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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/rappor/rappor_metric.h"
#include <stdlib.h>
#include "base/rand_util.h"
#include "base/strings/stringprintf.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace rappor {
const RapporParameters kTestRapporParameters = {
1 /* Num cohorts */,
16 /* Bloom filter size bytes */,
4 /* Bloom filter hash count */,
NORMAL_NOISE /* Noise level */,
UMA_RAPPOR_GROUP /* Recording group (not used) */,
};
// Check for basic syntax and use.
TEST(RapporMetricTest, BasicMetric) {
RapporMetric testMetric("MyRappor", kTestRapporParameters, 0);
testMetric.AddSample("Bar");
EXPECT_EQ(0x80, testMetric.bytes()[1]);
}
TEST(RapporMetricTest, GetReport) {
RapporMetric metric("MyRappor", kTestRapporParameters, 0);
const ByteVector report = metric.GetReport(
HmacByteVectorGenerator::GenerateEntropyInput());
EXPECT_EQ(16u, report.size());
}
} // namespace rappor
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