File: ui_string_overrider_unittest.cc

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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/variations/service/ui_string_overrider.h"

#include <stddef.h>
#include <stdint.h>

#include "base/macros.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace chrome_variations {

namespace {

const size_t kNumResources = 4;

const uint32_t kResourceHashes[] = {
    301430091U,  // IDS_BOOKMARKS_NO_ITEMS
    2654138887U,  // IDS_BOOKMARK_BAR_IMPORT_LINK
    2894469061U,  // IDS_BOOKMARK_GROUP_FROM_IE
    3847176170U,  // IDS_BOOKMARK_GROUP_FROM_FIREFOX
};

const int kResourceIndices[] = {
    12500,  // IDS_BOOKMARKS_NO_ITEMS
    12501,  // IDS_BOOKMARK_BAR_IMPORT_LINK
    12502,  // IDS_BOOKMARK_GROUP_FROM_IE
    12503,  // IDS_BOOKMARK_GROUP_FROM_FIREFOX
};

}  // namespace

class UIStringOverriderTest : public ::testing::Test {
 public:
  UIStringOverriderTest()
      : provider_(kResourceHashes, kResourceIndices, kNumResources) {}

  int GetResourceIndex(uint32_t hash) {
    return provider_.GetResourceIndex(hash);
  }

 private:
  variations::UIStringOverrider provider_;

  DISALLOW_COPY_AND_ASSIGN(UIStringOverriderTest);
};

TEST_F(UIStringOverriderTest, LookupNotFound) {
  EXPECT_EQ(-1, GetResourceIndex(0));
  EXPECT_EQ(-1, GetResourceIndex(kResourceHashes[kNumResources - 1] + 1));

  // Lookup a hash that shouldn't exist.
  // 3847176171U is 1 + the hash for IDS_BOOKMARK_GROUP_FROM_FIREFOX.
  EXPECT_EQ(-1, GetResourceIndex(3847176171U));
}

TEST_F(UIStringOverriderTest, LookupFound) {
  for (size_t i = 0; i < kNumResources; ++i)
    EXPECT_EQ(kResourceIndices[i], GetResourceIndex(kResourceHashes[i]));
}

}  // namespace chrome_variations