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 */


// Implementation of Win32 metrics aggregator.
#include "aggregator-win32.h"
#include "aggregator-win32_unittest.h"
#include "aggregator_unittest.h"
#include "gtest/gtest.h"

using ::stats_report::MetricsAggregatorWin32;
using ::stats_report::TimingMetric;

#define APP_NAME_STRING L"aggregator-win32_unittest"
#define PREFIX_KEY_STRING L"Software\\Google\\"
#define SUFFIX_KEY_STRING L"\\UsageStats\\Daily"
#define ROOT_KEY_STRING PREFIX_KEY_STRING APP_NAME_STRING
#define KEY_STRING ROOT_KEY_STRING SUFFIX_KEY_STRING

const wchar_t MetricsAggregatorWin32Test::kAppName[] = APP_NAME_STRING;
const wchar_t MetricsAggregatorWin32Test::kRootKeyName[] = ROOT_KEY_STRING;
const wchar_t MetricsAggregatorWin32Test::kCountsKeyName[] =
    KEY_STRING L"\\Counts";
const wchar_t MetricsAggregatorWin32Test::kTimingsKeyName[] =
    KEY_STRING L"\\Timings";
const wchar_t MetricsAggregatorWin32Test::kIntegersKeyName[] =
    KEY_STRING L"\\Integers";
const wchar_t MetricsAggregatorWin32Test::kBoolsKeyName[] =
    KEY_STRING L"\\Booleans";


#define EXPECT_REGVAL_EQ(value, key_name, value_name) do {                 \
    char buf[sizeof(value)];                                               \
    ULONG len = sizeof(buf);                                               \
    CRegKey key;                                                           \
    ASSERT_EQ(ERROR_SUCCESS, key.Open(HKEY_CURRENT_USER, key_name));       \
    EXPECT_EQ(ERROR_SUCCESS, key.QueryBinaryValue(value_name, buf, &len)); \
    EXPECT_EQ(sizeof(buf), len);                                           \
    EXPECT_EQ(0, memcmp(&value, buf, sizeof(buf)));                        \
  } while (0)

TEST_F(MetricsAggregatorWin32Test, AggregateWin32) {
  MetricsAggregatorWin32 agg(coll_, kAppName);

  EXPECT_TRUE(agg.AggregateMetrics());
  AddStats();
  EXPECT_TRUE(agg.AggregateMetrics());

  {
    int64 one = 1, two = 2;
    EXPECT_REGVAL_EQ(one, kCountsKeyName, L"c1");
    EXPECT_REGVAL_EQ(two, kCountsKeyName, L"c2");

    TimingMetric::TimingData data1 = { 2, 0, 1500, 500, 1000 };
    TimingMetric::TimingData data2 = { 2, 0, 2030, 30, 2000 };
    EXPECT_REGVAL_EQ(data1, kTimingsKeyName, L"t1");
    EXPECT_REGVAL_EQ(data2, kTimingsKeyName, L"t2");

    EXPECT_REGVAL_EQ(one, kIntegersKeyName, L"i1");
    EXPECT_REGVAL_EQ(two, kIntegersKeyName, L"i2");

    int32 bool_true = 1, bool_false = 0;
    EXPECT_REGVAL_EQ(bool_true, kBoolsKeyName, L"b1");
    EXPECT_REGVAL_EQ(bool_false, kBoolsKeyName, L"b2");
  }

  AddStats();
  EXPECT_TRUE(agg.AggregateMetrics());

  {
    int64 two = 2, four = 4;
    EXPECT_REGVAL_EQ(two, kCountsKeyName, L"c1");
    EXPECT_REGVAL_EQ(four, kCountsKeyName, L"c2");

    TimingMetric::TimingData data1 = { 4, 0, 3000, 500, 1000 };
    TimingMetric::TimingData data2 = { 4, 0, 4060, 30, 2000 };
    EXPECT_REGVAL_EQ(data1, kTimingsKeyName, L"t1");
    EXPECT_REGVAL_EQ(data2, kTimingsKeyName, L"t2");

    int64 one = 1;
    EXPECT_REGVAL_EQ(one, kIntegersKeyName, L"i1");
    EXPECT_REGVAL_EQ(two, kIntegersKeyName, L"i2");

    int32 bool_true = 1, bool_false = 0;
    EXPECT_REGVAL_EQ(bool_true, kBoolsKeyName, L"b1");
    EXPECT_REGVAL_EQ(bool_false, kBoolsKeyName, L"b2");
  }
}