1 /*
2 * Copyright (C) 2024 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "src/metrics/HistogramValue.h"
18
19 #include <gtest/gtest.h>
20
21 #ifdef __ANDROID__
22
23 using namespace testing;
24
25 namespace android {
26 namespace os {
27 namespace statsd {
28 namespace {
29
TEST(HistogramValueTest,TestGetCompactedBinCountsSize)30 TEST(HistogramValueTest, TestGetCompactedBinCountsSize) {
31 EXPECT_EQ(getCompactedBinCountsSize({}), 0);
32 EXPECT_EQ(getCompactedBinCountsSize({0}), 1);
33 EXPECT_EQ(getCompactedBinCountsSize({1}), 1);
34 EXPECT_EQ(getCompactedBinCountsSize({0, 0}), 1);
35 EXPECT_EQ(getCompactedBinCountsSize({0, 1}), 2);
36 EXPECT_EQ(getCompactedBinCountsSize({1, 0}), 2);
37 EXPECT_EQ(getCompactedBinCountsSize({1, 1}), 2);
38 EXPECT_EQ(getCompactedBinCountsSize({1, 0, 0}), 2);
39 EXPECT_EQ(getCompactedBinCountsSize({1, 0, 1}), 3);
40 EXPECT_EQ(getCompactedBinCountsSize({1, 0, 0, 1}), 3);
41 EXPECT_EQ(getCompactedBinCountsSize({1, 0, 1, 0}), 4);
42 EXPECT_EQ(getCompactedBinCountsSize({0, 0, 1, 0, 0}), 3);
43 }
44
TEST(HistogramValueTest,TestErrorBinsMismatch)45 TEST(HistogramValueTest, TestErrorBinsMismatch) {
46 EXPECT_EQ(HistogramValue({1, 1, 1}) + HistogramValue({2, 2, 3, 4}),
47 HistogramValue::ERROR_BINS_MISMATCH);
48 EXPECT_EQ(HistogramValue({3, 4, 5}) - HistogramValue({1, 2, 3, 4}),
49 HistogramValue::ERROR_BINS_MISMATCH);
50 }
51
TEST(HistogramValueTest,TestErrorBinCountTooHigh)52 TEST(HistogramValueTest, TestErrorBinCountTooHigh) {
53 EXPECT_EQ(HistogramValue({3, 4, 5}) - HistogramValue({4, 2, 3}),
54 HistogramValue::ERROR_BIN_COUNT_TOO_HIGH);
55 }
56
57 } // anonymous namespace
58
59 } // namespace statsd
60 } // namespace os
61 } // namespace android
62 #else
63 GTEST_LOG_(INFO) << "This test does nothing.\n";
64 #endif
65