third_party/rust/ron/tests/large_number.rs


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use ron::value::{Number, Value};

#[test]
fn test_large_number() {
    let test_var = Value::Number(Number::new(10000000000000000000000.0f64));
    let test_ser = ron::ser::to_string(&test_var).unwrap();
    let test_deser = ron::de::from_str::<Value>(&test_ser);

    assert_eq!(
        test_deser.unwrap(),
        Value::Number(Number::new(10000000000000000000000.0))
    );
}

#[test]
fn test_large_integer_to_float() {
    use ron::value::Float;
    let test_var = std::i64::MAX as u64 + 1;
    let expected = test_var as f64; // Is exactly representable by f64
    let test_ser = ron::ser::to_string(&test_var).unwrap();
    assert_eq!(test_ser, test_var.to_string());
    let test_deser = ron::de::from_str::<Value>(&test_ser);

    assert_eq!(
        test_deser.unwrap(),
        Value::Number(Number::Float(Float::new(expected))),
    );
}