54 lines
1.3 KiB
Rust
54 lines
1.3 KiB
Rust
use super::*;
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use crate::Flags;
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#[test]
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fn cases() {
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case(0, TestFlags::all(), TestFlags::complement);
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case(0, TestFlags::from_bits_retain(!0), TestFlags::complement);
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case(1 | 1 << 1, TestFlags::C, TestFlags::complement);
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case(
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1 | 1 << 1,
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TestFlags::C | TestFlags::from_bits_retain(1 << 3),
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TestFlags::complement,
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);
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case(
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1 | 1 << 1 | 1 << 2,
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TestFlags::empty(),
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TestFlags::complement,
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);
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case(
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1 | 1 << 1 | 1 << 2,
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TestFlags::from_bits_retain(1 << 3),
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TestFlags::complement,
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);
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case(0, TestZero::empty(), TestZero::complement);
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case(0, TestEmpty::empty(), TestEmpty::complement);
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case(1 << 2, TestOverlapping::AB, TestOverlapping::complement);
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case(!0, TestExternal::empty(), TestExternal::complement);
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}
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#[track_caller]
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fn case<T: Flags + std::fmt::Debug + std::ops::Not<Output = T> + Copy>(
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expected: T::Bits,
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value: T,
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inherent: impl FnOnce(T) -> T,
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) where
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T::Bits: std::fmt::Debug + PartialEq,
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{
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assert_eq!(expected, inherent(value).bits(), "{:?}.complement()", value);
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assert_eq!(
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expected,
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Flags::complement(value).bits(),
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"Flags::complement({:?})",
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value
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);
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assert_eq!(expected, (!value).bits(), "!{:?}", value);
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}
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