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authorBaligh Uddin <baligh@google.com>2020-10-08 23:17:52 +0000
committerBaligh Uddin <baligh@google.com>2020-10-08 23:17:52 +0000
commitd2c21a10d30e64a67ad9ccdbef4a551c3ec6aac4 (patch)
tree8104fbd8310d76d1a2d5cc95c270f0e9aa947c24 /logd/SerializedLogChunkTest.cpp
parent83e9bc346a90c77c28d68d7d0e969864dbc7c69b (diff)
Remove liblog, logcat, logd, logwrapper
These subdirectories have moved to platform/system/logging. BUG: 168791309 Test: Local build + TH Change-Id: Iaee2ff59d4450f3e59dc9ea8b0e257b2de53e478
Diffstat (limited to 'logd/SerializedLogChunkTest.cpp')
-rw-r--r--logd/SerializedLogChunkTest.cpp303
1 files changed, 0 insertions, 303 deletions
diff --git a/logd/SerializedLogChunkTest.cpp b/logd/SerializedLogChunkTest.cpp
deleted file mode 100644
index 862c3fe31..000000000
--- a/logd/SerializedLogChunkTest.cpp
+++ /dev/null
@@ -1,303 +0,0 @@
-/*
- * Copyright (C) 2020 The Android Open Source Project
- *
- * 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
- *
- * http://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 "SerializedLogChunk.h"
-
-#include <limits>
-
-#include <android-base/stringprintf.h>
-#include <android/log.h>
-#include <gtest/gtest.h>
-
-using android::base::StringPrintf;
-
-TEST(SerializedLogChunk, smoke) {
- size_t chunk_size = 10 * 4096;
- auto chunk = SerializedLogChunk{chunk_size};
- EXPECT_EQ(chunk_size + sizeof(SerializedLogChunk), chunk.PruneSize());
-
- static const char log_message[] = "log message";
- size_t expected_total_len = sizeof(SerializedLogEntry) + sizeof(log_message);
- ASSERT_TRUE(chunk.CanLog(expected_total_len));
- EXPECT_TRUE(chunk.CanLog(chunk_size));
- EXPECT_FALSE(chunk.CanLog(chunk_size + 1));
-
- log_time time(CLOCK_REALTIME);
- auto* entry = chunk.Log(1234, time, 0, 1, 2, log_message, sizeof(log_message));
- ASSERT_NE(nullptr, entry);
-
- EXPECT_EQ(1234U, entry->sequence());
- EXPECT_EQ(time, entry->realtime());
- EXPECT_EQ(0U, entry->uid());
- EXPECT_EQ(1, entry->pid());
- EXPECT_EQ(2, entry->tid());
- EXPECT_EQ(sizeof(log_message), entry->msg_len());
- EXPECT_STREQ(log_message, entry->msg());
- EXPECT_EQ(expected_total_len, entry->total_len());
-
- EXPECT_FALSE(chunk.CanLog(chunk_size));
- EXPECT_EQ(static_cast<int>(expected_total_len), chunk.write_offset());
- EXPECT_EQ(1234U, chunk.highest_sequence_number());
-}
-
-TEST(SerializedLogChunk, fill_log_exactly) {
- static const char log_message[] = "this is a log message";
- size_t individual_message_size = sizeof(SerializedLogEntry) + sizeof(log_message);
- size_t chunk_size = individual_message_size * 3;
- auto chunk = SerializedLogChunk{chunk_size};
- EXPECT_EQ(chunk_size + sizeof(SerializedLogChunk), chunk.PruneSize());
-
- ASSERT_TRUE(chunk.CanLog(individual_message_size));
- EXPECT_NE(nullptr, chunk.Log(1, log_time(), 1000, 1, 1, log_message, sizeof(log_message)));
-
- ASSERT_TRUE(chunk.CanLog(individual_message_size));
- EXPECT_NE(nullptr, chunk.Log(2, log_time(), 1000, 2, 1, log_message, sizeof(log_message)));
-
- ASSERT_TRUE(chunk.CanLog(individual_message_size));
- EXPECT_NE(nullptr, chunk.Log(3, log_time(), 1000, 3, 1, log_message, sizeof(log_message)));
-
- EXPECT_FALSE(chunk.CanLog(1));
-}
-
-TEST(SerializedLogChunk, three_logs) {
- size_t chunk_size = 10 * 4096;
- auto chunk = SerializedLogChunk{chunk_size};
-
- chunk.Log(2, log_time(0x1234, 0x5678), 0x111, 0x222, 0x333, "initial message",
- strlen("initial message"));
- chunk.Log(3, log_time(0x2345, 0x6789), 0x444, 0x555, 0x666, "second message",
- strlen("second message"));
- auto uint64_t_max = std::numeric_limits<uint64_t>::max();
- auto uint32_t_max = std::numeric_limits<uint32_t>::max();
- chunk.Log(uint64_t_max, log_time(uint32_t_max, uint32_t_max), uint32_t_max, uint32_t_max,
- uint32_t_max, "last message", strlen("last message"));
-
- static const char expected_buffer_data[] =
- "\x11\x01\x00\x00\x22\x02\x00\x00\x33\x03\x00\x00" // UID PID TID
- "\x02\x00\x00\x00\x00\x00\x00\x00" // Sequence
- "\x34\x12\x00\x00\x78\x56\x00\x00" // Timestamp
- "\x0F\x00initial message" // msg_len + message
- "\x44\x04\x00\x00\x55\x05\x00\x00\x66\x06\x00\x00" // UID PID TID
- "\x03\x00\x00\x00\x00\x00\x00\x00" // Sequence
- "\x45\x23\x00\x00\x89\x67\x00\x00" // Timestamp
- "\x0E\x00second message" // msg_len + message
- "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF" // UID PID TID
- "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF" // Sequence
- "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF" // Timestamp
- "\x0C\x00last message"; // msg_len + message
-
- for (size_t i = 0; i < sizeof(expected_buffer_data); ++i) {
- EXPECT_EQ(static_cast<uint8_t>(expected_buffer_data[i]), chunk.data()[i])
- << "position: " << i;
- }
-}
-
-// Check that the CHECK() in DecReaderRefCount() if the ref count goes bad is caught.
-TEST(SerializedLogChunk, catch_DecCompressedRef_CHECK) {
- size_t chunk_size = 10 * 4096;
- auto chunk = SerializedLogChunk{chunk_size};
- EXPECT_DEATH({ chunk.DecReaderRefCount(); }, "");
-}
-
-// Check that the CHECK() in ClearUidLogs() if the ref count is greater than 0 is caught.
-TEST(SerializedLogChunk, catch_ClearUidLogs_CHECK) {
- size_t chunk_size = 10 * 4096;
- auto chunk = SerializedLogChunk{chunk_size};
- chunk.IncReaderRefCount();
- EXPECT_DEATH({ chunk.ClearUidLogs(1000, LOG_ID_MAIN, nullptr); }, "");
- chunk.DecReaderRefCount();
-}
-
-class UidClearTest : public testing::TestWithParam<bool> {
- protected:
- template <typename Write, typename Check>
- void Test(const Write& write, const Check& check, bool expected_result) {
- write(chunk_);
-
- bool finish_writing = GetParam();
- if (finish_writing) {
- chunk_.FinishWriting();
- }
- EXPECT_EQ(expected_result, chunk_.ClearUidLogs(kUidToClear, LOG_ID_MAIN, nullptr));
- if (finish_writing) {
- chunk_.IncReaderRefCount();
- }
-
- check(chunk_);
-
- if (finish_writing) {
- chunk_.DecReaderRefCount();
- }
- }
-
- static constexpr size_t kChunkSize = 10 * 4096;
- static constexpr uid_t kUidToClear = 1000;
- static constexpr uid_t kOtherUid = 1234;
-
- SerializedLogChunk chunk_{kChunkSize};
-};
-
-// Test that ClearUidLogs() is a no-op if there are no logs of that UID in the buffer.
-TEST_P(UidClearTest, no_logs_in_chunk) {
- auto write = [](SerializedLogChunk&) {};
- auto check = [](SerializedLogChunk&) {};
-
- Test(write, check, true);
-}
-
-// Test that ClearUidLogs() is a no-op if there are no logs of that UID in the buffer.
-TEST_P(UidClearTest, no_logs_from_uid) {
- static const char msg[] = "this is a log message";
- auto write = [](SerializedLogChunk& chunk) {
- chunk.Log(1, log_time(), kOtherUid, 1, 2, msg, sizeof(msg));
- };
-
- auto check = [](SerializedLogChunk& chunk) {
- auto* entry = chunk.log_entry(0);
- EXPECT_STREQ(msg, entry->msg());
- };
-
- Test(write, check, false);
-}
-
-// Test that ClearUidLogs() returns true if all logs in a given buffer correspond to the given UID.
-TEST_P(UidClearTest, all_single) {
- static const char msg[] = "this is a log message";
- auto write = [](SerializedLogChunk& chunk) {
- chunk.Log(1, log_time(), kUidToClear, 1, 2, msg, sizeof(msg));
- };
- auto check = [](SerializedLogChunk&) {};
-
- Test(write, check, true);
-}
-
-// Test that ClearUidLogs() returns true if all logs in a given buffer correspond to the given UID.
-TEST_P(UidClearTest, all_multiple) {
- static const char msg[] = "this is a log message";
- auto write = [](SerializedLogChunk& chunk) {
- chunk.Log(2, log_time(), kUidToClear, 1, 2, msg, sizeof(msg));
- chunk.Log(3, log_time(), kUidToClear, 1, 2, msg, sizeof(msg));
- chunk.Log(4, log_time(), kUidToClear, 1, 2, msg, sizeof(msg));
- };
- auto check = [](SerializedLogChunk&) {};
-
- Test(write, check, true);
-}
-
-static std::string MakePrintable(const uint8_t* in, size_t length) {
- std::string result;
- for (size_t i = 0; i < length; ++i) {
- uint8_t c = in[i];
- if (isprint(c)) {
- result.push_back(c);
- } else {
- result.append(StringPrintf("\\%02x", static_cast<int>(c) & 0xFF));
- }
- }
- return result;
-}
-
-// This test clears UID logs at the beginning and end of the buffer, as well as two back to back
-// logs in the interior.
-TEST_P(UidClearTest, clear_beginning_and_end) {
- static const char msg1[] = "this is a log message";
- static const char msg2[] = "non-cleared message";
- static const char msg3[] = "back to back cleared messages";
- static const char msg4[] = "second in a row gone";
- static const char msg5[] = "but we save this one";
- static const char msg6[] = "and this 1!";
- static const char msg7[] = "the last one goes too";
- auto write = [](SerializedLogChunk& chunk) {
- ASSERT_NE(nullptr, chunk.Log(1, log_time(), kUidToClear, 1, 2, msg1, sizeof(msg1)));
- ASSERT_NE(nullptr, chunk.Log(2, log_time(), kOtherUid, 1, 2, msg2, sizeof(msg2)));
- ASSERT_NE(nullptr, chunk.Log(3, log_time(), kUidToClear, 1, 2, msg3, sizeof(msg3)));
- ASSERT_NE(nullptr, chunk.Log(4, log_time(), kUidToClear, 1, 2, msg4, sizeof(msg4)));
- ASSERT_NE(nullptr, chunk.Log(5, log_time(), kOtherUid, 1, 2, msg5, sizeof(msg5)));
- ASSERT_NE(nullptr, chunk.Log(6, log_time(), kOtherUid, 1, 2, msg6, sizeof(msg6)));
- ASSERT_NE(nullptr, chunk.Log(7, log_time(), kUidToClear, 1, 2, msg7, sizeof(msg7)));
- };
-
- auto check = [](SerializedLogChunk& chunk) {
- size_t read_offset = 0;
- auto* entry = chunk.log_entry(read_offset);
- EXPECT_STREQ(msg2, entry->msg());
- read_offset += entry->total_len();
-
- entry = chunk.log_entry(read_offset);
- EXPECT_STREQ(msg5, entry->msg());
- read_offset += entry->total_len();
-
- entry = chunk.log_entry(read_offset);
- EXPECT_STREQ(msg6, entry->msg()) << MakePrintable(chunk.data(), chunk.write_offset());
- read_offset += entry->total_len();
-
- EXPECT_EQ(static_cast<int>(read_offset), chunk.write_offset());
- };
- Test(write, check, false);
-}
-
-// This tests the opposite case of beginning_and_end, in which we don't clear the beginning or end
-// logs. There is a single log pruned in the middle instead of back to back logs.
-TEST_P(UidClearTest, save_beginning_and_end) {
- static const char msg1[] = "saved first message";
- static const char msg2[] = "cleared interior message";
- static const char msg3[] = "last message stays";
- auto write = [](SerializedLogChunk& chunk) {
- ASSERT_NE(nullptr, chunk.Log(1, log_time(), kOtherUid, 1, 2, msg1, sizeof(msg1)));
- ASSERT_NE(nullptr, chunk.Log(2, log_time(), kUidToClear, 1, 2, msg2, sizeof(msg2)));
- ASSERT_NE(nullptr, chunk.Log(3, log_time(), kOtherUid, 1, 2, msg3, sizeof(msg3)));
- };
-
- auto check = [](SerializedLogChunk& chunk) {
- size_t read_offset = 0;
- auto* entry = chunk.log_entry(read_offset);
- EXPECT_STREQ(msg1, entry->msg());
- read_offset += entry->total_len();
-
- entry = chunk.log_entry(read_offset);
- EXPECT_STREQ(msg3, entry->msg());
- read_offset += entry->total_len();
-
- EXPECT_EQ(static_cast<int>(read_offset), chunk.write_offset());
- };
- Test(write, check, false);
-}
-
-INSTANTIATE_TEST_CASE_P(UidClearTests, UidClearTest, testing::Values(true, false));
-
-// b/166187079: ClearUidLogs() should not compress the log if writer_active_ is true
-TEST(SerializedLogChunk, ClearUidLogs_then_FinishWriting) {
- static constexpr size_t kChunkSize = 10 * 4096;
- static constexpr uid_t kUidToClear = 1000;
- static constexpr uid_t kOtherUid = 1234;
-
- SerializedLogChunk chunk{kChunkSize};
- static const char msg1[] = "saved first message";
- static const char msg2[] = "cleared interior message";
- static const char msg3[] = "last message stays";
- ASSERT_NE(nullptr, chunk.Log(1, log_time(), kOtherUid, 1, 2, msg1, sizeof(msg1)));
- ASSERT_NE(nullptr, chunk.Log(2, log_time(), kUidToClear, 1, 2, msg2, sizeof(msg2)));
- ASSERT_NE(nullptr, chunk.Log(3, log_time(), kOtherUid, 1, 2, msg3, sizeof(msg3)));
-
- chunk.ClearUidLogs(kUidToClear, LOG_ID_MAIN, nullptr);
-
- ASSERT_NE(nullptr, chunk.Log(4, log_time(), kOtherUid, 1, 2, msg3, sizeof(msg3)));
-
- chunk.FinishWriting();
- // The next line would violate a CHECK() during decompression with the faulty code.
- chunk.IncReaderRefCount();
- chunk.DecReaderRefCount();
-}