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Added tests for vm_copy_area() and resize_area().

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9266 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2004-10-08 23:12:55 +00:00
parent ad07c81011
commit ed3d2e92e8
1 changed files with 66 additions and 5 deletions
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71
src/kernel/core/vm/vm_tests.c
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@ -16,12 +16,8 @@
void
vm_test()
vm_test(void)
{
// region_id region, region2, region3;
// addr region_addr;
// int i;
dprintf("vm_test: entry\n");
#if 1
dprintf("vm_test 1: creating anonymous region and writing to it\n");
@ -356,6 +352,71 @@ vm_test()
dprintf("vm_test 9: passed\n");
}
#endif
#if 1
dprintf("vm_test 10: copy area\n");
{
area_id a, b;
void *address = NULL;
uint32 *ta, *tb;
a = create_area("source of copy", &address, B_ANY_KERNEL_ADDRESS, B_PAGE_SIZE * 4,
B_NO_LOCK, B_KERNEL_READ_AREA | B_KERNEL_WRITE_AREA);
ta = (uint32 *)address;
ta[0] = 0x1234;
ta[1024] = 0x5678;
ta[2048] = 0xabcd;
ta[3072] = 0xefef;
b = vm_copy_area(vm_get_kernel_aspace_id(), "copy of source", &address, B_ANY_KERNEL_ADDRESS,
B_KERNEL_READ_AREA | B_KERNEL_WRITE_AREA, a);
tb = (uint32 *)address;
if (tb[0] != 0x1234 || tb[1024] != 0x5678 || tb[2048] != 0xabcd || tb[3072] != 0xefef)
panic("vm_test 10: wrong values %lx, %lx, %lx, %lx\n", tb[0], tb[1024], tb[2048], tb[3072]);
tb[0] = 0xaaaa;
if (tb[0] != 0xaaaa || ta[0] != 0x1234)
panic("vm_test 10: %lx (aaaa), %lx (1234)\n", tb[0], ta[0]);
ta[1024] = 0xbbbb;
if (ta[1024] != 0xbbbb || tb[1024] != 0x5678)
panic("vm_test 10: %lx (bbbb), %lx (5678)\n", ta[1024], tb[1024]);
dprintf("vm_test 10: remove areas\n");
vm_delete_region(vm_get_kernel_aspace_id(), a);
vm_delete_region(vm_get_kernel_aspace_id(), b);
}
dprintf("vm_test 10: passed\n");
#endif
#if 1
dprintf("vm_test 11: resize area\n");
{
void *address = NULL;
status_t status;
area_id a;
a = create_area("resizable", &address, B_ANY_KERNEL_ADDRESS, B_PAGE_SIZE * 4,
B_NO_LOCK, B_KERNEL_READ_AREA | B_KERNEL_WRITE_AREA);
status = resize_area(a, B_PAGE_SIZE * 2);
if (status != B_OK)
panic("vm_test 11: resize_area() failed trying to shrink area: %s\n", strerror(status));
status = resize_area(a, B_PAGE_SIZE * 4);
if (status != B_OK) {
dprintf("vm_test 11: resize_area() failed trying to grow area: %s\n", strerror(status));
} else {
uint32 *values = (uint32 *)address;
dprintf("vm_test 11: write something in the enlarged section\n");
values[3072] = 0x1234;
}
dprintf("vm_test 11: remove areas\n");
vm_delete_region(vm_get_kernel_aspace_id(), a);
}
dprintf("vm_test 11: passed\n");
#endif
dprintf("vm_test: done\n");
}