test: code coverage for list-languages parameter

CHANGELOG.md

@@ -47,6 +47,7 @@
 - Added auto detect syntax for `.jsonc` #2795 (@mxaddict)
 - Added auto detect syntax for `.aws/{config,credentials}` #2795 (@mxaddict)
 - Add syntax mapping for Wireguard config #2874 (@cyqsimon)
+- Improve code coverage of `--list-languages` parameter #2942 (@sblondon)
 
 ## Themes
 

tests/integration_tests.rs

@@ -307,6 +307,15 @@ fn list_themes_without_colors() {
         .stdout(predicate::str::contains(default_theme_chunk).normalize());
 }
 
+#[test]
+fn list_languages() {
+    bat()
+        .arg("--list-languages")
+        .assert()
+        .success()
+        .stdout(predicate::str::contains("Rust").normalize());
+}
+
 #[test]
 #[cfg_attr(any(not(feature = "git"), target_os = "windows"), ignore)]
 fn short_help() {