use serde_jsonc2::{from_str, Map, Value}; #[test] fn test_preserve_order() { // Sorted order #[cfg(not(feature = "preserve_order"))] const EXPECTED: &[&str] = &["a", "b", "c"]; // Insertion order #[cfg(feature = "preserve_order")] const EXPECTED: &[&str] = &["b", "a", "c"]; let v: Value = from_str(r#"{"b":null,"a":null,"c":null}"#).unwrap(); let keys: Vec<_> = v.as_object().unwrap().keys().collect(); assert_eq!(keys, EXPECTED); } #[test] #[cfg(feature = "preserve_order")] fn test_shift_insert() { let mut v: Value = from_str(r#"{"b":null,"a":null,"c":null}"#).unwrap(); let val = v.as_object_mut().unwrap(); val.shift_insert(0, "d".to_owned(), Value::Null); let keys: Vec<_> = val.keys().collect(); assert_eq!(keys, &["d", "b", "a", "c"]); } #[test] fn test_append() { // Sorted order #[cfg(not(feature = "preserve_order"))] const EXPECTED: &[&str] = &["a", "b", "c"]; // Insertion order #[cfg(feature = "preserve_order")] const EXPECTED: &[&str] = &["b", "a", "c"]; let mut v: Value = from_str(r#"{"b":null,"a":null,"c":null}"#).unwrap(); let val = v.as_object_mut().unwrap(); let mut m = Map::new(); m.append(val); let keys: Vec<_> = m.keys().collect(); assert_eq!(keys, EXPECTED); assert!(val.is_empty()); } #[test] fn test_retain() { let mut v: Value = from_str(r#"{"b":null,"a":null,"c":null}"#).unwrap(); let val = v.as_object_mut().unwrap(); val.retain(|k, _| k.as_str() != "b"); let keys: Vec<_> = val.keys().collect(); assert_eq!(keys, &["a", "c"]); }