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https://fuchsia.googlesource.com/third_party/pigweed.googlesource.com/pigweed/pigweed
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141 lines
4.6 KiB
C++
141 lines
4.6 KiB
C++
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// Copyright 2021 The Pigweed Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not
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// use this file except in compliance with the License. You may obtain a copy of
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// the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations under
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// the License.
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#define PW_LOG_MODULE_NAME "log module name!"
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// Configure the module so that the test runs against known values.
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#undef PW_LOG_TOKENIZED_LEVEL_BITS
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#undef PW_LOG_TOKENIZED_MODULE_BITS
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#undef PW_LOG_TOKENIZED_FLAG_BITS
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#undef PW_LOG_TOKENIZED_LINE_BITS
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#define PW_LOG_TOKENIZED_LEVEL_BITS 3
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#define PW_LOG_TOKENIZED_MODULE_BITS 16
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#define PW_LOG_TOKENIZED_FLAG_BITS 2
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#define PW_LOG_TOKENIZED_LINE_BITS 11
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#include "pw_log_tokenized/log_tokenized.h"
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#include "gtest/gtest.h"
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#include "pw_log_tokenized_private/test_utils.h"
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namespace pw::log_tokenized {
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namespace {
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TEST(LogTokenized, FormatString) {
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PW_LOG_TOKENIZED_TO_GLOBAL_HANDLER_WITH_PAYLOAD(63, 1023, "hello %d", 1);
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EXPECT_STREQ(last_log.format_string,
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"■msg♦hello %d■module♦log module name!■file♦" __FILE__);
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}
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constexpr uintptr_t kModuleToken =
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PW_TOKENIZER_STRING_TOKEN(PW_LOG_MODULE_NAME) &
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((1u << PW_LOG_TOKENIZED_MODULE_BITS) - 1);
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TEST(LogTokenized, LogMetadata_LevelTooLarge_Clamps) {
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auto check_metadata = [] {
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Metadata metadata = Metadata(last_log.metadata);
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EXPECT_EQ(metadata.level(), 7u);
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EXPECT_EQ(metadata.flags(), 0u);
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EXPECT_EQ(metadata.module(), kModuleToken);
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EXPECT_TRUE(metadata.line_number() == 55u || metadata.line_number() == 45u);
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};
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PW_LOG_TOKENIZED_TO_GLOBAL_HANDLER_WITH_PAYLOAD(8, 0, "hello");
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check_metadata();
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pw_log_tokenized_Test_LogMetadata_LevelTooLarge_Clamps();
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check_metadata();
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}
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TEST(LogTokenized, LogMetadata_TooManyFlags_Truncates) {
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auto check_metadata = [] {
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Metadata metadata = Metadata(last_log.metadata);
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EXPECT_EQ(metadata.level(), 1u);
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EXPECT_EQ(metadata.flags(), 0b11u);
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EXPECT_EQ(metadata.module(), kModuleToken);
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EXPECT_TRUE(metadata.line_number() == 71u || metadata.line_number() == 49u);
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};
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PW_LOG_TOKENIZED_TO_GLOBAL_HANDLER_WITH_PAYLOAD(1, 0xFFFFFFFF, "hello");
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check_metadata();
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pw_log_tokenized_Test_LogMetadata_TooManyFlags_Truncates();
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check_metadata();
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}
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TEST(LogTokenized, LogMetadata_VariousValues) {
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auto check_metadata = [] {
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Metadata metadata = Metadata(last_log.metadata);
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EXPECT_EQ(metadata.level(), 6u);
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EXPECT_EQ(metadata.flags(), 3u);
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EXPECT_EQ(metadata.module(), kModuleToken);
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EXPECT_EQ(last_log.arg_count, 1u);
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EXPECT_TRUE(metadata.line_number() == 88u || metadata.line_number() == 53u);
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};
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PW_LOG_TOKENIZED_TO_GLOBAL_HANDLER_WITH_PAYLOAD(6, 3, "hello%s", "?");
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check_metadata();
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pw_log_tokenized_Test_LogMetadata_LogMetadata_VariousValues();
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check_metadata();
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}
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TEST(LogTokenized, LogMetadata_Zero) {
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auto check_metadata = [] {
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Metadata metadata = Metadata(last_log.metadata);
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EXPECT_EQ(metadata.level(), 0u);
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EXPECT_EQ(metadata.flags(), 0u);
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EXPECT_EQ(metadata.module(), kModuleToken);
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EXPECT_EQ(last_log.arg_count, 0u);
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EXPECT_TRUE(metadata.line_number() == 106u ||
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metadata.line_number() == 57u);
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};
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PW_LOG_TOKENIZED_TO_GLOBAL_HANDLER_WITH_PAYLOAD(0, 0, "hello");
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check_metadata();
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pw_log_tokenized_Test_LogMetadata_LogMetadata_Zero();
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check_metadata();
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}
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TEST(LogTokenized, LogMetadata_MaxValues) {
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#line 2047
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PW_LOG_TOKENIZED_TO_GLOBAL_HANDLER_WITH_PAYLOAD(7, 3, "hello %d", 1);
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Metadata metadata = Metadata(last_log.metadata);
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EXPECT_EQ(metadata.line_number(), 2047u);
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EXPECT_EQ(metadata.level(), 7u);
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EXPECT_EQ(metadata.flags(), 3u);
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EXPECT_EQ(metadata.module(), kModuleToken);
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EXPECT_EQ(last_log.arg_count, 1u);
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}
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TEST(LogTokenized, LogMetadata_LineNumberTooLarge_IsZero) {
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#line 2048 // At 11 bits, the largest representable line is 2047
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PW_LOG_TOKENIZED_TO_GLOBAL_HANDLER_WITH_PAYLOAD(7, 3, "hello %d", 1);
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EXPECT_EQ(Metadata(last_log.metadata).line_number(), 0u);
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#line 2049
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PW_LOG_TOKENIZED_TO_GLOBAL_HANDLER_WITH_PAYLOAD(7, 3, "hello %d", 1);
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EXPECT_EQ(Metadata(last_log.metadata).line_number(), 0u);
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#line 99999
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PW_LOG_TOKENIZED_TO_GLOBAL_HANDLER_WITH_PAYLOAD(7, 3, "hello %d", 1);
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EXPECT_EQ(Metadata(last_log.metadata).line_number(), 0u);
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}
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} // namespace
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} // namespace pw::log_tokenized
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