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add ui test

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This commit is contained in:
Gauri 2018-01-13 17:13:18 +05:30
parent eb1ada2781
commit 3c8c5051b1
5 changed files with 53 additions and 1 deletions
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2
src/librustc_errors/emitter.rs
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@ -1188,7 +1188,7 @@ impl EmitterWriter {
acc + unicode_width::UnicodeWidthChar::width(ch).unwrap_or(0)
});
let underline_start = span_start_pos.col_display + start;
let underline_end = span_start_pos.col.0 + start + sub_len;
let underline_end = span_start_pos.col_display + start + sub_len;
for p in underline_start..underline_end {
buffer.putc(row_num,
max_line_num_len + 3 + p,

14
src/test/ui/issue-47377-1.rs Normal file
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@ -0,0 +1,14 @@
// Copyright 2017 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.
fn main(){
let b = "hello";
println!("🦀🦀🦀🦀🦀"); let _a = b + ", World!"; //~ERROR 13:37: 13:51: binary operation `+` cannot be applied to type `&str` [E0369]
}

12
src/test/ui/issue-47377-1.stderr Normal file
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@ -0,0 +1,12 @@
error[E0369]: binary operation `+` cannot be applied to type `&str`
--> $DIR/issue-47377-1.rs:13:37
|
13 | println!("🦀🦀🦀🦀🦀"); let _a = b + ", World!"; //~ERROR 13:37: 13:51: binary operation `+` cannot be applied to type `&str` [E0369]
| ^^^^^^^^^^^^^^ `+` can't be used to concatenate two `&str` strings
help: `to_owned()` can be used to create an owned `String` from a string reference. String concatenation appends the string on the right to the string on the left and may require reallocation. This requires ownership of the string on the left
|
13 | println!("🦀🦀🦀🦀🦀"); let _a = b.to_owned() + ", World!"; //~ERROR 13:37: 13:51: binary operation `+` cannot be applied to type `&str` [E0369]
| ^^^^^^^^^^^^
error: aborting due to previous error

14
src/test/ui/issue-47377.rs Normal file
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@ -0,0 +1,14 @@
// Copyright 2017 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.
fn main(){
let b = "hello";
let _a = b + ", World!"; //~ERROR 13:14: 13:28: binary operation `+` cannot be applied to type `&str` [E0369]
}

12
src/test/ui/issue-47377.stderr Normal file
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@ -0,0 +1,12 @@
error[E0369]: binary operation `+` cannot be applied to type `&str`
--> $DIR/issue-47377.rs:13:14
|
13 | let _a = b + ", World!"; //~ERROR 13:14: 13:28: binary operation `+` cannot be applied to type `&str` [E0369]
| ^^^^^^^^^^^^^^ `+` can't be used to concatenate two `&str` strings
help: `to_owned()` can be used to create an owned `String` from a string reference. String concatenation appends the string on the right to the string on the left and may require reallocation. This requires ownership of the string on the left
|
13 | let _a = b.to_owned() + ", World!"; //~ERROR 13:14: 13:28: binary operation `+` cannot be applied to type `&str` [E0369]
| ^^^^^^^^^^^^
error: aborting due to previous error