parsing an object at line 1 column 6"), - ("{\"a\":1 1", "expected `,` or `}` at line 1 column 8"), - ("{\"a\":1,", "EOF while parsing a value at line 1 column 7"), - ("{}a", "trailing characters at line 1 column 3"), - ]); - - test_parse_ok(vec![ - ("{}", treemap!()), - ("{ }", treemap!()), - ("{\"a\":3}", treemap!("a".to_string() => 3u64)), - ("{ \"a\" : 3 }", treemap!("a".to_string() => 3)), - ( - "{\"a\":3,\"b\":4}", - treemap!("a".to_string() => 3, "b".to_string() => 4), - ), - ( - " { \"a\" : 3 , \"b\" : 4 } ", - treemap!("a".to_string() => 3, "b".to_string() => 4), - ), - ]); - - test_parse_ok(vec![( - "{\"a\": {\"b\": 3, \"c\": 4}}", - treemap!( - "a".to_string() => treemap!( - "b".to_string() => 3u64, - "c".to_string() => 4, - ), - ), - )]); - - test_parse_ok(vec![("{\"c\":null}", treemap!('c' => ()))]); -} - -#[test] -fn test_parse_struct() { - test_parse_err::<Outer>(&[ - ( - "5", - "invalid type: integer `5`, expected struct Outer at line 1 column 1", - ), - ( - "\"hello\"", - "invalid type: string \"hello\", expected struct Outer at line 1 column 7", - ), - ( - "{\"inner\": true}", - "invalid type: boolean `true`, expected a sequence at line 1 column 14", - ), - ("{}", "missing field `inner` at line 1 column 2"), - ( - r#"{"inner": [{"b": 42, "c": []}]}"#, - "missing field `a` at line 1 column 29", - ), - ]); - - test_parse_ok(vec![ - ( - "{ - \"inner\": [] - }", - Outer { inner: vec![] }, - ), - ( - "{ - \"inner\": [ - { \"a\": null, \"b\": 2, \"c\": [\"abc\", \"xyz\"] } - ] - }", - Outer { - inner: vec![Inner { - a: (), - b: 2, - c: vec!["abc".to_string(), "xyz".to_string()], - }], - }, - ), - ]); - - let v: Outer = from_str( - "[ - [ - [ null, 2, [\"abc\", \"xyz\"] ] - ] - ]", - ) - .unwrap(); - - assert_eq!( - v, - Outer { - inner: vec![Inner { - a: (), - b: 2, - c: vec!["abc".to_string(), "xyz".to_string()], - }], - } - ); - - let j = json!([null, 2, []]); - Inner::deserialize(&j).unwrap(); - Inner::deserialize(j).unwrap(); -} - -#[test] -fn test_parse_option() { - test_parse_ok(vec![ - ("null", None::<String>), - ("\"jodhpurs\"", Some("jodhpurs".to_string())), - ]); - - #[derive(Clone, Debug, PartialEq, Serialize, Deserialize)] - struct Foo { - x: Option<isize>, - } - - let value: Foo = from_str("{}").unwrap(); - assert_eq!(value, Foo { x: None }); - - test_parse_ok(vec![ - ("{\"x\": null}", Foo { x: None }), - ("{\"x\": 5}", Foo { x: Some(5) }), - ]); -} - -#[test] -fn test_parse_enum_errors() { - test_parse_err::<Animal>( - &[ - ("{}", "expected value at line 1 column 2"), - ("[]", "expected value at line 1 column 1"), - ("\"unknown\"", - "unknown variant `unknown`, expected one of `Dog`, `Frog`, `Cat`, `AntHive` at line 1 column 9"), - ("{\"unknown\":null}", - "unknown variant `unknown`, expected one of `Dog`, `Frog`, `Cat`, `AntHive` at line 1 column 10"), - ("{\"Dog\":", "EOF while parsing a value at line 1 column 7"), - ("{\"Dog\":}", "expected value at line 1 column 8"), - ("{\"Dog\":{}}", "invalid type: map, expected unit at line 1 column 7"), - ("\"Frog\"", "invalid type: unit variant, expected tuple variant"), - ("\"Frog\" 0 ", "invalid type: unit variant, expected tuple variant"), - ("{\"Frog\":{}}", - "invalid type: map, expected tuple variant Animal::Frog at line 1 column 8"), - ("{\"Cat\":[]}", "invalid length 0, expected struct variant Animal::Cat with 2 elements at line 1 column 9"), - ("{\"Cat\":[0]}", "invalid length 1, expected struct variant Animal::Cat with 2 elements at line 1 column 10"), - ("{\"Cat\":[0, \"\", 2]}", "trailing characters at line 1 column 16"), - ("{\"Cat\":{\"age\": 5, \"name\": \"Kate\", \"foo\":\"bar\"}", - "unknown field `foo`, expected `age` or `name` at line 1 column 39"), - - // JSON does not allow trailing commas in data structures - ("{\"Cat\":[0, \"Kate\",]}", "trailing comma at line 1 column 19"), - ("{\"Cat\":{\"age\": 2, \"name\": \"Kate\",}}", - "trailing comma at line 1 column 34"), - ], - ); -} - -#[test] -fn test_parse_enum() { - test_parse_ok(vec![ - ("\"Dog\"", Animal::Dog), - (" \"Dog\" ", Animal::Dog), - ( - "{\"Frog\":[\"Henry\",[]]}", - Animal::Frog("Henry".to_string(), vec![]), - ), - ( - " { \"Frog\": [ \"Henry\" , [ 349, 102 ] ] } ", - Animal::Frog("Henry".to_string(), vec![349, 102]), - ), - ( - "{\"Cat\": {\"age\": 5, \"name\": \"Kate\"}}", - Animal::Cat { - age: 5, - name: "Kate".to_string(), - }, - ), - ( - " { \"Cat\" : { \"age\" : 5 , \"name\" : \"Kate\" } } ", - Animal::Cat { - age: 5, - name: "Kate".to_string(), - }, - ), - ( - " { \"AntHive\" : [\"Bob\", \"Stuart\"] } ", - Animal::AntHive(vec!["Bob".to_string(), "Stuart".to_string()]), - ), - ]); - - test_parse_unusual_ok(vec![ - ("{\"Dog\":null}", Animal::Dog), - (" { \"Dog\" : null } ", Animal::Dog), - ]); - - test_parse_ok(vec![( - concat!( - "{", - " \"a\": \"Dog\",", - " \"b\": {\"Frog\":[\"Henry\", []]}", - "}" - ), - treemap!( - "a".to_string() => Animal::Dog, - "b".to_string() => Animal::Frog("Henry".to_string(), vec![]), - ), - )]); -} - -#[test] -fn test_parse_trailing_whitespace() { - test_parse_ok(vec![ - ("[1, 2] ", vec![1u64, 2]), - ("[1, 2]\n", vec![1, 2]), - ("[1, 2]\t", vec![1, 2]), - ("[1, 2]\t \n", vec![1, 2]), - ]); -} - -#[test] -fn test_multiline_errors() { - test_parse_err::<BTreeMap<String, String>>(&[( - "{\n \"foo\":\n \"bar\"", - "EOF while parsing an object at line 3 column 6", - )]); -} - -#[test] -fn test_missing_option_field() { - #[derive(Debug, PartialEq, Deserialize)] - struct Foo { - x: Option<u32>, - } - - let value: Foo = from_str("{}").unwrap(); - assert_eq!(value, Foo { x: None }); - - let value: Foo = from_str("{\"x\": 5}").unwrap(); - assert_eq!(value, Foo { x: Some(5) }); - - let value: Foo = from_value(json!({})).unwrap(); - assert_eq!(value, Foo { x: None }); - - let value: Foo = from_value(json!({"x": 5})).unwrap(); - assert_eq!(value, Foo { x: Some(5) }); -} - -#[test] -fn test_missing_nonoption_field() { - #[derive(Debug, PartialEq, Deserialize)] - struct Foo { - x: u32, - } - - test_parse_err::<Foo>(&[("{}", "missing field `x` at line 1 column 2")]); -} - -#[test] -fn test_missing_renamed_field() { - #[derive(Debug, PartialEq, Deserialize)] - struct Foo { - #[serde(rename = "y")] - x: Option<u32>, - } - - let value: Foo = from_str("{}").unwrap(); - assert_eq!(value, Foo { x: None }); - - let value: Foo = from_str("{\"y\": 5}").unwrap(); - assert_eq!(value, Foo { x: Some(5) }); - - let value: Foo = from_value(json!({})).unwrap(); - assert_eq!(value, Foo { x: None }); - - let value: Foo = from_value(json!({"y": 5})).unwrap(); - assert_eq!(value, Foo { x: Some(5) }); -} - -#[test] -fn test_serialize_seq_with_no_len() { - #[derive(Clone, Debug, PartialEq)] - struct MyVec<T>(Vec<T>); - - impl<T> ser::Serialize for MyVec<T> - where - T: ser::Serialize, - { - fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> - where - S: ser::Serializer, - { - let mut seq = serializer.serialize_seq(None)?; - for elem in &self.0 { - seq.serialize_element(elem)?; - } - seq.end() - } - } - - struct Visitor<T> { - marker: PhantomData<MyVec<T>>, - } - - impl<'de, T> de::Visitor<'de> for Visitor<T> - where - T: de::Deserialize<'de>, - { - type Value = MyVec<T>; - - fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result { - formatter.write_str("array") - } - - fn visit_unit<E>(self) -> Result<MyVec<T>, E> - where - E: de::Error, - { - Ok(MyVec(Vec::new())) - } - - fn visit_seq<V>(self, mut visitor: V) -> Result<MyVec<T>, V::Error> - where - V: de::SeqAccess<'de>, - { - let mut values = Vec::new(); - - while let Some(value) = visitor.next_element()? { - values.push(value); - } - - Ok(MyVec(values)) - } - } - - impl<'de, T> de::Deserialize<'de> for MyVec<T> - where - T: de::Deserialize<'de>, - { - fn deserialize<D>(deserializer: D) -> Result<MyVec<T>, D::Error> - where - D: de::Deserializer<'de>, - { - deserializer.deserialize_map(Visitor { - marker: PhantomData, - }) - } - } - - let mut vec = Vec::new(); - vec.push(MyVec(Vec::new())); - vec.push(MyVec(Vec::new())); - let vec: MyVec<MyVec<u32>> = MyVec(vec); - - test_encode_ok(&[(vec.clone(), "[[],[]]")]); - - let s = to_string_pretty(&vec).unwrap(); - let expected = pretty_str!([[], []]); - assert_eq!(s, expected); -} - -#[test] -fn test_serialize_map_with_no_len() { - #[derive(Clone, Debug, PartialEq)] - struct MyMap<K, V>(BTreeMap<K, V>); - - impl<K, V> ser::Serialize for MyMap<K, V> - where - K: ser::Serialize + Ord, - V: ser::Serialize, - { - fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> - where - S: ser::Serializer, - { - let mut map = serializer.serialize_map(None)?; - for (k, v) in &self.0 { - map.serialize_entry(k, v)?; - } - map.end() - } - } - - struct Visitor<K, V> { - marker: PhantomData<MyMap<K, V>>, - } - - impl<'de, K, V> de::Visitor<'de> for Visitor<K, V> - where - K: de::Deserialize<'de> + Eq + Ord, - V: de::Deserialize<'de>, - { - type Value = MyMap<K, V>; - - fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result { - formatter.write_str("map") - } - - fn visit_unit<E>(self) -> Result<MyMap<K, V>, E> - where - E: de::Error, - { - Ok(MyMap(BTreeMap::new())) - } - - fn visit_map<Visitor>(self, mut visitor: Visitor) -> Result<MyMap<K, V>, Visitor::Error> - where - Visitor: de::MapAccess<'de>, - { - let mut values = BTreeMap::new(); - - while let Some((key, value)) = visitor.next_entry()? { - values.insert(key, value); - } - - Ok(MyMap(values)) - } - } - - impl<'de, K, V> de::Deserialize<'de> for MyMap<K, V> - where - K: de::Deserialize<'de> + Eq + Ord, - V: de::Deserialize<'de>, - { - fn deserialize<D>(deserializer: D) -> Result<MyMap<K, V>, D::Error> - where - D: de::Deserializer<'de>, - { - deserializer.deserialize_map(Visitor { - marker: PhantomData, - }) - } - } - - let mut map = BTreeMap::new(); - map.insert("a", MyMap(BTreeMap::new())); - map.insert("b", MyMap(BTreeMap::new())); - let map: MyMap<_, MyMap<u32, u32>> = MyMap(map); - - test_encode_ok(&[(map.clone(), "{\"a\":{},\"b\":{}}")]); - - let s = to_string_pretty(&map).unwrap(); - let expected = pretty_str!({ - "a": {}, - "b": {} - }); - assert_eq!(s, expected); -} - -#[cfg(not(miri))] -#[test] -fn test_deserialize_from_stream() { - use serde_json::to_writer; - use std::net::{TcpListener, TcpStream}; - use std::thread; - - #[derive(Debug, PartialEq, Serialize, Deserialize)] - struct Message { - message: String, - } - - let l = TcpListener::bind("localhost:20000").unwrap(); - - thread::spawn(|| { - let l = l; - for stream in l.incoming() { - let mut stream = stream.unwrap(); - let read_stream = stream.try_clone().unwrap(); - - let mut de = Deserializer::from_reader(read_stream); - let request = Message::deserialize(&mut de).unwrap(); - let response = Message { - message: request.message, - }; - to_writer(&mut stream, &response).unwrap(); - } - }); - - let mut stream = TcpStream::connect("localhost:20000").unwrap(); - let request = Message { - message: "hi there".to_string(), - }; - to_writer(&mut stream, &request).unwrap(); - - let mut de = Deserializer::from_reader(stream); - let response = Message::deserialize(&mut de).unwrap(); - - assert_eq!(request, response); -} - -#[test] -fn test_serialize_rejects_adt_keys() { - let map = treemap!( - Some("a") => 2, - Some("b") => 4, - None => 6, - ); - - let err = to_vec(&map).unwrap_err(); - assert_eq!(err.to_string(), "key must be a string"); -} - -#[test] -fn test_bytes_ser() { - let buf = vec![]; - let bytes = Bytes::new(&buf); - assert_eq!(to_string(&bytes).unwrap(), "[]".to_string()); - - let buf = vec![1, 2, 3]; - let bytes = Bytes::new(&buf); - assert_eq!(to_string(&bytes).unwrap(), "[1,2,3]".to_string()); -} - -#[test] -fn test_byte_buf_ser() { - let bytes = ByteBuf::new(); - assert_eq!(to_string(&bytes).unwrap(), "[]".to_string()); - - let bytes = ByteBuf::from(vec![1, 2, 3]); - assert_eq!(to_string(&bytes).unwrap(), "[1,2,3]".to_string()); -} - -#[test] -fn test_byte_buf_de() { - let bytes = ByteBuf::new(); - let v: ByteBuf = from_str("[]").unwrap(); - assert_eq!(v, bytes); - - let bytes = ByteBuf::from(vec![1, 2, 3]); - let v: ByteBuf = from_str("[1, 2, 3]").unwrap(); - assert_eq!(v, bytes); -} - -#[test] -fn test_byte_buf_de_lone_surrogate() { - let bytes = ByteBuf::from(vec![237, 160, 188]); - let v: ByteBuf = from_str(r#""\ud83c""#).unwrap(); - assert_eq!(v, bytes); - - let bytes = ByteBuf::from(vec![237, 160, 188, 10]); - let v: ByteBuf = from_str(r#""\ud83c\n""#).unwrap(); - assert_eq!(v, bytes); - - let bytes = ByteBuf::from(vec![237, 160, 188, 32]); - let v: ByteBuf = from_str(r#""\ud83c ""#).unwrap(); - assert_eq!(v, bytes); - - let bytes = ByteBuf::from(vec![237, 176, 129]); - let v: ByteBuf = from_str(r#""\udc01""#).unwrap(); - assert_eq!(v, bytes); - - let res = from_str::<ByteBuf>(r#""\ud83c\!""#); - assert!(res.is_err()); - - let res = from_str::<ByteBuf>(r#""\ud83c\u""#); - assert!(res.is_err()); - - let res = from_str::<ByteBuf>(r#""\ud83c\ud83c""#); - assert!(res.is_err()); -} - -#[cfg(feature = "raw_value")] -#[test] -fn test_raw_de_lone_surrogate() { - use serde_json::value::RawValue; - - assert!(from_str::<Box<RawValue>>(r#""\ud83c""#).is_ok()); - assert!(from_str::<Box<RawValue>>(r#""\ud83c\n""#).is_ok()); - assert!(from_str::<Box<RawValue>>(r#""\ud83c ""#).is_ok()); - assert!(from_str::<Box<RawValue>>(r#""\udc01 ""#).is_ok()); - assert!(from_str::<Box<RawValue>>(r#""\udc01\!""#).is_err()); - assert!(from_str::<Box<RawValue>>(r#""\udc01\u""#).is_err()); - assert!(from_str::<Box<RawValue>>(r#""\ud83c\ud83c""#).is_ok()); -} - -#[test] -fn test_byte_buf_de_multiple() { - let s: Vec<ByteBuf> = from_str(r#"["ab\nc", "cd\ne"]"#).unwrap(); - let a = ByteBuf::from(b"ab\nc".to_vec()); - let b = ByteBuf::from(b"cd\ne".to_vec()); - assert_eq!(vec![a, b], s); -} - -#[test] -fn test_json_pointer() { - // Test case taken from https://tools.ietf.org/html/rfc6901#page-5 - let data: Value = from_str( - r#"{ - "foo": ["bar", "baz"], - "": 0, - "a/b": 1, - "c%d": 2, - "e^f": 3, - "g|h": 4, - "i\\j": 5, - "k\"l": 6, - " ": 7, - "m~n": 8 - }"#, - ) - .unwrap(); - assert_eq!(data.pointer("").unwrap(), &data); - assert_eq!(data.pointer("/foo").unwrap(), &json!(["bar", "baz"])); - assert_eq!(data.pointer("/foo/0").unwrap(), &json!("bar")); - assert_eq!(data.pointer("/").unwrap(), &json!(0)); - assert_eq!(data.pointer("/a~1b").unwrap(), &json!(1)); - assert_eq!(data.pointer("/c%d").unwrap(), &json!(2)); - assert_eq!(data.pointer("/e^f").unwrap(), &json!(3)); - assert_eq!(data.pointer("/g|h").unwrap(), &json!(4)); - assert_eq!(data.pointer("/i\\j").unwrap(), &json!(5)); - assert_eq!(data.pointer("/k\"l").unwrap(), &json!(6)); - assert_eq!(data.pointer("/ ").unwrap(), &json!(7)); - assert_eq!(data.pointer("/m~0n").unwrap(), &json!(8)); - // Invalid pointers - assert!(data.pointer("/unknown").is_none()); - assert!(data.pointer("/e^f/ertz").is_none()); - assert!(data.pointer("/foo/00").is_none()); - assert!(data.pointer("/foo/01").is_none()); -} - -#[test] -fn test_json_pointer_mut() { - // Test case taken from https://tools.ietf.org/html/rfc6901#page-5 - let mut data: Value = from_str( - r#"{ - "foo": ["bar", "baz"], - "": 0, - "a/b": 1, - "c%d": 2, - "e^f": 3, - "g|h": 4, - "i\\j": 5, - "k\"l": 6, - " ": 7, - "m~n": 8 - }"#, - ) - .unwrap(); - - // Basic pointer checks - assert_eq!(data.pointer_mut("/foo").unwrap(), &json!(["bar", "baz"])); - assert_eq!(data.pointer_mut("/foo/0").unwrap(), &json!("bar")); - assert_eq!(data.pointer_mut("/").unwrap(), 0); - assert_eq!(data.pointer_mut("/a~1b").unwrap(), 1); - assert_eq!(data.pointer_mut("/c%d").unwrap(), 2); - assert_eq!(data.pointer_mut("/e^f").unwrap(), 3); - assert_eq!(data.pointer_mut("/g|h").unwrap(), 4); - assert_eq!(data.pointer_mut("/i\\j").unwrap(), 5); - assert_eq!(data.pointer_mut("/k\"l").unwrap(), 6); - assert_eq!(data.pointer_mut("/ ").unwrap(), 7); - assert_eq!(data.pointer_mut("/m~0n").unwrap(), 8); - - // Invalid pointers - assert!(data.pointer_mut("/unknown").is_none()); - assert!(data.pointer_mut("/e^f/ertz").is_none()); - assert!(data.pointer_mut("/foo/00").is_none()); - assert!(data.pointer_mut("/foo/01").is_none()); - - // Mutable pointer checks - *data.pointer_mut("/").unwrap() = 100.into(); - assert_eq!(data.pointer("/").unwrap(), 100); - *data.pointer_mut("/foo/0").unwrap() = json!("buzz"); - assert_eq!(data.pointer("/foo/0").unwrap(), &json!("buzz")); - - // Example of ownership stealing - assert_eq!( - data.pointer_mut("/a~1b") - .map(|m| mem::replace(m, json!(null))) - .unwrap(), - 1 - ); - assert_eq!(data.pointer("/a~1b").unwrap(), &json!(null)); - - // Need to compare against a clone so we don't anger the borrow checker - // by taking out two references to a mutable value - let mut d2 = data.clone(); - assert_eq!(data.pointer_mut("").unwrap(), &mut d2); -} - -#[test] -fn test_stack_overflow() { - let brackets: String = iter::repeat('[') - .take(127) - .chain(iter::repeat(']').take(127)) - .collect(); - let _: Value = from_str(&brackets).unwrap(); - - let brackets = "[".repeat(129); - test_parse_err::<Value>(&[(&brackets, "recursion limit exceeded at line 1 column 128")]); -} - -#[test] -#[cfg(feature = "unbounded_depth")] -fn test_disable_recursion_limit() { - let brackets: String = iter::repeat('[') - .take(140) - .chain(iter::repeat(']').take(140)) - .collect(); - - let mut deserializer = Deserializer::from_str(&brackets); - deserializer.disable_recursion_limit(); - Value::deserialize(&mut deserializer).unwrap(); -} - -#[test] -fn test_integer_key() { - // map with integer keys - let map = treemap!( - 1 => 2, - -1 => 6, - ); - let j = r#"{"-1":6,"1":2}"#; - test_encode_ok(&[(&map, j)]); - test_parse_ok(vec![(j, map)]); - - test_parse_err::<BTreeMap<i32, ()>>(&[ - ( - r#"{"x":null}"#, - "invalid value: expected key to be a number in quotes at line 1 column 2", - ), - ( - r#"{" 123":null}"#, - "invalid value: expected key to be a number in quotes at line 1 column 2", - ), - (r#"{"123 ":null}"#, "expected `\"` at line 1 column 6"), - ]); - - let err = from_value::<BTreeMap<i32, ()>>(json!({" 123":null})).unwrap_err(); - assert_eq!( - err.to_string(), - "invalid value: expected key to be a number in quotes", - ); - - let err = from_value::<BTreeMap<i32, ()>>(json!({"123 ":null})).unwrap_err(); - assert_eq!( - err.to_string(), - "invalid value: expected key to be a number in quotes", - ); -} - -#[test] -fn test_integer128_key() { - let map = treemap! { - 100000000000000000000000000000000000000u128 => (), - }; - let j = r#"{"100000000000000000000000000000000000000":null}"#; - assert_eq!(to_string(&map).unwrap(), j); - assert_eq!(from_str::<BTreeMap<u128, ()>>(j).unwrap(), map); -} - -#[test] -fn test_float_key() { - #[derive(Eq, PartialEq, Ord, PartialOrd, Debug, Clone)] - struct Float; - impl Serialize for Float { - fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> - where - S: Serializer, - { - serializer.serialize_f32(1.23) - } - } - impl<'de> Deserialize<'de> for Float { - fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> - where - D: de::Deserializer<'de>, - { - f32::deserialize(deserializer).map(|_| Float) - } - } - - // map with float key - let map = treemap!(Float => "x".to_owned()); - let j = r#"{"1.23":"x"}"#; - - test_encode_ok(&[(&map, j)]); - test_parse_ok(vec![(j, map)]); - - let j = r#"{"x": null}"#; - test_parse_err::<BTreeMap<Float, ()>>(&[( - j, - "invalid value: expected key to be a number in quotes at line 1 column 2", - )]); -} - -#[test] -fn test_deny_non_finite_f32_key() { - // We store float bits so that we can derive Ord, and other traits. In a - // real context the code might involve a crate like ordered-float. - - #[derive(Eq, PartialEq, Ord, PartialOrd, Debug, Clone)] - struct F32Bits(u32); - impl Serialize for F32Bits { - fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> - where - S: Serializer, - { - serializer.serialize_f32(f32::from_bits(self.0)) - } - } - - let map = treemap!(F32Bits(f32::INFINITY.to_bits()) => "x".to_owned()); - assert!(serde_json::to_string(&map).is_err()); - assert!(serde_json::to_value(map).is_err()); - - let map = treemap!(F32Bits(f32::NEG_INFINITY.to_bits()) => "x".to_owned()); - assert!(serde_json::to_string(&map).is_err()); - assert!(serde_json::to_value(map).is_err()); - - let map = treemap!(F32Bits(f32::NAN.to_bits()) => "x".to_owned()); - assert!(serde_json::to_string(&map).is_err()); - assert!(serde_json::to_value(map).is_err()); -} - -#[test] -fn test_deny_non_finite_f64_key() { - // We store float bits so that we can derive Ord, and other traits. In a - // real context the code might involve a crate like ordered-float. - - #[derive(Eq, PartialEq, Ord, PartialOrd, Debug, Clone)] - struct F64Bits(u64); - impl Serialize for F64Bits { - fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> - where - S: Serializer, - { - serializer.serialize_f64(f64::from_bits(self.0)) - } - } - - let map = treemap!(F64Bits(f64::INFINITY.to_bits()) => "x".to_owned()); - assert!(serde_json::to_string(&map).is_err()); - assert!(serde_json::to_value(map).is_err()); - - let map = treemap!(F64Bits(f64::NEG_INFINITY.to_bits()) => "x".to_owned()); - assert!(serde_json::to_string(&map).is_err()); - assert!(serde_json::to_value(map).is_err()); - - let map = treemap!(F64Bits(f64::NAN.to_bits()) => "x".to_owned()); - assert!(serde_json::to_string(&map).is_err()); - assert!(serde_json::to_value(map).is_err()); -} - -#[test] -fn test_boolean_key() { - let map = treemap!(false => 0, true => 1); - let j = r#"{"false":0,"true":1}"#; - test_encode_ok(&[(&map, j)]); - test_parse_ok(vec![(j, map)]); -} - -#[test] -fn test_borrowed_key() { - let map: BTreeMap<&str, ()> = from_str("{\"borrowed\":null}").unwrap(); - let expected = treemap! { "borrowed" => () }; - assert_eq!(map, expected); - - #[derive(Deserialize, Debug, Ord, PartialOrd, Eq, PartialEq)] - struct NewtypeStr<'a>(&'a str); - - let map: BTreeMap<NewtypeStr, ()> = from_str("{\"borrowed\":null}").unwrap(); - let expected = treemap! { NewtypeStr("borrowed") => () }; - assert_eq!(map, expected); -} - -#[test] -fn test_effectively_string_keys() { - #[derive(Eq, PartialEq, Ord, PartialOrd, Debug, Clone, Serialize, Deserialize)] - enum Enum { - One, - Two, - } - let map = treemap! { - Enum::One => 1, - Enum::Two => 2, - }; - let expected = r#"{"One":1,"Two":2}"#; - test_encode_ok(&[(&map, expected)]); - test_parse_ok(vec![(expected, map)]); - - #[derive(Eq, PartialEq, Ord, PartialOrd, Debug, Clone, Serialize, Deserialize)] - struct Wrapper(String); - let map = treemap! { - Wrapper("zero".to_owned()) => 0, - Wrapper("one".to_owned()) => 1, - }; - let expected = r#"{"one":1,"zero":0}"#; - test_encode_ok(&[(&map, expected)]); - test_parse_ok(vec![(expected, map)]); -} - -#[test] -fn test_json_macro() { - // This is tricky because the <...> is not a single TT and the comma inside - // looks like an array element separator. - let _ = json!([ - <Result<(), ()> as Clone>::clone(&Ok(())), - <Result<(), ()> as Clone>::clone(&Err(())) - ]); - - // Same thing but in the map values. - let _ = json!({ - "ok": <Result<(), ()> as Clone>::clone(&Ok(())), - "err": <Result<(), ()> as Clone>::clone(&Err(())) - }); - - // It works in map keys but only if they are parenthesized. - let _ = json!({ - (<Result<&str, ()> as Clone>::clone(&Ok("")).unwrap()): "ok", - (<Result<(), &str> as Clone>::clone(&Err("")).unwrap_err()): "err" - }); - - #[deny(unused_results)] - let _ = json!({ "architecture": [true, null] }); -} - -#[test] -fn issue_220() { - #[derive(Debug, PartialEq, Eq, Deserialize)] - enum E { - V(u8), - } - - assert!(from_str::<E>(r#" "V"0 "#).is_err()); - - assert_eq!(from_str::<E>(r#"{"V": 0}"#).unwrap(), E::V(0)); -} - -macro_rules! number_partialeq_ok { - ($($n:expr)*) => { - $( - let value = to_value($n).unwrap(); - let s = $n.to_string(); - assert_eq!(value, $n); - assert_eq!($n, value); - assert_ne!(value, s); - )* - } -} - -#[test] -fn test_partialeq_number() { - number_partialeq_ok!(0 1 100 - i8::MIN i8::MAX i16::MIN i16::MAX i32::MIN i32::MAX i64::MIN i64::MAX - u8::MIN u8::MAX u16::MIN u16::MAX u32::MIN u32::MAX u64::MIN u64::MAX - f32::MIN f32::MAX f32::MIN_EXP f32::MAX_EXP f32::MIN_POSITIVE - f64::MIN f64::MAX f64::MIN_EXP f64::MAX_EXP f64::MIN_POSITIVE - f32::consts::E f32::consts::PI f32::consts::LN_2 f32::consts::LOG2_E - f64::consts::E f64::consts::PI f64::consts::LN_2 f64::consts::LOG2_E - ); -} - -#[test] -#[cfg(integer128)] -#[cfg(feature = "arbitrary_precision")] -fn test_partialeq_integer128() { - number_partialeq_ok!(i128::MIN i128::MAX u128::MIN u128::MAX) -} - -#[test] -fn test_partialeq_string() { - let v = to_value("42").unwrap(); - assert_eq!(v, "42"); - assert_eq!("42", v); - assert_ne!(v, 42); - assert_eq!(v, String::from("42")); - assert_eq!(String::from("42"), v); -} - -#[test] -fn test_partialeq_bool() { - let v = to_value(true).unwrap(); - assert_eq!(v, true); - assert_eq!(true, v); - assert_ne!(v, false); - assert_ne!(v, "true"); - assert_ne!(v, 1); - assert_ne!(v, 0); -} - -struct FailReader(io::ErrorKind); - -impl io::Read for FailReader { - fn read(&mut self, _: &mut [u8]) -> io::Result<usize> { - Err(io::Error::new(self.0, "oh no!")) - } -} - -#[test] -fn test_category() { - assert!(from_str::<String>("123").unwrap_err().is_data()); - - assert!(from_str::<String>("]").unwrap_err().is_syntax()); - - assert!(from_str::<String>("").unwrap_err().is_eof()); - assert!(from_str::<String>("\"").unwrap_err().is_eof()); - assert!(from_str::<String>("\"\\").unwrap_err().is_eof()); - assert!(from_str::<String>("\"\\u").unwrap_err().is_eof()); - assert!(from_str::<String>("\"\\u0").unwrap_err().is_eof()); - assert!(from_str::<String>("\"\\u00").unwrap_err().is_eof()); - assert!(from_str::<String>("\"\\u000").unwrap_err().is_eof()); - - assert!(from_str::<Vec<usize>>("[").unwrap_err().is_eof()); - assert!(from_str::<Vec<usize>>("[0").unwrap_err().is_eof()); - assert!(from_str::<Vec<usize>>("[0,").unwrap_err().is_eof()); - - assert!(from_str::<BTreeMap<String, usize>>("{") - .unwrap_err() - .is_eof()); - assert!(from_str::<BTreeMap<String, usize>>("{\"k\"") - .unwrap_err() - .is_eof()); - assert!(from_str::<BTreeMap<String, usize>>("{\"k\":") - .unwrap_err() - .is_eof()); - assert!(from_str::<BTreeMap<String, usize>>("{\"k\":0") - .unwrap_err() - .is_eof()); - assert!(from_str::<BTreeMap<String, usize>>("{\"k\":0,") - .unwrap_err() - .is_eof()); - - let fail = FailReader(io::ErrorKind::NotConnected); - assert!(from_reader::<_, String>(fail).unwrap_err().is_io()); -} - -#[test] -// Clippy false positive: https://github.com/Manishearth/rust-clippy/issues/292 -#[allow(clippy::needless_lifetimes)] -fn test_into_io_error() { - fn io_error<'de, T: Deserialize<'de> + Debug>(j: &'static str) -> io::Error { - from_str::<T>(j).unwrap_err().into() - } - - assert_eq!( - io_error::<String>("\"\\u").kind(), - io::ErrorKind::UnexpectedEof - ); - assert_eq!(io_error::<String>("0").kind(), io::ErrorKind::InvalidData); - assert_eq!(io_error::<String>("]").kind(), io::ErrorKind::InvalidData); - - let fail = FailReader(io::ErrorKind::NotConnected); - let io_err: io::Error = from_reader::<_, u8>(fail).unwrap_err().into(); - assert_eq!(io_err.kind(), io::ErrorKind::NotConnected); -} - -#[test] -fn test_borrow() { - let s: &str = from_str("\"borrowed\"").unwrap(); - assert_eq!("borrowed", s); - - let s: &str = from_slice(b"\"borrowed\"").unwrap(); - assert_eq!("borrowed", s); -} - -#[test] -fn null_invalid_type() { - let err = serde_json::from_str::<String>("null").unwrap_err(); - assert_eq!( - format!("{}", err), - String::from("invalid type: null, expected a string at line 1 column 4") - ); -} - -#[test] -fn test_integer128() { - let signed = &[i128::min_value(), -1, 0, 1, i128::max_value()]; - let unsigned = &[0, 1, u128::max_value()]; - - for integer128 in signed { - let expected = integer128.to_string(); - assert_eq!(to_string(integer128).unwrap(), expected); - assert_eq!(from_str::<i128>(&expected).unwrap(), *integer128); - } - - for integer128 in unsigned { - let expected = integer128.to_string(); - assert_eq!(to_string(integer128).unwrap(), expected); - assert_eq!(from_str::<u128>(&expected).unwrap(), *integer128); - } - - test_parse_err::<i128>(&[ - ( - "-170141183460469231731687303715884105729", - "number out of range at line 1 column 40", - ), - ( - "170141183460469231731687303715884105728", - "number out of range at line 1 column 39", - ), - ]); - - test_parse_err::<u128>(&[ - ("-1", "number out of range at line 1 column 1"), - ( - "340282366920938463463374607431768211456", - "number out of range at line 1 column 39", - ), - ]); -} - -#[test] -fn test_integer128_to_value() { - let signed = &[i128::from(i64::min_value()), i128::from(u64::max_value())]; - let unsigned = &[0, u128::from(u64::max_value())]; - - for integer128 in signed { - let expected = integer128.to_string(); - assert_eq!(to_value(integer128).unwrap().to_string(), expected); - } - - for integer128 in unsigned { - let expected = integer128.to_string(); - assert_eq!(to_value(integer128).unwrap().to_string(), expected); - } - - if !cfg!(feature = "arbitrary_precision") { - let err = to_value(u128::from(u64::max_value()) + 1).unwrap_err(); - assert_eq!(err.to_string(), "number out of range"); - } -} - -#[cfg(feature = "raw_value")] -#[test] -fn test_borrowed_raw_value() { - #[derive(Serialize, Deserialize)] - struct Wrapper<'a> { - a: i8, - #[serde(borrow)] - b: &'a RawValue, - c: i8, - } - - let wrapper_from_str: Wrapper = - serde_json::from_str(r#"{"a": 1, "b": {"foo": 2}, "c": 3}"#).unwrap(); - assert_eq!(r#"{"foo": 2}"#, wrapper_from_str.b.get()); - - let wrapper_to_string = serde_json::to_string(&wrapper_from_str).unwrap(); - assert_eq!(r#"{"a":1,"b":{"foo": 2},"c":3}"#, wrapper_to_string); - - let wrapper_to_value = serde_json::to_value(&wrapper_from_str).unwrap(); - assert_eq!(json!({"a": 1, "b": {"foo": 2}, "c": 3}), wrapper_to_value); - - let array_from_str: Vec<&RawValue> = - serde_json::from_str(r#"["a", 42, {"foo": "bar"}, null]"#).unwrap(); - assert_eq!(r#""a""#, array_from_str[0].get()); - assert_eq!(r#"42"#, array_from_str[1].get()); - assert_eq!(r#"{"foo": "bar"}"#, array_from_str[2].get()); - assert_eq!(r#"null"#, array_from_str[3].get()); - - let array_to_string = serde_json::to_string(&array_from_str).unwrap(); - assert_eq!(r#"["a",42,{"foo": "bar"},null]"#, array_to_string); -} - -#[cfg(feature = "raw_value")] -#[test] -fn test_raw_value_in_map_key() { - #[derive(RefCast)] - #[repr(transparent)] - struct RawMapKey(RawValue); - - impl<'de> Deserialize<'de> for &'de RawMapKey { - fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> - where - D: serde::Deserializer<'de>, - { - let raw_value = <&RawValue>::deserialize(deserializer)?; - Ok(RawMapKey::ref_cast(raw_value)) - } - } - - impl PartialEq for RawMapKey { - fn eq(&self, other: &Self) -> bool { - self.0.get() == other.0.get() - } - } - - impl Eq for RawMapKey {} - - impl Hash for RawMapKey { - fn hash<H: Hasher>(&self, hasher: &mut H) { - self.0.get().hash(hasher); - } - } - - let map_from_str: HashMap<&RawMapKey, &RawValue> = - serde_json::from_str(r#" {"\\k":"\\v"} "#).unwrap(); - let (map_k, map_v) = map_from_str.into_iter().next().unwrap(); - assert_eq!("\"\\\\k\"", map_k.0.get()); - assert_eq!("\"\\\\v\"", map_v.get()); -} - -#[cfg(feature = "raw_value")] -#[test] -fn test_boxed_raw_value() { - #[derive(Serialize, Deserialize)] - struct Wrapper { - a: i8, - b: Box<RawValue>, - c: i8, - } - - let wrapper_from_str: Wrapper = - serde_json::from_str(r#"{"a": 1, "b": {"foo": 2}, "c": 3}"#).unwrap(); - assert_eq!(r#"{"foo": 2}"#, wrapper_from_str.b.get()); - - let wrapper_from_reader: Wrapper = - serde_json::from_reader(br#"{"a": 1, "b": {"foo": 2}, "c": 3}"#.as_ref()).unwrap(); - assert_eq!(r#"{"foo": 2}"#, wrapper_from_reader.b.get()); - - let wrapper_from_value: Wrapper = - serde_json::from_value(json!({"a": 1, "b": {"foo": 2}, "c": 3})).unwrap(); - assert_eq!(r#"{"foo":2}"#, wrapper_from_value.b.get()); - - let wrapper_to_string = serde_json::to_string(&wrapper_from_str).unwrap(); - assert_eq!(r#"{"a":1,"b":{"foo": 2},"c":3}"#, wrapper_to_string); - - let wrapper_to_value = serde_json::to_value(&wrapper_from_str).unwrap(); - assert_eq!(json!({"a": 1, "b": {"foo": 2}, "c": 3}), wrapper_to_value); - - let array_from_str: Vec<Box<RawValue>> = - serde_json::from_str(r#"["a", 42, {"foo": "bar"}, null]"#).unwrap(); - assert_eq!(r#""a""#, array_from_str[0].get()); - assert_eq!(r#"42"#, array_from_str[1].get()); - assert_eq!(r#"{"foo": "bar"}"#, array_from_str[2].get()); - assert_eq!(r#"null"#, array_from_str[3].get()); - - let array_from_reader: Vec<Box<RawValue>> = - serde_json::from_reader(br#"["a", 42, {"foo": "bar"}, null]"#.as_ref()).unwrap(); - assert_eq!(r#""a""#, array_from_reader[0].get()); - assert_eq!(r#"42"#, array_from_reader[1].get()); - assert_eq!(r#"{"foo": "bar"}"#, array_from_reader[2].get()); - assert_eq!(r#"null"#, array_from_reader[3].get()); - - let array_to_string = serde_json::to_string(&array_from_str).unwrap(); - assert_eq!(r#"["a",42,{"foo": "bar"},null]"#, array_to_string); -} - -#[cfg(feature = "raw_value")] -#[test] -fn test_raw_invalid_utf8() { - let j = &[b'"', b'\xCE', b'\xF8', b'"']; - let value_err = serde_json::from_slice::<Value>(j).unwrap_err(); - let raw_value_err = serde_json::from_slice::<Box<RawValue>>(j).unwrap_err(); - - assert_eq!( - value_err.to_string(), - "invalid unicode code point at line 1 column 4", - ); - assert_eq!( - raw_value_err.to_string(), - "invalid unicode code point at line 1 column 4", - ); -} - -#[cfg(feature = "raw_value")] -#[test] -fn test_serialize_unsized_value_to_raw_value() { - assert_eq!( - serde_json::value::to_raw_value("foobar").unwrap().get(), - r#""foobar""#, - ); -} - -#[test] -fn test_borrow_in_map_key() { - #[derive(Deserialize, Debug)] - struct Outer { - #[allow(dead_code)] - map: BTreeMap<MyMapKey, ()>, - } - - #[derive(Ord, PartialOrd, Eq, PartialEq, Debug)] - struct MyMapKey(usize); - - impl<'de> Deserialize<'de> for MyMapKey { - fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> - where - D: de::Deserializer<'de>, - { - let s = <&str>::deserialize(deserializer)?; - let n = s.parse().map_err(de::Error::custom)?; - Ok(MyMapKey(n)) - } - } - - let value = json!({ "map": { "1": null } }); - Outer::deserialize(&value).unwrap(); -} - -#[test] -fn test_value_into_deserializer() { - #[derive(Deserialize)] - struct Outer { - inner: Inner, - } - - #[derive(Deserialize)] - struct Inner { - string: String, - } - - let mut map = BTreeMap::new(); - map.insert("inner", json!({ "string": "Hello World" })); - - let outer = Outer::deserialize(serde::de::value::MapDeserializer::new( - map.iter().map(|(k, v)| (*k, v)), - )) - .unwrap(); - assert_eq!(outer.inner.string, "Hello World"); - - let outer = Outer::deserialize(map.into_deserializer()).unwrap(); - assert_eq!(outer.inner.string, "Hello World"); -} - -#[test] -fn hash_positive_and_negative_zero() { - let rand = std::hash::RandomState::new(); - - let k1 = serde_json::from_str::<Number>("0.0").unwrap(); - let k2 = serde_json::from_str::<Number>("-0.0").unwrap(); - if cfg!(feature = "arbitrary_precision") { - assert_ne!(k1, k2); - assert_ne!(rand.hash_one(k1), rand.hash_one(k2)); - } else { - assert_eq!(k1, k2); - assert_eq!(rand.hash_one(k1), rand.hash_one(k2)); - } -} |