1 files changed, 26 insertions, 0 deletions
diff --git a/tests/ui/proc-macro/subspan.rs b/tests/ui/proc-macro/subspan.rs
new file mode 100644
index 000000000..a4187f9e7
--- /dev/null
+++ b/tests/ui/proc-macro/subspan.rs
@@ -0,0 +1,26 @@
+// aux-build:subspan.rs
+
+extern crate subspan;
+
+use subspan::subspan;
+
+// This one emits no error.
+subspan!("");
+
+// Exactly one 'hi'.
+subspan!("hi"); //~ ERROR found 'hi's
+
+// Now two, back to back.
+subspan!("hihi"); //~ ERROR found 'hi's
+
+// Now three, back to back.
+subspan!("hihihi"); //~ ERROR found 'hi's
+
+// Now several, with spacing.
+subspan!("why I hide? hi!"); //~ ERROR found 'hi's
+subspan!("hey, hi, hidy, hidy, hi hi"); //~ ERROR found 'hi's
+subspan!("this is a hi, and this is another hi"); //~ ERROR found 'hi's
+subspan!("how are you this evening"); //~ ERROR found 'hi's
+subspan!("this is highly eradic"); //~ ERROR found 'hi's
+
+fn main() { }