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/logTag.hpp"
  30 #include "logging/logTestFixture.hpp"
  31 #include "unittest.hpp"
  32 
  33 class G1HeapVerifierTest : public LogTestFixture {
  34   protected:
  35     static void parse_verification_type(const char* type) {
  36       G1Arguments::parse_verification_type(type);
  37     }
  38 };
  39 
  40 TEST_VM_F(G1HeapVerifierTest, parse) {
  41   LogConfiguration::configure_stdout(LogLevel::Off, true, LOG_TAGS(gc, verify));
  42 
  43   // Default is to verify everything.
  44   ASSERT_TRUE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyAll));
  45   ASSERT_TRUE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyYoungNormal));
  46   ASSERT_TRUE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyConcurrentStart));
  47   ASSERT_TRUE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyMixed));
  48   ASSERT_TRUE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyRemark));
  49   ASSERT_TRUE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyCleanup));
  50   ASSERT_TRUE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyFull));
  51 
  52   // Setting one will disable all other.
  53   G1HeapVerifierTest::parse_verification_type("full");
  54   ASSERT_FALSE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyAll));
  55   ASSERT_FALSE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyYoungNormal));
  56   ASSERT_FALSE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyConcurrentStart));
  57   ASSERT_FALSE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyMixed));
  58   ASSERT_FALSE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyRemark));
  59   ASSERT_FALSE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyCleanup));
  60   ASSERT_TRUE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyFull));
  61 
  62   // Verify case sensitivity.
  63   G1HeapVerifierTest::parse_verification_type("YOUNG-NORMAL");
  64   ASSERT_FALSE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyYoungNormal));
  65   G1HeapVerifierTest::parse_verification_type("young-normal");
  66   ASSERT_TRUE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyYoungNormal));
  67 
  68   // Verify perfect match
  69   G1HeapVerifierTest::parse_verification_type("mixedgc");
  70   ASSERT_FALSE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyMixed));
  71   G1HeapVerifierTest::parse_verification_type("mixe");
  72   ASSERT_FALSE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyMixed));
  73   G1HeapVerifierTest::parse_verification_type("mixed");
  74   ASSERT_TRUE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyMixed));
  75 
  76   // Verify the last three
  77   G1HeapVerifierTest::parse_verification_type("concurrent-start");
  78   G1HeapVerifierTest::parse_verification_type("remark");
  79   G1HeapVerifierTest::parse_verification_type("cleanup");
  80   ASSERT_TRUE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyRemark));
  81   ASSERT_TRUE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyCleanup));
  82 
  83   // Enabling all is not the same as G1VerifyAll
  84   ASSERT_FALSE(G1HeapVerifier::should_verify(G1HeapVerifier::G1VerifyAll));
  85 }