| /* |
| * Copyright (C) 2022 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "src/trace_processor/prelude/table_functions/connected_flow.h" |
| |
| #include "test/gtest_and_gmock.h" |
| |
| namespace perfetto { |
| namespace trace_processor { |
| namespace { |
| |
| TEST(ConnectedFlow, SliceTableNullConstraint) { |
| // Insert a row to make sure that we are not returning an empty table just |
| // because the source is empty. |
| TraceStorage storage; |
| storage.mutable_slice_table()->Insert({}); |
| |
| ConnectedFlow generator{ConnectedFlow::Mode::kDirectlyConnectedFlow, |
| &storage}; |
| |
| // Check that if we pass start_id = NULL as a constraint, we correctly return |
| // an empty table. |
| std::unique_ptr<Table> res; |
| Constraint c{tables::ConnectedFlowTable::ColumnIndex::start_id, FilterOp::kEq, |
| SqlValue()}; |
| base::Status status = generator.ComputeTable({c}, {}, BitVector(), res); |
| ASSERT_TRUE(status.ok()); |
| ASSERT_EQ(res->row_count(), 0u); |
| } |
| |
| } // namespace |
| } // namespace trace_processor |
| } // namespace perfetto |