test/hotspot/gtest/gc/z/test_zPhysicalMemory.cpp

*** 20,83 ****
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  #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);
  
!   pmem_manager.try_ensure_unused_capacity(10 * SegmentSize);
!   EXPECT_EQ(pmem_manager.unused_capacity(), 10 * 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
--- 20,80 ----
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  #include "precompiled.hpp"
+ #include "gc/z/zGlobals.hpp"
  #include "gc/z/zPhysicalMemory.inline.hpp"
  #include "utilities/debug.hpp"
  #include "unittest.hpp"
  
  #if defined(AMD64)
  
  TEST(ZPhysicalMemorySegmentTest, split) {
!   ZPhysicalMemorySegment seg(0, 10 * ZGranuleSize);
  
!   ZPhysicalMemorySegment seg_split0 = seg.split(0 * ZGranuleSize);
!   EXPECT_EQ(seg_split0.size(),  0 * ZGranuleSize);
!   EXPECT_EQ(       seg.size(), 10 * ZGranuleSize);
! 
!   ZPhysicalMemorySegment seg_split1 = seg.split(5 * ZGranuleSize);
!   EXPECT_EQ(seg_split1.size(),  5 * ZGranuleSize);
!   EXPECT_EQ(       seg.size(),  5 * ZGranuleSize);
! 
!   ZPhysicalMemorySegment seg_split2 = seg.split(5 * ZGranuleSize);
!   EXPECT_EQ(seg_split2.size(),  5 * ZGranuleSize);
!   EXPECT_EQ(       seg.size(),  0 * ZGranuleSize);
! 
!   ZPhysicalMemorySegment seg_split3 = seg.split(0 * ZGranuleSize);
!   EXPECT_EQ(seg_split3.size(),  0 * ZGranuleSize);
!   EXPECT_EQ(       seg.size(),  0 * ZGranuleSize);
  }
  
  TEST(ZPhysicalMemoryTest, split) {
!   ZPhysicalMemoryManager pmem_manager(10 * ZGranuleSize);
  
!   pmem_manager.try_ensure_unused_capacity(10 * ZGranuleSize);
!   EXPECT_EQ(pmem_manager.unused_capacity(), 10 * ZGranuleSize);
  
!   ZPhysicalMemory pmem = pmem_manager.alloc(8 * ZGranuleSize);
    EXPECT_EQ(pmem.nsegments(), 1u) << "wrong number of segments";
  
!   ZPhysicalMemory split0_pmem = pmem.split(ZGranuleSize);
    EXPECT_EQ(split0_pmem.nsegments(), 1u);
    EXPECT_EQ(       pmem.nsegments(), 1u);
!   EXPECT_EQ(split0_pmem.size(), 1 * ZGranuleSize);
!   EXPECT_EQ(       pmem.size(), 7 * ZGranuleSize);
  
!   ZPhysicalMemory split1_pmem = pmem.split(2 * ZGranuleSize);
    EXPECT_EQ(split1_pmem.nsegments(), 1u);
    EXPECT_EQ(       pmem.nsegments(), 1u);
!   EXPECT_EQ(split1_pmem.size(), 2 * ZGranuleSize);
!   EXPECT_EQ(       pmem.size(), 5 * ZGranuleSize);
  
!   ZPhysicalMemory split2_pmem = pmem.split(5 * ZGranuleSize);
    EXPECT_EQ(split2_pmem.nsegments(), 1u);
    EXPECT_EQ(       pmem.nsegments(), 1u);
!   EXPECT_EQ(split2_pmem.size(), 5 * ZGranuleSize);
!   EXPECT_EQ(       pmem.size(), 0 * ZGranuleSize);
  }
  
  #endif