diff --git a/tests/fixtures/languages/javascript/test.js b/tests/fixtures/languages/javascript/test.js
new file mode 100644
index 000000000..ad2a04940
--- /dev/null
+++ b/tests/fixtures/languages/javascript/test.js
@@ -0,0 +1,26 @@
+// Class definition
+class Person {
+    constructor(name) {
+        this.name = name;
+    }
+
+    sayHello() {
+        return `Hello, ${this.name}!`;
+    }
+}
+
+// Function declaration
+function greet(person) {
+    return person.sayHello();
+}
+
+// Variables and constants
+const DEFAULT_NAME = 'World';
+let currentPerson = new Person(DEFAULT_NAME);
+
+// Export for use in other modules
+module.exports = {
+    Person,
+    greet,
+    DEFAULT_NAME
+};
diff --git a/tests/fixtures/languages/ocaml/test.ml b/tests/fixtures/languages/ocaml/test.ml
new file mode 100644
index 000000000..47cb79c15
--- /dev/null
+++ b/tests/fixtures/languages/ocaml/test.ml
@@ -0,0 +1,19 @@
+(* Module definition *)
+module Greeter = struct
+  type person = {
+    name: string;
+    age: int
+  }
+
+  let create_person name age =
+    {name; age}
+
+  let greet person =
+    Printf.printf "Hello, %s! You are %d years old.\n"
+      person.name person.age
+end
+
+(* Outside the module *)
+let () =
+  let person = Greeter.create_person "Alice" 30 in
+  Greeter.greet person
diff --git a/tests/fixtures/languages/php/test.php b/tests/fixtures/languages/php/test.php
new file mode 100644
index 000000000..d454bf82b
--- /dev/null
+++ b/tests/fixtures/languages/php/test.php
@@ -0,0 +1,5 @@
+<?php
+function greet($name) {
+    echo "Hello, $name!";
+}
+?>
diff --git a/tests/fixtures/languages/ql/test.ql b/tests/fixtures/languages/ql/test.ql
new file mode 100644
index 000000000..4ecc0c055
--- /dev/null
+++ b/tests/fixtures/languages/ql/test.ql
@@ -0,0 +1,3 @@
+predicate greet(string name) {
+  name = "World"
+}
diff --git a/tests/fixtures/languages/ruby/test.rb b/tests/fixtures/languages/ruby/test.rb
new file mode 100644
index 000000000..d63f13b6c
--- /dev/null
+++ b/tests/fixtures/languages/ruby/test.rb
@@ -0,0 +1,3 @@
+def greet(name)
+  puts "Hello, #{name}!"
+end
diff --git a/tests/fixtures/languages/rust/test.rs b/tests/fixtures/languages/rust/test.rs
new file mode 100644
index 000000000..1bcc3ae85
--- /dev/null
+++ b/tests/fixtures/languages/rust/test.rs
@@ -0,0 +1,33 @@
+// Define a trait
+trait Greeting {
+    fn greet(&self) -> String;
+}
+
+// Define a struct
+struct Person {
+    name: String,
+    age: u32,
+}
+
+// Implement the trait for Person
+impl Greeting for Person {
+    fn greet(&self) -> String {
+        format!("Hello, {}! You are {} years old.", self.name, self.age)
+    }
+}
+
+// Implementation block for Person
+impl Person {
+    fn new(name: String, age: u32) -> Self {
+        Person { name, age }
+    }
+}
+
+// Constants
+const DEFAULT_NAME: &str = "World";
+const MAX_AGE: u32 = 150;
+
+fn main() {
+    let person = Person::new(DEFAULT_NAME.to_string(), 30);
+    println!("{}", person.greet());
+}