From dd054e67114e7569af88a2aa404c72869f2fe1a6 Mon Sep 17 00:00:00 2001
From: Ron Buckton <ron.buckton@microsoft.com>
Date: Wed, 20 Dec 2017 10:43:20 -0800
Subject: [PATCH] Show diff in baseline failure (temporary)

---
 src/harness/harness.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/harness/harness.ts b/src/harness/harness.ts
index 569ec6ac0d0..535c9e16daa 100644
--- a/src/harness/harness.ts
+++ b/src/harness/harness.ts
@@ -2020,7 +2020,11 @@ namespace Harness {
                 else {
                     IO.writeFile(actualFileName, encodedActual);
                 }
-                throw new Error(`The baseline file ${relativeFileName} has changed.`);
+                throw new _chai.AssertionError(`The baseline file ${relativeFileName} has changed.`, {
+                    expected,
+                    actual,
+                    showDiff: true
+                });
             }
         }