39 lines
874 B
Rust
39 lines
874 B
Rust
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// Issue 15523: derive(PartialOrd) should use the provided
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// discriminant values for the derived ordering.
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//
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// This test is checking corner cases that arise when you have
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// 64-bit values in the variants.
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#[derive(PartialEq, PartialOrd)]
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#[repr(u64)]
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enum Eu64 {
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Pos2 = 2,
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PosMax = !0,
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Pos1 = 1,
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}
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#[derive(PartialEq, PartialOrd)]
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#[repr(i64)]
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enum Ei64 {
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Pos2 = 2,
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Neg1 = -1,
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NegMin = 1 << 63,
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PosMax = !(1 << 63),
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Pos1 = 1,
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}
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fn main() {
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assert!(Eu64::Pos2 > Eu64::Pos1);
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assert!(Eu64::Pos2 < Eu64::PosMax);
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assert!(Eu64::Pos1 < Eu64::PosMax);
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assert!(Ei64::Pos2 > Ei64::Pos1);
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assert!(Ei64::Pos2 > Ei64::Neg1);
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assert!(Ei64::Pos1 > Ei64::Neg1);
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assert!(Ei64::Pos2 > Ei64::NegMin);
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assert!(Ei64::Pos1 > Ei64::NegMin);
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assert!(Ei64::Pos2 < Ei64::PosMax);
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assert!(Ei64::Pos1 < Ei64::PosMax);
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}
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