use std::str::FromStr;
use std::string;
use std::{char, f64, fmt, str};
-use std;
-use Encodable;
+use crate::Encodable;
/// Represents a json value
#[derive(Clone, PartialEq, PartialOrd, Debug)]
pub struct PrettyJson<'a> { inner: &'a Json }
-pub struct AsJson<'a, T: 'a> { inner: &'a T }
-pub struct AsPrettyJson<'a, T: 'a> { inner: &'a T, indent: Option<usize> }
+pub struct AsJson<'a, T> { inner: &'a T }
+pub struct AsPrettyJson<'a, T> { inner: &'a T, indent: Option<usize> }
/// The errors that can arise while parsing a JSON stream.
#[derive(Clone, Copy, PartialEq, Debug)]
}
/// Shortcut function to decode a JSON `&str` into an object
-pub fn decode<T: ::Decodable>(s: &str) -> DecodeResult<T> {
+pub fn decode<T: crate::Decodable>(s: &str) -> DecodeResult<T> {
let json = match from_str(s) {
Ok(x) => x,
Err(e) => return Err(ParseError(e))
};
let mut decoder = Decoder::new(json);
- ::Decodable::decode(&mut decoder)
+ crate::Decodable::decode(&mut decoder)
}
/// Shortcut function to encode a `T` into a JSON `String`
-pub fn encode<T: ::Encodable>(object: &T) -> Result<string::String, EncoderError> {
+pub fn encode<T: crate::Encodable>(object: &T) -> Result<string::String, EncoderError> {
let mut s = String::new();
{
let mut encoder = Encoder::new(&mut s);
}
impl fmt::Display for ErrorCode {
- fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
error_str(*self).fmt(f)
}
}
}
impl fmt::Display for ParserError {
- fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
// FIXME this should be a nicer error
fmt::Debug::fmt(self, f)
}
}
impl fmt::Display for DecoderError {
- fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
// FIXME this should be a nicer error
fmt::Debug::fmt(self, f)
}
}
impl fmt::Display for EncoderError {
- fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
// FIXME this should be a nicer error
fmt::Debug::fmt(self, f)
}
})
}
-impl<'a> ::Encoder for Encoder<'a> {
+impl<'a> crate::Encoder for Encoder<'a> {
type Error = EncoderError;
fn emit_unit(&mut self) -> EncodeResult {
}
}
-impl<'a> ::Encoder for PrettyEncoder<'a> {
+impl<'a> crate::Encoder for PrettyEncoder<'a> {
type Error = EncoderError;
fn emit_unit(&mut self) -> EncodeResult {
}
impl Encodable for Json {
- fn encode<E: ::Encoder>(&self, e: &mut E) -> Result<(), E::Error> {
+ fn encode<E: crate::Encoder>(&self, e: &mut E) -> Result<(), E::Error> {
match *self {
Json::I64(v) => v.encode(e),
Json::U64(v) => v.encode(e),
/// Creates an `AsJson` wrapper which can be used to print a value as JSON
/// on-the-fly via `write!`
-pub fn as_json<T>(t: &T) -> AsJson<T> {
+pub fn as_json<T>(t: &T) -> AsJson<'_, T> {
AsJson { inner: t }
}
/// Creates an `AsPrettyJson` wrapper which can be used to print a value as JSON
/// on-the-fly via `write!`
-pub fn as_pretty_json<T>(t: &T) -> AsPrettyJson<T> {
+pub fn as_pretty_json<T>(t: &T) -> AsPrettyJson<'_, T> {
AsPrettyJson { inner: t, indent: None }
}
impl Json {
/// Borrow this json object as a pretty object to generate a pretty
/// representation for it via `Display`.
- pub fn pretty(&self) -> PrettyJson {
+ pub fn pretty(&self) -> PrettyJson<'_> {
PrettyJson { inner: self }
}
/// Provides access to the StackElement at a given index.
/// lower indices are at the bottom of the stack while higher indices are
/// at the top.
- pub fn get(&self, idx: usize) -> StackElement {
+ pub fn get(&self, idx: usize) -> StackElement<'_> {
match self.stack[idx] {
InternalIndex(i) => StackElement::Index(i),
InternalKey(start, size) => {
}
}
- /// Compares this stack with an array of StackElements.
- pub fn is_equal_to(&self, rhs: &[StackElement]) -> bool {
+ /// Compares this stack with an array of StackElement<'_>s.
+ pub fn is_equal_to(&self, rhs: &[StackElement<'_>]) -> bool {
if self.stack.len() != rhs.len() { return false; }
for (i, r) in rhs.iter().enumerate() {
if self.get(i) != *r { return false; }
/// Returns `true` if the bottom-most elements of this stack are the same as
/// the ones passed as parameter.
- pub fn starts_with(&self, rhs: &[StackElement]) -> bool {
+ pub fn starts_with(&self, rhs: &[StackElement<'_>]) -> bool {
if self.stack.len() < rhs.len() { return false; }
for (i, r) in rhs.iter().enumerate() {
if self.get(i) != *r { return false; }
/// Returns `true` if the top-most elements of this stack are the same as
/// the ones passed as parameter.
- pub fn ends_with(&self, rhs: &[StackElement]) -> bool {
+ pub fn ends_with(&self, rhs: &[StackElement<'_>]) -> bool {
if self.stack.len() < rhs.len() { return false; }
let offset = self.stack.len() - rhs.len();
for (i, r) in rhs.iter().enumerate() {
}
/// Returns the top-most element (if any).
- pub fn top(&self) -> Option<StackElement> {
+ pub fn top(&self) -> Option<StackElement<'_>> {
match self.stack.last() {
None => None,
Some(&InternalIndex(i)) => Some(StackElement::Index(i)),
}
}
-impl ::Decoder for Decoder {
+impl crate::Decoder for Decoder {
type Error = DecoderError;
fn read_nil(&mut self) -> DecodeResult<()> {
Err(ExpectedError("single character string".to_owned(), s.to_string()))
}
- fn read_str(&mut self) -> DecodeResult<Cow<str>> {
+ fn read_str(&mut self) -> DecodeResult<Cow<'_, str>> {
expect!(self.pop(), String).map(Cow::Owned)
}
impl fmt::Display for Json {
/// Encodes a json value into a string
- fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let mut shim = FormatShim { inner: f };
let mut encoder = Encoder::new(&mut shim);
match self.encode(&mut encoder) {
impl<'a> fmt::Display for PrettyJson<'a> {
/// Encodes a json value into a string
- fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let mut shim = FormatShim { inner: f };
let mut encoder = PrettyEncoder::new(&mut shim);
match self.inner.encode(&mut encoder) {
impl<'a, T: Encodable> fmt::Display for AsJson<'a, T> {
/// Encodes a json value into a string
- fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let mut shim = FormatShim { inner: f };
let mut encoder = Encoder::new(&mut shim);
match self.inner.encode(&mut encoder) {
impl<'a, T: Encodable> fmt::Display for AsPrettyJson<'a, T> {
/// Encodes a json value into a string
- fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let mut shim = FormatShim { inner: f };
let mut encoder = PrettyEncoder::new(&mut shim);
if let Some(n) = self.indent {
#[cfg(test)]
mod tests {
+ // Benchmarks and tests that require private items
+
extern crate test;
- use self::Animal::*;
- use self::test::Bencher;
- use {Encodable, Decodable};
- use super::Json::*;
- use super::ErrorCode::*;
- use super::ParserError::*;
- use super::DecoderError::*;
- use super::JsonEvent::*;
- use super::{Json, from_str, DecodeResult, DecoderError, JsonEvent, Parser,
- StackElement, Stack, Decoder, Encoder, EncoderError};
- use std::{i64, u64, f32, f64};
- use std::io::prelude::*;
- use std::collections::BTreeMap;
+ use test::Bencher;
+ use super::{from_str, Parser, StackElement, Stack};
use std::string;
- #[derive(RustcDecodable, Eq, PartialEq, Debug)]
- struct OptionData {
- opt: Option<usize>,
- }
-
- #[test]
- fn test_decode_option_none() {
- let s ="{}";
- let obj: OptionData = super::decode(s).unwrap();
- assert_eq!(obj, OptionData { opt: None });
- }
-
- #[test]
- fn test_decode_option_some() {
- let s = "{ \"opt\": 10 }";
- let obj: OptionData = super::decode(s).unwrap();
- assert_eq!(obj, OptionData { opt: Some(10) });
- }
-
- #[test]
- fn test_decode_option_malformed() {
- check_err::<OptionData>("{ \"opt\": [] }",
- ExpectedError("Number".to_string(), "[]".to_string()));
- check_err::<OptionData>("{ \"opt\": false }",
- ExpectedError("Number".to_string(), "false".to_string()));
- }
-
- #[derive(PartialEq, RustcEncodable, RustcDecodable, Debug)]
- enum Animal {
- Dog,
- Frog(string::String, isize)
- }
-
- #[derive(PartialEq, RustcEncodable, RustcDecodable, Debug)]
- struct Inner {
- a: (),
- b: usize,
- c: Vec<string::String>,
- }
-
- #[derive(PartialEq, RustcEncodable, RustcDecodable, Debug)]
- struct Outer {
- inner: Vec<Inner>,
- }
-
- fn mk_object(items: &[(string::String, Json)]) -> Json {
- let mut d = BTreeMap::new();
-
- for item in items {
- match *item {
- (ref key, ref value) => { d.insert((*key).clone(), (*value).clone()); },
- }
- };
-
- Object(d)
- }
-
- #[test]
- fn test_from_str_trait() {
- let s = "null";
- assert!(s.parse::<Json>().unwrap() == s.parse().unwrap());
- }
-
- #[test]
- fn test_write_null() {
- assert_eq!(Null.to_string(), "null");
- assert_eq!(Null.pretty().to_string(), "null");
- }
-
- #[test]
- fn test_write_i64() {
- assert_eq!(U64(0).to_string(), "0");
- assert_eq!(U64(0).pretty().to_string(), "0");
-
- assert_eq!(U64(1234).to_string(), "1234");
- assert_eq!(U64(1234).pretty().to_string(), "1234");
-
- assert_eq!(I64(-5678).to_string(), "-5678");
- assert_eq!(I64(-5678).pretty().to_string(), "-5678");
-
- assert_eq!(U64(7650007200025252000).to_string(), "7650007200025252000");
- assert_eq!(U64(7650007200025252000).pretty().to_string(), "7650007200025252000");
- }
-
- #[test]
- fn test_write_f64() {
- assert_eq!(F64(3.0).to_string(), "3.0");
- assert_eq!(F64(3.0).pretty().to_string(), "3.0");
-
- assert_eq!(F64(3.1).to_string(), "3.1");
- assert_eq!(F64(3.1).pretty().to_string(), "3.1");
-
- assert_eq!(F64(-1.5).to_string(), "-1.5");
- assert_eq!(F64(-1.5).pretty().to_string(), "-1.5");
-
- assert_eq!(F64(0.5).to_string(), "0.5");
- assert_eq!(F64(0.5).pretty().to_string(), "0.5");
-
- assert_eq!(F64(f64::NAN).to_string(), "null");
- assert_eq!(F64(f64::NAN).pretty().to_string(), "null");
-
- assert_eq!(F64(f64::INFINITY).to_string(), "null");
- assert_eq!(F64(f64::INFINITY).pretty().to_string(), "null");
-
- assert_eq!(F64(f64::NEG_INFINITY).to_string(), "null");
- assert_eq!(F64(f64::NEG_INFINITY).pretty().to_string(), "null");
- }
-
- #[test]
- fn test_write_str() {
- assert_eq!(String("".to_string()).to_string(), "\"\"");
- assert_eq!(String("".to_string()).pretty().to_string(), "\"\"");
-
- assert_eq!(String("homura".to_string()).to_string(), "\"homura\"");
- assert_eq!(String("madoka".to_string()).pretty().to_string(), "\"madoka\"");
- }
-
- #[test]
- fn test_write_bool() {
- assert_eq!(Boolean(true).to_string(), "true");
- assert_eq!(Boolean(true).pretty().to_string(), "true");
-
- assert_eq!(Boolean(false).to_string(), "false");
- assert_eq!(Boolean(false).pretty().to_string(), "false");
- }
-
- #[test]
- fn test_write_array() {
- assert_eq!(Array(vec![]).to_string(), "[]");
- assert_eq!(Array(vec![]).pretty().to_string(), "[]");
-
- assert_eq!(Array(vec![Boolean(true)]).to_string(), "[true]");
- assert_eq!(
- Array(vec![Boolean(true)]).pretty().to_string(),
- "\
- [\n \
- true\n\
- ]"
- );
-
- let long_test_array = Array(vec![
- Boolean(false),
- Null,
- Array(vec![String("foo\nbar".to_string()), F64(3.5)])]);
-
- assert_eq!(long_test_array.to_string(),
- "[false,null,[\"foo\\nbar\",3.5]]");
- assert_eq!(
- long_test_array.pretty().to_string(),
- "\
- [\n \
- false,\n \
- null,\n \
- [\n \
- \"foo\\nbar\",\n \
- 3.5\n \
- ]\n\
- ]"
- );
- }
-
- #[test]
- fn test_write_object() {
- assert_eq!(mk_object(&[]).to_string(), "{}");
- assert_eq!(mk_object(&[]).pretty().to_string(), "{}");
-
- assert_eq!(
- mk_object(&[
- ("a".to_string(), Boolean(true))
- ]).to_string(),
- "{\"a\":true}"
- );
- assert_eq!(
- mk_object(&[("a".to_string(), Boolean(true))]).pretty().to_string(),
- "\
- {\n \
- \"a\": true\n\
- }"
- );
-
- let complex_obj = mk_object(&[
- ("b".to_string(), Array(vec![
- mk_object(&[("c".to_string(), String("\x0c\r".to_string()))]),
- mk_object(&[("d".to_string(), String("".to_string()))])
- ]))
- ]);
-
- assert_eq!(
- complex_obj.to_string(),
- "{\
- \"b\":[\
- {\"c\":\"\\f\\r\"},\
- {\"d\":\"\"}\
- ]\
- }"
- );
- assert_eq!(
- complex_obj.pretty().to_string(),
- "\
- {\n \
- \"b\": [\n \
- {\n \
- \"c\": \"\\f\\r\"\n \
- },\n \
- {\n \
- \"d\": \"\"\n \
- }\n \
- ]\n\
- }"
- );
-
- let a = mk_object(&[
- ("a".to_string(), Boolean(true)),
- ("b".to_string(), Array(vec![
- mk_object(&[("c".to_string(), String("\x0c\r".to_string()))]),
- mk_object(&[("d".to_string(), String("".to_string()))])
- ]))
- ]);
-
- // We can't compare the strings directly because the object fields be
- // printed in a different order.
- assert_eq!(a.clone(), a.to_string().parse().unwrap());
- assert_eq!(a.clone(), a.pretty().to_string().parse().unwrap());
- }
-
- #[test]
- fn test_write_enum() {
- let animal = Dog;
- assert_eq!(
- super::as_json(&animal).to_string(),
- "\"Dog\""
- );
- assert_eq!(
- super::as_pretty_json(&animal).to_string(),
- "\"Dog\""
- );
-
- let animal = Frog("Henry".to_string(), 349);
- assert_eq!(
- super::as_json(&animal).to_string(),
- "{\"variant\":\"Frog\",\"fields\":[\"Henry\",349]}"
- );
- assert_eq!(
- super::as_pretty_json(&animal).to_string(),
- "{\n \
- \"variant\": \"Frog\",\n \
- \"fields\": [\n \
- \"Henry\",\n \
- 349\n \
- ]\n\
- }"
- );
- }
-
- macro_rules! check_encoder_for_simple {
- ($value:expr, $expected:expr) => ({
- let s = super::as_json(&$value).to_string();
- assert_eq!(s, $expected);
-
- let s = super::as_pretty_json(&$value).to_string();
- assert_eq!(s, $expected);
- })
- }
-
- #[test]
- fn test_write_some() {
- check_encoder_for_simple!(Some("jodhpurs".to_string()), "\"jodhpurs\"");
- }
-
- #[test]
- fn test_write_none() {
- check_encoder_for_simple!(None::<string::String>, "null");
- }
-
- #[test]
- fn test_write_char() {
- check_encoder_for_simple!('a', "\"a\"");
- check_encoder_for_simple!('\t', "\"\\t\"");
- check_encoder_for_simple!('\u{0000}', "\"\\u0000\"");
- check_encoder_for_simple!('\u{001b}', "\"\\u001b\"");
- check_encoder_for_simple!('\u{007f}', "\"\\u007f\"");
- check_encoder_for_simple!('\u{00a0}', "\"\u{00a0}\"");
- check_encoder_for_simple!('\u{abcd}', "\"\u{abcd}\"");
- check_encoder_for_simple!('\u{10ffff}', "\"\u{10ffff}\"");
- }
-
- #[test]
- fn test_trailing_characters() {
- assert_eq!(from_str("nulla"), Err(SyntaxError(TrailingCharacters, 1, 5)));
- assert_eq!(from_str("truea"), Err(SyntaxError(TrailingCharacters, 1, 5)));
- assert_eq!(from_str("falsea"), Err(SyntaxError(TrailingCharacters, 1, 6)));
- assert_eq!(from_str("1a"), Err(SyntaxError(TrailingCharacters, 1, 2)));
- assert_eq!(from_str("[]a"), Err(SyntaxError(TrailingCharacters, 1, 3)));
- assert_eq!(from_str("{}a"), Err(SyntaxError(TrailingCharacters, 1, 3)));
- }
-
- #[test]
- fn test_read_identifiers() {
- assert_eq!(from_str("n"), Err(SyntaxError(InvalidSyntax, 1, 2)));
- assert_eq!(from_str("nul"), Err(SyntaxError(InvalidSyntax, 1, 4)));
- assert_eq!(from_str("t"), Err(SyntaxError(InvalidSyntax, 1, 2)));
- assert_eq!(from_str("truz"), Err(SyntaxError(InvalidSyntax, 1, 4)));
- assert_eq!(from_str("f"), Err(SyntaxError(InvalidSyntax, 1, 2)));
- assert_eq!(from_str("faz"), Err(SyntaxError(InvalidSyntax, 1, 3)));
-
- assert_eq!(from_str("null"), Ok(Null));
- assert_eq!(from_str("true"), Ok(Boolean(true)));
- assert_eq!(from_str("false"), Ok(Boolean(false)));
- assert_eq!(from_str(" null "), Ok(Null));
- assert_eq!(from_str(" true "), Ok(Boolean(true)));
- assert_eq!(from_str(" false "), Ok(Boolean(false)));
- }
-
- #[test]
- fn test_decode_identifiers() {
- let v: () = super::decode("null").unwrap();
- assert_eq!(v, ());
-
- let v: bool = super::decode("true").unwrap();
- assert_eq!(v, true);
-
- let v: bool = super::decode("false").unwrap();
- assert_eq!(v, false);
- }
-
- #[test]
- fn test_read_number() {
- assert_eq!(from_str("+"), Err(SyntaxError(InvalidSyntax, 1, 1)));
- assert_eq!(from_str("."), Err(SyntaxError(InvalidSyntax, 1, 1)));
- assert_eq!(from_str("NaN"), Err(SyntaxError(InvalidSyntax, 1, 1)));
- assert_eq!(from_str("-"), Err(SyntaxError(InvalidNumber, 1, 2)));
- assert_eq!(from_str("00"), Err(SyntaxError(InvalidNumber, 1, 2)));
- assert_eq!(from_str("1."), Err(SyntaxError(InvalidNumber, 1, 3)));
- assert_eq!(from_str("1e"), Err(SyntaxError(InvalidNumber, 1, 3)));
- assert_eq!(from_str("1e+"), Err(SyntaxError(InvalidNumber, 1, 4)));
-
- assert_eq!(from_str("18446744073709551616"), Err(SyntaxError(InvalidNumber, 1, 20)));
- assert_eq!(from_str("-9223372036854775809"), Err(SyntaxError(InvalidNumber, 1, 21)));
-
- assert_eq!(from_str("3"), Ok(U64(3)));
- assert_eq!(from_str("3.1"), Ok(F64(3.1)));
- assert_eq!(from_str("-1.2"), Ok(F64(-1.2)));
- assert_eq!(from_str("0.4"), Ok(F64(0.4)));
- assert_eq!(from_str("0.4e5"), Ok(F64(0.4e5)));
- assert_eq!(from_str("0.4e+15"), Ok(F64(0.4e15)));
- assert_eq!(from_str("0.4e-01"), Ok(F64(0.4e-01)));
- assert_eq!(from_str(" 3 "), Ok(U64(3)));
-
- assert_eq!(from_str("-9223372036854775808"), Ok(I64(i64::MIN)));
- assert_eq!(from_str("9223372036854775807"), Ok(U64(i64::MAX as u64)));
- assert_eq!(from_str("18446744073709551615"), Ok(U64(u64::MAX)));
- }
-
- #[test]
- fn test_decode_numbers() {
- let v: f64 = super::decode("3").unwrap();
- assert_eq!(v, 3.0);
-
- let v: f64 = super::decode("3.1").unwrap();
- assert_eq!(v, 3.1);
-
- let v: f64 = super::decode("-1.2").unwrap();
- assert_eq!(v, -1.2);
-
- let v: f64 = super::decode("0.4").unwrap();
- assert_eq!(v, 0.4);
-
- let v: f64 = super::decode("0.4e5").unwrap();
- assert_eq!(v, 0.4e5);
-
- let v: f64 = super::decode("0.4e15").unwrap();
- assert_eq!(v, 0.4e15);
-
- let v: f64 = super::decode("0.4e-01").unwrap();
- assert_eq!(v, 0.4e-01);
-
- let v: u64 = super::decode("0").unwrap();
- assert_eq!(v, 0);
-
- let v: u64 = super::decode("18446744073709551615").unwrap();
- assert_eq!(v, u64::MAX);
-
- let v: i64 = super::decode("-9223372036854775808").unwrap();
- assert_eq!(v, i64::MIN);
-
- let v: i64 = super::decode("9223372036854775807").unwrap();
- assert_eq!(v, i64::MAX);
-
- let res: DecodeResult<i64> = super::decode("765.25");
- assert_eq!(res, Err(ExpectedError("Integer".to_string(),
- "765.25".to_string())));
- }
-
- #[test]
- fn test_read_str() {
- assert_eq!(from_str("\""), Err(SyntaxError(EOFWhileParsingString, 1, 2)));
- assert_eq!(from_str("\"lol"), Err(SyntaxError(EOFWhileParsingString, 1, 5)));
-
- assert_eq!(from_str("\"\""), Ok(String("".to_string())));
- assert_eq!(from_str("\"foo\""), Ok(String("foo".to_string())));
- assert_eq!(from_str("\"\\\"\""), Ok(String("\"".to_string())));
- assert_eq!(from_str("\"\\b\""), Ok(String("\x08".to_string())));
- assert_eq!(from_str("\"\\n\""), Ok(String("\n".to_string())));
- assert_eq!(from_str("\"\\r\""), Ok(String("\r".to_string())));
- assert_eq!(from_str("\"\\t\""), Ok(String("\t".to_string())));
- assert_eq!(from_str(" \"foo\" "), Ok(String("foo".to_string())));
- assert_eq!(from_str("\"\\u12ab\""), Ok(String("\u{12ab}".to_string())));
- assert_eq!(from_str("\"\\uAB12\""), Ok(String("\u{AB12}".to_string())));
- }
-
- #[test]
- fn test_decode_str() {
- let s = [("\"\"", ""),
- ("\"foo\"", "foo"),
- ("\"\\\"\"", "\""),
- ("\"\\b\"", "\x08"),
- ("\"\\n\"", "\n"),
- ("\"\\r\"", "\r"),
- ("\"\\t\"", "\t"),
- ("\"\\u12ab\"", "\u{12ab}"),
- ("\"\\uAB12\"", "\u{AB12}")];
-
- for &(i, o) in &s {
- let v: string::String = super::decode(i).unwrap();
- assert_eq!(v, o);
- }
- }
-
- #[test]
- fn test_read_array() {
- assert_eq!(from_str("["), Err(SyntaxError(EOFWhileParsingValue, 1, 2)));
- assert_eq!(from_str("[1"), Err(SyntaxError(EOFWhileParsingArray, 1, 3)));
- assert_eq!(from_str("[1,"), Err(SyntaxError(EOFWhileParsingValue, 1, 4)));
- assert_eq!(from_str("[1,]"), Err(SyntaxError(InvalidSyntax, 1, 4)));
- assert_eq!(from_str("[6 7]"), Err(SyntaxError(InvalidSyntax, 1, 4)));
-
- assert_eq!(from_str("[]"), Ok(Array(vec![])));
- assert_eq!(from_str("[ ]"), Ok(Array(vec![])));
- assert_eq!(from_str("[true]"), Ok(Array(vec![Boolean(true)])));
- assert_eq!(from_str("[ false ]"), Ok(Array(vec![Boolean(false)])));
- assert_eq!(from_str("[null]"), Ok(Array(vec![Null])));
- assert_eq!(from_str("[3, 1]"),
- Ok(Array(vec![U64(3), U64(1)])));
- assert_eq!(from_str("\n[3, 2]\n"),
- Ok(Array(vec![U64(3), U64(2)])));
- assert_eq!(from_str("[2, [4, 1]]"),
- Ok(Array(vec![U64(2), Array(vec![U64(4), U64(1)])])));
- }
-
- #[test]
- fn test_decode_array() {
- let v: Vec<()> = super::decode("[]").unwrap();
- assert_eq!(v, []);
-
- let v: Vec<()> = super::decode("[null]").unwrap();
- assert_eq!(v, [()]);
-
- let v: Vec<bool> = super::decode("[true]").unwrap();
- assert_eq!(v, [true]);
-
- let v: Vec<isize> = super::decode("[3, 1]").unwrap();
- assert_eq!(v, [3, 1]);
-
- let v: Vec<Vec<usize>> = super::decode("[[3], [1, 2]]").unwrap();
- assert_eq!(v, [vec![3], vec![1, 2]]);
- }
-
- #[test]
- fn test_decode_tuple() {
- let t: (usize, usize, usize) = super::decode("[1, 2, 3]").unwrap();
- assert_eq!(t, (1, 2, 3));
-
- let t: (usize, string::String) = super::decode("[1, \"two\"]").unwrap();
- assert_eq!(t, (1, "two".to_string()));
- }
-
- #[test]
- fn test_decode_tuple_malformed_types() {
- assert!(super::decode::<(usize, string::String)>("[1, 2]").is_err());
- }
-
- #[test]
- fn test_decode_tuple_malformed_length() {
- assert!(super::decode::<(usize, usize)>("[1, 2, 3]").is_err());
- }
-
- #[test]
- fn test_read_object() {
- assert_eq!(from_str("{"), Err(SyntaxError(EOFWhileParsingObject, 1, 2)));
- assert_eq!(from_str("{ "), Err(SyntaxError(EOFWhileParsingObject, 1, 3)));
- assert_eq!(from_str("{1"), Err(SyntaxError(KeyMustBeAString, 1, 2)));
- assert_eq!(from_str("{ \"a\""), Err(SyntaxError(EOFWhileParsingObject, 1, 6)));
- assert_eq!(from_str("{\"a\""), Err(SyntaxError(EOFWhileParsingObject, 1, 5)));
- assert_eq!(from_str("{\"a\" "), Err(SyntaxError(EOFWhileParsingObject, 1, 6)));
-
- assert_eq!(from_str("{\"a\" 1"), Err(SyntaxError(ExpectedColon, 1, 6)));
- assert_eq!(from_str("{\"a\":"), Err(SyntaxError(EOFWhileParsingValue, 1, 6)));
- assert_eq!(from_str("{\"a\":1"), Err(SyntaxError(EOFWhileParsingObject, 1, 7)));
- assert_eq!(from_str("{\"a\":1 1"), Err(SyntaxError(InvalidSyntax, 1, 8)));
- assert_eq!(from_str("{\"a\":1,"), Err(SyntaxError(EOFWhileParsingObject, 1, 8)));
-
- assert_eq!(from_str("{}").unwrap(), mk_object(&[]));
- assert_eq!(from_str("{\"a\": 3}").unwrap(),
- mk_object(&[("a".to_string(), U64(3))]));
-
- assert_eq!(from_str(
- "{ \"a\": null, \"b\" : true }").unwrap(),
- mk_object(&[
- ("a".to_string(), Null),
- ("b".to_string(), Boolean(true))]));
- assert_eq!(from_str("\n{ \"a\": null, \"b\" : true }\n").unwrap(),
- mk_object(&[
- ("a".to_string(), Null),
- ("b".to_string(), Boolean(true))]));
- assert_eq!(from_str(
- "{\"a\" : 1.0 ,\"b\": [ true ]}").unwrap(),
- mk_object(&[
- ("a".to_string(), F64(1.0)),
- ("b".to_string(), Array(vec![Boolean(true)]))
- ]));
- assert_eq!(from_str(
- "{\
- \"a\": 1.0, \
- \"b\": [\
- true,\
- \"foo\\nbar\", \
- { \"c\": {\"d\": null} } \
- ]\
- }").unwrap(),
- mk_object(&[
- ("a".to_string(), F64(1.0)),
- ("b".to_string(), Array(vec![
- Boolean(true),
- String("foo\nbar".to_string()),
- mk_object(&[
- ("c".to_string(), mk_object(&[("d".to_string(), Null)]))
- ])
- ]))
- ]));
- }
-
- #[test]
- fn test_decode_struct() {
- let s = "{
- \"inner\": [
- { \"a\": null, \"b\": 2, \"c\": [\"abc\", \"xyz\"] }
- ]
- }";
-
- let v: Outer = super::decode(s).unwrap();
- assert_eq!(
- v,
- Outer {
- inner: vec![
- Inner { a: (), b: 2, c: vec!["abc".to_string(), "xyz".to_string()] }
- ]
- }
- );
- }
-
- #[derive(RustcDecodable)]
- struct FloatStruct {
- f: f64,
- a: Vec<f64>
- }
- #[test]
- fn test_decode_struct_with_nan() {
- let s = "{\"f\":null,\"a\":[null,123]}";
- let obj: FloatStruct = super::decode(s).unwrap();
- assert!(obj.f.is_nan());
- assert!(obj.a[0].is_nan());
- assert_eq!(obj.a[1], 123f64);
- }
-
- #[test]
- fn test_decode_option() {
- let value: Option<string::String> = super::decode("null").unwrap();
- assert_eq!(value, None);
-
- let value: Option<string::String> = super::decode("\"jodhpurs\"").unwrap();
- assert_eq!(value, Some("jodhpurs".to_string()));
- }
-
- #[test]
- fn test_decode_enum() {
- let value: Animal = super::decode("\"Dog\"").unwrap();
- assert_eq!(value, Dog);
-
- let s = "{\"variant\":\"Frog\",\"fields\":[\"Henry\",349]}";
- let value: Animal = super::decode(s).unwrap();
- assert_eq!(value, Frog("Henry".to_string(), 349));
- }
-
- #[test]
- fn test_decode_map() {
- let s = "{\"a\": \"Dog\", \"b\": {\"variant\":\"Frog\",\
- \"fields\":[\"Henry\", 349]}}";
- let mut map: BTreeMap<string::String, Animal> = super::decode(s).unwrap();
-
- assert_eq!(map.remove(&"a".to_string()), Some(Dog));
- assert_eq!(map.remove(&"b".to_string()), Some(Frog("Henry".to_string(), 349)));
- }
-
- #[test]
- fn test_multiline_errors() {
- assert_eq!(from_str("{\n \"foo\":\n \"bar\""),
- Err(SyntaxError(EOFWhileParsingObject, 3, 8)));
- }
-
- #[derive(RustcDecodable)]
- #[allow(dead_code)]
- struct DecodeStruct {
- x: f64,
- y: bool,
- z: string::String,
- w: Vec<DecodeStruct>
- }
- #[derive(RustcDecodable)]
- enum DecodeEnum {
- A(f64),
- B(string::String)
- }
- fn check_err<T: Decodable>(to_parse: &'static str, expected: DecoderError) {
- let res: DecodeResult<T> = match from_str(to_parse) {
- Err(e) => Err(ParseError(e)),
- Ok(json) => Decodable::decode(&mut Decoder::new(json))
- };
- match res {
- Ok(_) => panic!("`{:?}` parsed & decoded ok, expecting error `{:?}`",
- to_parse, expected),
- Err(ParseError(e)) => panic!("`{:?}` is not valid json: {:?}",
- to_parse, e),
- Err(e) => {
- assert_eq!(e, expected);
- }
- }
- }
- #[test]
- fn test_decode_errors_struct() {
- check_err::<DecodeStruct>("[]", ExpectedError("Object".to_string(), "[]".to_string()));
- check_err::<DecodeStruct>("{\"x\": true, \"y\": true, \"z\": \"\", \"w\": []}",
- ExpectedError("Number".to_string(), "true".to_string()));
- check_err::<DecodeStruct>("{\"x\": 1, \"y\": [], \"z\": \"\", \"w\": []}",
- ExpectedError("Boolean".to_string(), "[]".to_string()));
- check_err::<DecodeStruct>("{\"x\": 1, \"y\": true, \"z\": {}, \"w\": []}",
- ExpectedError("String".to_string(), "{}".to_string()));
- check_err::<DecodeStruct>("{\"x\": 1, \"y\": true, \"z\": \"\", \"w\": null}",
- ExpectedError("Array".to_string(), "null".to_string()));
- check_err::<DecodeStruct>("{\"x\": 1, \"y\": true, \"z\": \"\"}",
- MissingFieldError("w".to_string()));
- }
- #[test]
- fn test_decode_errors_enum() {
- check_err::<DecodeEnum>("{}",
- MissingFieldError("variant".to_string()));
- check_err::<DecodeEnum>("{\"variant\": 1}",
- ExpectedError("String".to_string(), "1".to_string()));
- check_err::<DecodeEnum>("{\"variant\": \"A\"}",
- MissingFieldError("fields".to_string()));
- check_err::<DecodeEnum>("{\"variant\": \"A\", \"fields\": null}",
- ExpectedError("Array".to_string(), "null".to_string()));
- check_err::<DecodeEnum>("{\"variant\": \"C\", \"fields\": []}",
- UnknownVariantError("C".to_string()));
- }
-
- #[test]
- fn test_find(){
- let json_value = from_str("{\"dog\" : \"cat\"}").unwrap();
- let found_str = json_value.find("dog");
- assert!(found_str.unwrap().as_string().unwrap() == "cat");
- }
-
- #[test]
- fn test_find_path(){
- let json_value = from_str("{\"dog\":{\"cat\": {\"mouse\" : \"cheese\"}}}").unwrap();
- let found_str = json_value.find_path(&["dog", "cat", "mouse"]);
- assert!(found_str.unwrap().as_string().unwrap() == "cheese");
- }
-
- #[test]
- fn test_search(){
- let json_value = from_str("{\"dog\":{\"cat\": {\"mouse\" : \"cheese\"}}}").unwrap();
- let found_str = json_value.search("mouse").and_then(|j| j.as_string());
- assert!(found_str.unwrap() == "cheese");
- }
-
- #[test]
- fn test_index(){
- let json_value = from_str("{\"animals\":[\"dog\",\"cat\",\"mouse\"]}").unwrap();
- let ref array = json_value["animals"];
- assert_eq!(array[0].as_string().unwrap(), "dog");
- assert_eq!(array[1].as_string().unwrap(), "cat");
- assert_eq!(array[2].as_string().unwrap(), "mouse");
- }
-
- #[test]
- fn test_is_object(){
- let json_value = from_str("{}").unwrap();
- assert!(json_value.is_object());
- }
-
- #[test]
- fn test_as_object(){
- let json_value = from_str("{}").unwrap();
- let json_object = json_value.as_object();
- assert!(json_object.is_some());
- }
-
- #[test]
- fn test_is_array(){
- let json_value = from_str("[1, 2, 3]").unwrap();
- assert!(json_value.is_array());
- }
-
- #[test]
- fn test_as_array(){
- let json_value = from_str("[1, 2, 3]").unwrap();
- let json_array = json_value.as_array();
- let expected_length = 3;
- assert!(json_array.is_some() && json_array.unwrap().len() == expected_length);
- }
-
- #[test]
- fn test_is_string(){
- let json_value = from_str("\"dog\"").unwrap();
- assert!(json_value.is_string());
- }
-
- #[test]
- fn test_as_string(){
- let json_value = from_str("\"dog\"").unwrap();
- let json_str = json_value.as_string();
- let expected_str = "dog";
- assert_eq!(json_str, Some(expected_str));
- }
-
- #[test]
- fn test_is_number(){
- let json_value = from_str("12").unwrap();
- assert!(json_value.is_number());
- }
-
- #[test]
- fn test_is_i64(){
- let json_value = from_str("-12").unwrap();
- assert!(json_value.is_i64());
-
- let json_value = from_str("12").unwrap();
- assert!(!json_value.is_i64());
-
- let json_value = from_str("12.0").unwrap();
- assert!(!json_value.is_i64());
- }
-
- #[test]
- fn test_is_u64(){
- let json_value = from_str("12").unwrap();
- assert!(json_value.is_u64());
-
- let json_value = from_str("-12").unwrap();
- assert!(!json_value.is_u64());
-
- let json_value = from_str("12.0").unwrap();
- assert!(!json_value.is_u64());
- }
-
- #[test]
- fn test_is_f64(){
- let json_value = from_str("12").unwrap();
- assert!(!json_value.is_f64());
-
- let json_value = from_str("-12").unwrap();
- assert!(!json_value.is_f64());
-
- let json_value = from_str("12.0").unwrap();
- assert!(json_value.is_f64());
-
- let json_value = from_str("-12.0").unwrap();
- assert!(json_value.is_f64());
- }
-
- #[test]
- fn test_as_i64(){
- let json_value = from_str("-12").unwrap();
- let json_num = json_value.as_i64();
- assert_eq!(json_num, Some(-12));
- }
-
- #[test]
- fn test_as_u64(){
- let json_value = from_str("12").unwrap();
- let json_num = json_value.as_u64();
- assert_eq!(json_num, Some(12));
- }
-
- #[test]
- fn test_as_f64(){
- let json_value = from_str("12.0").unwrap();
- let json_num = json_value.as_f64();
- assert_eq!(json_num, Some(12f64));
- }
-
- #[test]
- fn test_is_boolean(){
- let json_value = from_str("false").unwrap();
- assert!(json_value.is_boolean());
- }
-
- #[test]
- fn test_as_boolean(){
- let json_value = from_str("false").unwrap();
- let json_bool = json_value.as_boolean();
- let expected_bool = false;
- assert!(json_bool.is_some() && json_bool.unwrap() == expected_bool);
- }
-
- #[test]
- fn test_is_null(){
- let json_value = from_str("null").unwrap();
- assert!(json_value.is_null());
- }
-
- #[test]
- fn test_as_null(){
- let json_value = from_str("null").unwrap();
- let json_null = json_value.as_null();
- let expected_null = ();
- assert!(json_null.is_some() && json_null.unwrap() == expected_null);
- }
-
- #[test]
- fn test_encode_hashmap_with_numeric_key() {
- use std::str::from_utf8;
- use std::collections::HashMap;
- let mut hm: HashMap<usize, bool> = HashMap::new();
- hm.insert(1, true);
- let mut mem_buf = Vec::new();
- write!(&mut mem_buf, "{}", super::as_pretty_json(&hm)).unwrap();
- let json_str = from_utf8(&mem_buf[..]).unwrap();
- match from_str(json_str) {
- Err(_) => panic!("Unable to parse json_str: {:?}", json_str),
- _ => {} // it parsed and we are good to go
- }
- }
-
- #[test]
- fn test_prettyencode_hashmap_with_numeric_key() {
- use std::str::from_utf8;
- use std::collections::HashMap;
- let mut hm: HashMap<usize, bool> = HashMap::new();
- hm.insert(1, true);
- let mut mem_buf = Vec::new();
- write!(&mut mem_buf, "{}", super::as_pretty_json(&hm)).unwrap();
- let json_str = from_utf8(&mem_buf[..]).unwrap();
- match from_str(json_str) {
- Err(_) => panic!("Unable to parse json_str: {:?}", json_str),
- _ => {} // it parsed and we are good to go
- }
- }
-
- #[test]
- fn test_prettyencoder_indent_level_param() {
- use std::str::from_utf8;
- use std::collections::BTreeMap;
-
- let mut tree = BTreeMap::new();
-
- tree.insert("hello".to_string(), String("guten tag".to_string()));
- tree.insert("goodbye".to_string(), String("sayonara".to_string()));
-
- let json = Array(
- // The following layout below should look a lot like
- // the pretty-printed JSON (indent * x)
- vec!
- ( // 0x
- String("greetings".to_string()), // 1x
- Object(tree), // 1x + 2x + 2x + 1x
- ) // 0x
- // End JSON array (7 lines)
- );
-
- // Helper function for counting indents
- fn indents(source: &str) -> usize {
- let trimmed = source.trim_start_matches(' ');
- source.len() - trimmed.len()
- }
-
- // Test up to 4 spaces of indents (more?)
- for i in 0..4 {
- let mut writer = Vec::new();
- write!(&mut writer, "{}",
- super::as_pretty_json(&json).indent(i)).unwrap();
-
- let printed = from_utf8(&writer[..]).unwrap();
-
- // Check for indents at each line
- let lines: Vec<&str> = printed.lines().collect();
- assert_eq!(lines.len(), 7); // JSON should be 7 lines
-
- assert_eq!(indents(lines[0]), 0 * i); // [
- assert_eq!(indents(lines[1]), 1 * i); // "greetings",
- assert_eq!(indents(lines[2]), 1 * i); // {
- assert_eq!(indents(lines[3]), 2 * i); // "hello": "guten tag",
- assert_eq!(indents(lines[4]), 2 * i); // "goodbye": "sayonara"
- assert_eq!(indents(lines[5]), 1 * i); // },
- assert_eq!(indents(lines[6]), 0 * i); // ]
-
- // Finally, test that the pretty-printed JSON is valid
- from_str(printed).ok().expect("Pretty-printed JSON is invalid!");
- }
- }
-
- #[test]
- fn test_hashmap_with_enum_key() {
- use std::collections::HashMap;
- use json;
- #[derive(RustcEncodable, Eq, Hash, PartialEq, RustcDecodable, Debug)]
- enum Enum {
- Foo,
- #[allow(dead_code)]
- Bar,
- }
- let mut map = HashMap::new();
- map.insert(Enum::Foo, 0);
- let result = json::encode(&map).unwrap();
- assert_eq!(&result[..], r#"{"Foo":0}"#);
- let decoded: HashMap<Enum, _> = json::decode(&result).unwrap();
- assert_eq!(map, decoded);
- }
-
- #[test]
- fn test_hashmap_with_numeric_key_can_handle_double_quote_delimited_key() {
- use std::collections::HashMap;
- use Decodable;
- let json_str = "{\"1\":true}";
- let json_obj = match from_str(json_str) {
- Err(_) => panic!("Unable to parse json_str: {:?}", json_str),
- Ok(o) => o
- };
- let mut decoder = Decoder::new(json_obj);
- let _hm: HashMap<usize, bool> = Decodable::decode(&mut decoder).unwrap();
- }
-
- #[test]
- fn test_hashmap_with_numeric_key_will_error_with_string_keys() {
- use std::collections::HashMap;
- use Decodable;
- let json_str = "{\"a\":true}";
- let json_obj = match from_str(json_str) {
- Err(_) => panic!("Unable to parse json_str: {:?}", json_str),
- Ok(o) => o
- };
- let mut decoder = Decoder::new(json_obj);
- let result: Result<HashMap<usize, bool>, DecoderError> = Decodable::decode(&mut decoder);
- assert_eq!(result, Err(ExpectedError("Number".to_string(), "a".to_string())));
- }
-
- fn assert_stream_equal(src: &str,
- expected: Vec<(JsonEvent, Vec<StackElement>)>) {
- let mut parser = Parser::new(src.chars());
- let mut i = 0;
- loop {
- let evt = match parser.next() {
- Some(e) => e,
- None => { break; }
- };
- let (ref expected_evt, ref expected_stack) = expected[i];
- if !parser.stack().is_equal_to(expected_stack) {
- panic!("Parser stack is not equal to {:?}", expected_stack);
- }
- assert_eq!(&evt, expected_evt);
- i+=1;
- }
- }
- #[test]
- fn test_streaming_parser() {
- assert_stream_equal(
- r#"{ "foo":"bar", "array" : [0, 1, 2, 3, 4, 5], "idents":[null,true,false]}"#,
- vec![
- (ObjectStart, vec![]),
- (StringValue("bar".to_string()), vec![StackElement::Key("foo")]),
- (ArrayStart, vec![StackElement::Key("array")]),
- (U64Value(0), vec![StackElement::Key("array"), StackElement::Index(0)]),
- (U64Value(1), vec![StackElement::Key("array"), StackElement::Index(1)]),
- (U64Value(2), vec![StackElement::Key("array"), StackElement::Index(2)]),
- (U64Value(3), vec![StackElement::Key("array"), StackElement::Index(3)]),
- (U64Value(4), vec![StackElement::Key("array"), StackElement::Index(4)]),
- (U64Value(5), vec![StackElement::Key("array"), StackElement::Index(5)]),
- (ArrayEnd, vec![StackElement::Key("array")]),
- (ArrayStart, vec![StackElement::Key("idents")]),
- (NullValue, vec![StackElement::Key("idents"),
- StackElement::Index(0)]),
- (BooleanValue(true), vec![StackElement::Key("idents"),
- StackElement::Index(1)]),
- (BooleanValue(false), vec![StackElement::Key("idents"),
- StackElement::Index(2)]),
- (ArrayEnd, vec![StackElement::Key("idents")]),
- (ObjectEnd, vec![]),
- ]
- );
- }
- fn last_event(src: &str) -> JsonEvent {
- let mut parser = Parser::new(src.chars());
- let mut evt = NullValue;
- loop {
- evt = match parser.next() {
- Some(e) => e,
- None => return evt,
- }
- }
- }
-
- #[test]
- fn test_read_object_streaming() {
- assert_eq!(last_event("{ "), Error(SyntaxError(EOFWhileParsingObject, 1, 3)));
- assert_eq!(last_event("{1"), Error(SyntaxError(KeyMustBeAString, 1, 2)));
- assert_eq!(last_event("{ \"a\""), Error(SyntaxError(EOFWhileParsingObject, 1, 6)));
- assert_eq!(last_event("{\"a\""), Error(SyntaxError(EOFWhileParsingObject, 1, 5)));
- assert_eq!(last_event("{\"a\" "), Error(SyntaxError(EOFWhileParsingObject, 1, 6)));
-
- assert_eq!(last_event("{\"a\" 1"), Error(SyntaxError(ExpectedColon, 1, 6)));
- assert_eq!(last_event("{\"a\":"), Error(SyntaxError(EOFWhileParsingValue, 1, 6)));
- assert_eq!(last_event("{\"a\":1"), Error(SyntaxError(EOFWhileParsingObject, 1, 7)));
- assert_eq!(last_event("{\"a\":1 1"), Error(SyntaxError(InvalidSyntax, 1, 8)));
- assert_eq!(last_event("{\"a\":1,"), Error(SyntaxError(EOFWhileParsingObject, 1, 8)));
- assert_eq!(last_event("{\"a\":1,}"), Error(SyntaxError(TrailingComma, 1, 8)));
-
- assert_stream_equal(
- "{}",
- vec![(ObjectStart, vec![]), (ObjectEnd, vec![])]
- );
- assert_stream_equal(
- "{\"a\": 3}",
- vec![
- (ObjectStart, vec![]),
- (U64Value(3), vec![StackElement::Key("a")]),
- (ObjectEnd, vec![]),
- ]
- );
- assert_stream_equal(
- "{ \"a\": null, \"b\" : true }",
- vec![
- (ObjectStart, vec![]),
- (NullValue, vec![StackElement::Key("a")]),
- (BooleanValue(true), vec![StackElement::Key("b")]),
- (ObjectEnd, vec![]),
- ]
- );
- assert_stream_equal(
- "{\"a\" : 1.0 ,\"b\": [ true ]}",
- vec![
- (ObjectStart, vec![]),
- (F64Value(1.0), vec![StackElement::Key("a")]),
- (ArrayStart, vec![StackElement::Key("b")]),
- (BooleanValue(true),vec![StackElement::Key("b"), StackElement::Index(0)]),
- (ArrayEnd, vec![StackElement::Key("b")]),
- (ObjectEnd, vec![]),
- ]
- );
- assert_stream_equal(
- r#"{
- "a": 1.0,
- "b": [
- true,
- "foo\nbar",
- { "c": {"d": null} }
- ]
- }"#,
- vec![
- (ObjectStart, vec![]),
- (F64Value(1.0), vec![StackElement::Key("a")]),
- (ArrayStart, vec![StackElement::Key("b")]),
- (BooleanValue(true), vec![StackElement::Key("b"),
- StackElement::Index(0)]),
- (StringValue("foo\nbar".to_string()), vec![StackElement::Key("b"),
- StackElement::Index(1)]),
- (ObjectStart, vec![StackElement::Key("b"),
- StackElement::Index(2)]),
- (ObjectStart, vec![StackElement::Key("b"),
- StackElement::Index(2),
- StackElement::Key("c")]),
- (NullValue, vec![StackElement::Key("b"),
- StackElement::Index(2),
- StackElement::Key("c"),
- StackElement::Key("d")]),
- (ObjectEnd, vec![StackElement::Key("b"),
- StackElement::Index(2),
- StackElement::Key("c")]),
- (ObjectEnd, vec![StackElement::Key("b"),
- StackElement::Index(2)]),
- (ArrayEnd, vec![StackElement::Key("b")]),
- (ObjectEnd, vec![]),
- ]
- );
- }
- #[test]
- fn test_read_array_streaming() {
- assert_stream_equal(
- "[]",
- vec![
- (ArrayStart, vec![]),
- (ArrayEnd, vec![]),
- ]
- );
- assert_stream_equal(
- "[ ]",
- vec![
- (ArrayStart, vec![]),
- (ArrayEnd, vec![]),
- ]
- );
- assert_stream_equal(
- "[true]",
- vec![
- (ArrayStart, vec![]),
- (BooleanValue(true), vec![StackElement::Index(0)]),
- (ArrayEnd, vec![]),
- ]
- );
- assert_stream_equal(
- "[ false ]",
- vec![
- (ArrayStart, vec![]),
- (BooleanValue(false), vec![StackElement::Index(0)]),
- (ArrayEnd, vec![]),
- ]
- );
- assert_stream_equal(
- "[null]",
- vec![
- (ArrayStart, vec![]),
- (NullValue, vec![StackElement::Index(0)]),
- (ArrayEnd, vec![]),
- ]
- );
- assert_stream_equal(
- "[3, 1]",
- vec![
- (ArrayStart, vec![]),
- (U64Value(3), vec![StackElement::Index(0)]),
- (U64Value(1), vec![StackElement::Index(1)]),
- (ArrayEnd, vec![]),
- ]
- );
- assert_stream_equal(
- "\n[3, 2]\n",
- vec![
- (ArrayStart, vec![]),
- (U64Value(3), vec![StackElement::Index(0)]),
- (U64Value(2), vec![StackElement::Index(1)]),
- (ArrayEnd, vec![]),
- ]
- );
- assert_stream_equal(
- "[2, [4, 1]]",
- vec![
- (ArrayStart, vec![]),
- (U64Value(2), vec![StackElement::Index(0)]),
- (ArrayStart, vec![StackElement::Index(1)]),
- (U64Value(4), vec![StackElement::Index(1), StackElement::Index(0)]),
- (U64Value(1), vec![StackElement::Index(1), StackElement::Index(1)]),
- (ArrayEnd, vec![StackElement::Index(1)]),
- (ArrayEnd, vec![]),
- ]
- );
-
- assert_eq!(last_event("["), Error(SyntaxError(EOFWhileParsingValue, 1, 2)));
-
- assert_eq!(from_str("["), Err(SyntaxError(EOFWhileParsingValue, 1, 2)));
- assert_eq!(from_str("[1"), Err(SyntaxError(EOFWhileParsingArray, 1, 3)));
- assert_eq!(from_str("[1,"), Err(SyntaxError(EOFWhileParsingValue, 1, 4)));
- assert_eq!(from_str("[1,]"), Err(SyntaxError(InvalidSyntax, 1, 4)));
- assert_eq!(from_str("[6 7]"), Err(SyntaxError(InvalidSyntax, 1, 4)));
-
- }
- #[test]
- fn test_trailing_characters_streaming() {
- assert_eq!(last_event("nulla"), Error(SyntaxError(TrailingCharacters, 1, 5)));
- assert_eq!(last_event("truea"), Error(SyntaxError(TrailingCharacters, 1, 5)));
- assert_eq!(last_event("falsea"), Error(SyntaxError(TrailingCharacters, 1, 6)));
- assert_eq!(last_event("1a"), Error(SyntaxError(TrailingCharacters, 1, 2)));
- assert_eq!(last_event("[]a"), Error(SyntaxError(TrailingCharacters, 1, 3)));
- assert_eq!(last_event("{}a"), Error(SyntaxError(TrailingCharacters, 1, 3)));
- }
- #[test]
- fn test_read_identifiers_streaming() {
- assert_eq!(Parser::new("null".chars()).next(), Some(NullValue));
- assert_eq!(Parser::new("true".chars()).next(), Some(BooleanValue(true)));
- assert_eq!(Parser::new("false".chars()).next(), Some(BooleanValue(false)));
-
- assert_eq!(last_event("n"), Error(SyntaxError(InvalidSyntax, 1, 2)));
- assert_eq!(last_event("nul"), Error(SyntaxError(InvalidSyntax, 1, 4)));
- assert_eq!(last_event("t"), Error(SyntaxError(InvalidSyntax, 1, 2)));
- assert_eq!(last_event("truz"), Error(SyntaxError(InvalidSyntax, 1, 4)));
- assert_eq!(last_event("f"), Error(SyntaxError(InvalidSyntax, 1, 2)));
- assert_eq!(last_event("faz"), Error(SyntaxError(InvalidSyntax, 1, 3)));
- }
-
#[test]
fn test_stack() {
let mut stack = Stack::new();
assert!(stack.get(1) == StackElement::Key("foo"));
}
- #[test]
- fn test_to_json() {
- use std::collections::{HashMap,BTreeMap};
- use super::ToJson;
-
- let array2 = Array(vec![U64(1), U64(2)]);
- let array3 = Array(vec![U64(1), U64(2), U64(3)]);
- let object = {
- let mut tree_map = BTreeMap::new();
- tree_map.insert("a".to_string(), U64(1));
- tree_map.insert("b".to_string(), U64(2));
- Object(tree_map)
- };
-
- assert_eq!(array2.to_json(), array2);
- assert_eq!(object.to_json(), object);
- assert_eq!(3_isize.to_json(), I64(3));
- assert_eq!(4_i8.to_json(), I64(4));
- assert_eq!(5_i16.to_json(), I64(5));
- assert_eq!(6_i32.to_json(), I64(6));
- assert_eq!(7_i64.to_json(), I64(7));
- assert_eq!(8_usize.to_json(), U64(8));
- assert_eq!(9_u8.to_json(), U64(9));
- assert_eq!(10_u16.to_json(), U64(10));
- assert_eq!(11_u32.to_json(), U64(11));
- assert_eq!(12_u64.to_json(), U64(12));
- assert_eq!(13.0_f32.to_json(), F64(13.0_f64));
- assert_eq!(14.0_f64.to_json(), F64(14.0_f64));
- assert_eq!(().to_json(), Null);
- assert_eq!(f32::INFINITY.to_json(), Null);
- assert_eq!(f64::NAN.to_json(), Null);
- assert_eq!(true.to_json(), Boolean(true));
- assert_eq!(false.to_json(), Boolean(false));
- assert_eq!("abc".to_json(), String("abc".to_string()));
- assert_eq!("abc".to_string().to_json(), String("abc".to_string()));
- assert_eq!((1_usize, 2_usize).to_json(), array2);
- assert_eq!((1_usize, 2_usize, 3_usize).to_json(), array3);
- assert_eq!([1_usize, 2_usize].to_json(), array2);
- assert_eq!((&[1_usize, 2_usize, 3_usize]).to_json(), array3);
- assert_eq!((vec![1_usize, 2_usize]).to_json(), array2);
- assert_eq!(vec![1_usize, 2_usize, 3_usize].to_json(), array3);
- let mut tree_map = BTreeMap::new();
- tree_map.insert("a".to_string(), 1 as usize);
- tree_map.insert("b".to_string(), 2);
- assert_eq!(tree_map.to_json(), object);
- let mut hash_map = HashMap::new();
- hash_map.insert("a".to_string(), 1 as usize);
- hash_map.insert("b".to_string(), 2);
- assert_eq!(hash_map.to_json(), object);
- assert_eq!(Some(15).to_json(), I64(15));
- assert_eq!(Some(15 as usize).to_json(), U64(15));
- assert_eq!(None::<isize>.to_json(), Null);
- }
-
- #[test]
- fn test_encode_hashmap_with_arbitrary_key() {
- use std::collections::HashMap;
- #[derive(PartialEq, Eq, Hash, RustcEncodable)]
- struct ArbitraryType(usize);
- let mut hm: HashMap<ArbitraryType, bool> = HashMap::new();
- hm.insert(ArbitraryType(1), true);
- let mut mem_buf = string::String::new();
- let mut encoder = Encoder::new(&mut mem_buf);
- let result = hm.encode(&mut encoder);
- match result.unwrap_err() {
- EncoderError::BadHashmapKey => (),
- _ => panic!("expected bad hash map key")
- }
- }
-
#[bench]
fn bench_streaming_small(b: &mut Bencher) {
b.iter( || {
projects / rust.git / blobdiff