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