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/*
* Copyright (c) 2016, 2018, 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/logSelection.hpp"
#include "logging/logTagSet.hpp"
#include "utilities/globalDefinitions.hpp"
#include "utilities/ostream.hpp"
#include "logTestUtils.inline.hpp"
#include "unittest.hpp"
// These tests can only run in debug VMs because they rely on the (debug-only) LogTag::_test
#ifdef ASSERT
#define NON_EXISTING_TAG_SET "logging+test+start+exit+safepoint"
// let google test know how to print LogSelection nicely for better error messages
void PrintTo(const LogSelection& sel, ::std::ostream* os) {
if (sel == LogSelection::Invalid) {
*os << "LogSelection::Invalid";
return;
}
stringStream ss;
sel.describe_on(&ss);
*os << ss.freeze();
}
TEST(LogSelection, sanity) {
LogTagType tags[LogTag::MaxTags] = { PREFIX_LOG_TAG(logging), PREFIX_LOG_TAG(test), PREFIX_LOG_TAG(_NO_TAG) };
LogSelection selection(tags, false, LogLevel::Trace);
EXPECT_EQ(2u, selection.ntags());
EXPECT_EQ(LogLevel::Trace, selection.level());
// Verify that copying the selection also works as expected
LogSelection copy = selection;
EXPECT_EQ(2u, copy.ntags());
EXPECT_EQ(LogLevel::Trace, copy.level());
tags[0] = PREFIX_LOG_TAG(gc);
tags[1] = PREFIX_LOG_TAG(_NO_TAG);
LogSelection copy2(tags, true, LogLevel::Off); // start with a completely different selection
copy2 = selection; // and test copy assignment
EXPECT_EQ(2u, copy2.ntags());
EXPECT_EQ(LogLevel::Trace, copy2.level());
}
TEST(LogSelection, tag_sets_selected) {
LogTagType tags[LogTag::MaxTags] = { PREFIX_LOG_TAG(logging), PREFIX_LOG_TAG(test), PREFIX_LOG_TAG(_NO_TAG) };
LogSelection selection(tags, false, LogLevel::Trace);
EXPECT_EQ(1u, selection.tag_sets_selected()) << "there should be a single (it's not a wildcard selection) "
"tag set selected by this (in gtest libjvm)";
EXPECT_EQ(LogTagSet::ntagsets(), LogSelection::parse("all").tag_sets_selected()) << "all should select every tag set";
EXPECT_EQ(0u, LogSelection::parse(NON_EXISTING_TAG_SET).tag_sets_selected()) <<
"(assuming the tag set doesn't exist) the selection shouldn't select any tag sets";
}
static const char* valid_expression[] = {
"all", "gc", "gc+logging", "logging+gc", "logging+gc*", "gc=trace",
"logging+gc=trace", "logging*", "logging*=info", "gc+logging*=error"
};
TEST(LogSelection, parse) {
LogTagType tags[LogTag::MaxTags] = { PREFIX_LOG_TAG(logging), PREFIX_LOG_TAG(test), PREFIX_LOG_TAG(_NO_TAG) };
LogSelection selection(tags, true, LogLevel::Off);
LogSelection parsed = LogSelection::parse("logging+test*=off");
EXPECT_EQ(selection, parsed) << "parsed selection not equal to programmatically constructed";
// Verify valid expressions parse without problems
for (size_t i = 0; i < ARRAY_SIZE(valid_expression); i++) {
EXPECT_NE(LogSelection::Invalid, LogSelection::parse(valid_expression[i])) <<
"Valid expression '" << valid_expression[i] << "' did not parse";
}
// Test 'all' with each level
for (LogLevelType level = LogLevel::First; level <= LogLevel::Last; level = static_cast<LogLevelType>(level + 1)) {
char buf[64];
int ret = jio_snprintf(buf, sizeof(buf), "all=%s", LogLevel::name(level));
ASSERT_NE(-1, ret);
LogSelection sel = LogSelection::parse(buf);
EXPECT_EQ(LogTagSet::ntagsets(), sel.tag_sets_selected()) << "'all' should select all tag sets";
EXPECT_EQ(level, sel.level());
}
// Test with 5 tags
LogTagType expected_tags[] = { PREFIX_LOG_TAG(logging), PREFIX_LOG_TAG(test), PREFIX_LOG_TAG(start),
PREFIX_LOG_TAG(exit), PREFIX_LOG_TAG(safepoint) };
LogSelection expected(expected_tags, false, LogLevel::Debug);
LogSelection five_tag_selection = LogSelection::parse("logging+test+start+exit+safepoint=debug");
EXPECT_EQ(5u, five_tag_selection.ntags()) << "parsed wrong number of tags";
EXPECT_EQ(expected, five_tag_selection);
EXPECT_EQ(LogLevel::Debug, five_tag_selection.level());
// Test implicit level
selection = LogSelection::parse("logging");
EXPECT_EQ(LogLevel::Unspecified, selection.level()) << "parsed implicit level incorrectly";
EXPECT_EQ(1u, selection.ntags());
}
TEST(LogSelection, parse_invalid) {
// Attempt to parse an expression with too many tags
EXPECT_EQ(LogSelection::Invalid, LogSelection::parse(NON_EXISTING_TAG_SET "+gc"));
// Construct a bunch of invalid expressions and verify that they don't parse
for (size_t i = 0; i < ARRAY_SIZE(valid_expression); i++) {
char buf[256];
for (size_t j = 0; j < ARRAY_SIZE(invalid_selection_substr); j++) {
// Prefix with invalid substr
jio_snprintf(buf, sizeof(buf), "%s%s", invalid_selection_substr[j], valid_expression[i]);
EXPECT_EQ(LogSelection::Invalid, LogSelection::parse(buf)) << "'" << buf << "'" << " considered legal";
// Suffix with invalid substr
jio_snprintf(buf, sizeof(buf), "%s%s", valid_expression[i], invalid_selection_substr[j]);
EXPECT_EQ(LogSelection::Invalid, LogSelection::parse(buf)) << "'" << buf << "'" << " considered legal";
// Use only the invalid substr
EXPECT_EQ(LogSelection::Invalid, LogSelection::parse(invalid_selection_substr[j])) <<
"'" << invalid_selection_substr[j] << "'" << " considered legal";
}
// Suffix/prefix with some unique invalid prefixes/suffixes
jio_snprintf(buf, sizeof(buf), "*%s", valid_expression[i]);
EXPECT_EQ(LogSelection::Invalid, LogSelection::parse(buf)) << "'" << buf << "'" << " considered legal";
jio_snprintf(buf, sizeof(buf), "logging*%s", valid_expression[i]);
EXPECT_EQ(LogSelection::Invalid, LogSelection::parse(buf)) << "'" << buf << "'" << " considered legal";
}
}
TEST(LogSelection, equals) {
LogTagType tags[LogTag::MaxTags] = { PREFIX_LOG_TAG(logging), PREFIX_LOG_TAG(test), PREFIX_LOG_TAG(_NO_TAG) };
LogSelection selection(tags, true, LogLevel::Info);
LogSelection copy(tags, true, LogLevel::Info);
EXPECT_EQ(selection, selection);
EXPECT_EQ(selection, copy);
tags[0] = PREFIX_LOG_TAG(gc);
LogSelection other_tags(tags, true, LogLevel::Info);
EXPECT_NE(selection, other_tags);
tags[0] = PREFIX_LOG_TAG(test);
tags[1] = PREFIX_LOG_TAG(logging);
LogSelection reversed(tags, true, LogLevel::Info);
EXPECT_NE(selection, reversed);
LogSelection no_wildcard(tags, false, LogLevel::Info);
EXPECT_NE(selection, no_wildcard);
LogSelection different_level(tags, true, LogLevel::Warning);
EXPECT_NE(selection, different_level);
tags[2] = PREFIX_LOG_TAG(gc);
tags[3] = PREFIX_LOG_TAG(_NO_TAG);
LogSelection more_tags(tags, true, LogLevel::Info);
EXPECT_NE(selection, more_tags);
tags[1] = PREFIX_LOG_TAG(_NO_TAG);
LogSelection fewer_tags(tags, true, LogLevel::Info);
EXPECT_NE(selection, fewer_tags);
}
TEST(LogSelection, consists_of) {
LogTagType tags[LogTag::MaxTags] = {
PREFIX_LOG_TAG(logging), PREFIX_LOG_TAG(test), PREFIX_LOG_TAG(_NO_TAG)
};
LogSelection s(tags, false, LogLevel::Off);
EXPECT_TRUE(s.consists_of(tags));
tags[2] = PREFIX_LOG_TAG(safepoint);
EXPECT_FALSE(s.consists_of(tags));
s = LogSelection(tags, true, LogLevel::Info);
EXPECT_TRUE(s.consists_of(tags));
}
TEST(LogSelection, describe_tags) {
stringStream ss;
LogTagType tags[LogTag::MaxTags] = { PREFIX_LOG_TAG(logging), PREFIX_LOG_TAG(test), PREFIX_LOG_TAG(_NO_TAG) };
LogSelection selection(tags, true, LogLevel::Off);
selection.describe_tags_on(&ss);
EXPECT_STREQ("logging+test*", ss.freeze());
}
TEST(LogSelection, describe) {
stringStream ss;
LogTagType tags[LogTag::MaxTags] = { PREFIX_LOG_TAG(logging), PREFIX_LOG_TAG(test), PREFIX_LOG_TAG(_NO_TAG) };
LogSelection selection(tags, true, LogLevel::Off);
selection.describe_on(&ss);
EXPECT_STREQ("logging+test*=off", ss.freeze());
}
#endif
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