From 007314c530eb12d414ced07515f8cbc25a0f64f5 Mon Sep 17 00:00:00 2001
From: Jack Lloyd <jack@randombit.net>
Date: Wed, 28 Nov 2018 10:35:17 -0500
Subject: Add CT::Mask type

---
 src/tests/test_utils.cpp | 73 ++++++++++++++++++++++++++----------------------
 1 file changed, 39 insertions(+), 34 deletions(-)

(limited to 'src/tests/test_utils.cpp')

diff --git a/src/tests/test_utils.cpp b/src/tests/test_utils.cpp
index 7bbe3745c..f1c6bef43 100644
--- a/src/tests/test_utils.cpp
+++ b/src/tests/test_utils.cpp
@@ -79,44 +79,10 @@ class Utility_Function_Tests final : public Text_Based_Test
          std::vector<Test::Result> results;
 
          results.push_back(test_loadstore());
-         results.push_back(test_ct_utils());
 
          return results;
          }
 
-      Test::Result test_ct_utils()
-         {
-         Test::Result result("CT utils");
-
-         result.test_eq_sz("CT::is_zero8", Botan::CT::is_zero<uint8_t>(0), 0xFF);
-         result.test_eq_sz("CT::is_zero8", Botan::CT::is_zero<uint8_t>(1), 0x00);
-         result.test_eq_sz("CT::is_zero8", Botan::CT::is_zero<uint8_t>(0xFF), 0x00);
-
-         result.test_eq_sz("CT::is_zero16", Botan::CT::is_zero<uint16_t>(0), 0xFFFF);
-         result.test_eq_sz("CT::is_zero16", Botan::CT::is_zero<uint16_t>(1), 0x0000);
-         result.test_eq_sz("CT::is_zero16", Botan::CT::is_zero<uint16_t>(0xFF), 0x0000);
-
-         result.test_eq_sz("CT::is_zero32", Botan::CT::is_zero<uint32_t>(0), 0xFFFFFFFF);
-         result.test_eq_sz("CT::is_zero32", Botan::CT::is_zero<uint32_t>(1), 0x00000000);
-         result.test_eq_sz("CT::is_zero32", Botan::CT::is_zero<uint32_t>(0xFF), 0x00000000);
-
-         result.test_eq_sz("CT::is_less8", Botan::CT::is_less<uint8_t>(0, 1), 0xFF);
-         result.test_eq_sz("CT::is_less8", Botan::CT::is_less<uint8_t>(1, 0), 0x00);
-         result.test_eq_sz("CT::is_less8", Botan::CT::is_less<uint8_t>(0xFF, 5), 0x00);
-
-         result.test_eq_sz("CT::is_less16", Botan::CT::is_less<uint16_t>(0, 1), 0xFFFF);
-         result.test_eq_sz("CT::is_less16", Botan::CT::is_less<uint16_t>(1, 0), 0x0000);
-         result.test_eq_sz("CT::is_less16", Botan::CT::is_less<uint16_t>(0xFFFF, 5), 0x0000);
-
-         result.test_eq_sz("CT::is_less32", Botan::CT::is_less<uint32_t>(0, 1), 0xFFFFFFFF);
-         result.test_eq_sz("CT::is_less32", Botan::CT::is_less<uint32_t>(1, 0), 0x00000000);
-         result.test_eq_sz("CT::is_less32", Botan::CT::is_less<uint32_t>(0xFFFF5, 5), 0x00000000);
-         result.test_eq_sz("CT::is_less32", Botan::CT::is_less<uint32_t>(0xFFFFFFFF, 5), 0x00000000);
-         result.test_eq_sz("CT::is_less32", Botan::CT::is_less<uint32_t>(5, 0xFFFFFFFF), 0xFFFFFFFF);
-
-         return result;
-         }
-
       Test::Result test_loadstore()
          {
          Test::Result result("Util load/store");
@@ -227,6 +193,45 @@ class Utility_Function_Tests final : public Text_Based_Test
 
 BOTAN_REGISTER_TEST("util", Utility_Function_Tests);
 
+class CT_Mask_Tests final : public Test
+   {
+   public:
+      std::vector<Test::Result> run() override
+         {
+         Test::Result result("CT utils");
+
+         result.test_eq_sz("CT::is_zero8", Botan::CT::Mask<uint8_t>::is_zero(0).value(), 0xFF);
+         result.test_eq_sz("CT::is_zero8", Botan::CT::Mask<uint8_t>::is_zero(1).value(), 0x00);
+         result.test_eq_sz("CT::is_zero8", Botan::CT::Mask<uint8_t>::is_zero(0xFF).value(), 0x00);
+
+         result.test_eq_sz("CT::is_zero16", Botan::CT::Mask<uint16_t>::is_zero(0).value(), 0xFFFF);
+         result.test_eq_sz("CT::is_zero16", Botan::CT::Mask<uint16_t>::is_zero(1).value(), 0x0000);
+         result.test_eq_sz("CT::is_zero16", Botan::CT::Mask<uint16_t>::is_zero(0xFF).value(), 0x0000);
+
+         result.test_eq_sz("CT::is_zero32", Botan::CT::Mask<uint32_t>::is_zero(0).value(), 0xFFFFFFFF);
+         result.test_eq_sz("CT::is_zero32", Botan::CT::Mask<uint32_t>::is_zero(1).value(), 0x00000000);
+         result.test_eq_sz("CT::is_zero32", Botan::CT::Mask<uint32_t>::is_zero(0xFF).value(), 0x00000000);
+
+         result.test_eq_sz("CT::is_less8", Botan::CT::Mask<uint8_t>::is_lt(0, 1).value(), 0xFF);
+         result.test_eq_sz("CT::is_less8", Botan::CT::Mask<uint8_t>::is_lt(1, 0).value(), 0x00);
+         result.test_eq_sz("CT::is_less8", Botan::CT::Mask<uint8_t>::is_lt(0xFF, 5).value(), 0x00);
+
+         result.test_eq_sz("CT::is_less16", Botan::CT::Mask<uint16_t>::is_lt(0, 1).value(), 0xFFFF);
+         result.test_eq_sz("CT::is_less16", Botan::CT::Mask<uint16_t>::is_lt(1, 0).value(), 0x0000);
+         result.test_eq_sz("CT::is_less16", Botan::CT::Mask<uint16_t>::is_lt(0xFFFF, 5).value(), 0x0000);
+
+         result.test_eq_sz("CT::is_less32", Botan::CT::Mask<uint32_t>::is_lt(0, 1).value(), 0xFFFFFFFF);
+         result.test_eq_sz("CT::is_less32", Botan::CT::Mask<uint32_t>::is_lt(1, 0).value(), 0x00000000);
+         result.test_eq_sz("CT::is_less32", Botan::CT::Mask<uint32_t>::is_lt(0xFFFF5, 5).value(), 0x00000000);
+         result.test_eq_sz("CT::is_less32", Botan::CT::Mask<uint32_t>::is_lt(0xFFFFFFFF, 5).value(), 0x00000000);
+         result.test_eq_sz("CT::is_less32", Botan::CT::Mask<uint32_t>::is_lt(5, 0xFFFFFFFF).value(), 0xFFFFFFFF);
+
+         return {result};
+         }
+   };
+
+BOTAN_REGISTER_TEST("ct_utils", CT_Mask_Tests);
+
 #if defined(BOTAN_HAS_POLY_DBL)
 
 class Poly_Double_Tests final : public Text_Based_Test
-- 
cgit v1.2.3