|  | // Copyright 2020 The Pigweed Authors | 
|  | // | 
|  | // 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 | 
|  | // | 
|  | //     https://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. | 
|  | // | 
|  | // This is a simple test that ensures a provided trace backend compiles. | 
|  |  | 
|  | #define PW_TRACE_MODULE_NAME "TST" | 
|  |  | 
|  | #include "pw_trace/trace.h" | 
|  |  | 
|  | #ifdef __cplusplus | 
|  | #error "This file must be compiled as plain C to verify C compilation works." | 
|  | #endif  // __cplusplus | 
|  |  | 
|  | void BasicTraceTestPlainC(void) { | 
|  | PW_TRACE_INSTANT("Test"); | 
|  |  | 
|  | PW_TRACE_START("Test"); | 
|  | PW_TRACE_END("Test"); | 
|  |  | 
|  | PW_TRACE_START("Parent", "group"); | 
|  | PW_TRACE_START("Child", "group"); | 
|  | PW_TRACE_END("Child", "group"); | 
|  | PW_TRACE_INSTANT("Test", "group"); | 
|  | PW_TRACE_START("Other Child", "group"); | 
|  | PW_TRACE_END("Other Child", "group"); | 
|  | PW_TRACE_END("Parent", "group"); | 
|  |  | 
|  | PW_TRACE_START("label for start", "group", 1); | 
|  | PW_TRACE_INSTANT("label for step", "group", 1); | 
|  | PW_TRACE_END("label for end", "group", 1); | 
|  |  | 
|  | const char kSomeData[] = "SOME DATA"; | 
|  | PW_TRACE_INSTANT_DATA("Test", "s", kSomeData, sizeof(kSomeData)); | 
|  |  | 
|  | PW_TRACE_START_DATA("Parent", "group", "s", kSomeData, sizeof(kSomeData)); | 
|  | PW_TRACE_START_DATA("Child", "group", "s", kSomeData, sizeof(kSomeData)); | 
|  | PW_TRACE_END_DATA("child", "group", "s", kSomeData, sizeof(kSomeData)); | 
|  | PW_TRACE_INSTANT_DATA("Test", "group", "s", kSomeData, sizeof(kSomeData)); | 
|  | PW_TRACE_START_DATA( | 
|  | "Other Child", "group", "s", kSomeData, sizeof(kSomeData)); | 
|  | PW_TRACE_END_DATA("Other Child", "group", "s", kSomeData, sizeof(kSomeData)); | 
|  | PW_TRACE_END_DATA("Parent", "group", "s", kSomeData, sizeof(kSomeData)); | 
|  |  | 
|  | uint32_t trace_id = 1; | 
|  | PW_TRACE_START_DATA( | 
|  | "label for start", "group", trace_id, "s", kSomeData, sizeof(kSomeData)); | 
|  | PW_TRACE_INSTANT_DATA( | 
|  | "label for step", "group", trace_id, "s", kSomeData, sizeof(kSomeData)); | 
|  | PW_TRACE_END_DATA( | 
|  | "label for end", "group", trace_id, "s", kSomeData, sizeof(kSomeData)); | 
|  | } |