lldb/unittests/Utility/ChecksumTest.cpp

   1 //===-- ChecksumTest.cpp --------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "gtest/gtest.h"
  10
  11 #include "lldb/Utility/Checksum.h"
  12
  13 using namespace lldb_private;
  14
  15 static llvm::MD5::MD5Result hash1 = {
  16     {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}};
  17
  18 static llvm::MD5::MD5Result hash2 = {
  19     {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}};
  20
  21 static llvm::MD5::MD5Result hash3 = {
  22     {8, 9, 10, 11, 12, 13, 14, 15, 0, 1, 2, 3, 4, 5, 6, 7}};
  23
  24 TEST(ChecksumTest, TestConstructor) {
  25   Checksum checksum1;
  26   EXPECT_FALSE(static_cast<bool>(checksum1));
  27   EXPECT_EQ(checksum1, Checksum());
  28
  29   Checksum checksum2 = Checksum(hash1);
  30   EXPECT_EQ(checksum2, Checksum(hash1));
  31
  32   Checksum checksum3(checksum2);
  33   EXPECT_EQ(checksum3, Checksum(hash1));
  34 }
  35
  36 TEST(ChecksumTest, TestCopyConstructor) {
  37   Checksum checksum1;
  38   EXPECT_FALSE(static_cast<bool>(checksum1));
  39   EXPECT_EQ(checksum1, Checksum());
  40
  41   Checksum checksum2 = checksum1;
  42   EXPECT_EQ(checksum2, checksum1);
  43
  44   Checksum checksum3(checksum1);
  45   EXPECT_EQ(checksum3, checksum1);
  46 }
  47
  48 TEST(ChecksumTest, TestMD5) {
  49   Checksum checksum1(hash1);
  50   EXPECT_TRUE(static_cast<bool>(checksum1));
  51
  52   // Make sure two checksums with the same underlying hashes are the same.
  53   EXPECT_EQ(Checksum(hash1), Checksum(hash2));
  54
  55   // Make sure two checksums with different underlying hashes are different.
  56   EXPECT_NE(Checksum(hash1), Checksum(hash3));
  57 }