161 lines
4.6 KiB
C++
161 lines
4.6 KiB
C++
/*
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* Copyright (c) 2015, 2024, 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 "gc/shared/gcTraceTime.inline.hpp"
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#include "jvm.h"
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#include "logging/log.hpp"
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#include "logTestFixture.hpp"
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#include "logTestUtils.inline.hpp"
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#include "unittest.hpp"
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class LogTest : public LogTestFixture {
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};
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#define LOG_PREFIX_STR "THE_PREFIX "
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#define LOG_LINE_STR "a log line"
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size_t Test_log_prefix_prefixer(char* buf, size_t len) {
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int ret = jio_snprintf(buf, len, LOG_PREFIX_STR);
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assert(ret > 0, "Failed to print prefix. Log buffer too small?");
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return (size_t) ret;
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}
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#ifdef ASSERT // 'test' tag is debug only
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TEST_VM_F(LogTest, prefix) {
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set_log_config(TestLogFileName, "logging+test=trace");
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log_trace(logging, test)(LOG_LINE_STR);
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EXPECT_TRUE(file_contains_substring(TestLogFileName, LOG_PREFIX_STR LOG_LINE_STR));
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}
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#endif
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TEST_VM_F(LogTest, large_message) {
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char big_msg[4096] = {0};
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char Xchar = '~';
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set_log_config(TestLogFileName, "logging=trace");
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memset(big_msg, Xchar, sizeof(big_msg) - 1);
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log_trace(logging)("%s", big_msg);
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AsyncLogWriter::flush();
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ResourceMark rm;
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FILE* fp = os::fopen(TestLogFileName, "r");
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ASSERT_NE(nullptr, fp);
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char* output = read_line(fp);
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fclose(fp);
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size_t count = 0;
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for (size_t ps = 0 ; output[ps + count] != '\0'; output[ps + count] == Xchar ? count++ : ps++);
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EXPECT_EQ(sizeof(big_msg) - 1, count);
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}
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TEST_VM_F(LogTest, enabled_logtarget) {
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set_log_config(TestLogFileName, "gc=debug");
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LogTarget(Debug, gc) log;
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EXPECT_TRUE(log.is_enabled());
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// Log the line and expect it to be available in the output file.
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log.print(LOG_TEST_STRING_LITERAL);
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EXPECT_TRUE(file_contains_substring(TestLogFileName, LOG_TEST_STRING_LITERAL));
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}
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TEST_VM_F(LogTest, disabled_logtarget) {
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set_log_config(TestLogFileName, "gc=info");
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LogTarget(Debug, gc) log;
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EXPECT_FALSE(log.is_enabled());
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// Try to log, but expect this to be filtered out.
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log.print(LOG_TEST_STRING_LITERAL);
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// Log a dummy line so that fgets doesn't return nullptr because the file is empty.
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log_info(gc)("Dummy line");
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EXPECT_FALSE(file_contains_substring(TestLogFileName, LOG_TEST_STRING_LITERAL));
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}
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TEST_VM_F(LogTest, enabled_loghandle) {
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set_log_config(TestLogFileName, "gc=debug");
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Log(gc) log;
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LogHandle log_handle(log);
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EXPECT_TRUE(log_handle.is_debug());
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// Try to log through a LogHandle.
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log_handle.debug("%d workers", 3);
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EXPECT_TRUE(file_contains_substring(TestLogFileName, "3 workers"));
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}
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TEST_VM_F(LogTest, disabled_loghandle) {
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set_log_config(TestLogFileName, "gc=info");
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Log(gc) log;
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LogHandle log_handle(log);
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EXPECT_FALSE(log_handle.is_debug());
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// Try to log through a LogHandle.
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log_handle.debug("%d workers", 3);
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// Log a dummy line so that fgets doesn't return nullptr because the file is empty.
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log_info(gc)("Dummy line");
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EXPECT_FALSE(file_contains_substring(TestLogFileName, "3 workers"));
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}
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TEST_VM_F(LogTest, enabled_logtargethandle) {
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set_log_config(TestLogFileName, "gc=debug");
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LogTarget(Debug, gc) log;
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LogTargetHandle log_handle(log);
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EXPECT_TRUE(log_handle.is_enabled());
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// Try to log through a LogHandle.
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log_handle.print("%d workers", 3);
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EXPECT_TRUE(file_contains_substring(TestLogFileName, "3 workers"));
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}
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TEST_VM_F(LogTest, disabled_logtargethandle) {
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set_log_config(TestLogFileName, "gc=info");
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LogTarget(Debug, gc) log;
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LogTargetHandle log_handle(log);
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EXPECT_FALSE(log_handle.is_enabled());
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// Try to log through a LogHandle.
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log_handle.print("%d workers", 3);
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// Log a dummy line so that fgets doesn't return nullptr because the file is empty.
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log_info(gc)("Dummy line");
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EXPECT_FALSE(file_contains_substring(TestLogFileName, "3 workers"));
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}
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