44ec501a41
Co-authored-by: Sandhya Viswanathan <sviswanathan@openjdk.org> Co-authored-by: Martin Doerr <mdoerr@openjdk.org> Co-authored-by: Hamlin Li <mli@openjdk.org> Co-authored-by: Thomas Stuefe <stuefe@openjdk.org> Co-authored-by: Amit Kumar <amitkumar@openjdk.org> Co-authored-by: Stefan Karlsson <stefank@openjdk.org> Co-authored-by: Coleen Phillimore <coleenp@openjdk.org> Co-authored-by: Axel Boldt-Christmas <aboldtch@openjdk.org> Reviewed-by: coleenp, stefank, stuefe, phh, ihse, lmesnik, tschatzl, matsaave, rcastanedalo, vpaprotski, yzheng, egahlin
98 lines
2.7 KiB
C++
98 lines
2.7 KiB
C++
/*
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* Copyright (c) 2020, 2024, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2020 SAP SE. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#include "precompiled.hpp"
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#include "memory/metaspace/metablock.inline.hpp"
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//#define LOG_PLEASE
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#include "metaspaceGtestCommon.hpp"
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using metaspace::MetaBlock;
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#define CHECK_BLOCK_EMPTY(block) { \
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EXPECT_TRUE(block.is_empty()); \
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DEBUG_ONLY(block.verify()); \
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}
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#define CHECK_BLOCK(block, expected_base, expected_size) { \
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EXPECT_EQ(block.base(), (MetaWord*)expected_base); \
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EXPECT_EQ((size_t)expected_size, block.word_size()); \
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EXPECT_EQ(block.end(), expected_base + expected_size); \
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DEBUG_ONLY(block.verify()); \
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}
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static constexpr uintptr_t large_pointer = NOT_LP64(0x99999990) LP64_ONLY(0x9999999999999990ULL);
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TEST(metaspace, MetaBlock_1) {
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MetaBlock bl;
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CHECK_BLOCK_EMPTY(bl);
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}
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TEST(metaspace, MetaBlock_2) {
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MetaWord* const p = (MetaWord*)large_pointer;
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constexpr size_t s = G;
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MetaBlock bl(p, s);
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CHECK_BLOCK(bl, p, s);
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}
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TEST(metaspace, MetaBlock_3) {
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MetaWord* const p = (MetaWord*)large_pointer;
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MetaBlock bl(p, 0);
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CHECK_BLOCK_EMPTY(bl);
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}
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TEST_VM(metaspace, MetaBlock_4) {
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MetaWord* const p = (MetaWord*)large_pointer;
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MetaBlock bl(p, G);
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CHECK_BLOCK(bl, p, G);
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MetaBlock bl_copy = bl, bl2;
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bl2 = bl.split_off_tail(M);
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CHECK_BLOCK(bl, p, G - M);
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CHECK_BLOCK(bl2, p + G - M, M);
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bl = bl_copy;
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bl.print_on(tty);
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bl2.print_on(tty);
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bl2 = bl.split_off_tail(G);
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bl.print_on(tty);
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bl2.print_on(tty);
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ASSERT_EQ(bl2, bl_copy);
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ASSERT_TRUE(bl.is_empty());
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bl = bl_copy;
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bl2 = bl.split_off_tail(0);
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ASSERT_EQ(bl, bl_copy);
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ASSERT_TRUE(bl2.is_empty());
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MetaBlock empty;
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bl = empty.split_off_tail(0);
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ASSERT_TRUE(bl.is_empty());
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}
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