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Ensure printing/parsing edn strings is isomorphic

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Signed-off-by: Victor Porof <vporof@mozilla.com>
This commit is contained in:
Victor Porof 2017-02-04 08:45:51 +01:00
parent a627f532f0
commit 4d83aafa2a
1 changed files with 32 additions and 28 deletions
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60
edn/src/types.rs
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@ -97,7 +97,7 @@ impl Display for Value {
Map(ref v) => {
write!(f, "{{")?;
for (key, val) in v {
write!(f, " :{} {}", key, val)?;
write!(f, " {} {}", key, val)?;
}
write!(f, " }}")
}
@ -279,12 +279,13 @@ mod test {
use std::collections::{BTreeSet, BTreeMap, LinkedList};
use std::cmp::{Ordering};
use std::iter::FromIterator;
use std::f64;
use symbols;
use parse;
use num::BigInt;
use ordered_float::OrderedFloat;
use std::iter::FromIterator;
#[test]
fn test_value_from() {
@ -294,32 +295,35 @@ mod test {
#[test]
fn test_print_edn() {
assert_eq!("[ 1 2 ( 3.14 ) #{ 4N } { :foo/bar 42 } [ ] :five :six/seven eight nine/ten true false nil #f NaN #f -Infinity #f +Infinity ]",
Value::Vector(vec![
Value::Integer(1),
Value::Integer(2),
Value::List(LinkedList::from_iter(vec![
Value::Float(OrderedFloat(3.14))
])),
Value::Set(BTreeSet::from_iter(vec![
Value::from_bigint("4").unwrap()
])),
Value::Map(BTreeMap::from_iter(vec![
(Value::from_symbol("foo", "bar"), Value::Integer(42))
])),
Value::Vector(vec![]),
Value::Keyword(symbols::Keyword::new("five")),
Value::NamespacedKeyword(symbols::NamespacedKeyword::new("six", "seven")),
Value::PlainSymbol(symbols::PlainSymbol::new("eight")),
Value::NamespacedSymbol(symbols::NamespacedSymbol::new("nine", "ten")),
Value::Boolean(true),
Value::Boolean(false),
Value::Nil,
Value::Float(OrderedFloat(f64::NAN)),
Value::Float(OrderedFloat(f64::NEG_INFINITY)),
Value::Float(OrderedFloat(f64::INFINITY)),
]
).to_string());
let string = "[ 1 2 ( 3.14 ) #{ 4N } { foo/bar 42 :baz/boz 43 } [ ] :five :six/seven eight nine/ten true false nil #f NaN #f -Infinity #f +Infinity ]";
let data = Value::Vector(vec![
Value::Integer(1),
Value::Integer(2),
Value::List(LinkedList::from_iter(vec![
Value::Float(OrderedFloat(3.14))
])),
Value::Set(BTreeSet::from_iter(vec![
Value::from_bigint("4").unwrap()
])),
Value::Map(BTreeMap::from_iter(vec![
(Value::from_symbol("foo", "bar"), Value::Integer(42)),
(Value::from_keyword("baz", "boz"), Value::Integer(43))
])),
Value::Vector(vec![]),
Value::Keyword(symbols::Keyword::new("five")),
Value::NamespacedKeyword(symbols::NamespacedKeyword::new("six", "seven")),
Value::PlainSymbol(symbols::PlainSymbol::new("eight")),
Value::NamespacedSymbol(symbols::NamespacedSymbol::new("nine", "ten")),
Value::Boolean(true),
Value::Boolean(false),
Value::Nil,
Value::Float(OrderedFloat(f64::NAN)),
Value::Float(OrderedFloat(f64::NEG_INFINITY)),
Value::Float(OrderedFloat(f64::INFINITY)),
]);
assert_eq!(string, data.to_string());
assert_eq!(string, parse::value(&data.to_string()).unwrap().to_string());
}
#[test]