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test/hotspot/gtest/oops/test_objArrayOop.cpp

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 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.
 8  *
 9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 "oops/objArrayOop.hpp"

25 #include "unittest.hpp"
26 #include "utilities/globalDefinitions.hpp"
27 


28 TEST_VM(objArrayOop, osize) {
29   static const struct {
30     int objal; bool ccp; bool coops; bool coh; int result;
31   } x[] = {
32 //    ObjAligInB, UseCCP, UseCoops, UseCOH, object size in heap words
33 #ifdef _LP64
34     { 8,          false,  false, false,   4 },  // 20 byte header, 8 byte oops
35     { 8,          false,  true,  false,   3 },  // 20 byte header, 4 byte oops
36     { 8,          true,   false, false,   3 },  // 16 byte header, 8 byte oops
37     { 8,          true,   true,  false,   3 },  // 16 byte header, 4 byte oops
38     { 8,          true,   false, true,    3 },  // 12 byte header, 8 byte oops
39     { 8,          true,   true,  true,    2 },  // 12 byte header, 4 byte oops
40     { 16,         false,  false, false,   4 },  // 20 byte header, 8 byte oops, 16-byte align
41     { 16,         false,  true,  false,   4 },  // 20 byte header, 4 byte oops, 16-byte align
42     { 16,         true,   false, false,   4 },  // 16 byte header, 8 byte oops, 16-byte align
43     { 16,         true,   true,  false,   4 },  // 16 byte header, 4 byte oops, 16-byte align
44     { 16,         true,   false, true,    4 },  // 12 byte header, 8 byte oops, 16-byte align
45     { 16,         true,   true,  true,    2 },  // 12 byte header, 4 byte oops, 16-byte align
46     { 256,        false,  false, false,  32 }, // 20 byte header, 8 byte oops, 256-byte align
47     { 256,        false,  true,  false,  32 }, // 20 byte header, 4 byte oops, 256-byte align
48     { 256,        true,   false, false,  32 }, // 16 byte header, 8 byte oops, 256-byte align
49     { 256,        true,   true,  false,  32 }, // 16 byte header, 4 byte oops, 256-byte align
50     { 256,        true,   false, true,   32 }, // 12 byte header, 8 byte oops, 256-byte align
51     { 256,        true,   true,  true,   32 }, // 12 byte header, 4 byte oops, 256-byte align
52 #else
53     { 8,          false,  false, false,   4 }, // 12 byte header, 4 byte oops, wordsize 4
54 #endif
55     { -1,         false,  false, false,  -1 }
56   };
57   for (int i = 0; x[i].result != -1; i++) {
58     if (x[i].objal == (int)ObjectAlignmentInBytes && x[i].ccp == UseCompressedClassPointers && x[i].coops == UseCompressedOops &&
59         x[i].coh == UseCompactObjectHeaders) {
60       EXPECT_EQ(objArrayOopDesc::object_size(1), (size_t)x[i].result);
61     }
62   }
63 }

 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.
 8  *
 9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 "oops/objArrayOop.hpp"
25 #include "oops/refArrayOop.hpp"
26 #include "unittest.hpp"
27 #include "utilities/globalDefinitions.hpp"
28 
29 // TODO FIXME This test needs to be rewritten after objArray/refArray/flatArray rework
30 
31 TEST_VM(objArrayOop, osize) {
32   static const struct {
33     int objal; bool ccp; bool coops; bool coh; int result;
34   } x[] = {
35 //    ObjAligInB, UseCCP, UseCoops, UseCOH, object size in heap words
36 #ifdef _LP64
37     { 8,          false,  false, false,   4 },  // 20 byte header, 8 byte oops
38     { 8,          false,  true,  false,   3 },  // 20 byte header, 4 byte oops
39     { 8,          true,   false, false,   3 },  // 16 byte header, 8 byte oops
40     { 8,          true,   true,  false,   3 },  // 16 byte header, 4 byte oops
41     { 8,          true,   false, true,    3 },  // 12 byte header, 8 byte oops
42     { 8,          true,   true,  true,    2 },  // 12 byte header, 4 byte oops
43     { 16,         false,  false, false,   4 },  // 20 byte header, 8 byte oops, 16-byte align
44     { 16,         false,  true,  false,   4 },  // 20 byte header, 4 byte oops, 16-byte align
45     { 16,         true,   false, false,   4 },  // 16 byte header, 8 byte oops, 16-byte align
46     { 16,         true,   true,  false,   4 },  // 16 byte header, 4 byte oops, 16-byte align
47     { 16,         true,   false, true,    4 },  // 12 byte header, 8 byte oops, 16-byte align
48     { 16,         true,   true,  true,    2 },  // 12 byte header, 4 byte oops, 16-byte align
49     { 256,        false,  false, false,  32 }, // 20 byte header, 8 byte oops, 256-byte align
50     { 256,        false,  true,  false,  32 }, // 20 byte header, 4 byte oops, 256-byte align
51     { 256,        true,   false, false,  32 }, // 16 byte header, 8 byte oops, 256-byte align
52     { 256,        true,   true,  false,  32 }, // 16 byte header, 4 byte oops, 256-byte align
53     { 256,        true,   false, true,   32 }, // 12 byte header, 8 byte oops, 256-byte align
54     { 256,        true,   true,  true,   32 }, // 12 byte header, 4 byte oops, 256-byte align
55 #else
56     { 8,          false,  false, false,   4 }, // 12 byte header, 4 byte oops, wordsize 4
57 #endif
58     { -1,         false,  false, false,  -1 }
59   };
60   for (int i = 0; x[i].result != -1; i++) {
61     if (x[i].objal == (int)ObjectAlignmentInBytes && x[i].ccp == UseCompressedClassPointers && x[i].coops == UseCompressedOops &&
62         x[i].coh == UseCompactObjectHeaders) {
63       EXPECT_EQ(refArrayOopDesc::object_size(1), (size_t)x[i].result);
64     }
65   }
66 }
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