diff --git a/src/test/rustdoc-json/emoji.rs b/src/test/rustdoc-json/emoji.rs
new file mode 100644
index 0000000000000..727045ef8bbcf
--- /dev/null
+++ b/src/test/rustdoc-json/emoji.rs
@@ -0,0 +1,6 @@
+//! 🦀
+
+// edition:2018
+// compile-flags: --crate-version 1.0.0
+
+// @is emoji.json "$.crate_version" '"1.0.0"'