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/*
* Copyright (c) 2016, 2024, 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.
*/
#include "precompiled.hpp"
#include "jvm.h"
#include "logging/logLevel.hpp"
#include "logging/logSelectionList.hpp"
#include "logging/logTagSet.hpp"
#include "utilities/globalDefinitions.hpp"
#include "logTestUtils.inline.hpp"
#include "unittest.hpp"
TEST(LogSelectionList, combination_limit) {
size_t max_combinations = LogSelectionList::MaxSelections;
EXPECT_GT(max_combinations, LogTagSet::ntagsets())
<< "Combination limit not sufficient for configuring all available tag sets";
}
TEST(LogSelectionList, parse) {
char buf[256];
const char* valid_expression[] = {
"logging=off,all", "gc,logging", "logging+gc", "logging+gc,gc", "gc=trace,logging=info",
"logging+gc=trace,gc+logging=warning,logging", "gc,all=info"
};
// Verify valid expressions parse without problems
for (size_t i = 0; i < ARRAY_SIZE(valid_expression); i++) {
LogSelectionList expr;
EXPECT_TRUE(expr.parse(valid_expression[i])) << "Valid expression '" << valid_expression[i] << "' did not parse";
}
// Verify invalid expressions do not parse
for (size_t i = 0; i < ARRAY_SIZE(valid_expression); i++) {
for (size_t j = 0; j < ARRAY_SIZE(invalid_selection_substr); j++) {
// Prefix with invalid substr
LogSelectionList expr;
jio_snprintf(buf, sizeof(buf), "%s%s", invalid_selection_substr[j], valid_expression[i]);
EXPECT_FALSE(expr.parse(buf)) << "'" << buf << "'" << " considered legal";
// Suffix with invalid substr
LogSelectionList expr1;
jio_snprintf(buf, sizeof(buf), "%s%s", valid_expression[i], invalid_selection_substr[j]);
EXPECT_FALSE(expr1.parse(buf)) << "'" << buf << "'" << " considered legal";
// Use only the invalid substr
LogSelectionList expr2;
EXPECT_FALSE(expr2.parse(invalid_selection_substr[j])) << "'" << invalid_selection_substr[j] << "'" << " considered legal";
}
// Suffix/prefix with some unique invalid prefixes/suffixes
LogSelectionList expr;
jio_snprintf(buf, sizeof(buf), "*%s", valid_expression[i]);
EXPECT_FALSE(expr.parse(buf)) << "'" << buf << "'" << " considered legal";
LogSelectionList expr1;
jio_snprintf(buf, sizeof(buf), "logging*%s", valid_expression[i]);
EXPECT_FALSE(expr1.parse(buf)) << "'" << buf << "'" << " considered legal";
}
}
// Test the level_for() function for an empty expression
TEST(LogSelectionList, level_for_empty) {
LogSelectionList emptyexpr;
ASSERT_TRUE(emptyexpr.parse(""));
// All tagsets should be unspecified since the expression doesn't involve any tagset
for (LogTagSet* ts = LogTagSet::first(); ts != nullptr; ts = ts->next()) {
EXPECT_EQ(LogLevel::Unspecified, emptyexpr.level_for(*ts));
}
}
// Test level_for() with an expression that has overlap (last subexpression should be used)
TEST(LogSelectionList, level_for_overlap) {
LogSelectionList overlapexpr;
// The all=warning will be overridden with gc=info and/or logging+safepoint*=trace
ASSERT_TRUE(overlapexpr.parse("all=warning,gc=info,logging+safepoint*=trace"));
for (LogTagSet* ts = LogTagSet::first(); ts != nullptr; ts = ts->next()) {
if (ts->contains(PREFIX_LOG_TAG(gc)) && ts->ntags() == 1) {
EXPECT_EQ(LogLevel::Info, overlapexpr.level_for(*ts));
} else if (ts->contains(PREFIX_LOG_TAG(logging)) && ts->contains(PREFIX_LOG_TAG(safepoint))) {
EXPECT_EQ(LogLevel::Trace, overlapexpr.level_for(*ts));
} else {
EXPECT_EQ(LogLevel::Warning, overlapexpr.level_for(*ts));
}
}
EXPECT_EQ(LogLevel::Warning, overlapexpr.level_for(LogTagSetMapping<LOG_TAGS(class)>::tagset()));
EXPECT_EQ(LogLevel::Info, overlapexpr.level_for(LogTagSetMapping<LOG_TAGS(gc)>::tagset()));
EXPECT_EQ(LogLevel::Trace, overlapexpr.level_for(LogTagSetMapping<LOG_TAGS(logging, safepoint)>::tagset()));
EXPECT_EQ(LogLevel::Trace,
overlapexpr.level_for(LogTagSetMapping<LOG_TAGS(logging, gc, class, safepoint, heap)>::tagset()));
}
// Test level_for() with an expression containing two independent subexpressions
TEST(LogSelectionList, level_for_disjoint) {
LogSelectionList reducedexpr;
ASSERT_TRUE(reducedexpr.parse("gc+logging=trace,class*=error"));
EXPECT_EQ(LogLevel::Error, reducedexpr.level_for(LogTagSetMapping<LOG_TAGS(class)>::tagset()));
EXPECT_EQ(LogLevel::Error, reducedexpr.level_for(LogTagSetMapping<LOG_TAGS(safepoint, class)>::tagset()));
EXPECT_EQ(LogLevel::NotMentioned, reducedexpr.level_for(LogTagSetMapping<LOG_TAGS(safepoint)>::tagset()));
EXPECT_EQ(LogLevel::NotMentioned, reducedexpr.level_for(LogTagSetMapping<LOG_TAGS(logging)>::tagset()));
EXPECT_EQ(LogLevel::NotMentioned, reducedexpr.level_for(LogTagSetMapping<LOG_TAGS(gc)>::tagset()));
EXPECT_EQ(LogLevel::Trace, reducedexpr.level_for(LogTagSetMapping<LOG_TAGS(logging, gc)>::tagset()));
}
// Test level_for() with an expression that is completely overridden in the last part of the expression
TEST(LogSelectionList, level_for_override) {
LogSelectionList overrideexpr;
// No matter what, everything should be set to error level because of the last part
ASSERT_TRUE(overrideexpr.parse("logging,gc*=trace,all=error"));
EXPECT_EQ(LogLevel::Error, overrideexpr.level_for(LogTagSetMapping<LOG_TAGS(class)>::tagset()));
EXPECT_EQ(LogLevel::Error, overrideexpr.level_for(LogTagSetMapping<LOG_TAGS(logging)>::tagset()));
EXPECT_EQ(LogLevel::Error, overrideexpr.level_for(LogTagSetMapping<LOG_TAGS(gc)>::tagset()));
EXPECT_EQ(LogLevel::Error, overrideexpr.level_for(LogTagSetMapping<LOG_TAGS(logging, gc)>::tagset()));
}
// Test level_for() with a mixed expression with a bit of everything
TEST(LogSelectionList, level_for_mixed) {
LogSelectionList mixedexpr;
ASSERT_TRUE(mixedexpr.parse("all=warning,gc*=debug,gc=trace,safepoint*=off"));
EXPECT_EQ(LogLevel::Warning, mixedexpr.level_for(LogTagSetMapping<LOG_TAGS(logging)>::tagset()));
EXPECT_EQ(LogLevel::Warning, mixedexpr.level_for(LogTagSetMapping<LOG_TAGS(logging, class)>::tagset()));
EXPECT_EQ(LogLevel::Debug, mixedexpr.level_for(LogTagSetMapping<LOG_TAGS(gc, class)>::tagset()));
EXPECT_EQ(LogLevel::Off, mixedexpr.level_for(LogTagSetMapping<LOG_TAGS(gc, safepoint, logging)>::tagset()));
EXPECT_EQ(LogLevel::Off, mixedexpr.level_for(LogTagSetMapping<LOG_TAGS(safepoint)>::tagset()));
EXPECT_EQ(LogLevel::Debug, mixedexpr.level_for(LogTagSetMapping<LOG_TAGS(logging, gc)>::tagset()));
EXPECT_EQ(LogLevel::Trace, mixedexpr.level_for(LogTagSetMapping<LOG_TAGS(gc)>::tagset()));
}
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