add non-regression test to existing doc attributes

lqd · lqd · commit 4af0888648d5 · 2018-09-13T01:06:02.000+02:00
when `normalize_doc_attributes` is off, they shouldn't be normalized to a doc comment
diff --git a/tests/source/attrib.rs b/tests/source/attrib.rs
@@ -30,6 +30,7 @@ impl Bar {
     /// Blah blah blooo.
     /// Blah blah blooo.
     #[an_attribute]
+    #[doc = "an attribute that shouldn't be normalized to a doc comment"]
     fn foo(&mut self) -> isize {
     }
 
diff --git a/tests/target/attrib.rs b/tests/target/attrib.rs
@@ -33,6 +33,7 @@ impl Bar {
     /// Blah blah blooo.
     /// Blah blah blooo.
     #[an_attribute]
+    #[doc = "an attribute that shouldn't be normalized to a doc comment"]
     fn foo(&mut self) -> isize {}
 
     /// Blah blah bing.

Original file line number	Diff line number	Diff line change
`@@ -30,6 +30,7 @@ impl Bar {`
`30`	`30`	`/// Blah blah blooo.`
`31`	`31`	`/// Blah blah blooo.`
`32`	`32`	`#[an_attribute]`
	`33`	`+ #[doc = "an attribute that shouldn't be normalized to a doc comment"]`
`33`	`34`	`fn foo(&mut self) -> isize {`
`34`	`35`	`}`
`35`	`36`