18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  */
23 
24 #include "precompiled.hpp"
25 #include "gc/z/zLiveMap.inline.hpp"
26 #include "unittest.hpp"
27 
28 class ZLiveMapTest : public ::testing::Test {
29 protected:
30   static void strongly_live_for_large_zpage() {
31     // Large ZPages only have room for one object.
32     ZLiveMap livemap(1);
33 
34     bool inc_live;
35     uintptr_t object = 0u;
36 
37     // Mark the object strong.
38     livemap.set_atomic(object, false /* finalizable */, inc_live);
39 
40     // Check that both bits are in the same segment.
41     ASSERT_EQ(livemap.index_to_segment(0), livemap.index_to_segment(1));
42 
43     // Check that the object was marked.
44     ASSERT_TRUE(livemap.get(0));
45 
46     // Check that the object was strongly marked.
47     ASSERT_TRUE(livemap.get(1));
48 
49     ASSERT_TRUE(inc_live);
50   }
51 };
52 
53 TEST_F(ZLiveMapTest, strongly_live_for_large_zpage) {
54   strongly_live_for_large_zpage();
55 }

18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  */
23 
24 #include "precompiled.hpp"
25 #include "gc/z/zLiveMap.inline.hpp"
26 #include "unittest.hpp"
27 
28 class ZLiveMapTest : public ::testing::Test {
29 protected:
30   static void strongly_live_for_large_zpage() {
31     // Large ZPages only have room for one object.
32     ZLiveMap livemap(1);
33 
34     bool inc_live;
35     uintptr_t object = 0u;
36 
37     // Mark the object strong.
38     livemap.set(object, false /* finalizable */, inc_live);
39 
40     // Check that both bits are in the same segment.
41     ASSERT_EQ(livemap.index_to_segment(0), livemap.index_to_segment(1));
42 
43     // Check that the object was marked.
44     ASSERT_TRUE(livemap.get(0));
45 
46     // Check that the object was strongly marked.
47     ASSERT_TRUE(livemap.get(1));
48 
49     ASSERT_TRUE(inc_live);
50   }
51 };
52 
53 TEST_F(ZLiveMapTest, strongly_live_for_large_zpage) {
54   strongly_live_for_large_zpage();
55 }