/* * Copyright (c) 2016, 2022, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions.
*/
// Count the outputs in the given list, starting from the specified level static size_t output_count(LogOutputList* list, LogLevelType from = LogLevel::Error) {
size_t count = 0; for (LogOutputList::Iterator it = list->iterator(from); it != list->end(); it++) {
count++;
} return count;
}
// Get the level for an output in the given list static LogLevelType find_output_level(LogOutputList* list, LogOutput* o) { for (size_t levelnum = 1; levelnum < LogLevel::Count; levelnum++) {
LogLevelType level = static_cast<LogLevelType>(levelnum); for (LogOutputList::Iterator it = list->iterator(level); it != list->end(); it++) { if (*it == o) { return level;
}
}
} return LogLevel::Off;
}
// Create a dummy output pointer with the specified id. // This dummy pointer should not be used for anything // but pointer comparisons with other dummies. static LogOutput* dummy_output(size_t id) { returnreinterpret_cast<LogOutput*>(id + 1);
}
// Randomly update and verify some outputs some number of times
TEST(LogOutputList, set_output_level_update) { const size_t TestOutputCount = 10; const size_t TestIterations = 10000;
LogOutputList list;
size_t outputs_on_level[LogLevel::Count];
LogLevelType expected_level_for_output[TestOutputCount];
os::init_random(0x4711); for (size_t i = 0; i < LogLevel::Count; i++) {
outputs_on_level[i] = 0;
}
outputs_on_level[LogLevel::Off] = TestOutputCount; for (size_t i = 0; i < TestOutputCount; i++) {
expected_level_for_output[i] = LogLevel::Off;
}
// Update the expectations
outputs_on_level[expected_level_for_output[output_idx]]--;
outputs_on_level[levelnum]++;
expected_level_for_output[output_idx] = level;
// Update the actual list
list.set_output_level(dummy_output(output_idx), level);
// Verify expected levels for (size_t i = 0; i < TestOutputCount; i++) {
ASSERT_EQ(expected_level_for_output[i], find_output_level(&list, dummy_output(i)));
} // Verify output counts
size_t expected_count = 0; for (size_t i = 1; i < LogLevel::Count; i++) {
expected_count += outputs_on_level[i];
ASSERT_EQ(expected_count, output_count(&list, static_cast<LogLevelType>(i)));
}
ASSERT_EQ(TestOutputCount, expected_count + outputs_on_level[LogLevel::Off]);
}
}
// Test removing outputs from a LogOutputList
TEST(LogOutputList, set_output_level_remove) {
LogOutputList list;
// Add three dummy outputs per loglevel for (size_t i = 1; i < LogLevel::Count; i++) {
list.set_output_level(dummy_output(i), static_cast<LogLevelType>(i));
list.set_output_level(dummy_output(i*10), static_cast<LogLevelType>(i));
list.set_output_level(dummy_output(i*100), static_cast<LogLevelType>(i));
}
// Verify that they have been added successfully // (Count - 1 since we don't count LogLevel::Off)
EXPECT_EQ(3u * (LogLevel::Count - 1), output_count(&list)); // Now remove the second output from each loglevel for (size_t i = 1; i < LogLevel::Count; i++) {
list.set_output_level(dummy_output(i*10), LogLevel::Off);
} // Make sure they have been successfully removed
EXPECT_EQ(2u * (LogLevel::Count - 1), output_count(&list));
// Now remove the remaining outputs for (size_t i = 1; i < LogLevel::Count; i++) {
list.set_output_level(dummy_output(i), LogLevel::Off);
list.set_output_level(dummy_output(i*100), LogLevel::Off);
}
EXPECT_EQ(0u, output_count(&list));
}
// Test adding to a LogOutputList
TEST(LogOutputList, set_output_level_add) {
LogOutputList list;
// First add 5 outputs to Info level for (size_t i = 10; i < 15; i++) {
list.set_output_level(dummy_output(i), LogLevel::Info);
}
// Verify that they have been added successfully
size_t count = 0; for (LogOutputList::Iterator it = list.iterator(); it != list.end(); it++) {
ASSERT_EQ(dummy_output(10 + count++), *it);
}
ASSERT_EQ(5u, count);
// Now add more outputs, but on all different levels for (size_t i = 5; i < 10; i++) {
list.set_output_level(dummy_output(i), LogLevel::Warning);
} for (size_t i = 0; i < 5; i++) {
list.set_output_level(dummy_output(i), LogLevel::Error);
} for (size_t i = 15; i < 20; i++) {
list.set_output_level(dummy_output(i), LogLevel::Debug);
} for (size_t i = 20; i < 25; i++) {
list.set_output_level(dummy_output(i), LogLevel::Trace);
}
// Verify that that all outputs have been added, and that the order is Error, Warning, Info, Debug, Trace
count = 0; for (LogOutputList::Iterator it = list.iterator(); it != list.end(); it++) {
ASSERT_EQ(dummy_output(count++), *it);
}
ASSERT_EQ(25u, count);
}
// Test is_level() on lists with a single output on different levels
TEST(LogOutputList, is_level_single_output) { for (size_t i = LogLevel::First; i < LogLevel::Count; i++) {
LogLevelType level = static_cast<LogLevelType>(i);
LogOutputList list;
list.set_output_level(StdoutLog, level); for (size_t j = LogLevel::First; j < LogLevel::Count; j++) {
LogLevelType other = static_cast<LogLevelType>(j); // Verify that levels finer than the current level for stdout are reported as disabled, // and levels equal to or included in the current level are reported as enabled if (other >= level) {
EXPECT_TRUE(list.is_level(other))
<< LogLevel::name(other) << " >= " << LogLevel::name(level) << " but is_level() returns false";
} else {
EXPECT_FALSE(list.is_level(other))
<< LogLevel::name(other) << " < " << LogLevel::name(level) << " but is_level() returns true";
}
}
}
}
// Test is_level() with an empty list
TEST(LogOutputList, is_level_empty) {
LogOutputList emptylist; for (size_t i = LogLevel::First; i < LogLevel::Count; i++) {
LogLevelType other = static_cast<LogLevelType>(i);
EXPECT_FALSE(emptylist.is_level(other)) << "is_level() returns true even though the list is empty";
}
}
// Test is_level() on lists with two outputs on different levels
TEST(LogOutputList, is_level_multiple_outputs) { for (size_t i = LogLevel::First; i < LogLevel::Count - 1; i++) {
LogOutput* dummy1 = StdoutLog;
LogOutput* dummy2 = StderrLog;
LogLevelType first = static_cast<LogLevelType>(i);
LogLevelType second = static_cast<LogLevelType>(i + 1);
LogOutputList list;
list.set_output_level(dummy1, first);
list.set_output_level(dummy2, second); for (size_t j = LogLevel::First; j < LogLevel::Count; j++) {
LogLevelType other = static_cast<LogLevelType>(j); // The first output's level will be the finest, expect it's level to be reported by the list if (other >= first) {
EXPECT_TRUE(list.is_level(other))
<< LogLevel::name(other) << " >= " << LogLevel::name(first) << " but is_level() returns false";
} else {
EXPECT_FALSE(list.is_level(other))
<< LogLevel::name(other) << " < " << LogLevel::name(first) << " but is_level() returns true";
}
}
}
}
// Ask the empty list about stdout, stderr
EXPECT_EQ(LogLevel::Off, list.level_for(StdoutLog));
EXPECT_EQ(LogLevel::Off, list.level_for(StderrLog));
// Ask for level in a list with two outputs on different levels
list.set_output_level(StdoutLog, LogLevel::Info);
list.set_output_level(StderrLog, LogLevel::Trace);
EXPECT_EQ(LogLevel::Info, list.level_for(StdoutLog));
EXPECT_EQ(LogLevel::Trace, list.level_for(StderrLog));
// Remove and ask again
list.set_output_level(StdoutLog, LogLevel::Off);
EXPECT_EQ(LogLevel::Off, list.level_for(StdoutLog));
EXPECT_EQ(LogLevel::Trace, list.level_for(StderrLog));
// Ask about an unknown output
LogOutput* dummy = dummy_output(4711);
EXPECT_EQ(LogLevel::Off, list.level_for(dummy));
for (size_t i = LogLevel::First; i <= LogLevel::Last; i++) {
LogLevelType level = static_cast<LogLevelType>(i);
list.set_output_level(dummy, level);
EXPECT_EQ(level, list.level_for(dummy));
}
// Make sure the stderr level is still the same
EXPECT_EQ(LogLevel::Trace, list.level_for(StderrLog));
}
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