From 3ccce07fe399a0de68de033fb041919845d07cc5 Mon Sep 17 00:00:00 2001
From: vvakame <vvakame+dev@gmail.com>
Date: Sun, 19 Jul 2015 17:14:14 +0900
Subject: [PATCH] fix power-assert/power-assert-tests.ts

---
 power-assert/power-assert-tests.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/power-assert/power-assert-tests.ts b/power-assert/power-assert-tests.ts
index f7be7059f0..d21076b973 100644
--- a/power-assert/power-assert-tests.ts
+++ b/power-assert/power-assert-tests.ts
@@ -69,9 +69,9 @@ var customizedAssert2 = assert.customize({
         circular: '#@Circular#',
         lineSeparator: '\n',
         ambiguousEastAsianCharWidth: 2,
-        widthOf: () => null,
-        stringify: () => null,
-        diff: () => null,
+        widthOf: () => false,
+        stringify: () => false,
+        diff: () => false,
         writerClass: null,
         renderers: [
             './built-in/file',