TestSafebrowsingHash.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "mozilla/EndianUtils.h"

#include "Common.h"

TEST(UrlClassifierHash, ToFromUint32)

  using namespace mozilla::safebrowsing;

  // typedef SafebrowsingHash<PREFIX_SIZE, PrefixComparator> Prefix;

  // typedef nsTArray<Prefix> PrefixArray;

  const char PREFIX_RAW[4] = {0x1, 0x2, 0x3, 0x4};

  uint32_t PREFIX_UINT32;

  memcpy(&PREFIX_UINT32, PREFIX_RAW, 4);

  Prefix p;

  p.Assign(nsCString(PREFIX_RAW, 4));

  ASSERT_EQ(p.ToUint32(), PREFIX_UINT32);

  p.FromUint32(PREFIX_UINT32);

  ASSERT_EQ(memcmp(PREFIX_RAW, p.buf, 4), 0);

TEST(UrlClassifierHash, Compare)

  using namespace mozilla;

  using namespace mozilla::safebrowsing;

  Prefix p1, p2, p3;

  // The order of p1,p2,p3 is "p1 == p3 < p2"

#if MOZ_LITTLE_ENDIAN()

  p1.Assign(nsCString("\x01\x00\x00\x00", 4));

  p2.Assign(nsCString("\x00\x00\x00\x01", 4));

  p3.Assign(nsCString("\x01\x00\x00\x00", 4));

#else

  p1.Assign(nsCString("\x00\x00\x00\x01", 4));

  p2.Assign(nsCString("\x01\x00\x00\x00", 4));

  p3.Assign(nsCString("\x00\x00\x00\x01", 4));

#endif

  // Make sure "p1 == p3 < p2" is true

  // on both little and big endian machine.

  ASSERT_EQ(p1.Compare(p2), -1);

  ASSERT_EQ(p1.Compare(p1), 0);

  ASSERT_EQ(p2.Compare(p1), 1);

  ASSERT_EQ(p1.Compare(p3), 0);

  ASSERT_TRUE(p1 < p2);

  ASSERT_TRUE(p1 == p1);

  ASSERT_TRUE(p1 == p3);