@@ -2889,3 +2889,79 @@ $DIR/short-error-format.rs:8:7: error[E0599]: no method named `salut` found for
28892889 . anonymized_line_numbers ( true ) ;
28902890 assert_data_eq ! ( renderer. render( input) , expected) ;
28912891}
2892+ 2893+ #[ test]
2894+ #[ should_panic( expected = "range end index 47 out of range for slice of length 26" ) ]
2895+ fn rustdoc_ui_diagnostic_width ( ) {
2896+ // tests/rustdoc-ui/diagnostic-width.rs
2897+ 2898+ let source_0 = r#"//@ compile-flags: --diagnostic-width=10
2899+ #![deny(rustdoc::bare_urls)]
2900+
2901+ /// This is a long line that contains a http://link.com
2902+ pub struct Foo; //~^ ERROR
2903+ "# ;
2904+ let source_1 = r#"/// This is a long line that contains a http://link.com
2905+ "# ;
2906+ 2907+ let input = Level :: ERROR
2908+ . header ( "this URL is not a hyperlink" )
2909+ . group (
2910+ Group :: new ( )
2911+ . element (
2912+ Snippet :: source ( source_0)
2913+ . origin ( "$DIR/diagnostic-width.rs" )
2914+ . fold ( true )
2915+ . annotation ( AnnotationKind :: Primary . span ( 111 ..126 ) ) ,
2916+ )
2917+ . element (
2918+ Level :: NOTE
2919+ . title ( "bare URLs are not automatically turned into clickable links" ) ,
2920+ ) ,
2921+ )
2922+ . group (
2923+ Group :: new ( )
2924+ . element ( Level :: NOTE . title ( "the lint level is defined here" ) )
2925+ . element (
2926+ Snippet :: source ( source_0)
2927+ . origin ( "$DIR/diagnostic-width.rs" )
2928+ . fold ( true )
2929+ . annotation ( AnnotationKind :: Primary . span ( 49 ..67 ) ) ,
2930+ ) ,
2931+ )
2932+ . group (
2933+ Group :: new ( )
2934+ . element ( Level :: HELP . title ( "use an automatic link instead" ) )
2935+ . element (
2936+ Snippet :: source ( source_1)
2937+ . origin ( "$DIR/diagnostic-width.rs" )
2938+ . line_start ( 4 )
2939+ . fold ( true )
2940+ . patch ( Patch :: new ( 40 ..40 , "<" ) )
2941+ . patch ( Patch :: new ( 55 ..55 , ">" ) ) ,
2942+ ) ,
2943+ ) ;
2944+ 2945+ let expected = str![ [ r#"
2946+ error: this URL is not a hyperlink
2947+ --> $DIR/diagnostic-width.rs:4:41
2948+ |
2949+ LL | ... a http://link.com
2950+ | ^^^^^^^^^^^^^^^
2951+ |
2952+ = note: bare URLs are not automatically turned into clickable links
2953+ note: the lint level is defined here
2954+ --> $DIR/diagnostic-width.rs:2:9
2955+ |
2956+ LL | ...ny(ru...are_urls)]
2957+ | ^^...^^^^^^^^
2958+ help: use an automatic link instead
2959+ |
2960+ LL | /// This is a long line that contains a <http://link.com>
2961+ | + +
2962+ "# ] ] ;
2963+ let renderer = Renderer :: plain ( )
2964+ . anonymized_line_numbers ( true )
2965+ . term_width ( 10 ) ;
2966+ assert_data_eq ! ( renderer. render( input) , expected) ;
2967+ }
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