1 files changed, 9 insertions, 0 deletions
diff --git a/tests/icon/reject/unknown_pattern.zc b/tests/icon/reject/unknown_pattern.zc
new file mode 100644
index 0000000..74850c3
--- /dev/null
+++ b/tests/icon/reject/unknown_pattern.zc
@@ -0,0 +1,9 @@
+include rt;
+include run;
+include icon;
+fn main() {
+	let q = run.tokens("return 1;"), pattern = run.tokens("$unknown"), replacement = run.tokens("2");
+	let changed = icon.rewrite(q, pattern, replacement);
+	rt.put_n(changed == 0); rt.put_c(' '); rt.put_n(icon.error()); rt.put_c(10);
+	return 0;
+}