third_party/rust/ron/tests/floats.rs


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use ron::{
    de::from_str,
    ser::{to_string, to_string_pretty, PrettyConfig},
};

#[test]
fn test_inf_and_nan() {
    assert_eq!(from_str("inf"), Ok(std::f64::INFINITY));
    assert_eq!(from_str("-inf"), Ok(std::f64::NEG_INFINITY));
    assert_eq!(from_str::<f64>("NaN").map(|n| n.is_nan()), Ok(true))
}

#[test]
fn decimal_floats() {
    let non_pretty = to_string(&1.0).unwrap();
    assert_eq!(non_pretty, "1.0");

    let with_pretty = to_string_pretty(&1.0, PrettyConfig::new()).unwrap();
    assert_eq!(with_pretty, "1.0");

    let tiny_pretty = to_string_pretty(&0.00000000000000005, PrettyConfig::new()).unwrap();
    assert_eq!(tiny_pretty, "0.00000000000000005");
}