jdk-24/test/hotspot/gtest/gc/z/test_zLiveMap.cpp

38 lines
980 B
C++
Raw Normal View History

/*
* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
#include "precompiled.hpp"
#include "gc/z/zLiveMap.inline.hpp"
#include "unittest.hpp"
class ZLiveMapTest : public ::testing::Test {
protected:
static void strongly_live_for_large_zpage() {
// Large ZPages only have room for one object.
ZLiveMap livemap(1);
bool inc_live;
uintptr_t object = 0u;
// Mark the object strong.
livemap.set_atomic(object, false /* finalizable */, inc_live);
// Check that both bits are in the same segment.
ASSERT_EQ(livemap.index_to_segment(0), livemap.index_to_segment(1));
// Check that the object was marked.
ASSERT_TRUE(livemap.get(0));
// Check that the object was strongly marked.
ASSERT_TRUE(livemap.get(1));
ASSERT_TRUE(inc_live);
}
};
TEST_F(ZLiveMapTest, strongly_live_for_large_zpage) {
strongly_live_for_large_zpage();
}