use json::Json::*;
use json::JsonEvent::*;
use json::ParserError::*;
-use json::{from_str, Decoder, Encoder, EncoderError, Json, JsonEvent, Parser, StackElement};
-use rustc_macros::{Decodable, Encodable};
+use json::{from_str, Encoder, EncoderError, Json, JsonEvent, Parser, StackElement};
+use rustc_macros::Encodable;
use rustc_serialize::json;
-use rustc_serialize::{Decodable, Encodable};
+use rustc_serialize::Encodable;
use std::collections::BTreeMap;
use std::io::prelude::*;
use std::string;
use Animal::*;
-#[derive(Decodable, Eq, PartialEq, Debug)]
+#[derive(Eq, PartialEq, Debug)]
struct OptionData {
opt: Option<usize>,
}
-#[test]
-fn test_decode_option_none() {
- let s = "{}";
- let obj: OptionData = json::decode(s);
- assert_eq!(obj, OptionData { opt: None });
-}
-
-#[test]
-fn test_decode_option_some() {
- let s = "{ \"opt\": 10 }";
- let obj: OptionData = json::decode(s);
- assert_eq!(obj, OptionData { opt: Some(10) });
-}
-
-#[test]
-#[should_panic(expected = r#"ExpectedError("Number", "[]")"#)]
-fn test_decode_option_malformed1() {
- check_err::<OptionData>(r#"{ "opt": [] }"#);
-}
-
-#[test]
-#[should_panic(expected = r#"ExpectedError("Number", "false")"#)]
-fn test_decode_option_malformed2() {
- check_err::<OptionData>(r#"{ "opt": false }"#);
-}
-
-#[derive(PartialEq, Encodable, Decodable, Debug)]
+#[derive(PartialEq, Encodable, Debug)]
enum Animal {
Dog,
Frog(string::String, isize),
}
-#[derive(PartialEq, Encodable, Decodable, Debug)]
+#[derive(PartialEq, Encodable, Debug)]
struct Inner {
a: (),
b: usize,
c: Vec<string::String>,
}
-#[derive(PartialEq, Encodable, Decodable, Debug)]
+#[derive(PartialEq, Encodable, Debug)]
struct Outer {
inner: Vec<Inner>,
}
assert_eq!(from_str(" false "), Ok(Boolean(false)));
}
-#[test]
-fn test_decode_identifiers() {
- let v: () = json::decode("null");
- assert_eq!(v, ());
-
- let v: bool = json::decode("true");
- assert_eq!(v, true);
-
- let v: bool = json::decode("false");
- assert_eq!(v, false);
-}
-
#[test]
fn test_read_number() {
assert_eq!(from_str("+"), Err(SyntaxError(InvalidSyntax, 1, 1)));
assert_eq!(from_str("18446744073709551615"), Ok(U64(u64::MAX)));
}
-#[test]
-#[should_panic(expected = r#"ExpectedError("Integer", "765.25")"#)]
-fn test_decode_numbers() {
- let v: f64 = json::decode("3");
- assert_eq!(v, 3.0);
-
- let v: f64 = json::decode("3.1");
- assert_eq!(v, 3.1);
-
- let v: f64 = json::decode("-1.2");
- assert_eq!(v, -1.2);
-
- let v: f64 = json::decode("0.4");
- assert_eq!(v, 0.4);
-
- let v: f64 = json::decode("0.4e5");
- assert_eq!(v, 0.4e5);
-
- let v: f64 = json::decode("0.4e15");
- assert_eq!(v, 0.4e15);
-
- let v: f64 = json::decode("0.4e-01");
- assert_eq!(v, 0.4e-01);
-
- let v: u64 = json::decode("0");
- assert_eq!(v, 0);
-
- let v: u64 = json::decode("18446744073709551615");
- assert_eq!(v, u64::MAX);
-
- let v: i64 = json::decode("-9223372036854775808");
- assert_eq!(v, i64::MIN);
-
- let v: i64 = json::decode("9223372036854775807");
- assert_eq!(v, i64::MAX);
-
- json::decode::<i64>("765.25");
-}
-
#[test]
fn test_read_str() {
assert_eq!(from_str("\""), Err(SyntaxError(EOFWhileParsingString, 1, 2)));
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 = json::decode(i);
- assert_eq!(v, o);
- }
-}
-
#[test]
fn test_read_array() {
assert_eq!(from_str("["), Err(SyntaxError(EOFWhileParsingValue, 1, 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<()> = json::decode("[]");
- assert_eq!(v, []);
-
- let v: Vec<()> = json::decode("[null]");
- assert_eq!(v, [()]);
-
- let v: Vec<bool> = json::decode("[true]");
- assert_eq!(v, [true]);
-
- let v: Vec<isize> = json::decode("[3, 1]");
- assert_eq!(v, [3, 1]);
-
- let v: Vec<Vec<usize>> = json::decode("[[3], [1, 2]]");
- assert_eq!(v, [vec![3], vec![1, 2]]);
-}
-
-#[test]
-fn test_decode_tuple() {
- let t: (usize, usize, usize) = json::decode("[1, 2, 3]");
- assert_eq!(t, (1, 2, 3));
-
- let t: (usize, string::String) = json::decode("[1, \"two\"]");
- assert_eq!(t, (1, "two".to_string()));
-}
-
-#[test]
-#[should_panic]
-fn test_decode_tuple_malformed_types() {
- json::decode::<(usize, string::String)>("[1, 2]");
-}
-
-#[test]
-#[should_panic]
-fn test_decode_tuple_malformed_length() {
- json::decode::<(usize, usize)>("[1, 2, 3]");
-}
-
#[test]
fn test_read_object() {
assert_eq!(from_str("{"), Err(SyntaxError(EOFWhileParsingObject, 1, 2)));
);
}
-#[test]
-fn test_decode_struct() {
- let s = "{
- \"inner\": [
- { \"a\": null, \"b\": 2, \"c\": [\"abc\", \"xyz\"] }
- ]
- }";
-
- let v: Outer = json::decode(s);
- assert_eq!(
- v,
- Outer { inner: vec![Inner { a: (), b: 2, c: vec!["abc".to_string(), "xyz".to_string()] }] }
- );
-}
-
-#[derive(Decodable)]
-struct FloatStruct {
- f: f64,
- a: Vec<f64>,
-}
-#[test]
-fn test_decode_struct_with_nan() {
- let s = "{\"f\":null,\"a\":[null,123]}";
- let obj: FloatStruct = json::decode(s);
- 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> = json::decode("null");
- assert_eq!(value, None);
-
- let value: Option<string::String> = json::decode("\"jodhpurs\"");
- assert_eq!(value, Some("jodhpurs".to_string()));
-}
-
-#[test]
-fn test_decode_enum() {
- let value: Animal = json::decode("\"Dog\"");
- assert_eq!(value, Dog);
-
- let s = "{\"variant\":\"Frog\",\"fields\":[\"Henry\",349]}";
- let value: Animal = json::decode(s);
- 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> = json::decode(s);
-
- 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(Decodable)]
-#[allow(dead_code)]
-struct DecodeStruct {
- x: f64,
- y: bool,
- z: string::String,
- w: Vec<DecodeStruct>,
-}
-#[derive(Decodable)]
-enum DecodeEnum {
- A(f64),
- B(string::String),
-}
-fn check_err<T: Decodable<Decoder>>(to_parse: &str) {
- let json = from_str(to_parse).unwrap();
- let _: T = Decodable::decode(&mut Decoder::new(json));
-}
-#[test]
-#[should_panic(expected = r#"ExpectedError("Object", "[]")"#)]
-fn test_decode_errors_struct1() {
- check_err::<DecodeStruct>("[]");
-}
-#[test]
-#[should_panic(expected = r#"ExpectedError("Number", "true")"#)]
-fn test_decode_errors_struct2() {
- check_err::<DecodeStruct>(r#"{"x": true, "y": true, "z": "", "w": []}"#);
-}
-#[test]
-#[should_panic(expected = r#"ExpectedError("Boolean", "[]")"#)]
-fn test_decode_errors_struct3() {
- check_err::<DecodeStruct>(r#"{"x": 1, "y": [], "z": "", "w": []}"#);
-}
-#[test]
-#[should_panic(expected = r#"ExpectedError("String", "{}")"#)]
-fn test_decode_errors_struct4() {
- check_err::<DecodeStruct>(r#"{"x": 1, "y": true, "z": {}, "w": []}"#);
-}
-#[test]
-#[should_panic(expected = r#"ExpectedError("Array", "null")"#)]
-fn test_decode_errors_struct5() {
- check_err::<DecodeStruct>(r#"{"x": 1, "y": true, "z": "", "w": null}"#);
-}
-#[test]
-#[should_panic(expected = r#"ExpectedError("Array", "null")"#)]
-fn test_decode_errors_struct6() {
- check_err::<DecodeStruct>(r#"{"x": 1, "y": true, "z": ""}"#);
-}
-
-#[test]
-#[should_panic(expected = r#"MissingFieldError("variant")"#)]
-fn test_decode_errors_enum1() {
- check_err::<DecodeEnum>(r#"{}"#);
-}
-#[test]
-#[should_panic(expected = r#"ExpectedError("String", "1")"#)]
-fn test_decode_errors_enum2() {
- check_err::<DecodeEnum>(r#"{"variant": 1}"#);
-}
-#[test]
-#[should_panic(expected = r#"MissingFieldError("fields")"#)]
-fn test_decode_errors_enum3() {
- check_err::<DecodeEnum>(r#"{"variant": "A"}"#);
-}
-#[test]
-#[should_panic(expected = r#"ExpectedError("Array", "null")"#)]
-fn test_decode_errors_enum4() {
- check_err::<DecodeEnum>(r#"{"variant": "A", "fields": null}"#);
-}
-#[test]
-#[should_panic(expected = r#"UnknownVariantError("C")"#)]
-fn test_decode_errors_enum5() {
- check_err::<DecodeEnum>(r#"{"variant": "C", "fields": []}"#);
-}
-
#[test]
fn test_find() {
let json_value = from_str("{\"dog\" : \"cat\"}").unwrap();
#[test]
fn test_hashmap_with_enum_key() {
use std::collections::HashMap;
- #[derive(Encodable, Eq, Hash, PartialEq, Decodable, Debug)]
+ #[derive(Encodable, Eq, Hash, PartialEq, Debug)]
enum Enum {
Foo,
#[allow(dead_code)]
map.insert(Enum::Foo, 0);
let result = json::encode(&map).unwrap();
assert_eq!(&result[..], r#"{"Foo":0}"#);
- let decoded: HashMap<Enum, _> = json::decode(&result);
- assert_eq!(map, decoded);
-}
-
-#[test]
-fn test_hashmap_with_numeric_key_can_handle_double_quote_delimited_key() {
- use std::collections::HashMap;
- 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);
-}
-
-#[test]
-#[should_panic(expected = r#"ExpectedError("Number", "a")"#)]
-fn test_hashmap_with_numeric_key_will_error_with_string_keys() {
- use std::collections::HashMap;
- 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 _: HashMap<usize, bool> = Decodable::decode(&mut decoder);
}
fn assert_stream_equal(src: &str, expected: Vec<(JsonEvent, Vec<StackElement<'_>>)>) {
projects / rustc.git / blobdiff