25 lines
675 B
Rust
25 lines
675 B
Rust
#[test]
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fn from() {
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use core::convert::TryFrom;
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use core::num::TryFromIntError;
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// From
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const FROM: i64 = i64::from(1i32);
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assert_eq!(FROM, 1i64);
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// From int to float
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const FROM_F64: f64 = f64::from(42u8);
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assert_eq!(FROM_F64, 42f64);
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// Upper bounded
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const U8_FROM_U16: Result<u8, TryFromIntError> = u8::try_from(1u16);
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assert_eq!(U8_FROM_U16, Ok(1u8));
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// Both bounded
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const I8_FROM_I16: Result<i8, TryFromIntError> = i8::try_from(1i16);
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assert_eq!(I8_FROM_I16, Ok(1i8));
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// Lower bounded
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const I16_FROM_U16: Result<i16, TryFromIntError> = i16::try_from(1u16);
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assert_eq!(I16_FROM_U16, Ok(1i16));
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}
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