--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/native/logging/test_logOutputList.cpp Thu Jul 14 09:52:03 2016 +0200
@@ -0,0 +1,255 @@
+/*
+ * Copyright (c) 2016, 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 "logging/logLevel.hpp"
+#include "logging/logOutput.hpp"
+#include "logging/logOutputList.hpp"
+#include "runtime/os.hpp"
+#include "unittest.hpp"
+
+// 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) {
+ return reinterpret_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;
+ }
+
+ for (size_t iteration = 0; iteration < TestIterations; iteration++) {
+ size_t output_idx = os::random() % TestOutputCount;
+ size_t levelnum = os::random() % LogLevel::Count;
+ LogLevelType level = static_cast<LogLevelType>(levelnum);
+
+ // 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(LogOutput::Stdout, 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 = LogOutput::Stdout;
+ LogOutput* dummy2 = LogOutput::Stderr;
+ 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";
+ }
+ }
+ }
+}
+
+TEST(LogOutputList, level_for) {
+ LogOutputList list;
+
+ // Ask the empty list about stdout, stderr
+ EXPECT_EQ(LogLevel::Off, list.level_for(LogOutput::Stdout));
+ EXPECT_EQ(LogLevel::Off, list.level_for(LogOutput::Stderr));
+
+ // Ask for level in a list with two outputs on different levels
+ list.set_output_level(LogOutput::Stdout, LogLevel::Info);
+ list.set_output_level(LogOutput::Stderr, LogLevel::Trace);
+ EXPECT_EQ(LogLevel::Info, list.level_for(LogOutput::Stdout));
+ EXPECT_EQ(LogLevel::Trace, list.level_for(LogOutput::Stderr));
+
+ // Remove and ask again
+ list.set_output_level(LogOutput::Stdout, LogLevel::Off);
+ EXPECT_EQ(LogLevel::Off, list.level_for(LogOutput::Stdout));
+ EXPECT_EQ(LogLevel::Trace, list.level_for(LogOutput::Stderr));
+
+ // 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(LogOutput::Stderr));
+}