1 /*
   2  * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "gc/g1/g1Arguments.hpp"
  27 #include "gc/g1/g1HeapVerifier.hpp"
  28 #include "logging/logConfiguration.hpp"
  29 #include "logging/logTestFixture.hpp"
  30 #include "unittest.hpp"
  31 
  32 class G1HeapVerifierTest : public LogTestFixture {
  33 };
  34 
  35 TEST_F(G1HeapVerifierTest, parse) {
  36   LogConfiguration::configure_stdout(LogLevel::Off, true, LOG_TAGS(gc, verify));
  37 
  38   // Default is to verify everything.
  39   ASSERT_TRUE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyAll));
  40   ASSERT_TRUE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyYoungNormal));
  41   ASSERT_TRUE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyConcurrentStart));
  42   ASSERT_TRUE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyMixed));
  43   ASSERT_TRUE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyRemark));
  44   ASSERT_TRUE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyCleanup));
  45   ASSERT_TRUE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyFull));
  46 
  47   // Setting one will disable all other.
  48   G1Arguments::parse_verification_type("full");
  49   ASSERT_FALSE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyAll));
  50   ASSERT_FALSE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyYoungNormal));
  51   ASSERT_FALSE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyConcurrentStart));
  52   ASSERT_FALSE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyMixed));
  53   ASSERT_FALSE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyRemark));
  54   ASSERT_FALSE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyCleanup));
  55   ASSERT_TRUE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyFull));
  56 
  57   // Verify case sensitivity.
  58   G1Arguments::parse_verification_type("YOUNG-NORMAL");
  59   ASSERT_FALSE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyYoungNormal));
  60   G1Arguments::parse_verification_type("young-normal");
  61   ASSERT_TRUE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyYoungNormal));
  62 
  63   // Verify perfect match
  64   G1Arguments::parse_verification_type("mixedgc");
  65   ASSERT_FALSE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyMixed));
  66   G1Arguments::parse_verification_type("mixe");
  67   ASSERT_FALSE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyMixed));
  68   G1Arguments::parse_verification_type("mixed");
  69   ASSERT_TRUE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyMixed));
  70 
  71   // Verify the last three
  72   G1Arguments::parse_verification_type("concurrent-start");
  73   G1Arguments::parse_verification_type("remark");
  74   G1Arguments::parse_verification_type("cleanup");
  75   ASSERT_TRUE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyRemark));
  76   ASSERT_TRUE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyCleanup));
  77 
  78   // Enabling all is not the same as G1VerifyAll
  79   ASSERT_FALSE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyAll));
  80 }