Add UI test where `annotated_files` count is > 1 #64205

1 files changed, 28 insertions, 0 deletions

diff --git a/src/test/ui/annotate-snippet/multispan.rs b/src/test/ui/annotate-snippet/multispan.rs
new file mode 100644
index 00000000000..325252d7716
--- /dev/null
+++ b/src/test/ui/annotate-snippet/multispan.rs
@@ -0,0 +1,28 @@
+// aux-build:multispan.rs
+// compile-flags: --error-format human-annotate-rs
+
+#![feature(proc_macro_hygiene)]
+
+extern crate multispan;
+
+use multispan::hello;
+
+fn main() {
+    // This one emits no error.
+    hello!();
+
+    // Exactly one 'hi'.
+    hello!(hi); //~ ERROR hello to you, too!
+
+    // Now two, back to back.
+    hello!(hi hi); //~ ERROR hello to you, too!
+
+    // Now three, back to back.
+    hello!(hi hi hi); //~ ERROR hello to you, too!
+
+    // Now several, with spacing.
+    hello!(hi hey hi yo hi beep beep hi hi); //~ ERROR hello to you, too!
+    hello!(hi there, hi how are you? hi... hi.); //~ ERROR hello to you, too!
+    hello!(whoah. hi di hi di ho); //~ ERROR hello to you, too!
+    hello!(hi good hi and good bye); //~ ERROR hello to you, too!
+}