| // 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 kRapporMetricTestParameters = { |
| 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", kRapporMetricTestParameters, 0); |
| testMetric.AddSample("Bar"); |
| EXPECT_EQ(0x80, testMetric.bytes()[1]); |
| } |
| |
| TEST(RapporMetricTest, GetReport) { |
| RapporMetric metric("MyRappor", kRapporMetricTestParameters, 0); |
| |
| const ByteVector report = metric.GetReport( |
| HmacByteVectorGenerator::GenerateEntropyInput()); |
| EXPECT_EQ(16u, report.size()); |
| } |
| |
| } // namespace rappor |