51 lines
1.4 KiB
Rust
51 lines
1.4 KiB
Rust
//! value 模块（`JsonValue` DOM）的集成测试。
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//! Integration tests for the value module (`JsonValue` DOM).
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use focus_json::JsonValue;
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#[test]
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fn object_preserves_insertion_order() {
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let mut o = JsonValue::obj();
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o.insert("b", JsonValue::Num(2.0)).unwrap();
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o.insert("a", JsonValue::Num(1.0)).unwrap();
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o.insert("c", JsonValue::Num(3.0)).unwrap();
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let keys: Vec<_> = o.entries().map(|(k, _)| k.as_str()).collect();
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assert_eq!(keys, vec!["b", "a", "c"]);
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}
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#[test]
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fn insert_replaces_existing_key() {
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let mut o = JsonValue::obj();
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o.insert("x", JsonValue::Num(1.0)).unwrap();
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o.insert("x", JsonValue::Num(2.0)).unwrap();
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assert_eq!(o.get_num("x"), Some(2.0));
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assert_eq!(o.entries().count(), 1);
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}
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#[test]
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fn accessors_return_none_for_wrong_types() {
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let s = JsonValue::Str("hi".into());
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assert_eq!(s.get("x"), None);
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assert_eq!(s.get_str("x"), None);
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let mut o = JsonValue::obj();
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o.insert("n", JsonValue::Num(1.0)).unwrap();
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assert_eq!(o.get_str("n"), None);
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assert_eq!(o.get_num("n"), Some(1.0));
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assert_eq!(o.get_str("missing"), None);
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}
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#[test]
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fn insert_into_array_errors() {
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let mut a = JsonValue::arr();
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let res = a.insert("x", JsonValue::Null);
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assert!(res.is_err());
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}
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#[test]
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fn push_into_object_errors() {
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let mut o = JsonValue::obj();
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let res = o.push(JsonValue::Null);
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assert!(res.is_err());
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}
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