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diff --git a/src/test/CppTests/TrailingReturns.test.ts b/src/test/CppTests/TrailingReturns.test.ts
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+++ b/src/test/CppTests/TrailingReturns.test.ts
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+//
+// Note: This example test is leveraging the Mocha test framework.
+// Please refer to their documentation on https://mochajs.org/ for help.
+//
+
+// The module 'assert' provides assertion methods from node
+import * as assert from "assert";
+
+// You can import and use all API from the 'vscode' module
+// as well as import your extension to test it
+import * as vscode from "vscode";
+import TestSetup from "./TestSetup";
+
+// Defines a Mocha test suite to group tests of similar kind together
+suite("C++ - Trailing returns tests", () => {
+    const testSetup: TestSetup = new TestSetup("void foo();");
+
+    // tests
+    test("Trailing return", () => {
+        const result = testSetup.SetLine("auto foo() -> int;").GetResult();
+        assert.equal("/**\n * @brief \n * \n * @return int \n */", result);
+    });
+
+    test("Trailing return with decltype", () => {
+        const result = testSetup.SetLine("auto foo(int a, double b) -> decltype(a + b);").GetResult();
+        assert.equal("/**\n * @brief \n * \n * @param a \n * @param b \n * @return decltype(a + b) \n */", result);
+    });
+
+    test("Multiple trailing returns", () => {
+        const result = testSetup.SetLine("auto foo() -> auto(*)() -> tmp<int>(*)();").GetResult();
+        assert.equal("/**\n * @brief \n * \n * @return auto(*)() -> tmp<int>(*)() \n */", result);
+    });
+
+    test("Trailing return with keywords", () => {
+        const result = testSetup.SetLine("auto foo(const int& a, const double* b) const noexcept -> const double&;")
+            .GetResult();
+        assert.equal("/**\n * @brief \n * \n * @param a \n * @param b \n * @return const double& \n */", result);
+    });
+});