nushell/crates/nu-protocol/tests/test_value.rs

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use nu_protocol::{Span, Value};
#[test]
fn test_comparison_nothing() {
let values = vec![
Value::Int {
val: 1,
span: Span::test_data(),
},
Value::String {
val: "string".into(),
span: Span::test_data(),
},
Value::Float {
val: 1.0,
span: Span::test_data(),
},
];
let nothing = Value::Nothing {
span: Span::test_data(),
};
for value in values {
assert!(matches!(
value.eq(Span::test_data(), &nothing),
Ok(Value::Bool { val: false, .. })
));
assert!(matches!(
value.ne(Span::test_data(), &nothing),
Ok(Value::Bool { val: true, .. })
));
assert!(matches!(
nothing.eq(Span::test_data(), &value),
Ok(Value::Bool { val: false, .. })
));
assert!(matches!(
nothing.ne(Span::test_data(), &value),
Ok(Value::Bool { val: true, .. })
));
}
}