From 76e721f3898bb03560b0466b765e087ea91f449e Mon Sep 17 00:00:00 2001
From: Daniel Rosenwasser <Daniel.Rosenwasser@microsoft.com>
Date: Thu, 13 Sep 2018 17:53:53 -0700
Subject: [PATCH] Added tests.

---
 .../errorsOnUnionsOfOverlappingObjects01.ts   | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 tests/cases/compiler/errorsOnUnionsOfOverlappingObjects01.ts

diff --git a/tests/cases/compiler/errorsOnUnionsOfOverlappingObjects01.ts b/tests/cases/compiler/errorsOnUnionsOfOverlappingObjects01.ts
new file mode 100644
index 00000000000..aec1821c162
--- /dev/null
+++ b/tests/cases/compiler/errorsOnUnionsOfOverlappingObjects01.ts
@@ -0,0 +1,29 @@
+interface Foo {
+    a: string;
+    b: number;
+};
+
+interface Bar {
+    b: string;
+}
+
+interface Other {
+    totallyUnrelatedProperty: number;
+}
+
+export let x = { a: '', b: '' };
+
+declare function f(x: Foo | Other): any;
+
+f(x);
+f({ a: '', b: '' })
+
+declare function g(x: Bar | Other): any;
+
+g(x);
+g({ a: '', b: '' })
+
+declare function h(x: Foo | Bar | Other): any;
+
+h(x);
+h({ a: '', b: '' })