mirror of
https://github.com/openjdk/jdk.git
synced 2025-09-16 17:14:41 +02:00
e7af7a4aef
Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com> Co-authored-by: Erik Osterlund <erik.osterlund@oracle.com> Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com> Co-authored-by: Kim Barrett <kim.barrett@oracle.com> Co-authored-by: Nils Eliasson <nils.eliasson@oracle.com> Co-authored-by: Rickard Backman <rickard.backman@oracle.com> Co-authored-by: Roland Westrelin <rwestrel@redhat.com> Co-authored-by: Coleen Phillimore <coleen.phillimore@oracle.com> Co-authored-by: Robbin Ehn <robbin.ehn@oracle.com> Co-authored-by: Gerard Ziemski <gerard.ziemski@oracle.com> Co-authored-by: Hugh Wilkinson <hugh.wilkinson@intel.com> Co-authored-by: Sandhya Viswanathan <sandhya.viswanathan@intel.com> Co-authored-by: Bill Wheeler <bill.npo.wheeler@intel.com> Co-authored-by: Vinay K. Awasthi <vinay.k.awasthi@intel.com> Co-authored-by: Yasumasa Suenaga <yasuenag@gmail.com> Reviewed-by: pliden, stefank, eosterlund, ehelin, sjohanss, rbackman, coleenp, ihse, jgeorge, lmesnik, rkennke
62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
/*
|
|
* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
|
|
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
|
|
*/
|
|
|
|
#include "precompiled.hpp"
|
|
#include "gc/z/zPhysicalMemory.inline.hpp"
|
|
#include "utilities/debug.hpp"
|
|
#include "unittest.hpp"
|
|
|
|
#if defined(AMD64)
|
|
|
|
TEST(ZPhysicalMemorySegmentTest, split) {
|
|
const size_t SegmentSize = 2 * M;
|
|
|
|
ZPhysicalMemorySegment seg(0, 10 * SegmentSize);
|
|
|
|
ZPhysicalMemorySegment seg_split0 = seg.split(0 * SegmentSize);
|
|
EXPECT_EQ(seg_split0.size(), 0 * SegmentSize);
|
|
EXPECT_EQ( seg.size(), 10 * SegmentSize);
|
|
|
|
ZPhysicalMemorySegment seg_split1 = seg.split(5 * SegmentSize);
|
|
EXPECT_EQ(seg_split1.size(), 5 * SegmentSize);
|
|
EXPECT_EQ( seg.size(), 5 * SegmentSize);
|
|
|
|
ZPhysicalMemorySegment seg_split2 = seg.split(5 * SegmentSize);
|
|
EXPECT_EQ(seg_split2.size(), 5 * SegmentSize);
|
|
EXPECT_EQ( seg.size(), 0 * SegmentSize);
|
|
|
|
ZPhysicalMemorySegment seg_split3 = seg.split(0 * SegmentSize);
|
|
EXPECT_EQ(seg_split3.size(), 0 * SegmentSize);
|
|
EXPECT_EQ( seg.size(), 0 * SegmentSize);
|
|
}
|
|
|
|
TEST(ZPhysicalMemoryTest, split) {
|
|
const size_t SegmentSize = 2 * M;
|
|
|
|
ZPhysicalMemoryManager pmem_manager(10 * SegmentSize, SegmentSize);
|
|
|
|
ZPhysicalMemory pmem = pmem_manager.alloc(8 * SegmentSize);
|
|
EXPECT_EQ(pmem.nsegments(), 1u) << "wrong number of segments";
|
|
|
|
ZPhysicalMemory split0_pmem = pmem.split(SegmentSize);
|
|
EXPECT_EQ(split0_pmem.nsegments(), 1u);
|
|
EXPECT_EQ( pmem.nsegments(), 1u);
|
|
EXPECT_EQ(split0_pmem.size(), 1 * SegmentSize);
|
|
EXPECT_EQ( pmem.size(), 7 * SegmentSize);
|
|
|
|
ZPhysicalMemory split1_pmem = pmem.split(2 * SegmentSize);
|
|
EXPECT_EQ(split1_pmem.nsegments(), 1u);
|
|
EXPECT_EQ( pmem.nsegments(), 1u);
|
|
EXPECT_EQ(split1_pmem.size(), 2 * SegmentSize);
|
|
EXPECT_EQ( pmem.size(), 5 * SegmentSize);
|
|
|
|
ZPhysicalMemory split2_pmem = pmem.split(5 * SegmentSize);
|
|
EXPECT_EQ(split2_pmem.nsegments(), 1u);
|
|
EXPECT_EQ( pmem.nsegments(), 1u);
|
|
EXPECT_EQ(split2_pmem.size(), 5 * SegmentSize);
|
|
EXPECT_EQ( pmem.size(), 0 * SegmentSize);
|
|
}
|
|
|
|
#endif
|