diff options
Diffstat (limited to 'src/test')
4 files changed, 210 insertions, 0 deletions
diff --git a/src/test/ui/rfc-2497-if-let-chains/syntax-ambiguity-2015.rs b/src/test/ui/rfc-2497-if-let-chains/syntax-ambiguity-2015.rs new file mode 100644 index 00000000000..339d49104b0 --- /dev/null +++ b/src/test/ui/rfc-2497-if-let-chains/syntax-ambiguity-2015.rs @@ -0,0 +1,49 @@ +// Copyright 2016 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +// edition:2015 + +// Enabling `ireffutable_let_patterns` isn't necessary for what this tests, but it makes coming up +// with examples easier. +#![feature(irrefutable_let_patterns)] + +#[allow(irrefutable_let_patterns)] +fn main() { + use std::ops::Range; + + if let Range { start: _, end: _ } = true..true && false { } + //~^ ERROR ambigious use of `&&` + + if let Range { start: _, end: _ } = true..true || false { } + //~^ ERROR ambigious use of `||` + + while let Range { start: _, end: _ } = true..true && false { } + //~^ ERROR ambigious use of `&&` + + while let Range { start: _, end: _ } = true..true || false { } + //~^ ERROR ambigious use of `||` + + if let true = false && false { } + //~^ ERROR ambigious use of `&&` + + while let true = (1 == 2) && false { } + //~^ ERROR ambigious use of `&&` + + // The following cases are not an error as parenthesis are used to + // clarify intent: + + if let Range { start: _, end: _ } = true..(true || false) { } + + if let Range { start: _, end: _ } = true..(true && false) { } + + while let Range { start: _, end: _ } = true..(true || false) { } + + while let Range { start: _, end: _ } = true..(true && false) { } +} diff --git a/src/test/ui/rfc-2497-if-let-chains/syntax-ambiguity-2015.stderr b/src/test/ui/rfc-2497-if-let-chains/syntax-ambiguity-2015.stderr new file mode 100644 index 00000000000..8597294913f --- /dev/null +++ b/src/test/ui/rfc-2497-if-let-chains/syntax-ambiguity-2015.stderr @@ -0,0 +1,56 @@ +error: ambigious use of `&&` + --> $DIR/syntax-ambiguity-2015.rs:21:47 + | +LL | if let Range { start: _, end: _ } = true..true && false { } + | ^^^^^^^^^^^^^ help: consider adding parentheses: `(true && false)` + | + = note: this will be a error until the `let_chains` feature is stabilized + = note: see rust-lang/rust#53668 for more information + +error: ambigious use of `||` + --> $DIR/syntax-ambiguity-2015.rs:24:47 + | +LL | if let Range { start: _, end: _ } = true..true || false { } + | ^^^^^^^^^^^^^ help: consider adding parentheses: `(true || false)` + | + = note: this will be a error until the `let_chains` feature is stabilized + = note: see rust-lang/rust#53668 for more information + +error: ambigious use of `&&` + --> $DIR/syntax-ambiguity-2015.rs:27:50 + | +LL | while let Range { start: _, end: _ } = true..true && false { } + | ^^^^^^^^^^^^^ help: consider adding parentheses: `(true && false)` + | + = note: this will be a error until the `let_chains` feature is stabilized + = note: see rust-lang/rust#53668 for more information + +error: ambigious use of `||` + --> $DIR/syntax-ambiguity-2015.rs:30:50 + | +LL | while let Range { start: _, end: _ } = true..true || false { } + | ^^^^^^^^^^^^^ help: consider adding parentheses: `(true || false)` + | + = note: this will be a error until the `let_chains` feature is stabilized + = note: see rust-lang/rust#53668 for more information + +error: ambigious use of `&&` + --> $DIR/syntax-ambiguity-2015.rs:33:19 + | +LL | if let true = false && false { } + | ^^^^^^^^^^^^^^ help: consider adding parentheses: `(false && false)` + | + = note: this will be a error until the `let_chains` feature is stabilized + = note: see rust-lang/rust#53668 for more information + +error: ambigious use of `&&` + --> $DIR/syntax-ambiguity-2015.rs:36:22 + | +LL | while let true = (1 == 2) && false { } + | ^^^^^^^^^^^^^^^^^ help: consider adding parentheses: `((1 == 2) && false)` + | + = note: this will be a error until the `let_chains` feature is stabilized + = note: see rust-lang/rust#53668 for more information + +error: aborting due to 6 previous errors + diff --git a/src/test/ui/rfc-2497-if-let-chains/syntax-ambiguity-2018.rs b/src/test/ui/rfc-2497-if-let-chains/syntax-ambiguity-2018.rs new file mode 100644 index 00000000000..baa90bcf8e9 --- /dev/null +++ b/src/test/ui/rfc-2497-if-let-chains/syntax-ambiguity-2018.rs @@ -0,0 +1,49 @@ +// Copyright 2016 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +// edition:2018 + +// Enabling `ireffutable_let_patterns` isn't necessary for what this tests, but it makes coming up +// with examples easier. +#![feature(irrefutable_let_patterns)] + +#[allow(irrefutable_let_patterns)] +fn main() { + use std::ops::Range; + + if let Range { start: _, end: _ } = true..true && false { } + //~^ ERROR ambigious use of `&&` + + if let Range { start: _, end: _ } = true..true || false { } + //~^ ERROR ambigious use of `||` + + while let Range { start: _, end: _ } = true..true && false { } + //~^ ERROR ambigious use of `&&` + + while let Range { start: _, end: _ } = true..true || false { } + //~^ ERROR ambigious use of `||` + + if let true = false && false { } + //~^ ERROR ambigious use of `&&` + + while let true = (1 == 2) && false { } + //~^ ERROR ambigious use of `&&` + + // The following cases are not an error as parenthesis are used to + // clarify intent: + + if let Range { start: _, end: _ } = true..(true || false) { } + + if let Range { start: _, end: _ } = true..(true && false) { } + + while let Range { start: _, end: _ } = true..(true || false) { } + + while let Range { start: _, end: _ } = true..(true && false) { } +} diff --git a/src/test/ui/rfc-2497-if-let-chains/syntax-ambiguity-2018.stderr b/src/test/ui/rfc-2497-if-let-chains/syntax-ambiguity-2018.stderr new file mode 100644 index 00000000000..86ee04747b2 --- /dev/null +++ b/src/test/ui/rfc-2497-if-let-chains/syntax-ambiguity-2018.stderr @@ -0,0 +1,56 @@ +error: ambigious use of `&&` + --> $DIR/syntax-ambiguity-2018.rs:21:47 + | +LL | if let Range { start: _, end: _ } = true..true && false { } + | ^^^^^^^^^^^^^ help: consider adding parentheses: `(true && false)` + | + = note: this will be a error until the `let_chains` feature is stabilized + = note: see rust-lang/rust#53668 for more information + +error: ambigious use of `||` + --> $DIR/syntax-ambiguity-2018.rs:24:47 + | +LL | if let Range { start: _, end: _ } = true..true || false { } + | ^^^^^^^^^^^^^ help: consider adding parentheses: `(true || false)` + | + = note: this will be a error until the `let_chains` feature is stabilized + = note: see rust-lang/rust#53668 for more information + +error: ambigious use of `&&` + --> $DIR/syntax-ambiguity-2018.rs:27:50 + | +LL | while let Range { start: _, end: _ } = true..true && false { } + | ^^^^^^^^^^^^^ help: consider adding parentheses: `(true && false)` + | + = note: this will be a error until the `let_chains` feature is stabilized + = note: see rust-lang/rust#53668 for more information + +error: ambigious use of `||` + --> $DIR/syntax-ambiguity-2018.rs:30:50 + | +LL | while let Range { start: _, end: _ } = true..true || false { } + | ^^^^^^^^^^^^^ help: consider adding parentheses: `(true || false)` + | + = note: this will be a error until the `let_chains` feature is stabilized + = note: see rust-lang/rust#53668 for more information + +error: ambigious use of `&&` + --> $DIR/syntax-ambiguity-2018.rs:33:19 + | +LL | if let true = false && false { } + | ^^^^^^^^^^^^^^ help: consider adding parentheses: `(false && false)` + | + = note: this will be a error until the `let_chains` feature is stabilized + = note: see rust-lang/rust#53668 for more information + +error: ambigious use of `&&` + --> $DIR/syntax-ambiguity-2018.rs:36:22 + | +LL | while let true = (1 == 2) && false { } + | ^^^^^^^^^^^^^^^^^ help: consider adding parentheses: `((1 == 2) && false)` + | + = note: this will be a error until the `let_chains` feature is stabilized + = note: see rust-lang/rust#53668 for more information + +error: aborting due to 6 previous errors + |