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41 lines
894 B
Rust
41 lines
894 B
Rust
use tokio_buf::SizeHint;
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#[test]
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fn size_hint() {
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let hint = SizeHint::new();
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assert_eq!(hint.lower(), 0);
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assert!(hint.upper().is_none());
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let mut hint = SizeHint::new();
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hint.set_lower(100);
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assert_eq!(hint.lower(), 100);
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assert!(hint.upper().is_none());
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let mut hint = SizeHint::new();
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hint.set_upper(200);
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assert_eq!(hint.lower(), 0);
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assert_eq!(hint.upper(), Some(200));
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let mut hint = SizeHint::new();
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hint.set_lower(100);
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hint.set_upper(100);
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assert_eq!(hint.lower(), 100);
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assert_eq!(hint.upper(), Some(100));
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}
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#[test]
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#[should_panic]
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fn size_hint_lower_bigger_than_upper() {
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let mut hint = SizeHint::new();
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hint.set_upper(100);
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hint.set_lower(200);
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}
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#[test]
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#[should_panic]
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fn size_hint_upper_less_than_lower() {
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let mut hint = SizeHint::new();
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hint.set_lower(200);
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hint.set_upper(100);
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}
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