serde/serde2/tests/test_json.rs
2015-03-04 09:45:11 -08:00

1387 lines
37 KiB
Rust

#![feature(io, plugin, test)]
#![plugin(serde2_macros)]
extern crate test;
extern crate serde2;
use std::fmt::Debug;
use std::string;
use std::collections::BTreeMap;
use serde2::de;
use serde2::ser;
use serde2::json::{
self,
Deserializer,
Error,
Serializer,
Value,
from_str,
from_value,
to_value,
};
use serde2::json::error::Error::{
SyntaxError,
};
use serde2::json::error::ErrorCode::{
EOFWhileParsingList,
EOFWhileParsingObject,
EOFWhileParsingString,
EOFWhileParsingValue,
ExpectedColon,
ExpectedListCommaOrEnd,
ExpectedObjectCommaOrEnd,
ExpectedSomeIdent,
ExpectedSomeValue,
InvalidNumber,
KeyMustBeAString,
TrailingCharacters,
};
macro_rules! treemap {
($($k:expr => $v:expr),*) => ({
let mut _m = ::std::collections::BTreeMap::new();
$(_m.insert($k, $v);)*
_m
})
}
#[derive(PartialEq, Debug)]
#[derive_serialize]
#[derive_deserialize]
enum Animal {
Dog,
Frog(String, Vec<isize>),
Cat { age: usize, name: String },
}
#[derive(PartialEq, Debug)]
#[derive_serialize]
#[derive_deserialize]
struct Inner {
a: (),
b: usize,
c: Vec<string::String>,
}
#[derive(PartialEq, Debug)]
#[derive_serialize]
#[derive_deserialize]
struct Outer {
inner: Vec<Inner>,
}
fn test_encode_ok<
T: PartialEq + Debug + ser::Serialize
>(errors: &[(T, &str)]) {
for &(ref value, out) in errors {
let out = out.to_string();
let s = json::to_string(value).unwrap();
assert_eq!(s, out);
let v = to_value(&value);
let s = json::to_string(&v).unwrap();
assert_eq!(s, out);
}
}
/*
fn test_pretty_encode_ok<
T: PartialEq + Debug + ser::Serialize<json::PrettySerializer<Vec<u8>>, io::Error>
>(errors: &[(T, &str)]) {
for &(ref value, out) in errors {
let out = out.to_string();
let s = json::to_pretty_string(value).unwrap();
assert_eq!(s, out);
let s = json::to_pretty_string(&value.to_json()).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_i64() {
let tests = &[
(3i64, "3"),
(-2i64, "-2"),
(-1234i64, "-1234"),
];
test_encode_ok(tests);
//test_pretty_encode_ok(tests);
}
#[test]
fn test_write_f64() {
let tests = &[
(3.0, "3"),
(3.1, "3.1"),
(-1.5, "-1.5"),
(0.5, "0.5"),
];
test_encode_ok(tests);
//test_pretty_encode_ok(tests);
}
#[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_list() {
test_encode_ok(&[
(vec!(), "[]"),
(vec!(true), "[true]"),
(vec!(true, false), "[true,false]"),
]);
/*
test_pretty_encode_ok(&[
(vec!(), "[]"),
(
vec!(true),
concat!(
"[\n",
" true\n",
"]"
),
),
(
vec!(true, false),
concat!(
"[\n",
" true,\n",
" false\n",
"]"
),
),
]);
*/
let long_test_list = Value::Array(vec![
Value::Bool(false),
Value::Null,
Value::Array(vec![Value::String("foo\nbar".to_string()), Value::F64(3.5)])]);
test_encode_ok(&[
(long_test_list, "[false,null,[\"foo\\nbar\",3.5]]"),
]);
let long_test_list = Value::Array(vec![
Value::Bool(false),
Value::Null,
Value::Array(vec![Value::String("foo\nbar".to_string()), Value::F64(3.5)])]);
/*
test_pretty_encode_ok(&[
(
long_test_list,
concat!(
"[\n",
" false,\n",
" null,\n",
" [\n",
" \"foo\\nbar\",\n",
" 3.5\n",
" ]\n",
"]"
)
)
]);
*/
}
#[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_pretty_encode_ok(&[
(treemap!(), "{}"),
(
treemap!("a".to_string() => true),
concat!(
"{\n",
" \"a\": true\n",
"}"
),
),
(
treemap!(
"a".to_string() => true,
"b".to_string() => false
),
concat!(
"{\n",
" \"a\": true,\n",
" \"b\": false\n",
"}"
),
),
]);
*/
let complex_obj = Value::Object(treemap!(
"b".to_string() => Value::Array(vec!(
Value::Object(treemap!("c".to_string() => Value::String("\x0c\r".to_string()))),
Value::Object(treemap!("d".to_string() => Value::String("".to_string())))
))
));
test_encode_ok(&[
(
complex_obj.clone(),
"{\
\"b\":[\
{\"c\":\"\\f\\r\"},\
{\"d\":\"\"}\
]\
}"
),
]);
/*
test_pretty_encode_ok(&[
(
complex_obj.clone(),
concat!(
"{\n",
" \"b\": [\n",
" {\n",
" \"c\": \"\\f\\r\"\n",
" },\n",
" {\n",
" \"d\": \"\"\n",
" }\n",
" ]\n",
"}"
),
)
]);
*/
}
#[test]
fn test_write_tuple() {
test_encode_ok(&[
(
(5,),
"[5]",
),
]);
/*
test_pretty_encode_ok(&[
(
(5,),
concat!(
"[\n",
" 5\n",
"]"
),
),
]);
*/
test_encode_ok(&[
(
(5, (6, "abc")),
"[5,[6,\"abc\"]]",
),
]);
/*
test_pretty_encode_ok(&[
(
(5, (6, "abc")),
concat!(
"[\n",
" 5,\n",
" [\n",
" 6,\n",
" \"abc\"\n",
" ]\n",
"]"
),
),
]);
*/
}
#[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\"}}"
),
]);
/*
test_pretty_encode_ok(&[
(
Animal::Dog,
concat!(
"{\n",
" \"Dog\": []\n",
"}"
),
),
(
Animal::Frog("Henry".to_string(), vec!()),
concat!(
"{\n",
" \"Frog\": [\n",
" \"Henry\",\n",
" []\n",
" ]\n",
"}"
),
),
(
Animal::Frog("Henry".to_string(), vec!(349)),
concat!(
"{\n",
" \"Frog\": [\n",
" \"Henry\",\n",
" [\n",
" 349\n",
" ]\n",
" ]\n",
"}"
),
),
(
Animal::Frog("Henry".to_string(), vec!(349, 102)),
concat!(
"{\n",
" \"Frog\": [\n",
" \"Henry\",\n",
" [\n",
" 349,\n",
" 102\n",
" ]\n",
" ]\n",
"}"
),
),
]);
*/
}
/*
#[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")),
concat!(
"[\n",
" \"foo\",\n",
" \"bar\"\n",
"]"
),
),
]);
*/
}
// FIXME (#5527): these could be merged once UFCS is finished.
fn test_parse_err<
'a,
T: Debug + de::Deserialize
>(errors: &[(&'a str, Error)]) {
for &(s, ref err) in errors {
let v: Result<T, Error> = from_str(s);
assert_eq!(v.unwrap_err(), *err);
}
}
fn test_parse_ok<
'a,
T: PartialEq + Debug + de::Deserialize
>(errors: &[(&'a str, T)]) {
for &(s, ref value) in errors {
let v: T = from_str(s).unwrap();
assert_eq!(v, *value);
let v: Value = from_str(s).unwrap();
assert_eq!(v, value.to_json());
}
}
fn test_json_deserialize_ok<
T: PartialEq + Debug + de::Deserialize
>(errors: &[T]) {
for value in errors {
let v: T = from_value(value.to_json()).unwrap();
assert_eq!(v, *value);
// Make sure we can round trip back to `Json`.
let v: Value = from_value(value.to_json()).unwrap();
assert_eq!(v, value.to_json());
}
}
#[test]
fn test_parse_null() {
test_parse_err::<()>(&[
("n", SyntaxError(ExpectedSomeIdent, 1, 2)),
("nul", SyntaxError(ExpectedSomeIdent, 1, 4)),
("nulla", SyntaxError(TrailingCharacters, 1, 5)),
]);
test_parse_ok(&[
("null", ()),
]);
}
#[test]
fn test_json_deserialize_null() {
test_json_deserialize_ok(&[
(),
]);
}
#[test]
fn test_parse_bool() {
test_parse_err::<bool>(&[
("t", SyntaxError(ExpectedSomeIdent, 1, 2)),
("truz", SyntaxError(ExpectedSomeIdent, 1, 4)),
("f", SyntaxError(ExpectedSomeIdent, 1, 2)),
("faz", SyntaxError(ExpectedSomeIdent, 1, 3)),
("truea", SyntaxError(TrailingCharacters, 1, 5)),
("falsea", SyntaxError(TrailingCharacters, 1, 6)),
]);
test_parse_ok(&[
("true", true),
("false", false),
]);
}
#[test]
fn test_json_deserialize_bool() {
test_json_deserialize_ok(&[
true,
false,
]);
}
#[test]
fn test_parse_number_errors() {
test_parse_err::<f64>(&[
("+", SyntaxError(ExpectedSomeValue, 1, 1)),
(".", SyntaxError(ExpectedSomeValue, 1, 1)),
("-", SyntaxError(InvalidNumber, 1, 2)),
("00", SyntaxError(InvalidNumber, 1, 2)),
("1.", SyntaxError(InvalidNumber, 1, 3)),
("1e", SyntaxError(InvalidNumber, 1, 3)),
("1e+", SyntaxError(InvalidNumber, 1, 4)),
("1a", SyntaxError(TrailingCharacters, 1, 2)),
]);
}
#[test]
fn test_parse_i64() {
test_parse_ok(&[
("3", 3i64),
("-2", -2),
("-1234", -1234),
]);
}
#[test]
fn test_parse_f64() {
test_parse_ok(&[
("3.0", 3.0f64),
("3.1", 3.1),
("-1.2", -1.2),
("0.4", 0.4),
("0.4e5", 0.4e5),
("0.4e15", 0.4e15),
("0.4e-01", 0.4e-01),
]);
}
#[test]
fn test_json_deserialize_numbers() {
test_json_deserialize_ok(&[
3.0f64,
3.1,
-1.2,
0.4,
0.4e5,
0.4e15,
0.4e-01,
]);
}
#[test]
fn test_parse_string() {
test_parse_err::<string::String>(&[
("\"", SyntaxError(EOFWhileParsingString, 1, 2)),
("\"lol", SyntaxError(EOFWhileParsingString, 1, 5)),
("\"lol\"a", SyntaxError(TrailingCharacters, 1, 6)),
]);
test_parse_ok(&[
("\"\"", "".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()),
]);
}
#[test]
fn test_json_deserialize_str() {
test_json_deserialize_ok(&[
"".to_string(),
"foo".to_string(),
"\"".to_string(),
"\x08".to_string(),
"\n".to_string(),
"\r".to_string(),
"\t".to_string(),
"\u{12ab}".to_string(),
"\u{AB12}".to_string(),
]);
}
#[test]
fn test_parse_list() {
test_parse_err::<Vec<f64>>(&[
("[", SyntaxError(EOFWhileParsingValue, 1, 2)),
("[ ", SyntaxError(EOFWhileParsingValue, 1, 3)),
("[1", SyntaxError(EOFWhileParsingList, 1, 3)),
("[1,", SyntaxError(EOFWhileParsingValue, 1, 4)),
("[1,]", SyntaxError(ExpectedSomeValue, 1, 4)),
("[1 2]", SyntaxError(ExpectedListCommaOrEnd, 1, 4)),
("[]a", SyntaxError(TrailingCharacters, 1, 3)),
]);
test_parse_ok(&[
("[]", vec!()),
("[ ]", vec!()),
("[null]", vec!(())),
("[ null ]", vec!(())),
]);
test_parse_ok(&[
("[true]", vec!(true)),
]);
test_parse_ok(&[
("[3,1]", vec!(3, 1)),
("[ 3 , 1 ]", vec!(3, 1)),
]);
test_parse_ok(&[
("[[3], [1, 2]]", vec!(vec!(3is), vec!(1, 2))),
]);
let v: () = from_str("[]").unwrap();
assert_eq!(v, ());
test_parse_ok(&[
("[1, 2, 3]", (1us, 2us, 3us)),
]);
}
#[test]
fn test_json_deserialize_list() {
test_json_deserialize_ok(&[
vec!(),
vec!(()),
]);
test_json_deserialize_ok(&[
vec!(true),
]);
test_json_deserialize_ok(&[
vec!(3, 1),
]);
test_json_deserialize_ok(&[
vec!(vec!(3is), vec!(1, 2)),
]);
}
#[test]
fn test_parse_object() {
test_parse_err::<BTreeMap<string::String, isize>>(&[
("{", SyntaxError(EOFWhileParsingString, 1, 2)),
("{ ", SyntaxError(EOFWhileParsingString, 1, 3)),
("{1", SyntaxError(KeyMustBeAString, 1, 2)),
("{ \"a\"", SyntaxError(EOFWhileParsingObject, 1, 6)),
("{\"a\"", SyntaxError(EOFWhileParsingObject, 1, 5)),
("{\"a\" ", SyntaxError(EOFWhileParsingObject, 1, 6)),
("{\"a\" 1", SyntaxError(ExpectedColon, 1, 6)),
("{\"a\":", SyntaxError(EOFWhileParsingValue, 1, 6)),
("{\"a\":1", SyntaxError(EOFWhileParsingObject, 1, 7)),
("{\"a\":1 1", SyntaxError(ExpectedObjectCommaOrEnd, 1, 8)),
("{\"a\":1,", SyntaxError(EOFWhileParsingString, 1, 8)),
("{}a", SyntaxError(TrailingCharacters, 1, 3)),
]);
test_parse_ok(&[
("{}", treemap!()),
("{ }", treemap!()),
(
"{\"a\":3}",
treemap!("a".to_string() => 3is)
),
(
"{ \"a\" : 3 }",
treemap!("a".to_string() => 3is)
),
(
"{\"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(&[
(
"{\"a\": {\"b\": 3, \"c\": 4}}",
treemap!("a".to_string() => treemap!("b".to_string() => 3, "c".to_string() => 4is)),
),
]);
}
#[test]
fn test_json_deserialize_object() {
test_json_deserialize_ok(&[
treemap!(),
treemap!("a".to_string() => 3),
treemap!("a".to_string() => 3, "b".to_string() => 4),
]);
test_json_deserialize_ok(&[
treemap!("a".to_string() => treemap!("b".to_string() => 3, "c".to_string() => 4)),
]);
}
#[test]
fn test_parse_struct() {
test_parse_ok(&[
(
"{
\"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()] }
]
},
)
]);
}
#[test]
fn test_json_deserialize_struct() {
test_json_deserialize_ok(&[
Outer {
inner: vec![
Inner { a: (), b: 2, c: vec!["abc".to_string(), "xyz".to_string()] }
]
},
]);
}
#[test]
fn test_parse_option() {
test_parse_ok(&[
("null", None),
("\"jodhpurs\"", Some("jodhpurs".to_string())),
]);
#[derive(PartialEq, Debug)]
#[derive_serialize]
#[derive_deserialize]
struct Foo {
x: Option<isize>,
}
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) });
}
#[test]
fn test_json_deserialize_option() {
test_json_deserialize_ok(&[
None,
Some("jodhpurs".to_string()),
]);
}
#[test]
fn test_parse_enum() {
test_parse_ok(&[
("{\"Dog\": []}", Animal::Dog),
(
"{\"Frog\": [\"Henry\", []]}",
Animal::Frog("Henry".to_string(), vec!()),
),
(
"{\"Frog\": [\"Henry\", [349]]}",
Animal::Frog("Henry".to_string(), vec!(349)),
),
(
"{\"Frog\": [\"Henry\", [349, 102]]}",
Animal::Frog("Henry".to_string(), vec!(349, 102)),
),
]);
test_parse_ok(&[
(
concat!(
"{",
" \"a\": {\"Dog\": []},",
" \"b\": {\"Frog\":[\"Henry\", []]}",
"}"
),
treemap!(
"a".to_string() => Animal::Dog,
"b".to_string() => Animal::Frog("Henry".to_string(), vec!())
)
),
]);
}
#[test]
fn test_json_deserialize_enum() {
test_json_deserialize_ok(&[
Animal::Dog,
Animal::Frog("Henry".to_string(), vec!()),
Animal::Frog("Henry".to_string(), vec!(349)),
Animal::Frog("Henry".to_string(), vec!(349, 102)),
]);
}
#[test]
fn test_multiline_errors() {
test_parse_err::<BTreeMap<string::String, string::String>>(&[
("{\n \"foo\":\n \"bar\"", SyntaxError(EOFWhileParsingObject, 3us, 8us)),
]);
}
/*
#[derive(Decodable)]
struct DecodeStruct {
x: f64,
y: bool,
z: String,
w: Vec<DecodeStruct>
}
#[derive(Decodable)]
enum DecodeEnum {
A(f64),
B(String)
}
fn check_err<T: RustcDecodable<Decoder, DecoderError>>(to_parse: &'static str,
expected: DecoderError) {
let res: DecodeResult<T> = match from_str(to_parse) {
Err(e) => Err(ParseError(e)),
Ok(json) => RustcDecodable::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("Bool".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("List".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("List".to_string(), "null".to_string()));
check_err::<DecodeEnum>("{\"variant\": \"C\", \"fields\": []}",
UnknownVariantError("C".to_string()));
}
*/
#[test]
fn test_find(){
let json_value: Value = from_str("{\"dog\" : \"cat\"}").unwrap();
let found_str = json_value.find(&"dog".to_string());
assert!(found_str.is_some() && found_str.unwrap().as_string().unwrap() == "cat");
}
#[test]
fn test_find_path(){
let json_value: Value = from_str("{\"dog\":{\"cat\": {\"mouse\" : \"cheese\"}}}").unwrap();
let found_str = json_value.find_path(&[&"dog".to_string(),
&"cat".to_string(), &"mouse".to_string()]);
assert!(found_str.is_some() && found_str.unwrap().as_string().unwrap() == "cheese");
}
#[test]
fn test_search(){
let json_value: Value = from_str("{\"dog\":{\"cat\": {\"mouse\" : \"cheese\"}}}").unwrap();
let found_str = json_value.search(&"mouse".to_string()).and_then(|j| j.as_string());
assert!(found_str.is_some());
assert!(found_str.unwrap() == "cheese");
}
#[test]
fn test_is_object() {
let json_value: Value = from_str("{}").unwrap();
assert!(json_value.is_object());
}
#[test]
fn test_as_object() {
let json_value: Value = from_str("{}").unwrap();
let map = BTreeMap::<string::String, Value>::new();
let json_object = json_value.as_object();
assert_eq!(json_object, Some(&map));
}
#[test]
fn test_is_array() {
let json_value: Value = from_str("[1, 2, 3]").unwrap();
assert!(json_value.is_array());
}
#[test]
fn test_as_array() {
let json_value: Value = from_str("[1, 2, 3]").unwrap();
let json_list = json_value.as_array();
let expected_length = 3;
assert!(json_list.is_some() && json_list.unwrap().len() == expected_length);
}
#[test]
fn test_is_string() {
let json_value: Value = from_str("\"dog\"").unwrap();
assert!(json_value.is_string());
}
#[test]
fn test_as_string() {
let json_value: 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: Value = from_str("12").unwrap();
assert!(json_value.is_number());
let json_value: Value = from_str("12.0").unwrap();
assert!(json_value.is_number());
}
#[test]
fn test_is_i64() {
let json_value: Value = from_str("12").unwrap();
assert!(json_value.is_i64());
let json_value: Value = from_str("12.0").unwrap();
assert!(!json_value.is_i64());
}
#[test]
fn test_is_f64() {
let json_value: Value = from_str("12").unwrap();
assert!(!json_value.is_f64());
let json_value: Value = from_str("12.0").unwrap();
assert!(json_value.is_f64());
}
#[test]
fn test_as_i64() {
let json_value: Value = from_str("12").unwrap();
assert_eq!(json_value.as_i64(), Some(12));
}
#[test]
fn test_as_f64() {
let json_value: Value = from_str("12").unwrap();
assert_eq!(json_value.as_f64(), Some(12.0));
}
#[test]
fn test_is_boolean() {
let json_value: Value = from_str("false").unwrap();
assert!(json_value.is_boolean());
}
#[test]
fn test_as_boolean() {
let json_value: 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: Value = from_str("null").unwrap();
assert!(json_value.is_null());
}
#[test]
fn test_as_null() {
let json_value: 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 = MemWriter::new();
{
let mut serializer = Serializer::new(&mut mem_buf as &mut Writer);
hm.serialize(&mut serializer).unwrap();
}
let bytes = mem_buf.unwrap();
let json_str = from_utf8(&bytes).unwrap();
let _json_value: Value = from_str(json_str).unwrap();
}
/*
#[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 = MemWriter::new();
{
let mut serializer = PrettySerializer::new(&mut mem_buf as &mut Writer);
hm.serialize(&mut serializer).unwrap()
}
let bytes = mem_buf.unwrap();
let json_str = from_utf8(&bytes).unwrap();
let _json_value: Value = from_str(json_str).unwrap();
}
*/
#[test]
fn test_hashmap_with_numeric_key_can_handle_double_quote_delimited_key() {
use std::collections::HashMap;
let json_str = "{\"1\":true}";
let map: HashMap<usize, bool> = from_str(json_str).unwrap();
let mut m = HashMap::new();
m.insert(1u, true);
assert_eq!(map, m);
}
*/
/*
fn assert_stream_equal(src: &str, expected: ~[(JsonEvent, ~[StackElement])]) {
let mut parser = Deserializer::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!("Deserializer 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]}"#,
~[
(ObjectStart, ~[]),
(StringValue("bar".to_string()), ~[Key("foo")]),
(ListStart, ~[Key("array")]),
(NumberValue(0.0), ~[Key("array"), Index(0)]),
(NumberValue(1.0), ~[Key("array"), Index(1)]),
(NumberValue(2.0), ~[Key("array"), Index(2)]),
(NumberValue(3.0), ~[Key("array"), Index(3)]),
(NumberValue(4.0), ~[Key("array"), Index(4)]),
(NumberValue(5.0), ~[Key("array"), Index(5)]),
(ListEnd, ~[Key("array")]),
(ListStart, ~[Key("idents")]),
(NullValue, ~[Key("idents"), Index(0)]),
(BoolValue(true), ~[Key("idents"), Index(1)]),
(BoolValue(false), ~[Key("idents"), Index(2)]),
(ListEnd, ~[Key("idents")]),
(ObjectEnd, ~[]),
]
);
}
fn last_event(src: &str) -> JsonEvent {
let mut parser = Deserializer::new(src.chars());
let mut evt = NullValue;
loop {
evt = match parser.next() {
Some(e) => e,
None => return evt,
}
}
}
#[test]
#[ignore(cfg(target_word_size = "32"))] // FIXME(#14064)
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_stream_equal(
"{}",
box [(ObjectStart, box []), (ObjectEnd, box [])]
);
assert_stream_equal(
"{\"a\": 3}",
box [
(ObjectStart, box []),
(F64Value(3.0), box [Key("a")]),
(ObjectEnd, box []),
]
);
assert_stream_equal(
"{ \"a\": null, \"b\" : true }",
box [
(ObjectStart, box []),
(NullValue, box [Key("a")]),
(BoolValue(true), box [Key("b")]),
(ObjectEnd, box []),
]
);
assert_stream_equal(
"{\"a\" : 1.0 ,\"b\": [ true ]}",
box [
(ObjectStart, box []),
(F64Value(1.0), box [Key("a")]),
(ListStart, box [Key("b")]),
(BoolValue(true),box [Key("b"), Index(0)]),
(ListEnd, box [Key("b")]),
(ObjectEnd, box []),
]
);
assert_stream_equal(
r#"{
"a": 1.0,
"b": [
true,
"foo\nbar",
{ "c": {"d": null} }
]
}"#,
~[
(ObjectStart, ~[]),
(F64Value(1.0), ~[Key("a")]),
(ListStart, ~[Key("b")]),
(BoolValue(true), ~[Key("b"), Index(0)]),
(StringValue("foo\nbar".to_string()), ~[Key("b"), Index(1)]),
(ObjectStart, ~[Key("b"), Index(2)]),
(ObjectStart, ~[Key("b"), Index(2), Key("c")]),
(NullValue, ~[Key("b"), Index(2), Key("c"), Key("d")]),
(ObjectEnd, ~[Key("b"), Index(2), Key("c")]),
(ObjectEnd, ~[Key("b"), Index(2)]),
(ListEnd, ~[Key("b")]),
(ObjectEnd, ~[]),
]
);
}
#[test]
#[ignore(cfg(target_word_size = "32"))] // FIXME(#14064)
fn test_read_list_streaming() {
assert_stream_equal(
"[]",
box [
(ListStart, box []),
(ListEnd, box []),
]
);
assert_stream_equal(
"[ ]",
box [
(ListStart, box []),
(ListEnd, box []),
]
);
assert_stream_equal(
"[true]",
box [
(ListStart, box []),
(BoolValue(true), box [Index(0)]),
(ListEnd, box []),
]
);
assert_stream_equal(
"[ false ]",
box [
(ListStart, box []),
(BoolValue(false), box [Index(0)]),
(ListEnd, box []),
]
);
assert_stream_equal(
"[null]",
box [
(ListStart, box []),
(NullValue, box [Index(0)]),
(ListEnd, box []),
]
);
assert_stream_equal(
"[3, 1]",
box [
(ListStart, box []),
(F64Value(3.0), box [Index(0)]),
(F64Value(1.0), box [Index(1)]),
(ListEnd, box []),
]
);
assert_stream_equal(
"\n[3, 2]\n",
box [
(ListStart, box []),
(F64Value(3.0), box [Index(0)]),
(F64Value(2.0), box [Index(1)]),
(ListEnd, box []),
]
);
assert_stream_equal(
"[2, [4, 1]]",
box [
(ListStart, box []),
(F64Value(2.0), box [Index(0)]),
(ListStart, box [Index(1)]),
(F64Value(4.0), box [Index(1), Index(0)]),
(F64Value(1.0), box [Index(1), Index(1)]),
(ListEnd, box [Index(1)]),
(ListEnd, box []),
]
);
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(EOFWhileParsingList, 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!(Deserializer::new("null".chars()).next(), Some(NullValue));
assert_eq!(Deserializer::new("true".chars()).next(), Some(BoolValue(true)));
assert_eq!(Deserializer::new("false".chars()).next(), Some(BoolValue(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.is_empty());
assert!(stack.len() == 0);
assert!(!stack.last_is_index());
stack.push_index(0);
stack.bump_index();
assert!(stack.len() == 1);
assert!(stack.is_equal_to(&[Index(1)]));
assert!(stack.starts_with(&[Index(1)]));
assert!(stack.ends_with(&[Index(1)]));
assert!(stack.last_is_index());
assert!(stack.get(0) == Index(1));
stack.push_key("foo".to_string());
assert!(stack.len() == 2);
assert!(stack.is_equal_to(&[Index(1), Key("foo")]));
assert!(stack.starts_with(&[Index(1), Key("foo")]));
assert!(stack.starts_with(&[Index(1)]));
assert!(stack.ends_with(&[Index(1), Key("foo")]));
assert!(stack.ends_with(&[Key("foo")]));
assert!(!stack.last_is_index());
assert!(stack.get(0) == Index(1));
assert!(stack.get(1) == Key("foo"));
stack.push_key("bar".to_string());
assert!(stack.len() == 3);
assert!(stack.is_equal_to(&[Index(1), Key("foo"), Key("bar")]));
assert!(stack.starts_with(&[Index(1)]));
assert!(stack.starts_with(&[Index(1), Key("foo")]));
assert!(stack.starts_with(&[Index(1), Key("foo"), Key("bar")]));
assert!(stack.ends_with(&[Key("bar")]));
assert!(stack.ends_with(&[Key("foo"), Key("bar")]));
assert!(stack.ends_with(&[Index(1), Key("foo"), Key("bar")]));
assert!(!stack.last_is_index());
assert!(stack.get(0) == Index(1));
assert!(stack.get(1) == Key("foo"));
assert!(stack.get(2) == Key("bar"));
stack.pop();
assert!(stack.len() == 2);
assert!(stack.is_equal_to(&[Index(1), Key("foo")]));
assert!(stack.starts_with(&[Index(1), Key("foo")]));
assert!(stack.starts_with(&[Index(1)]));
assert!(stack.ends_with(&[Index(1), Key("foo")]));
assert!(stack.ends_with(&[Key("foo")]));
assert!(!stack.last_is_index());
assert!(stack.get(0) == Index(1));
assert!(stack.get(1) == Key("foo"));
}
*/
*/