view test/hotspot/gtest/gc/g1/test_g1Analytics.cpp @ 48207:cd8f5f780750

8182284: G1Analytics uses uninitialized fields Reviewed-by: tschatzl, sjohanss
author ehelin
date Tue, 21 Nov 2017 08:33:54 +0100
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/*
 * Copyright (c) 2017, 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
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 */

#include "precompiled.hpp"
#include "gc/g1/g1Predictions.hpp"
#include "gc/g1/g1Analytics.hpp"
#include "unittest.hpp"

TEST_VM(G1Analytics, is_initialized) {
  G1Predictions p(0.888888); // the actual sigma value doesn't matter
  G1Analytics a(&p);
  ASSERT_EQ(a.recent_avg_pause_time_ratio(), 0.0);
  ASSERT_EQ(a.last_pause_time_ratio(), 0.0);
}