From 54352dc1c9bbbe528dd6df8295ef2478bc696684 Mon Sep 17 00:00:00 2001
From: Daniel Rosenwasser <Daniel.Rosenwasser@microsoft.com>
Date: Wed, 19 Dec 2018 15:28:21 -0800
Subject: [PATCH] Added test case.

---
 ...DefaultExportClassExtendingExpression01.ts | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 tests/cases/compiler/declarationEmitForDefaultExportClassExtendingExpression01.ts

diff --git a/tests/cases/compiler/declarationEmitForDefaultExportClassExtendingExpression01.ts b/tests/cases/compiler/declarationEmitForDefaultExportClassExtendingExpression01.ts
new file mode 100644
index 00000000000..3c4abc37deb
--- /dev/null
+++ b/tests/cases/compiler/declarationEmitForDefaultExportClassExtendingExpression01.ts
@@ -0,0 +1,21 @@
+// @declaration: true
+
+interface Greeter {
+    getGreeting(): string;
+}
+
+interface GreeterConstructor {
+    new (): Greeter;
+}
+
+class A {
+    getGreeting() {
+        return 'hello';
+    }
+}
+
+const getGreeterBase = (): GreeterConstructor => A;
+
+export default class extends getGreeterBase() {
+}
+