From d904c231b6f5c4a0fd9c086c5e0d9a67e3e62866 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20Bjo=CC=88rklund?= <david.bjorklund@gmail.com>
Date: Thu, 4 Jul 2013 16:22:31 +0200
Subject: [PATCH] crypto: Add test for sha.write(''); sha.end()

---
 test/simple/test-crypto.js | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/test/simple/test-crypto.js b/test/simple/test-crypto.js
index 36f232d678..cfbc5428f4 100644
--- a/test/simple/test-crypto.js
+++ b/test/simple/test-crypto.js
@@ -446,6 +446,15 @@ a6.write('123');
 a6.end();
 a6 = a6.read();
 
+var a7 = crypto.createHash('sha512');
+a7.end();
+a7 = a7.read();
+
+var a8 = crypto.createHash('sha512');
+a8.write('');
+a8.end();
+a8 = a8.read();
+
 assert.equal(a0, '8308651804facb7b9af8ffc53a33a22d6a1c8ac2', 'Test SHA1');
 assert.equal(a1, 'h\u00ea\u00cb\u0097\u00d8o\fF!\u00fa+\u000e\u0017\u00ca' +
              '\u00bd\u008c', 'Test MD5 as binary');
@@ -468,6 +477,8 @@ assert.deepEqual(a4,
 // stream interface should produce the same result.
 assert.deepEqual(a5, a3, 'stream interface is consistent');
 assert.deepEqual(a6, a3, 'stream interface is consistent');
+assert.notEqual(a7, undefined, 'no data should return data');
+assert.notEqual(a8, undefined, 'empty string should generate data');
 
 // Test multiple updates to same hash
 var h1 = crypto.createHash('sha1').update('Test123').digest('hex');