2 files changed, 14 insertions, 0 deletions
diff --git a/src/tools/rustfmt/tests/coverage/source/comments.rs b/src/tools/rustfmt/tests/coverage/source/comments.rs
new file mode 100644
index 000000000..10940039e
--- /dev/null
+++ b/src/tools/rustfmt/tests/coverage/source/comments.rs
@@ -0,0 +1,7 @@
+// rustfmt-emit_mode: coverage
+/// Here's a doc comment!
+fn main() {
+    // foo is bar
+    let foo = "bar";
+    // loooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooong comment!!!!!
+}
diff --git a/src/tools/rustfmt/tests/coverage/target/comments.rs b/src/tools/rustfmt/tests/coverage/target/comments.rs
new file mode 100644
index 000000000..95e7b4705
--- /dev/null
+++ b/src/tools/rustfmt/tests/coverage/target/comments.rs
@@ -0,0 +1,7 @@
+XX XXXXXXXXXXXXXXXXXX XXXXXXXX
+/// Here's a doc comment!
+fn main() {
+    XX XXX XX XXX
+    let foo = "bar";
+    XX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXX
+}