unittests/Support/CRCTest.cpp

   1 //===- llvm/unittest/Support/CRCTest.cpp - CRC tests ----------------------===//
   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 // This file implements unit tests for CRC calculation functions.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "llvm/Support/CRC.h"
  14 #include "gtest/gtest.h"
  15
  16 using namespace llvm;
  17
  18 namespace {
  19
  20 TEST(CRCTest, CRC32) {
  21   EXPECT_EQ(0x414FA339U,
  22             llvm::crc32(
  23                 0, StringRef("The quick brown fox jumps over the lazy dog")));
  24   // CRC-32/ISO-HDLC test vector
  25   // http://reveng.sourceforge.net/crc-catalogue/17plus.htm#crc.cat.crc-32c
  26   EXPECT_EQ(0xCBF43926U, llvm::crc32(0, StringRef("123456789")));
  27 }
  28
  29 } // end anonymous namespace