1 /*
2 * Copyright (C) 2022 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/trace_processor/perfetto_sql/intrinsics/table_functions/descendant.h"
18
19 #include <memory>
20
21 #include "perfetto/ext/base/status_or.h"
22 #include "perfetto/trace_processor/basic_types.h"
23 #include "src/trace_processor/db/table.h"
24 #include "src/trace_processor/storage/trace_storage.h"
25 #include "test/gtest_and_gmock.h"
26
27 namespace perfetto::trace_processor {
28 namespace {
29
TEST(Descendant,SliceTableNullConstraint)30 TEST(Descendant, SliceTableNullConstraint) {
31 // Insert a row to make sure that we are not returning an empty table just
32 // because the source is empty.
33 TraceStorage storage;
34 storage.mutable_slice_table()->Insert({});
35
36 Descendant generator{Descendant::Type::kSlice, &storage};
37
38 // Check that if we pass start_id = NULL as a constraint, we correctly return
39 // an empty table.
40 base::StatusOr<std::unique_ptr<Table>> res =
41 generator.ComputeTable({SqlValue()});
42 ASSERT_TRUE(res.ok());
43 ASSERT_EQ(res->get()->row_count(), 0u);
44 }
45
TEST(Descendant,SliceByStackTableNullConstraint)46 TEST(Descendant, SliceByStackTableNullConstraint) {
47 // Insert a row to make sure that we are not returning an empty table just
48 // because the source is empty.
49 TraceStorage storage;
50 storage.mutable_slice_table()->Insert({});
51
52 Descendant generator{Descendant::Type::kSliceByStack, &storage};
53
54 // Check that if we pass start_id = NULL as a constraint, we correctly return
55 // an empty table.
56 base::StatusOr<std::unique_ptr<Table>> res =
57 generator.ComputeTable({SqlValue()});
58 ASSERT_TRUE(res.ok());
59 ASSERT_EQ(res->get()->row_count(), 0u);
60 }
61
62 } // namespace
63 } // namespace perfetto::trace_processor
64