Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833

external/llvm/unittests/Support/MD5Test.cpp

@@ -0,0 +1,72 @@
+//===- llvm/unittest/Support/MD5Test.cpp - MD5 tests ----------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements unit tests for the MD5 functions.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Support/MD5.h"
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/SmallString.h"
+#include "gtest/gtest.h"
+
+using namespace llvm;
+
+namespace {
+/// \brief Tests an arbitrary set of bytes passed as \p Input.
+void TestMD5Sum(ArrayRef<uint8_t> Input, StringRef Final) {
+  MD5 Hash;
+  Hash.update(Input);
+  MD5::MD5Result MD5Res;
+  Hash.final(MD5Res);
+  SmallString<32> Res;
+  MD5::stringifyResult(MD5Res, Res);
+  EXPECT_EQ(Res, Final);
+}
+
+void TestMD5Sum(StringRef Input, StringRef Final) {
+  MD5 Hash;
+  Hash.update(Input);
+  MD5::MD5Result MD5Res;
+  Hash.final(MD5Res);
+  SmallString<32> Res;
+  MD5::stringifyResult(MD5Res, Res);
+  EXPECT_EQ(Res, Final);
+}
+
+TEST(MD5Test, MD5) {
+  TestMD5Sum(makeArrayRef((const uint8_t *)"", (size_t) 0),
+             "d41d8cd98f00b204e9800998ecf8427e");
+  TestMD5Sum(makeArrayRef((const uint8_t *)"a", (size_t) 1),
+             "0cc175b9c0f1b6a831c399e269772661");
+  TestMD5Sum(makeArrayRef((const uint8_t *)"abcdefghijklmnopqrstuvwxyz",
+                          (size_t) 26),
+             "c3fcd3d76192e4007dfb496cca67e13b");
+  TestMD5Sum(makeArrayRef((const uint8_t *)"\0", (size_t) 1),
+             "93b885adfe0da089cdf634904fd59f71");
+  TestMD5Sum(makeArrayRef((const uint8_t *)"a\0", (size_t) 2),
+             "4144e195f46de78a3623da7364d04f11");
+  TestMD5Sum(makeArrayRef((const uint8_t *)"abcdefghijklmnopqrstuvwxyz\0",
+                          (size_t) 27),
+             "81948d1f1554f58cd1a56ebb01f808cb");
+  TestMD5Sum("abcdefghijklmnopqrstuvwxyz", "c3fcd3d76192e4007dfb496cca67e13b");
+}
+
+TEST(MD5HashTest, MD5) {
+  ArrayRef<uint8_t> Input((const uint8_t *)"abcdefghijklmnopqrstuvwxyz", 26);
+  std::array<uint8_t, 16> Vec = MD5::hash(Input);
+  MD5::MD5Result MD5Res;
+  SmallString<32> Res;
+  memcpy(MD5Res.Bytes.data(), Vec.data(), Vec.size());
+  MD5::stringifyResult(MD5Res, Res);
+  EXPECT_EQ(Res, "c3fcd3d76192e4007dfb496cca67e13b");
+  EXPECT_EQ(0x3be167ca6c49fb7dULL, MD5Res.high());
+  EXPECT_EQ(0x00e49261d7d3fcc3ULL, MD5Res.low());
+}
+}