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// Copyright (c) 2012 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 <vector>
#include "base/stringprintf.h"
#include "breakpad/src/client/windows/common/ipc_protocol.h"
#include "chrome/app/breakpad_field_trial_win.h"
#include "chrome/app/breakpad_win.h"
#include "chrome/common/child_process_logging.h"
#include "chrome/common/metrics/variations/variations_util.h"
#include "testing/gtest/include/gtest/gtest.h"
using breakpad_win::g_custom_entries;
using breakpad_win::g_experiment_chunks_offset;
using breakpad_win::g_num_of_experiments_offset;
class ChromeAppBreakpadTest : public testing::Test {
public:
ChromeAppBreakpadTest() {
testing::InitCustomInfoEntries();
}
protected:
typedef std::vector<string16> Experiments;
void ValidateExperimentChunks(const Experiments& experiments) {
std::vector<string16> chunks;
chrome_variations::GenerateVariationChunks(experiments, &chunks);
testing::SetExperimentChunks(chunks, experiments.size());
EXPECT_STREQ(base::StringPrintf(L"%d", experiments.size()).c_str(),
(*g_custom_entries)[g_num_of_experiments_offset].value);
// We make a copy of the array that we empty as we find the experiments.
Experiments experiments_left(experiments);
for (int i = 0; i < kMaxReportedVariationChunks; ++i) {
const google_breakpad::CustomInfoEntry& entry =
(*g_custom_entries)[g_experiment_chunks_offset + i];
EXPECT_STREQ(base::StringPrintf(L"experiment-chunk-%i", i + 1).c_str(),
entry.name);
// An empty value should only appear when |experiments_left| is empty.
if (wcslen(entry.value) == 0)
EXPECT_TRUE(experiments_left.empty());
if (experiments_left.empty()) {
// All other slots should be empty.
EXPECT_STREQ(L"", entry.value);
} else {
// We can't guarantee the order, so we must search for them all.
Experiments::const_iterator experiment = experiments_left.begin();
while (experiment != experiments_left.end()) {
if (wcsstr(entry.value, experiment->c_str())) {
experiment = experiments_left.erase(experiment);
} else {
++experiment;
}
}
}
}
EXPECT_TRUE(experiments_left.empty());
}
private:
static const wchar_t* kNumExperiments;
static const size_t kNumExperimentsSize;
};
const wchar_t* ChromeAppBreakpadTest::kNumExperiments = L"num-experiments";
const size_t ChromeAppBreakpadTest::kNumExperimentsSize =
wcslen(ChromeAppBreakpadTest::kNumExperiments);
TEST_F(ChromeAppBreakpadTest, ExperimentList) {
Experiments experiments;
experiments.push_back(L"ABCDE-12345");
ValidateExperimentChunks(experiments);
experiments.push_back(L"There-You Are");
ValidateExperimentChunks(experiments);
experiments.push_back(L"Peter-Sellers");
ValidateExperimentChunks(experiments);
experiments.push_back(L"Eat me-Drink me");
ValidateExperimentChunks(experiments);
}
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