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/connected_flow.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/base/test/status_matchers.h" 24 #include "src/trace_processor/db/table.h" 25 #include "src/trace_processor/storage/trace_storage.h" 26 #include "test/gtest_and_gmock.h" 27 28 namespace perfetto::trace_processor { 29 namespace { 30 TEST(ConnectedFlow,SliceTableNullConstraint)31TEST(ConnectedFlow, SliceTableNullConstraint) { 32 // Insert a row to make sure that we are not returning an empty table just 33 // because the source is empty. 34 TraceStorage storage; 35 storage.mutable_slice_table()->Insert({}); 36 37 ConnectedFlow generator{ConnectedFlow::Mode::kDirectlyConnectedFlow, 38 &storage}; 39 40 // Check that if we pass start_id = NULL as a constraint, we correctly return 41 // an empty table. 42 base::StatusOr<std::unique_ptr<Table>> res = 43 generator.ComputeTable({SqlValue()}); 44 ASSERT_OK(res); 45 ASSERT_EQ(res->get()->row_count(), 0u); 46 } 47 48 } // namespace 49 } // namespace perfetto::trace_processor 50