1 /* 2 Copyright (c) 2020-2021 Intel Corporation 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 #if __INTEL_COMPILER && _MSC_VER 18 #pragma warning(disable : 2586) // decorated name length exceeded, name was truncated 19 #endif 20 21 #include "common/test.h" 22 23 #include "common/utils.h" 24 #include "common/graph_utils.h" 25 26 #include "oneapi/tbb/flow_graph.h" 27 #include "oneapi/tbb/task_arena.h" 28 #include "oneapi/tbb/global_control.h" 29 30 #include "conformance_flowgraph.h" 31 32 //! \file conformance_write_once_node.cpp 33 //! \brief Test for [flow_graph.write_once_node] specification 34 35 /* 36 TODO: implement missing conformance tests for write_once_node: 37 - [ ] The copy constructor and copy assignment are called for the node's type template parameter. 38 - [ ] Improve copy constructor and general constructor tests. 39 - [ ] Write test checking the value is initially invalid. 40 - [ ] Write test checking that the gets from the node are non-destructive, but the first `try_get' 41 fails. 42 - [ ] Add test on `write_once_node::is_valid()' method. 43 - [ ] Add test on `write_once_node::clear()' method. 44 - [ ] Add test with reserving `join_node' as node's successor. Use example from the spec. 45 */ 46 47 template<typename T> 48 void test_inheritance(){ 49 using namespace oneapi::tbb::flow; 50 51 CHECK_MESSAGE( (std::is_base_of<graph_node, write_once_node<T>>::value), "write_once_node should be derived from graph_node"); 52 CHECK_MESSAGE( (std::is_base_of<receiver<T>, write_once_node<T>>::value), "write_once_node should be derived from receiver<T>"); 53 CHECK_MESSAGE( (std::is_base_of<sender<T>, write_once_node<T>>::value), "write_once_node should be derived from sender<T>"); 54 } 55 56 void test_copies(){ 57 using namespace oneapi::tbb::flow; 58 59 graph g; 60 write_once_node<int> fn(g); 61 write_once_node<int> fn2(fn); 62 63 } 64 void test_buffering(){ 65 oneapi::tbb::flow::graph g; 66 67 oneapi::tbb::flow::write_once_node<int> node(g); 68 oneapi::tbb::flow::limiter_node<int> rejecter(g, 0); 69 70 oneapi::tbb::flow::make_edge(node, rejecter); 71 node.try_put(1); 72 73 int tmp = -1; 74 CHECK_MESSAGE( (node.try_get(tmp) == true), "try_get after rejection should succeed"); 75 CHECK_MESSAGE( (tmp == 1), "try_get after rejection should set value"); 76 g.wait_for_all(); 77 } 78 79 void test_forwarding(){ 80 oneapi::tbb::flow::graph g; 81 82 oneapi::tbb::flow::write_once_node<int> node1(g); 83 test_push_receiver<int> node2(g); 84 test_push_receiver<int> node3(g); 85 86 oneapi::tbb::flow::make_edge(node1, node2); 87 oneapi::tbb::flow::make_edge(node1, node3); 88 89 node1.try_put(1); 90 g.wait_for_all(); 91 92 CHECK_MESSAGE( (get_count(node2) == 1), "Descendant of the node must receive one message."); 93 CHECK_MESSAGE( (get_count(node3) == 1), "Descendant of the node must receive one message."); 94 } 95 96 97 void test_writing_once(){ 98 oneapi::tbb::flow::graph g; 99 100 oneapi::tbb::flow::write_once_node<int> node1(g); 101 102 int tmp = -1; 103 node1.try_put(1); 104 105 CHECK_MESSAGE( (node1.try_get(tmp) == true), "Descendant needs to receive"); 106 CHECK_MESSAGE( (tmp == 1), "Descendant needs be receive correct message"); 107 108 CHECK_MESSAGE( (node1.try_put(2) == false), "Putting again should not succeed"); 109 110 CHECK_MESSAGE( (node1.try_get(tmp) == true), "try_get should still succeed"); 111 CHECK_MESSAGE( (tmp == 1), "try_get should receive initial value"); 112 113 g.wait_for_all(); 114 } 115 116 //! Test overwrite_node behavior 117 //! \brief \ref requirement 118 TEST_CASE("write_once_node messages"){ 119 test_writing_once(); 120 } 121 122 //! Test function_node broadcast 123 //! \brief \ref requirement 124 TEST_CASE("overwrite_node broadcast"){ 125 test_forwarding(); 126 } 127 128 //! Test write_once_node buffering 129 //! \brief \ref requirement 130 TEST_CASE("write_once_node buffering"){ 131 test_buffering(); 132 } 133 134 //! Test copy constructor 135 //! \brief \ref interface 136 TEST_CASE("write_once_node copy constructor"){ 137 test_copies(); 138 } 139 140 //! Test inheritance relations 141 //! \brief \ref interface 142 TEST_CASE("write_once_node superclasses"){ 143 test_inheritance<int>(); 144 test_inheritance<void*>(); 145 } 146 147