1 files changed, 252 insertions, 0 deletions
diff --git a/src/tools/rustfmt/tests/target/impls.rs b/src/tools/rustfmt/tests/target/impls.rs
new file mode 100644
index 000000000..99e02990e
--- /dev/null
+++ b/src/tools/rustfmt/tests/target/impls.rs
@@ -0,0 +1,252 @@
+// rustfmt-normalize_comments: true
+impl Foo for Bar {
+    fn foo() {
+        "hi"
+    }
+}
+
+pub impl Foo for Bar {
+    // Associated Constants
+    const Baz: i32 = 16;
+    // Associated Types
+    type FooBar = usize;
+    // Comment 1
+    fn foo() {
+        "hi"
+    }
+    // Comment 2
+    fn foo() {
+        "hi"
+    }
+    // Comment 3
+}
+
+#[inherent]
+impl Visible for Bar {
+    pub const C: i32;
+    pub type T;
+    pub fn f();
+    pub fn g() {}
+}
+
+pub unsafe impl<'a, 'b, X, Y: Foo<Bar>> !Foo<'a, X> for Bar<'b, Y>
+where
+    X: Foo<'a, Z>,
+{
+    fn foo() {
+        "hi"
+    }
+}
+
+impl<'a, 'b, X, Y: Foo<Bar>> Foo<'a, X> for Bar<'b, Y>
+where
+    X: Fooooooooooooooooooooooooooooo<'a, Z>,
+{
+    fn foo() {
+        "hi"
+    }
+}
+
+impl<'a, 'b, X, Y: Foo<Bar>> Foo<'a, X> for Bar<'b, Y>
+where
+    X: Foooooooooooooooooooooooooooo<'a, Z>,
+{
+    fn foo() {
+        "hi"
+    }
+}
+
+impl<T> Foo for Bar<T> where T: Baz {}
+
+impl<T> Foo for Bar<T>
+where
+    T: Baz,
+{
+    // Comment
+}
+
+impl Foo {
+    fn foo() {}
+}
+
+impl Boo {
+    // BOO
+    fn boo() {}
+    // FOO
+}
+
+mod a {
+    impl Foo {
+        // Hello!
+        fn foo() {}
+    }
+}
+
+mod b {
+    mod a {
+        impl Foo {
+            fn foo() {}
+        }
+    }
+}
+
+impl Foo {
+    add_fun!();
+}
+
+impl Blah {
+    fn boop() {}
+    add_fun!();
+}
+
+impl X {
+    fn do_parse(mut self: X) {}
+}
+
+impl Y5000 {
+    fn bar(self: X<'a, 'b>, y: Y) {}
+
+    fn bad(&self, (x, y): CoorT) {}
+
+    fn turbo_bad(self: X<'a, 'b>, (x, y): CoorT) {}
+}
+
+pub impl<T> Foo for Bar<T>
+where
+    T: Foo,
+{
+    fn foo() {
+        "hi"
+    }
+}
+
+pub impl<T, Z> Foo for Bar<T, Z>
+where
+    T: Foo,
+    Z: Baz,
+{
+}
+
+mod m {
+    impl<T> PartialEq for S<T>
+    where
+        T: PartialEq,
+    {
+        fn eq(&self, other: &Self) {
+            true
+        }
+    }
+
+    impl<T> PartialEq for S<T> where T: PartialEq {}
+}
+
+impl<BorrowType, K, V, NodeType, HandleType>
+    Handle<NodeRef<BorrowType, K, V, NodeType>, HandleType>
+{
+}
+
+impl<BorrowType, K, V, NodeType, HandleType> PartialEq
+    for Handle<NodeRef<BorrowType, K, V, NodeType>, HandleType>
+{
+}
+
+mod x {
+    impl<A, B, C, D> Foo
+    where
+        A: 'static,
+        B: 'static,
+        C: 'static,
+        D: 'static,
+    {
+    }
+}
+
+impl<ConcreteThreadSafeLayoutNode: ThreadSafeLayoutNodeFoo>
+    Issue1249<ConcreteThreadSafeLayoutNode>
+{
+    // Creates a new flow constructor.
+    fn foo() {}
+}
+
+// #1600
+impl<#[may_dangle] K, #[may_dangle] V> Drop for RawTable<K, V> {
+    fn drop() {}
+}
+
+// #1168
+pub trait Number:
+    Copy
+    + Eq
+    + Not<Output = Self>
+    + Shl<u8, Output = Self>
+    + Shr<u8, Output = Self>
+    + BitAnd<Self, Output = Self>
+    + BitOr<Self, Output = Self>
+    + BitAndAssign
+    + BitOrAssign
+{
+    // test
+    fn zero() -> Self;
+}
+
+// #1642
+pub trait SomeTrait:
+    Clone
+    + Eq
+    + PartialEq
+    + Ord
+    + PartialOrd
+    + Default
+    + Hash
+    + Debug
+    + Display
+    + Write
+    + Read
+    + FromStr
+{
+    // comment
+}
+
+// #1995
+impl Foo {
+    fn f(
+        S {
+            aaaaaaaaaa: aaaaaaaaaa,
+            bbbbbbbbbb: bbbbbbbbbb,
+            cccccccccc: cccccccccc,
+        }: S,
+    ) -> u32 {
+        1
+    }
+}
+
+// #2491
+impl<'a, 'b, 'c> SomeThing<Something>
+    for (
+        &'a mut SomethingLong,
+        &'b mut SomethingLong,
+        &'c mut SomethingLong,
+    )
+{
+    fn foo() {}
+}
+
+// #2746
+impl<'seq1, 'seq2, 'body, 'scope, Channel>
+    Adc12<
+        Dual,
+        MasterRunningDma<'seq1, 'body, 'scope, Channel>,
+        SlaveRunningDma<'seq2, 'body, 'scope>,
+    >
+where
+    Channel: DmaChannel,
+{
+}
+
+// #4084
+impl const std::default::Default for Struct {
+    #[inline]
+    fn default() -> Self {
+        Self { f: 12.5 }
+    }
+}