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