blob: 74de0a519f5b4dcd10f118c088d36a476170db71 [file] [log] [blame]
// Copyright 2021 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.
#include "pw_log_tokenized/metadata.h"
#include "gtest/gtest.h"
namespace pw::log_tokenized {
namespace {
TEST(Metadata, NoLineBits) {
using NoLineBits = internal::GenericMetadata<6, 0, 10, 16>;
constexpr NoLineBits test1 = NoLineBits::Set<0, 0, 0>();
static_assert(test1.level() == 0);
static_assert(test1.module() == 0);
static_assert(test1.flags() == 0);
static_assert(test1.line_number() == 0);
constexpr NoLineBits test2 = NoLineBits::Set<3, 2, 1>();
static_assert(test2.level() == 3);
static_assert(test2.module() == 2);
static_assert(test2.flags() == 1);
static_assert(test2.line_number() == 0);
constexpr NoLineBits test3 = NoLineBits::Set<63, 65535, 1023>();
static_assert(test3.level() == 63);
static_assert(test3.module() == 65535);
static_assert(test3.flags() == 1023);
static_assert(test3.line_number() == 0);
}
TEST(Metadata, NoFlagBits) {
using NoFlagBits = internal::GenericMetadata<3, 13, 0, 16>;
constexpr NoFlagBits test1 = NoFlagBits::Set<0, 0, 0, 0>();
static_assert(test1.level() == 0);
static_assert(test1.module() == 0);
static_assert(test1.flags() == 0);
static_assert(test1.line_number() == 0);
constexpr NoFlagBits test2 = NoFlagBits::Set<3, 2, 0, 1>();
static_assert(test2.level() == 3);
static_assert(test2.module() == 2);
static_assert(test2.flags() == 0);
static_assert(test2.line_number() == 1);
constexpr NoFlagBits test3 = NoFlagBits::Set<7, 65535, 0, (1 << 13) - 1>();
static_assert(test3.level() == 7);
static_assert(test3.module() == 65535);
static_assert(test3.flags() == 0);
static_assert(test3.line_number() == (1 << 13) - 1);
}
TEST(Metadata, EncodedValue_Zero) {
constexpr Metadata test1 = Metadata::Set<0, 0, 0, 0>();
static_assert(test1.value() == 0);
}
TEST(Metadata, EncodedValue_Nonzero) {
constexpr size_t kExpectedLevel = 3;
constexpr size_t kExpectedLine = 2022;
constexpr size_t kExpectedFlags = 0b10;
constexpr size_t kExpectedModule = 1337;
constexpr size_t kExpectedValue =
(kExpectedLevel) | (kExpectedLine << PW_LOG_TOKENIZED_LEVEL_BITS) |
(kExpectedFlags << (PW_LOG_TOKENIZED_LEVEL_BITS +
PW_LOG_TOKENIZED_LINE_BITS)) |
(kExpectedModule << (PW_LOG_TOKENIZED_LEVEL_BITS +
PW_LOG_TOKENIZED_LINE_BITS +
PW_LOG_TOKENIZED_FLAG_BITS));
constexpr Metadata test = Metadata::
Set<kExpectedLevel, kExpectedModule, kExpectedFlags, kExpectedLine>();
static_assert(test.value() == kExpectedValue);
}
TEST(Metadata, EncodedValue_NonzeroConstructor) {
constexpr size_t kExpectedLevel = 1;
constexpr size_t kExpectedLine = 99;
constexpr size_t kExpectedFlags = 0b11;
constexpr size_t kExpectedModule = 8900;
constexpr size_t kExpectedValue =
(kExpectedLevel) | (kExpectedLine << PW_LOG_TOKENIZED_LEVEL_BITS) |
(kExpectedFlags << (PW_LOG_TOKENIZED_LEVEL_BITS +
PW_LOG_TOKENIZED_LINE_BITS)) |
(kExpectedModule << (PW_LOG_TOKENIZED_LEVEL_BITS +
PW_LOG_TOKENIZED_LINE_BITS +
PW_LOG_TOKENIZED_FLAG_BITS));
constexpr Metadata test =
Metadata(kExpectedLevel, kExpectedModule, kExpectedFlags, kExpectedLine);
static_assert(test.value() == kExpectedValue);
}
TEST(Metadata, EncodedValue_Overflow) {
constexpr size_t kExpectedLevel = 144;
constexpr Metadata test = Metadata(kExpectedLevel, 0, 0, 0);
static_assert(test.value() == 0);
}
} // namespace
} // namespace pw::log_tokenized