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test/hotspot/gtest/gc/z/test_zPhysicalMemory.cpp
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@@ -1,7 +1,7 @@
/*
- * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
@@ -20,61 +20,95 @@
* 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, copy) {
+ const ZPhysicalMemorySegment seg0(0, 100);
+ const ZPhysicalMemorySegment seg1(200, 100);
+
+ ZPhysicalMemory pmem0;
+ pmem0.add_segment(seg0);
+ EXPECT_EQ(pmem0.nsegments(), 1u) << "wrong number of segments";
+ EXPECT_EQ(pmem0.segment(0).size(), 100u) << "wrong segment size";
+
+ ZPhysicalMemory pmem1;
+ pmem1.add_segment(seg0);
+ pmem1.add_segment(seg1);
+ EXPECT_EQ(pmem1.nsegments(), 2u) << "wrong number of segments";
+ EXPECT_EQ(pmem1.segment(0).size(), 100u) << "wrong segment size";
+ EXPECT_EQ(pmem1.segment(1).size(), 100u) << "wrong segment size";
+
+ ZPhysicalMemory pmem2(pmem0);
+ EXPECT_EQ(pmem2.nsegments(), 1u) << "wrong number of segments";
+ EXPECT_EQ(pmem2.segment(0).size(), 100u) << "wrong segment size";
+
+ pmem2 = pmem1;
+ EXPECT_EQ(pmem2.nsegments(), 2u) << "wrong number of segments";
+ EXPECT_EQ(pmem2.segment(0).size(), 100u) << "wrong segment size";
+ EXPECT_EQ(pmem2.segment(1).size(), 100u) << "wrong segment size";
}
-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);
+TEST(ZPhysicalMemoryTest, segments) {
+ const ZPhysicalMemorySegment seg0(0, 1);
+ const ZPhysicalMemorySegment seg1(1, 1);
+ const ZPhysicalMemorySegment seg2(2, 1);
+ const ZPhysicalMemorySegment seg3(3, 1);
+ const ZPhysicalMemorySegment seg4(4, 1);
+ const ZPhysicalMemorySegment seg5(5, 1);
+ const ZPhysicalMemorySegment seg6(6, 1);
+
+ ZPhysicalMemory pmem0;
+ EXPECT_EQ(pmem0.nsegments(), 0u) << "wrong number of segments";
+ EXPECT_EQ(pmem0.is_null(), true) << "should be null";
+
+ ZPhysicalMemory pmem1;
+ pmem1.add_segment(seg0);
+ pmem1.add_segment(seg1);
+ pmem1.add_segment(seg2);
+ pmem1.add_segment(seg3);
+ pmem1.add_segment(seg4);
+ pmem1.add_segment(seg5);
+ pmem1.add_segment(seg6);
+ EXPECT_EQ(pmem1.nsegments(), 1u) << "wrong number of segments";
+ EXPECT_EQ(pmem1.segment(0).size(), 7u) << "wrong segment size";
+ EXPECT_EQ(pmem1.is_null(), false) << "should not be null";
+
+ ZPhysicalMemory pmem2;
+ pmem2.add_segment(seg0);
+ pmem2.add_segment(seg1);
+ pmem2.add_segment(seg2);
+ pmem2.add_segment(seg4);
+ pmem2.add_segment(seg5);
+ pmem2.add_segment(seg6);
+ EXPECT_EQ(pmem2.nsegments(), 2u) << "wrong number of segments";
+ EXPECT_EQ(pmem2.segment(0).size(), 3u) << "wrong segment size";
+ EXPECT_EQ(pmem2.segment(1).size(), 3u) << "wrong segment size";
+ EXPECT_EQ(pmem2.is_null(), false) << "should not be null";
+
+ ZPhysicalMemory pmem3;
+ pmem3.add_segment(seg0);
+ pmem3.add_segment(seg2);
+ pmem3.add_segment(seg3);
+ pmem3.add_segment(seg4);
+ pmem3.add_segment(seg6);
+ EXPECT_EQ(pmem3.nsegments(), 3u) << "wrong number of segments";
+ EXPECT_EQ(pmem3.segment(0).size(), 1u) << "wrong segment size";
+ EXPECT_EQ(pmem3.segment(1).size(), 3u) << "wrong segment size";
+ EXPECT_EQ(pmem3.segment(2).size(), 1u) << "wrong segment size";
+ EXPECT_EQ(pmem3.is_null(), false) << "should not be null";
+
+ ZPhysicalMemory pmem4;
+ pmem4.add_segment(seg0);
+ pmem4.add_segment(seg2);
+ pmem4.add_segment(seg4);
+ pmem4.add_segment(seg6);
+ EXPECT_EQ(pmem4.nsegments(), 4u) << "wrong number of segments";
+ EXPECT_EQ(pmem4.segment(0).size(), 1u) << "wrong segment size";
+ EXPECT_EQ(pmem4.segment(1).size(), 1u) << "wrong segment size";
+ EXPECT_EQ(pmem4.segment(2).size(), 1u) << "wrong segment size";
+ EXPECT_EQ(pmem4.segment(3).size(), 1u) << "wrong segment size";
+ EXPECT_EQ(pmem4.is_null(), false) << "should not be null";
}
-
-#endif
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