resolve: add tests for already-bound check.
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src/test/ui/or-patterns/already-bound-name.rs
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src/test/ui/or-patterns/already-bound-name.rs
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// This test ensures that the "already bound identifier in a product pattern"
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// correctly accounts for or-patterns.
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#![allow(warnings)]
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#![feature(or_patterns)]
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enum E<T> { A(T, T), B(T) }
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use E::*;
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fn main() {
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let (a, a) = (0, 1); // Standard duplication without an or-pattern.
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//~^ ERROR identifier `a` is bound more than once in the same pattern
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let (a, A(a, _) | B(a)) = (0, A(1, 2));
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//~^ ERROR identifier `a` is bound more than once in the same pattern
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//~| ERROR identifier `a` is bound more than once in the same pattern
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let (A(a, _) | B(a), a) = (A(0, 1), 2);
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//~^ ERROR identifier `a` is bound more than once in the same pattern
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let A(a, a) | B(a) = A(0, 1);
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//~^ ERROR identifier `a` is bound more than once in the same pattern
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let B(a) | A(a, a) = A(0, 1);
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//~^ ERROR identifier `a` is bound more than once in the same pattern
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match A(0, 1) {
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B(a) | A(a, a) => {} // Let's ensure `match` has no funny business.
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//~^ ERROR identifier `a` is bound more than once in the same pattern
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}
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let B(A(a, _) | B(a)) | A(a, A(a, _) | B(a)) = B(B(1));
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//~^ ERROR identifier `a` is bound more than once in the same pattern
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//~| ERROR identifier `a` is bound more than once in the same pattern
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//~| ERROR mismatched types
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let B(_) | A(A(a, _) | B(a), A(a, _) | B(a)) = B(B(1));
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//~^ ERROR identifier `a` is bound more than once in the same pattern
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//~| ERROR identifier `a` is bound more than once in the same pattern
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let B(A(a, _) | B(a)) | A(A(a, _) | B(a), A(a, _) | B(a)) = B(B(1));
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//~^ ERROR identifier `a` is bound more than once in the same pattern
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//~| ERROR identifier `a` is bound more than once in the same pattern
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}
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src/test/ui/or-patterns/already-bound-name.stderr
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src/test/ui/or-patterns/already-bound-name.stderr
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error[E0416]: identifier `a` is bound more than once in the same pattern
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--> $DIR/already-bound-name.rs:12:13
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LL | let (a, a) = (0, 1); // Standard duplication without an or-pattern.
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| ^ used in a pattern more than once
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error[E0416]: identifier `a` is bound more than once in the same pattern
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--> $DIR/already-bound-name.rs:15:15
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LL | let (a, A(a, _) | B(a)) = (0, A(1, 2));
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| ^ used in a pattern more than once
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error[E0416]: identifier `a` is bound more than once in the same pattern
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--> $DIR/already-bound-name.rs:15:25
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LL | let (a, A(a, _) | B(a)) = (0, A(1, 2));
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| ^ used in a pattern more than once
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error[E0416]: identifier `a` is bound more than once in the same pattern
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--> $DIR/already-bound-name.rs:19:26
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LL | let (A(a, _) | B(a), a) = (A(0, 1), 2);
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| ^ used in a pattern more than once
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error[E0416]: identifier `a` is bound more than once in the same pattern
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--> $DIR/already-bound-name.rs:22:14
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LL | let A(a, a) | B(a) = A(0, 1);
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| ^ used in a pattern more than once
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error[E0416]: identifier `a` is bound more than once in the same pattern
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--> $DIR/already-bound-name.rs:25:21
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LL | let B(a) | A(a, a) = A(0, 1);
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| ^ used in a pattern more than once
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error[E0416]: identifier `a` is bound more than once in the same pattern
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--> $DIR/already-bound-name.rs:29:21
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LL | B(a) | A(a, a) => {} // Let's ensure `match` has no funny business.
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| ^ used in a pattern more than once
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error[E0416]: identifier `a` is bound more than once in the same pattern
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--> $DIR/already-bound-name.rs:33:36
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LL | let B(A(a, _) | B(a)) | A(a, A(a, _) | B(a)) = B(B(1));
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| ^ used in a pattern more than once
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error[E0416]: identifier `a` is bound more than once in the same pattern
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--> $DIR/already-bound-name.rs:33:46
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LL | let B(A(a, _) | B(a)) | A(a, A(a, _) | B(a)) = B(B(1));
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| ^ used in a pattern more than once
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error[E0416]: identifier `a` is bound more than once in the same pattern
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--> $DIR/already-bound-name.rs:38:36
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LL | let B(_) | A(A(a, _) | B(a), A(a, _) | B(a)) = B(B(1));
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| ^ used in a pattern more than once
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error[E0416]: identifier `a` is bound more than once in the same pattern
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--> $DIR/already-bound-name.rs:38:46
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LL | let B(_) | A(A(a, _) | B(a), A(a, _) | B(a)) = B(B(1));
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| ^ used in a pattern more than once
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error[E0416]: identifier `a` is bound more than once in the same pattern
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--> $DIR/already-bound-name.rs:42:49
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LL | let B(A(a, _) | B(a)) | A(A(a, _) | B(a), A(a, _) | B(a)) = B(B(1));
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| ^ used in a pattern more than once
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error[E0416]: identifier `a` is bound more than once in the same pattern
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--> $DIR/already-bound-name.rs:42:59
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LL | let B(A(a, _) | B(a)) | A(A(a, _) | B(a), A(a, _) | B(a)) = B(B(1));
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| ^ used in a pattern more than once
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error[E0308]: mismatched types
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--> $DIR/already-bound-name.rs:33:31
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LL | let B(A(a, _) | B(a)) | A(a, A(a, _) | B(a)) = B(B(1));
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| ^ expected integer, found enum `E`
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= note: expected type `{integer}`
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found type `E<{integer}>`
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error: aborting due to 14 previous errors
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Some errors have detailed explanations: E0308, E0416.
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For more information about an error, try `rustc --explain E0308`.
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