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Also print the expected value. Some comment on what should happen.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22140 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2007-09-01 15:16:45 +00:00
parent b33a19a278
commit e5c9c9e371
1 changed files with 20 additions and 3 deletions
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23
src/tests/system/kernel/set_area_protection_test1.cpp
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@ -52,6 +52,7 @@ main()
const int kAreaCount = 4; const int kAreaCount = 4;
area_id areas[kAreaCount]; area_id areas[kAreaCount];
int* areaAddresses[kAreaCount]; int* areaAddresses[kAreaCount];
areas[0] = create_test_area("area0", &areaAddresses[0], B_READ_AREA); areas[0] = create_test_area("area0", &areaAddresses[0], B_READ_AREA);
areas[1] = create_test_area("area1", &areaAddresses[1], B_READ_AREA); areas[1] = create_test_area("area1", &areaAddresses[1], B_READ_AREA);
areas[2] = create_test_area("area2", &areaAddresses[2], B_READ_AREA); areas[2] = create_test_area("area2", &areaAddresses[2], B_READ_AREA);
@ -62,8 +63,10 @@ main()
/*area_id area2Clone =*/ clone_test_area("area2clone", &area2CloneAddress, /*area_id area2Clone =*/ clone_test_area("area2clone", &area2CloneAddress,
B_READ_AREA | B_WRITE_AREA, areas[2]); B_READ_AREA | B_WRITE_AREA, areas[2]);
int area3Value = *areaAddresses[3];
for (int i = 0; i < kAreaCount; i++) { for (int i = 0; i < kAreaCount; i++) {
printf("parent: areas[%d]: %ld, %p (%d)\n", i, areas[i], printf("parent: areas[%d]: %ld, %p (0x%08x)\n", i, areas[i],
areaAddresses[i], *areaAddresses[i]); areaAddresses[i], *areaAddresses[i]);
} }
@ -76,6 +79,18 @@ main()
if (pid == 0) { if (pid == 0) {
// child // child
pid = find_thread(NULL);
int expectedValues[kAreaCount] = {
0, // CoW -- the child should see the original value
pid, // clone -- the child should see the change
pid, // clone -- the child should see the change
area3Value // CoW -- the child should see the original value
// Note: It looks alright in BeOS in the first run,
// but the parent actually seems to modify some
// cached page, and in the next run, we'll see
// the changed value.
};
// get the IDs of the copied areas // get the IDs of the copied areas
area_id parentAreas[kAreaCount]; area_id parentAreas[kAreaCount];
@ -101,8 +116,10 @@ main()
snooze(400000); snooze(400000);
for (int i = 0; i < kAreaCount; i++) for (int i = 0; i < kAreaCount; i++) {
printf("child: area[%d] contains: %d\n", i, *areaAddresses[i]); printf("child: area[%d] contains: 0x%08x (expected: 0x%08x)\n", i,
*areaAddresses[i], expectedValues[i]);
}
} else { } else {
// parent // parent