Keir Mierle | af5e358 | 2019-12-30 13:11:05 -0800 | [diff] [blame] | 1 | // Copyright 2020 The Pigweed Authors |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| 4 | // use this file except in compliance with the License. You may obtain a copy of |
| 5 | // the License at |
| 6 | // |
| 7 | // https://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 11 | // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 12 | // License for the specific language governing permissions and limitations under |
| 13 | // the License. |
| 14 | |
| 15 | // This is test verifies that the logging backend: |
| 16 | // |
| 17 | // - Compiles as plain C |
| 18 | // - Runs when compiled as C |
| 19 | // |
| 20 | // Unfortunately, since we do not know where the log sink actually goes, the |
| 21 | // logging functionality itself is not verified beyond compiling and running. |
| 22 | |
| 23 | #define PW_LOG_MODULE_NAME "CTS" |
| 24 | |
| 25 | #include "pw_log/log.h" |
| 26 | |
| 27 | #ifdef __cplusplus |
| 28 | #error "This file must be compiled as plain C to verify C compilation works." |
| 29 | #endif // __cplusplus |
| 30 | |
Wyatt Hepler | 06f98fc | 2021-03-04 16:25:27 -0800 | [diff] [blame] | 31 | static void LoggingFromFunctionPlainC(void) { PW_LOG_INFO("From a function!"); } |
Wyatt Hepler | 33a1e5a | 2020-05-01 18:14:23 -0700 | [diff] [blame] | 32 | |
| 33 | static void CustomFormatStringTest(void); |
Keir Mierle | af5e358 | 2019-12-30 13:11:05 -0800 | [diff] [blame] | 34 | |
Wyatt Hepler | 06f98fc | 2021-03-04 16:25:27 -0800 | [diff] [blame] | 35 | void BasicLogTestPlainC(void) { |
Keir Mierle | af5e358 | 2019-12-30 13:11:05 -0800 | [diff] [blame] | 36 | int n = 3; |
| 37 | |
| 38 | // Debug level |
| 39 | PW_LOG_DEBUG("This log statement should be at DEBUG level; no args"); |
| 40 | for (int i = 0; i < n; ++i) { |
| 41 | PW_LOG_DEBUG("Counting: %d", i); |
| 42 | } |
| 43 | PW_LOG_DEBUG("Here is a string: %s; with another string %s", "foo", "bar"); |
| 44 | |
| 45 | // Info level |
| 46 | PW_LOG_INFO("This log statement should be at INFO level; no args"); |
| 47 | for (int i = 0; i < n; ++i) { |
| 48 | PW_LOG_INFO("Counting: %d", i); |
| 49 | } |
| 50 | PW_LOG_INFO("Here is a string: %s; with another string %s", "foo", "bar"); |
| 51 | |
| 52 | // Warn level |
| 53 | PW_LOG_WARN("This log statement should be at WARN level; no args"); |
| 54 | for (int i = 0; i < n; ++i) { |
| 55 | PW_LOG_WARN("Counting: %d", i); |
| 56 | } |
| 57 | PW_LOG_WARN("Here is a string: %s; with another string %s", "foo", "bar"); |
| 58 | |
| 59 | // Error level. |
| 60 | PW_LOG_ERROR("This log statement should be at ERROR level; no args"); |
| 61 | for (int i = 0; i < n; ++i) { |
| 62 | PW_LOG_ERROR("Counting: %d", i); |
| 63 | } |
| 64 | PW_LOG_ERROR("Here is a string: %s; with another string %s", "foo", "bar"); |
| 65 | |
| 66 | // Critical level. |
| 67 | PW_LOG_CRITICAL("This log is the last one; device should reboot"); |
| 68 | |
| 69 | // Core log macro, with manually specified level and flags. |
| 70 | PW_LOG(PW_LOG_LEVEL_DEBUG, 0, "A manual DEBUG-level message"); |
| 71 | PW_LOG(PW_LOG_LEVEL_DEBUG, 1, "A manual DEBUG-level message; with a flag"); |
| 72 | |
| 73 | PW_LOG(PW_LOG_LEVEL_INFO, 0, "A manual INFO-level message"); |
| 74 | PW_LOG(PW_LOG_LEVEL_INFO, 1, "A manual INFO-level message; with a flag"); |
| 75 | |
| 76 | PW_LOG(PW_LOG_LEVEL_WARN, 0, "A manual WARN-level message"); |
| 77 | PW_LOG(PW_LOG_LEVEL_WARN, 1, "A manual WARN-level message; with a flag"); |
| 78 | |
| 79 | PW_LOG(PW_LOG_LEVEL_ERROR, 0, "A manual ERROR-level message"); |
| 80 | PW_LOG(PW_LOG_LEVEL_ERROR, 1, "A manual ERROR-level message; with a flag"); |
| 81 | |
| 82 | PW_LOG(PW_LOG_LEVEL_CRITICAL, 0, "A manual CRITICAL-level message"); |
| 83 | PW_LOG( |
| 84 | PW_LOG_LEVEL_CRITICAL, 1, "A manual CRITICAL-level message; with a flag"); |
| 85 | |
| 86 | // Log levels other than the standard ones work; what each backend does is |
| 87 | // implementation defined. |
Keir Mierle | c4725d7 | 2020-06-04 12:17:38 -0700 | [diff] [blame] | 88 | PW_LOG(0, PW_LOG_DEFAULT_FLAGS, "Custom log level: 0"); |
| 89 | PW_LOG(1, PW_LOG_DEFAULT_FLAGS, "Custom log level: 1"); |
| 90 | PW_LOG(2, PW_LOG_DEFAULT_FLAGS, "Custom log level: 2"); |
| 91 | PW_LOG(3, PW_LOG_DEFAULT_FLAGS, "Custom log level: 3"); |
| 92 | PW_LOG(100, PW_LOG_DEFAULT_FLAGS, "Custom log level: 100"); |
Keir Mierle | af5e358 | 2019-12-30 13:11:05 -0800 | [diff] [blame] | 93 | |
| 94 | // Logging from a function. |
| 95 | LoggingFromFunctionPlainC(); |
| 96 | |
| 97 | // Changing the module name mid-file. |
| 98 | #undef PW_LOG_MODULE_NAME |
| 99 | #define PW_LOG_MODULE_NAME "XYZ" |
| 100 | PW_LOG_INFO("This has a custom module name"); |
| 101 | PW_LOG_INFO("So does this"); |
Wyatt Hepler | 33a1e5a | 2020-05-01 18:14:23 -0700 | [diff] [blame] | 102 | |
| 103 | CustomFormatStringTest(); |
| 104 | } |
| 105 | |
| 106 | #undef PW_LOG |
| 107 | #define PW_LOG(level, flags, message, ...) \ |
| 108 | DoNothingFakeFunction("%d/%d/%d: incoming transmission [" message "]", \ |
| 109 | level, \ |
| 110 | __LINE__, \ |
| 111 | flags PW_COMMA_ARGS(__VA_ARGS__)) |
| 112 | |
| 113 | static void DoNothingFakeFunction(const char* f, ...) PW_PRINTF_FORMAT(1, 2); |
| 114 | |
| 115 | static void DoNothingFakeFunction(const char* f, ...) { (void)f; } |
| 116 | |
| 117 | static void CustomFormatStringTest(void) { |
| 118 | PW_LOG_DEBUG("Abc"); |
| 119 | PW_LOG_INFO("Abc %d", 123); |
| 120 | PW_LOG_WARN("Abc %d %s", 123, "four"); |
Keir Mierle | af5e358 | 2019-12-30 13:11:05 -0800 | [diff] [blame] | 121 | } |