test/hotspot/gtest/gc/g1/test_g1HeapVerifier.cpp

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is free software; you can redistribute it and/or modify it
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 *
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 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#include "precompiled.hpp"
#include "gc/g1/g1HeapVerifier.hpp"
#include "logging/logConfiguration.hpp"
#include "logging/logTestFixture.hpp"
#include "unittest.hpp"

class G1HeapVerifierTest : public LogTestFixture {
};

TEST_F(G1HeapVerifierTest, parse) {
  G1HeapVerifier verifier(NULL);

  LogConfiguration::configure_stdout(LogLevel::Off, true, LOG_TAGS(gc, verify));

  // Default is to verify everything.
  ASSERT_TRUE(verifier.should_verify(G1HeapVerifier::G1VerifyAll));
  ASSERT_TRUE(verifier.should_verify(G1HeapVerifier::G1VerifyYoungOnly));
  ASSERT_TRUE(verifier.should_verify(G1HeapVerifier::G1VerifyInitialMark));
  ASSERT_TRUE(verifier.should_verify(G1HeapVerifier::G1VerifyMixed));
  ASSERT_TRUE(verifier.should_verify(G1HeapVerifier::G1VerifyRemark));
  ASSERT_TRUE(verifier.should_verify(G1HeapVerifier::G1VerifyCleanup));
  ASSERT_TRUE(verifier.should_verify(G1HeapVerifier::G1VerifyFull));

  // Setting one will disable all other.
  verifier.parse_verification_type("full");
  ASSERT_FALSE(verifier.should_verify(G1HeapVerifier::G1VerifyAll));
  ASSERT_FALSE(verifier.should_verify(G1HeapVerifier::G1VerifyYoungOnly));
  ASSERT_FALSE(verifier.should_verify(G1HeapVerifier::G1VerifyInitialMark));
  ASSERT_FALSE(verifier.should_verify(G1HeapVerifier::G1VerifyMixed));
  ASSERT_FALSE(verifier.should_verify(G1HeapVerifier::G1VerifyRemark));
  ASSERT_FALSE(verifier.should_verify(G1HeapVerifier::G1VerifyCleanup));
  ASSERT_TRUE(verifier.should_verify(G1HeapVerifier::G1VerifyFull));

  // Verify case sensitivity.
  verifier.parse_verification_type("YOUNG-ONLY");
  ASSERT_FALSE(verifier.should_verify(G1HeapVerifier::G1VerifyYoungOnly));
  verifier.parse_verification_type("young-only");
  ASSERT_TRUE(verifier.should_verify(G1HeapVerifier::G1VerifyYoungOnly));

  // Verify perfect match
  verifier.parse_verification_type("mixedgc");
  ASSERT_FALSE(verifier.should_verify(G1HeapVerifier::G1VerifyMixed));
  verifier.parse_verification_type("mixe");
  ASSERT_FALSE(verifier.should_verify(G1HeapVerifier::G1VerifyMixed));
  verifier.parse_verification_type("mixed");
  ASSERT_TRUE(verifier.should_verify(G1HeapVerifier::G1VerifyMixed));

  // Verify the last three
  verifier.parse_verification_type("initial-mark");
  verifier.parse_verification_type("remark");
  verifier.parse_verification_type("cleanup");
  ASSERT_TRUE(verifier.should_verify(G1HeapVerifier::G1VerifyRemark));
  ASSERT_TRUE(verifier.should_verify(G1HeapVerifier::G1VerifyCleanup));

  // Enabling all is not the same as G1VerifyAll
  ASSERT_FALSE(verifier.should_verify(G1HeapVerifier::G1VerifyAll));
}