Merge remote-tracking branch 'upstream/master' into subtree-push-nightly-2024-06-13

47 files changed, 602 insertions, 10 deletions

diff --git a/tests/config/issue-5801-v1.toml b/tests/config/issue-5801-v1.toml
new file mode 100644
index 00000000000..8695df0099e
--- /dev/null
+++ b/tests/config/issue-5801-v1.toml
@@ -0,0 +1,3 @@
+max_width = 120
+version = "One"
+attr_fn_like_width = 120
\ No newline at end of file
diff --git a/tests/config/issue-5801-v2.toml b/tests/config/issue-5801-v2.toml
new file mode 100644
index 00000000000..948f4fb66bf
--- /dev/null
+++ b/tests/config/issue-5801-v2.toml
@@ -0,0 +1,3 @@
+max_width = 120
+version = "Two"
+attr_fn_like_width = 120
\ No newline at end of file
diff --git a/tests/mod-resolver/skip-files-issue-5065/main.rs b/tests/mod-resolver/skip-files-issue-5065/main.rs
index 3122e4f220f..f102bf9d181 100644
--- a/tests/mod-resolver/skip-files-issue-5065/main.rs
+++ b/tests/mod-resolver/skip-files-issue-5065/main.rs
@@ -6,4 +6,4 @@ mod one;
 fn main() {println!("Hello, world!");
 }
 
-// trailing commet
+// trailing comment
diff --git a/tests/rustfmt/main.rs b/tests/rustfmt/main.rs
index e66fad1e7fa..58cf0e5e4db 100644
--- a/tests/rustfmt/main.rs
+++ b/tests/rustfmt/main.rs
@@ -176,7 +176,14 @@ fn rustfmt_emits_error_on_line_overflow_true() {
 #[test]
 #[allow(non_snake_case)]
 fn dont_emit_ICE() {
-    let files = ["tests/target/issue_5728.rs", "tests/target/issue_5729.rs", "tests/target/issue_6082.rs"];
+    let files = [
+        "tests/target/issue_5728.rs",
+        "tests/target/issue_5729.rs",
+        "tests/target/issue-5885.rs",
+        "tests/target/issue_6082.rs",
+        "tests/target/issue_6069.rs",
+        "tests/target/issue-6105.rs",
+    ];
 
     for file in files {
         let args = [file];
@@ -184,3 +191,19 @@ fn dont_emit_ICE() {
         assert!(!stderr.contains("thread 'main' panicked"));
     }
 }
+
+#[test]
+fn rustfmt_emits_error_when_control_brace_style_is_always_next_line() {
+    // See also https://github.com/rust-lang/rustfmt/issues/5912
+    let args = [
+        "--config=color=Never",
+        "--config",
+        "control_brace_style=AlwaysNextLine",
+        "--config",
+        "match_arm_blocks=false",
+        "tests/target/issue_5912.rs",
+    ];
+
+    let (_stdout, stderr) = rustfmt(&args);
+    assert!(!stderr.contains("error[internal]: left behind trailing whitespace"))
+}
diff --git a/tests/source/arrow_in_comments/arrow_in_single_comment.rs b/tests/source/arrow_in_comments/arrow_in_single_comment.rs
new file mode 100644
index 00000000000..fb0576a4822
--- /dev/null
+++ b/tests/source/arrow_in_comments/arrow_in_single_comment.rs
@@ -0,0 +1,10 @@
+// rustfmt-version: Two
+fn main() {
+    match a {
+        _ =>
+        // comment with =>
+                {
+            println!("A")
+        }
+    }
+}
diff --git a/tests/source/arrow_in_comments/multiple_arrows.rs b/tests/source/arrow_in_comments/multiple_arrows.rs
new file mode 100644
index 00000000000..fc696b309f2
--- /dev/null
+++ b/tests/source/arrow_in_comments/multiple_arrows.rs
@@ -0,0 +1,14 @@
+// rustfmt-version: Two
+fn main() {
+    match a {
+        _ => // comment with => 
+        match b {
+            // one goes to =>
+            one => {
+                println("1");
+            }
+            // two goes to =>
+            two => { println("2"); }
+        } 
+    }
+}
diff --git a/tests/source/configs/format_generated_files/false_with_generated_marker_line_search_limit.rs b/tests/source/configs/format_generated_files/false_with_generated_marker_line_search_limit.rs
new file mode 100644
index 00000000000..be03849fe10
--- /dev/null
+++ b/tests/source/configs/format_generated_files/false_with_generated_marker_line_search_limit.rs
@@ -0,0 +1,10 @@
+// rustfmt-format_generated_files: false
+// rustfmt-generated_marker_line_search_limit: 15
+
+fn main()
+{
+    println!("hello, world")
+    ;
+}
+
+// @generated
\ No newline at end of file
diff --git a/tests/source/configs/format_generated_files/false_with_marker_out_scope_size.rs b/tests/source/configs/format_generated_files/false_with_marker_out_scope_size.rs
new file mode 100644
index 00000000000..abb97e6259f
--- /dev/null
+++ b/tests/source/configs/format_generated_files/false_with_marker_out_scope_size.rs
@@ -0,0 +1,10 @@
+// rustfmt-format_generated_files: false
+// rustfmt-generated_marker_line_search_limit: 1
+
+fn main()
+{
+    println!("hello, world")
+    ;
+}
+
+// @generated
\ No newline at end of file
diff --git a/tests/source/configs/format_generated_files/false_with_zero_search_limit.rs b/tests/source/configs/format_generated_files/false_with_zero_search_limit.rs
new file mode 100644
index 00000000000..f6978d0f355
--- /dev/null
+++ b/tests/source/configs/format_generated_files/false_with_zero_search_limit.rs
@@ -0,0 +1,9 @@
+// rustfmt-format_generated_files: false
+// rustfmt-generated_marker_line_search_limit: 0
+
+// @generated
+fn main() {
+    println!("hello, world")
+    ;
+}
+// @generated
diff --git a/tests/source/configs/format_generated_files/true_with_marker_in_scope_size.rs b/tests/source/configs/format_generated_files/true_with_marker_in_scope_size.rs
new file mode 100644
index 00000000000..53cc116ec2b
--- /dev/null
+++ b/tests/source/configs/format_generated_files/true_with_marker_in_scope_size.rs
@@ -0,0 +1,10 @@
+// rustfmt-format_generated_files: true
+// rustfmt-generated_marker_line_search_limit: 20
+
+fn main()
+{
+    println!("hello, world")
+    ;
+}
+
+// @generated
diff --git a/tests/source/configs/format_generated_files/true_with_marker_not_in_header.rs b/tests/source/configs/format_generated_files/true_with_marker_not_in_header.rs
new file mode 100644
index 00000000000..8eff1a3b0ee
--- /dev/null
+++ b/tests/source/configs/format_generated_files/true_with_marker_not_in_header.rs
@@ -0,0 +1,9 @@
+// rustfmt-format_generated_files: true
+
+fn main()
+{
+    println!("hello, world")
+    ;
+}
+
+// @generated
\ No newline at end of file
diff --git a/tests/source/issue-3805.rs b/tests/source/issue-3805.rs
new file mode 100644
index 00000000000..a0289b57974
--- /dev/null
+++ b/tests/source/issue-3805.rs
@@ -0,0 +1,65 @@
+// rustfmt-version: Two
+// rustfmt-format_macro_matchers: true
+
+// From original issue example - Line length 101
+macro_rules! test {
+($aasdfghj:expr, $qwertyuiop:expr, $zxcvbnmasdfghjkl:expr, $aeiouaeiouaeio:expr, $add:expr) => {{
+return;
+}};
+}
+
+// Spaces between the `{` and `}`
+macro_rules! test {
+($aasdfghj:expr, $qwertyuiop:expr, $zxcvbnmasdfghjkl:expr, $aeiouaeiouaeio:expr, $add:expr) => {     {
+return;
+}      };
+}
+
+// Multi  `{}`
+macro_rules! test {
+($aasdfghj:expr, $qwertyuiop:expr, $zxcvbnmasdfghjkl:expr, $aeiouaeiouaeio:expr, $add:expr) => {{{{
+return;
+}}}};
+}
+
+// Multi  `{}` with spaces
+macro_rules! test {
+($aasdfghj:expr, $qwertyuiop:expr, $zxcvbnmasdfghjkl:expr, $aeiouaeiouaeio:expr, $add:expr) => {    {    {    {
+return;
+}     }     }    };
+}
+    
+// Line length 102
+macro_rules! test {
+($aasdfghj:expr, $qwertyuiop:expr, $zxcvbnmasdfghjkl:expr, $aeiouaeiouaeiou:expr, $add:expr) => {{
+return;
+}};
+}
+
+// Line length 103
+macro_rules! test {
+($aasdfghj:expr, $qwertyuiop:expr, $zxcvbnmasdfghjkl:expr, $aeiouaeiouaeioua:expr, $add:expr) => {{
+return;
+}};
+}
+
+// With extended macro body - Line length 101
+macro_rules! test {
+($aasdfghj:expr, $qwertyuiop:expr, $zxcvbnmasdfghjkl:expr, $aeiouaeiouaeio:expr, $add:expr) => {{
+let VAR = "VALUE"; return VAR;
+}};
+}
+
+// With extended macro body - Line length 102
+macro_rules! test {
+($aasdfghj:expr, $qwertyuiop:expr, $zxcvbnmasdfghjkl:expr, $aeiouaeiouaeiou:expr, $add:expr) => {{
+let VAR = "VALUE"; return VAR;
+}};
+}
+
+// With extended macro body - Line length 103
+macro_rules! test {
+($aasdfghj:expr, $qwertyuiop:expr, $zxcvbnmasdfghjkl:expr, $aeiouaeiouaeioua:expr, $add:expr) => {{
+let VAR = "VALUE"; return VAR;
+}};
+}
diff --git a/tests/source/issue-5801/attribute_unexpectedly_wraps_before_max_width.rs b/tests/source/issue-5801/attribute_unexpectedly_wraps_before_max_width.rs
new file mode 100644
index 00000000000..59902c7bcce
--- /dev/null
+++ b/tests/source/issue-5801/attribute_unexpectedly_wraps_before_max_width.rs
@@ -0,0 +1,8 @@
+// rustfmt-config: issue-5801-v1.toml
+
+pub enum Severity {
+    #[something(AAAAAAAAAAAAA, BBBBBBBBBBBBBB, CCCCCCCCCCCCCCCC, DDDDDDDDDDDDD, EEEEEEEEEEEE, FFFFFFFFFFF, GGGGGGGGGGG)]
+    AttrsWillWrap,
+    #[something_else(hhhhhhhhhhhhhhhh, iiiiiiiiiiiiiiii, jjjjjjjjjjjjjjj, kkkkkkkkkkkkk, llllllllllll, mmmmmmmmmmmmmm)]
+    AttrsWontWrap,
+}
diff --git a/tests/source/issue-5801/comment_unexpectedly_wraps_before_max_width.rs b/tests/source/issue-5801/comment_unexpectedly_wraps_before_max_width.rs
new file mode 100644
index 00000000000..5847afd9560
--- /dev/null
+++ b/tests/source/issue-5801/comment_unexpectedly_wraps_before_max_width.rs
@@ -0,0 +1,17 @@
+// rustfmt-comment_width: 120
+// rustfmt-wrap_comments: true
+// rustfmt-max_width: 120
+// rustfmt-version: One
+
+/// This function is 120 columns wide and is left alone. This comment is 120 columns wide and the formatter is also fine
+fn my_super_cool_function_name(my_very_cool_argument_name: String, my_other_very_cool_argument_name: String) -> String {
+    unimplemented!()
+}
+
+pub enum Severity {
+    /// In version one, the below line got wrapped prematurely as we subtracted 1 to account for `,`. See issue #5801.
+    /// But here, this comment is 120 columns wide and the formatter wants to split it up onto two separate lines still.
+    Error,
+    /// This comment is 119 columns wide and works perfectly. Lorem ipsum. lorem ipsum. lorem ipsum. lorem ipsum lorem.
+    Warning,
+}
diff --git a/tests/source/issue-5987/two.rs b/tests/source/issue-5987/two.rs
new file mode 100644
index 00000000000..e20026b5565
--- /dev/null
+++ b/tests/source/issue-5987/two.rs
@@ -0,0 +1,13 @@
+// rustfmt-version: Two
+
+fn main() {
+    trace!(
+        "get some longer length in here yes yes {} {}",
+        "hello",
+        "world"
+    );
+    debug!(
+        "get some longer length in here yes yes {} {}",
+        "hello", "world"
+    );
+}
diff --git a/tests/source/issue-6059/repro.rs b/tests/source/issue-6059/repro.rs
new file mode 100644
index 00000000000..1dc62cc8d26
--- /dev/null
+++ b/tests/source/issue-6059/repro.rs
@@ -0,0 +1,3 @@
+fn float_range_tests() {
+    self.coords.x -= rng.gen_range(-self.radius / 2. .. self.radius / 2.);
+}
diff --git a/tests/source/issue-6147/case_rustfmt_v1.rs b/tests/source/issue-6147/case_rustfmt_v1.rs
new file mode 100644
index 00000000000..2ac2e0361c3
--- /dev/null
+++ b/tests/source/issue-6147/case_rustfmt_v1.rs
@@ -0,0 +1,20 @@
+// rustfmt-version: One
+
+pub fn main() {
+let a = Some(12);
+match a {
+#![attr1]
+#![attr2]
+#![attr3]
+_ => None,
+}
+
+{
+match a {
+#![attr1]
+#![attr2]
+#![attr3]
+_ => None,
+}
+}
+}
diff --git a/tests/source/issue-6147/case_rustfmt_v2.rs b/tests/source/issue-6147/case_rustfmt_v2.rs
new file mode 100644
index 00000000000..c1bf1ad4bf8
--- /dev/null
+++ b/tests/source/issue-6147/case_rustfmt_v2.rs
@@ -0,0 +1,20 @@
+// rustfmt-version: Two
+
+pub fn main() {
+let a = Some(12);
+match a {
+#![attr1]
+#![attr2]
+#![attr3]
+_ => None,
+}
+
+{
+match a {
+#![attr1]
+#![attr2]
+#![attr3]
+_ => None,
+}
+}
+}
diff --git a/tests/source/issue_5912.rs b/tests/source/issue_5912.rs
new file mode 100644
index 00000000000..2265fd2146c
--- /dev/null
+++ b/tests/source/issue_5912.rs
@@ -0,0 +1,15 @@
+// rustfmt-match_arm_blocks: false
+// rustfmt-control_brace_style: AlwaysNextLine
+
+fn foo() {
+    match 0 {
+        0 => {
+            aaaaaaaaaaaaaaaaaaaaaaaa
+                + bbbbbbbbbbbbbbbbbbbbbbbbb
+                + bbbbbbbbbbbbbbbbbbbbbbbbb
+                + bbbbbbbbbbbbbbbbbbbbbbbbb
+                + bbbbbbbbbbbbbbbbbbbbbbbbb
+        }
+        _ => 2,
+    }
+}
diff --git a/tests/source/let_else.rs b/tests/source/let_else.rs
index cb2859e805d..c589ab75cd3 100644
--- a/tests/source/let_else.rs
+++ b/tests/source/let_else.rs
@@ -117,8 +117,8 @@ fn unbreakable_initializer_expr_pre_formatting_length_through_initializer_expr_n
     // Break after the `=` and put the initializer expr on it's own line.
     // Because the initializer expr is multi-lined the else is placed on it's own line.
     // The initializer expr has a length of 91, which when indented on the next line
-    // The `(indent)init` line has a lengh of 99. This is the max length that the `init` can be
-    // before we start running into max_width issues. I suspect this is becuase the shape is
+    // The `(indent)init` line has a length of 99. This is the max length that the `init` can be
+    // before we start running into max_width issues. I suspect this is because the shape is
     // accounting for the `;` at the end of the `let-else` statement.
     let Some(x) = some_really_really_really_really_really_really_really_really_really_really_long_name______I else {return};
 
@@ -127,7 +127,7 @@ fn unbreakable_initializer_expr_pre_formatting_length_through_initializer_expr_n
     // Post Formatting:
     // Max length issues prevent us from formatting.
     // The initializer expr has a length of 92, which if it would be indented on the next line
-    // the `(indent)init` line has a lengh of 100 which == max_width of 100.
+    // the `(indent)init` line has a length of 100 which == max_width of 100.
     // One might expect formatting to succeed, but I suspect the reason we hit max_width issues is
     // because the Shape is accounting for the `;` at the end of the `let-else` statement.
     let Some(x) = some_really_really_really_really_really_really_really_really_really_really_really_long_nameJ else {return};
diff --git a/tests/source/no_arg_with_commnet.rs b/tests/source/no_arg_with_commnet.rs
index ea4ee0f1eee..41c3c6bea48 100644
--- a/tests/source/no_arg_with_commnet.rs
+++ b/tests/source/no_arg_with_commnet.rs
@@ -1,2 +1,2 @@
-fn foo(  /* cooment */
+fn foo(  /* comment */
 ) {}
diff --git a/tests/target/arrow_in_comments/arrow_in_single_comment.rs b/tests/target/arrow_in_comments/arrow_in_single_comment.rs
new file mode 100644
index 00000000000..deffdbeeaaf
--- /dev/null
+++ b/tests/target/arrow_in_comments/arrow_in_single_comment.rs
@@ -0,0 +1,10 @@
+// rustfmt-version: Two
+fn main() {
+    match a {
+        _ =>
+        // comment with =>
+        {
+            println!("A")
+        }
+    }
+}
diff --git a/tests/target/arrow_in_comments/multiple_arrows.rs b/tests/target/arrow_in_comments/multiple_arrows.rs
new file mode 100644
index 00000000000..b0443411816
--- /dev/null
+++ b/tests/target/arrow_in_comments/multiple_arrows.rs
@@ -0,0 +1,19 @@
+// rustfmt-version: Two
+fn main() {
+    match a {
+        _ =>
+        // comment with =>
+        {
+            match b {
+                // one goes to =>
+                one => {
+                    println("1");
+                }
+                // two goes to =>
+                two => {
+                    println("2");
+                }
+            }
+        }
+    }
+}
diff --git a/tests/target/configs/format_generated_files/false_with_generated_marker_line_search_limit.rs b/tests/target/configs/format_generated_files/false_with_generated_marker_line_search_limit.rs
new file mode 100644
index 00000000000..be03849fe10
--- /dev/null
+++ b/tests/target/configs/format_generated_files/false_with_generated_marker_line_search_limit.rs
@@ -0,0 +1,10 @@
+// rustfmt-format_generated_files: false
+// rustfmt-generated_marker_line_search_limit: 15
+
+fn main()
+{
+    println!("hello, world")
+    ;
+}
+
+// @generated
\ No newline at end of file
diff --git a/tests/target/configs/format_generated_files/false_with_marker_out_scope_size.rs b/tests/target/configs/format_generated_files/false_with_marker_out_scope_size.rs
new file mode 100644
index 00000000000..93405896a1d
--- /dev/null
+++ b/tests/target/configs/format_generated_files/false_with_marker_out_scope_size.rs
@@ -0,0 +1,8 @@
+// rustfmt-format_generated_files: false
+// rustfmt-generated_marker_line_search_limit: 1
+
+fn main() {
+    println!("hello, world");
+}
+
+// @generated
diff --git a/tests/target/configs/format_generated_files/false_with_zero_search_limit.rs b/tests/target/configs/format_generated_files/false_with_zero_search_limit.rs
new file mode 100644
index 00000000000..6acd46ed2eb
--- /dev/null
+++ b/tests/target/configs/format_generated_files/false_with_zero_search_limit.rs
@@ -0,0 +1,8 @@
+// rustfmt-format_generated_files: false
+// rustfmt-generated_marker_line_search_limit: 0
+
+// @generated
+fn main() {
+    println!("hello, world");
+}
+// @generated
diff --git a/tests/target/configs/format_generated_files/true_with_marker_in_scope_size.rs b/tests/target/configs/format_generated_files/true_with_marker_in_scope_size.rs
new file mode 100644
index 00000000000..03bfdfd1c59
--- /dev/null
+++ b/tests/target/configs/format_generated_files/true_with_marker_in_scope_size.rs
@@ -0,0 +1,8 @@
+// rustfmt-format_generated_files: true
+// rustfmt-generated_marker_line_search_limit: 20
+
+fn main() {
+    println!("hello, world");
+}
+
+// @generated
diff --git a/tests/target/configs/format_generated_files/true_with_marker_not_in_header.rs b/tests/target/configs/format_generated_files/true_with_marker_not_in_header.rs
new file mode 100644
index 00000000000..3b6280b350e
--- /dev/null
+++ b/tests/target/configs/format_generated_files/true_with_marker_not_in_header.rs
@@ -0,0 +1,7 @@
+// rustfmt-format_generated_files: true
+
+fn main() {
+    println!("hello, world");
+}
+
+// @generated
diff --git a/tests/target/impl.rs b/tests/target/impl.rs
index f37fbcf1fcb..10de0ecde56 100644
--- a/tests/target/impl.rs
+++ b/tests/target/impl.rs
@@ -32,6 +32,11 @@ where
 {
 }
 
+// #5941
+impl T where (): Clone // Should not add comma to comment
+{
+}
+
 // #1823
 default impl Trait for X {}
 default unsafe impl Trait for Y {}
diff --git a/tests/target/issue-3805.rs b/tests/target/issue-3805.rs
new file mode 100644
index 00000000000..a247a43fe6d
--- /dev/null
+++ b/tests/target/issue-3805.rs
@@ -0,0 +1,94 @@
+// rustfmt-version: Two
+// rustfmt-format_macro_matchers: true
+
+// From original issue example - Line length 101
+macro_rules! test {
+    (
+        $aasdfghj:expr, $qwertyuiop:expr, $zxcvbnmasdfghjkl:expr, $aeiouaeiouaeio:expr, $add:expr
+    ) => {{
+        return;
+    }};
+}
+
+// Spaces between the `{` and `}`
+macro_rules! test {
+    (
+        $aasdfghj:expr, $qwertyuiop:expr, $zxcvbnmasdfghjkl:expr, $aeiouaeiouaeio:expr, $add:expr
+    ) => {{
+        return;
+    }};
+}
+
+// Multi  `{}`
+macro_rules! test {
+    (
+        $aasdfghj:expr, $qwertyuiop:expr, $zxcvbnmasdfghjkl:expr, $aeiouaeiouaeio:expr, $add:expr
+    ) => {{
+        {
+            {
+                return;
+            }
+        }
+    }};
+}
+
+// Multi  `{}` with spaces
+macro_rules! test {
+    (
+        $aasdfghj:expr, $qwertyuiop:expr, $zxcvbnmasdfghjkl:expr, $aeiouaeiouaeio:expr, $add:expr
+    ) => {{
+        {
+            {
+                return;
+            }
+        }
+    }};
+}
+
+// Line length 102
+macro_rules! test {
+    (
+        $aasdfghj:expr, $qwertyuiop:expr, $zxcvbnmasdfghjkl:expr, $aeiouaeiouaeiou:expr, $add:expr
+    ) => {{
+        return;
+    }};
+}
+
+// Line length 103
+macro_rules! test {
+    (
+        $aasdfghj:expr, $qwertyuiop:expr, $zxcvbnmasdfghjkl:expr, $aeiouaeiouaeioua:expr, $add:expr
+    ) => {{
+        return;
+    }};
+}
+
+// With extended macro body - Line length 101
+macro_rules! test {
+    (
+        $aasdfghj:expr, $qwertyuiop:expr, $zxcvbnmasdfghjkl:expr, $aeiouaeiouaeio:expr, $add:expr
+    ) => {{
+        let VAR = "VALUE";
+        return VAR;
+    }};
+}
+
+// With extended macro body - Line length 102
+macro_rules! test {
+    (
+        $aasdfghj:expr, $qwertyuiop:expr, $zxcvbnmasdfghjkl:expr, $aeiouaeiouaeiou:expr, $add:expr
+    ) => {{
+        let VAR = "VALUE";
+        return VAR;
+    }};
+}
+
+// With extended macro body - Line length 103
+macro_rules! test {
+    (
+        $aasdfghj:expr, $qwertyuiop:expr, $zxcvbnmasdfghjkl:expr, $aeiouaeiouaeioua:expr, $add:expr
+    ) => {{
+        let VAR = "VALUE";
+        return VAR;
+    }};
+}
diff --git a/tests/target/issue-5801/attribute_does_not_wrap_within_max_width.rs b/tests/target/issue-5801/attribute_does_not_wrap_within_max_width.rs
new file mode 100644
index 00000000000..e3b6f3b37f5
--- /dev/null
+++ b/tests/target/issue-5801/attribute_does_not_wrap_within_max_width.rs
@@ -0,0 +1,8 @@
+// rustfmt-config: issue-5801-v2.toml
+
+pub enum Severity {
+    #[something(AAAAAAAAAAAAA, BBBBBBBBBBBBBB, CCCCCCCCCCCCCCCC, DDDDDDDDDDDDD, EEEEEEEEEEEE, FFFFFFFFFFF, GGGGGGGGGGG)]
+    AttrsWillWrap,
+    #[something_else(hhhhhhhhhhhhhhhh, iiiiiiiiiiiiiiii, jjjjjjjjjjjjjjj, kkkkkkkkkkkkk, llllllllllll, mmmmmmmmmmmmmm)]
+    AttrsWontWrap,
+}
diff --git a/tests/target/issue-5801/attribute_unexpectedly_wraps_before_max_width.rs b/tests/target/issue-5801/attribute_unexpectedly_wraps_before_max_width.rs
new file mode 100644
index 00000000000..89676666225
--- /dev/null
+++ b/tests/target/issue-5801/attribute_unexpectedly_wraps_before_max_width.rs
@@ -0,0 +1,16 @@
+// rustfmt-config: issue-5801-v1.toml
+
+pub enum Severity {
+    #[something(
+        AAAAAAAAAAAAA,
+        BBBBBBBBBBBBBB,
+        CCCCCCCCCCCCCCCC,
+        DDDDDDDDDDDDD,
+        EEEEEEEEEEEE,
+        FFFFFFFFFFF,
+        GGGGGGGGGGG
+    )]
+    AttrsWillWrap,
+    #[something_else(hhhhhhhhhhhhhhhh, iiiiiiiiiiiiiiii, jjjjjjjjjjjjjjj, kkkkkkkkkkkkk, llllllllllll, mmmmmmmmmmmmmm)]
+    AttrsWontWrap,
+}
diff --git a/tests/target/issue-5801/comment_does_not_wrap_within_max_width.rs b/tests/target/issue-5801/comment_does_not_wrap_within_max_width.rs
new file mode 100644
index 00000000000..9f294751108
--- /dev/null
+++ b/tests/target/issue-5801/comment_does_not_wrap_within_max_width.rs
@@ -0,0 +1,16 @@
+// rustfmt-comment_width: 120
+// rustfmt-wrap_comments: true
+// rustfmt-max_width: 120
+// rustfmt-version: Two
+
+/// This function is 120 columns wide and is left alone. This comment is 120 columns wide and the formatter is also fine
+fn my_super_cool_function_name(my_very_cool_argument_name: String, my_other_very_cool_argument_name: String) -> String {
+    unimplemented!()
+}
+
+pub enum Severity {
+    /// But here, this comment is 120 columns wide and the formatter wants to split it up onto two separate lines still.
+    Error,
+    /// This comment is 119 columns wide and works perfectly. Lorem ipsum. lorem ipsum. lorem ipsum. lorem ipsum lorem.
+    Warning,
+}
diff --git a/tests/target/issue-5801/comment_unexpectedly_wraps_before_max_width.rs b/tests/target/issue-5801/comment_unexpectedly_wraps_before_max_width.rs
new file mode 100644
index 00000000000..dd839dd4548
--- /dev/null
+++ b/tests/target/issue-5801/comment_unexpectedly_wraps_before_max_width.rs
@@ -0,0 +1,18 @@
+// rustfmt-comment_width: 120
+// rustfmt-wrap_comments: true
+// rustfmt-max_width: 120
+// rustfmt-version: One
+
+/// This function is 120 columns wide and is left alone. This comment is 120 columns wide and the formatter is also fine
+fn my_super_cool_function_name(my_very_cool_argument_name: String, my_other_very_cool_argument_name: String) -> String {
+    unimplemented!()
+}
+
+pub enum Severity {
+    /// In version one, the below line got wrapped prematurely as we subtracted 1 to account for `,`. See issue #5801.
+    /// But here, this comment is 120 columns wide and the formatter wants to split it up onto two separate lines
+    /// still.
+    Error,
+    /// This comment is 119 columns wide and works perfectly. Lorem ipsum. lorem ipsum. lorem ipsum. lorem ipsum lorem.
+    Warning,
+}
diff --git a/tests/target/issue-5885.rs b/tests/target/issue-5885.rs
new file mode 100644
index 00000000000..85a659cbb47
--- /dev/null
+++ b/tests/target/issue-5885.rs
@@ -0,0 +1,3 @@
+fn main() {
+    println!("{}", builtin # offset_of(A, 0. 1.1.1));
+}
diff --git a/tests/target/issue-5987/one.rs b/tests/target/issue-5987/one.rs
new file mode 100644
index 00000000000..3c995ed28ba
--- /dev/null
+++ b/tests/target/issue-5987/one.rs
@@ -0,0 +1,13 @@
+// rustfmt-version: One
+
+fn main() {
+    trace!(
+        "get some longer length in here yes yes {} {}",
+        "hello",
+        "world"
+    );
+    debug!(
+        "get some longer length in here yes yes {} {}",
+        "hello", "world"
+    );
+}
diff --git a/tests/target/issue-5987/two.rs b/tests/target/issue-5987/two.rs
new file mode 100644
index 00000000000..8fd92fc179e
--- /dev/null
+++ b/tests/target/issue-5987/two.rs
@@ -0,0 +1,12 @@
+// rustfmt-version: Two
+
+fn main() {
+    trace!(
+        "get some longer length in here yes yes {} {}",
+        "hello", "world"
+    );
+    debug!(
+        "get some longer length in here yes yes {} {}",
+        "hello", "world"
+    );
+}
diff --git a/tests/target/issue-6059/additional.rs b/tests/target/issue-6059/additional.rs
new file mode 100644
index 00000000000..fe708dcbdd3
--- /dev/null
+++ b/tests/target/issue-6059/additional.rs
@@ -0,0 +1,6 @@
+fn float_range_tests() {
+    let _range = 3. / 2. ..4.;
+    let _range = 3.0 / 2. ..4.0;
+    let _range = 3.0 / 2.0..4.0;
+    let _range = 3. / 2.0..4.0;
+}
diff --git a/tests/target/issue-6059/repro.rs b/tests/target/issue-6059/repro.rs
new file mode 100644
index 00000000000..e8744c9ffcf
--- /dev/null
+++ b/tests/target/issue-6059/repro.rs
@@ -0,0 +1,3 @@
+fn float_range_tests() {
+    self.coords.x -= rng.gen_range(-self.radius / 2. ..self.radius / 2.);
+}
diff --git a/tests/target/issue-6105.rs b/tests/target/issue-6105.rs
new file mode 100644
index 00000000000..1eb0ce89f78
--- /dev/null
+++ b/tests/target/issue-6105.rs
@@ -0,0 +1 @@
+const _: () = builtin # offset_of(x, x);
diff --git a/tests/target/issue-6147/case_rustfmt_v1.rs b/tests/target/issue-6147/case_rustfmt_v1.rs
new file mode 100644
index 00000000000..75800012c63
--- /dev/null
+++ b/tests/target/issue-6147/case_rustfmt_v1.rs
@@ -0,0 +1,20 @@
+// rustfmt-version: One
+
+pub fn main() {
+    let a = Some(12);
+    match a {
+        #![attr1]
+    #![attr2]
+    #![attr3]
+        _ => None,
+    }
+
+    {
+        match a {
+            #![attr1]
+        #![attr2]
+        #![attr3]
+            _ => None,
+        }
+    }
+}
diff --git a/tests/target/issue-6147/case_rustfmt_v2.rs b/tests/target/issue-6147/case_rustfmt_v2.rs
new file mode 100644
index 00000000000..5e4220e7306
--- /dev/null
+++ b/tests/target/issue-6147/case_rustfmt_v2.rs
@@ -0,0 +1,20 @@
+// rustfmt-version: Two
+
+pub fn main() {
+    let a = Some(12);
+    match a {
+        #![attr1]
+        #![attr2]
+        #![attr3]
+        _ => None,
+    }
+
+    {
+        match a {
+            #![attr1]
+            #![attr2]
+            #![attr3]
+            _ => None,
+        }
+    }
+}
diff --git a/tests/target/issue_5912.rs b/tests/target/issue_5912.rs
new file mode 100644
index 00000000000..835f2aba971
--- /dev/null
+++ b/tests/target/issue_5912.rs
@@ -0,0 +1,15 @@
+// rustfmt-match_arm_blocks: false
+// rustfmt-control_brace_style: AlwaysNextLine
+
+fn foo() {
+    match 0
+    {
+        0 =>
+            aaaaaaaaaaaaaaaaaaaaaaaa
+                + bbbbbbbbbbbbbbbbbbbbbbbbb
+                + bbbbbbbbbbbbbbbbbbbbbbbbb
+                + bbbbbbbbbbbbbbbbbbbbbbbbb
+                + bbbbbbbbbbbbbbbbbbbbbbbbb,
+        _ => 2,
+    }
+}
diff --git a/tests/target/issue_6069.rs b/tests/target/issue_6069.rs
new file mode 100644
index 00000000000..d866ce7c646
--- /dev/null
+++ b/tests/target/issue_6069.rs
@@ -0,0 +1,3 @@
+// `Foó` as written here ends with ASCII 6F `'o'` followed by `'\u{0301}'` COMBINING ACUTE ACCENT.
+// The compiler normalizes that combination to NFC form, `'\u{00F3}'` LATIN SMALL LETTER O WITH ACUTE.
+trait Foó: Bar {}
diff --git a/tests/target/issue_6158.rs b/tests/target/issue_6158.rs
new file mode 100644
index 00000000000..82bb7d9fa05
--- /dev/null
+++ b/tests/target/issue_6158.rs
@@ -0,0 +1,7 @@
+fn main() {
+    const {
+        #![allow(clippy::assertions_on_constants)]
+
+        assert!(1 < 2);
+    }
+}
diff --git a/tests/target/let_else.rs b/tests/target/let_else.rs
index f6560e85462..528d2929734 100644
--- a/tests/target/let_else.rs
+++ b/tests/target/let_else.rs
@@ -180,8 +180,8 @@ fn unbreakable_initializer_expr_pre_formatting_length_through_initializer_expr_n
     // Break after the `=` and put the initializer expr on it's own line.
     // Because the initializer expr is multi-lined the else is placed on it's own line.
     // The initializer expr has a length of 91, which when indented on the next line
-    // The `(indent)init` line has a lengh of 99. This is the max length that the `init` can be
-    // before we start running into max_width issues. I suspect this is becuase the shape is
+    // The `(indent)init` line has a length of 99. This is the max length that the `init` can be
+    // before we start running into max_width issues. I suspect this is because the shape is
     // accounting for the `;` at the end of the `let-else` statement.
     let Some(x) =
         some_really_really_really_really_really_really_really_really_really_really_long_name______I
@@ -194,7 +194,7 @@ fn unbreakable_initializer_expr_pre_formatting_length_through_initializer_expr_n
     // Post Formatting:
     // Max length issues prevent us from formatting.
     // The initializer expr has a length of 92, which if it would be indented on the next line
-    // the `(indent)init` line has a lengh of 100 which == max_width of 100.
+    // the `(indent)init` line has a length of 100 which == max_width of 100.
     // One might expect formatting to succeed, but I suspect the reason we hit max_width issues is
     // because the Shape is accounting for the `;` at the end of the `let-else` statement.
     let Some(x) = some_really_really_really_really_really_really_really_really_really_really_really_long_nameJ else {return};
diff --git a/tests/target/no_arg_with_commnet.rs b/tests/target/no_arg_with_commnet.rs
index 69f61b60f29..21802d87f47 100644
--- a/tests/target/no_arg_with_commnet.rs
+++ b/tests/target/no_arg_with_commnet.rs
@@ -1 +1 @@
-fn foo(/* cooment */) {}
+fn foo(/* comment */) {}