5 files changed, 54 insertions, 0 deletions
diff --git a/src/tools/rustfmt/tests/target/issue-1210/a.rs b/src/tools/rustfmt/tests/target/issue-1210/a.rs
new file mode 100644
index 000000000..94c1b44e5
--- /dev/null
+++ b/src/tools/rustfmt/tests/target/issue-1210/a.rs
@@ -0,0 +1,16 @@
+// rustfmt-format_strings: true
+// rustfmt-max_width: 50
+
+impl Foo {
+    fn cxx(&self, target: &str) -> &Path {
+        match self.cxx.get(target) {
+            Some(p) => p.path(),
+            None => panic!(
+                "\n\ntarget `{}` is not \
+                 configured as a host,
+                            only as a target\n\n",
+                target
+            ),
+        }
+    }
+}
diff --git a/src/tools/rustfmt/tests/target/issue-1210/b.rs b/src/tools/rustfmt/tests/target/issue-1210/b.rs
new file mode 100644
index 000000000..a7b1e3bcd
--- /dev/null
+++ b/src/tools/rustfmt/tests/target/issue-1210/b.rs
@@ -0,0 +1,16 @@
+// rustfmt-format_strings: true
+// rustfmt-max_width: 50
+
+impl Foo {
+    fn cxx(&self, target: &str) -> &Path {
+        match self.cxx.get(target) {
+            Some(p) => p.path(),
+            None => panic!(
+                "\ntarget `{}`: is not, \
+                 configured as a host,
+                            only as a target\n\n",
+                target
+            ),
+        }
+    }
+}
diff --git a/src/tools/rustfmt/tests/target/issue-1210/c.rs b/src/tools/rustfmt/tests/target/issue-1210/c.rs
new file mode 100644
index 000000000..183d79f92
--- /dev/null
+++ b/src/tools/rustfmt/tests/target/issue-1210/c.rs
@@ -0,0 +1,7 @@
+// rustfmt-format_strings: true
+// rustfmt-max_width: 50
+
+const foo: String =
+    "trailing_spaces!!            
+                keep them! Amet neque. Praesent \
+     rhoncus eros non velit.";
diff --git a/src/tools/rustfmt/tests/target/issue-1210/d.rs b/src/tools/rustfmt/tests/target/issue-1210/d.rs
new file mode 100644
index 000000000..9279e6fc9
--- /dev/null
+++ b/src/tools/rustfmt/tests/target/issue-1210/d.rs
@@ -0,0 +1,4 @@
+// rustfmt-wrap_comments: true
+
+// trailing_spaces_in_comment!!
+//                remove those from above
diff --git a/src/tools/rustfmt/tests/target/issue-1210/e.rs b/src/tools/rustfmt/tests/target/issue-1210/e.rs
new file mode 100644
index 000000000..55f80c6c3
--- /dev/null
+++ b/src/tools/rustfmt/tests/target/issue-1210/e.rs
@@ -0,0 +1,11 @@
+// rustfmt-format_strings: true
+// rustfmt-max_width: 50
+
+// explicit line breaks should be kept in order to preserve the layout
+
+const foo: String =
+    "Suspendisse vel augue at felis tincidunt \
+     sollicitudin. Fusce arcu.
+               Duis et odio et leo
+        sollicitudin consequat. Aliquam \
+     lobortis.  Phasellus condimentum.";