diff --git a/.gitignore b/.gitignore
index c4dc3b99..19007ca6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,6 +29,7 @@ build/Release
 # Dependency directories
 node_modules
 jspm_packages
+.idea
 
 # Optional npm cache directory
 .npm
diff --git a/src/js/tests/language_data/bengali.json b/src/js/tests/language_data/bengali.json
new file mode 100644
index 00000000..a12afe85
--- /dev/null
+++ b/src/js/tests/language_data/bengali.json
@@ -0,0 +1,16 @@
+{
+
+  "native_name"  : "বাংলা",
+  "english_name" : "Bengali",
+
+  "cases" : [
+    "সংখ্যা_১০_দিয়ে_শেষ_হয়",
+    "মাঝখানে_সংখ্যা_১০",
+    "সংখ্যা_১০_দিয়ে_শুরু_হয়",
+
+    "সব_বর্ণমালা_অআইঈউঊঋঌএঐওঔকখগঘঙচছজঝঞটঠডঢণতথদধনপফবভমযরলশষসহড়ঢ়য়ৎংঁ",
+    "উচ্চারণ_ািীুূৃৄেৈোৌ্",
+    "সাধারণ_চিহ্ন_।!@#$^&*()?.,=+#"
+  ]
+
+}
\ No newline at end of file