From 9efe8d1ed5ee210ae644b7118f1d674a2de5f3e8 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sat, 22 Jul 2017 14:16:10 +0200
Subject: Add fast-path SHA256 functions for integral types

---
 tests/sha256/driver.cxx | 37 +++++++++++++++++++++++++------------
 1 file changed, 25 insertions(+), 12 deletions(-)

(limited to 'tests/sha256')

diff --git a/tests/sha256/driver.cxx b/tests/sha256/driver.cxx
index 5686898..2d2f963 100644
--- a/tests/sha256/driver.cxx
+++ b/tests/sha256/driver.cxx
@@ -26,18 +26,31 @@ main ()
   assert (string (sha256 ("123", 3).string ()) ==
           "a665a45920422f9d417e4867efdc4fb8a04a1f3fff1fa07e998e86f7f7a27ae3");
 
-  sha256 h;
-  h.append ("1");
-  h.append (string ("2"));
-  h.append ("3", 1);
-
-  auto& b (h.binary ());
-  assert (b[0] == 0x20 && b[31] == 0x9d);
-
-  string s (h.string ());
-  assert (s ==
-          "204d9db65789fbede7829ed77f72ba1f0fe21a833d95abad4849b82f33a69b9d");
-
+  {
+    sha256 h;
+    h.append ("1");
+    h.append (string ("2"));
+    h.append ("3", 1);
+
+    auto& b (h.binary ());
+    assert (b[0] == 0x20 && b[31] == 0x9d);
+
+    string s (h.string ());
+    assert (s ==
+            "204d9db65789fbede7829ed77f72ba1f0fe21a833d95abad4849b82f33a69b9d");
+  }
+
+  // Test fast path.
+  //
+  {
+    char c ('X');
+    sha256 h;
+    h.append (c);
+    assert (string (h.string ()) == sha256 (&c, 1).string ());
+  }
+
+  //
+  //
   string fp ("F4:9D:C0:02:C6:B6:62:06:A5:48:AE:87:35:32:95:64:C2:B8:C9:6D:9B:"
              "28:85:6D:EF:CA:FA:7F:04:B5:4F:A6");
 
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