1 files changed, 14 insertions, 0 deletions
diff --git a/src/tools/rustfmt/tests/target/multiline_string_in_macro_def.rs b/src/tools/rustfmt/tests/target/multiline_string_in_macro_def.rs
new file mode 100644
index 000000000..dafc738f8
--- /dev/null
+++ b/src/tools/rustfmt/tests/target/multiline_string_in_macro_def.rs
@@ -0,0 +1,14 @@
+macro_rules! assert_approx_eq {
+    ($a:expr, $b:expr, $eps:expr) => {{
+        let (a, b) = (&$a, &$b);
+        assert!(
+            (*a - *b).abs() < $eps,
+            "assertion failed: `(left !== right)` \
+             (left: `{:?}`, right: `{:?}`, expect diff: `{:?}`, real diff: `{:?}`)",
+            *a,
+            *b,
+            $eps,
+            (*a - *b).abs()
+        );
+    }};
+}