Nikolay Sivov : ntdll/tests: Add some tests for VM regions splitting.
Module: wine Branch: master Commit: afdfb382d8f196473bcafc5a9f0268bdc0b7284a URL: https://source.winehq.org/git/wine.git/?a=commit;h=afdfb382d8f196473bcafc5a9... Author: Nikolay Sivov <nsivov(a)codeweavers.com> Date: Fri Jun 3 15:05:21 2022 +0300 ntdll/tests: Add some tests for VM regions splitting. Signed-off-by: Nikolay Sivov <nsivov(a)codeweavers.com> --- dlls/ntdll/tests/virtual.c | 102 +++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 99 insertions(+), 3 deletions(-) diff --git a/dlls/ntdll/tests/virtual.c b/dlls/ntdll/tests/virtual.c index f8bb3e97c86..24c87c46d26 100644 --- a/dlls/ntdll/tests/virtual.c +++ b/dlls/ntdll/tests/virtual.c @@ -272,12 +272,27 @@ static void test_NtAllocateVirtualMemory(void) ok(!!status, "Unexpected status %08lx.\n", status); } -static void test_NtAllocateVirtualMemoryEx(void) +#define check_region_size(p, s) check_region_size_(p, s, __LINE__) +static void check_region_size_(void *p, SIZE_T s, unsigned int line) { - void *addr1, *addr2; + MEMORY_BASIC_INFORMATION mbi; NTSTATUS status; SIZE_T size; + memset(&mbi, 0, sizeof(mbi)); + status = NtQueryVirtualMemory( NtCurrentProcess(), p, MemoryBasicInformation, &mbi, sizeof(mbi), &size ); + ok_(__FILE__,line)( !status, "Unexpected return value %08lx\n", status ); + ok_(__FILE__,line)( size == sizeof(mbi), "Unexpected return value.\n"); + ok_(__FILE__,line)( mbi.RegionSize == s, "Unexpected size %Iu, expected %Iu.\n", mbi.RegionSize, s); +} + +static void test_NtAllocateVirtualMemoryEx(void) +{ + SIZE_T size, size2; + char *p, *p1, *p2; + NTSTATUS status; + void *addr1; + if (!pNtAllocateVirtualMemoryEx) { win_skip("NtAllocateVirtualMemoryEx() is missing\n"); @@ -291,7 +306,7 @@ static void test_NtAllocateVirtualMemoryEx(void) ok(status == STATUS_SUCCESS, "Unexpected status %08lx.\n", status); size = 0; - status = NtFreeVirtualMemory(NtCurrentProcess(), &addr2, &size, MEM_RELEASE); + status = NtFreeVirtualMemory(NtCurrentProcess(), &addr1, &size, MEM_RELEASE); ok(status == STATUS_SUCCESS, "Unexpected status %08lx.\n", status); /* specifying a count of >0 with NULL parameters should fail */ @@ -322,6 +337,87 @@ static void test_NtAllocateVirtualMemoryEx(void) status = NtFreeVirtualMemory(NtCurrentProcess(), &addr1, &size, MEM_RELEASE); ok(status == STATUS_SUCCESS, "Unexpected status %08lx.\n", status); } + + /* Placeholder region splitting. */ + + /* Split in three regions. */ + addr1 = NULL; + size = 0x10000; + status = pNtAllocateVirtualMemoryEx(NtCurrentProcess(), &addr1, &size, MEM_RESERVE | MEM_RESERVE_PLACEHOLDER, + PAGE_NOACCESS, NULL, 0); + todo_wine + ok(status == STATUS_SUCCESS, "Unexpected status %08lx.\n", status); + + if (status == STATUS_SUCCESS) + { + p = addr1; + p1 = p + size / 2; + p2 = p1 + size / 4; + size2 = size / 4; + status = NtFreeVirtualMemory(NtCurrentProcess(), (void **)&p1, &size2, MEM_RELEASE | MEM_PRESERVE_PLACEHOLDER); + ok(status == STATUS_SUCCESS, "Unexpected status %08lx.\n", status); + + check_region_size(p, size / 2); + check_region_size(p1, size / 4); + check_region_size(p2, size - size / 2 - size / 4); + + status = NtFreeVirtualMemory(NtCurrentProcess(), (void **)&p, &size2, MEM_RELEASE); + ok(status == STATUS_SUCCESS, "Unexpected status %08lx.\n", status); + status = NtFreeVirtualMemory(NtCurrentProcess(), (void **)&p1, &size2, MEM_RELEASE); + ok(status == STATUS_SUCCESS, "Unexpected status %08lx.\n", status); + status = NtFreeVirtualMemory(NtCurrentProcess(), (void **)&p2, &size2, MEM_RELEASE); + ok(status == STATUS_SUCCESS, "Unexpected status %08lx.\n", status); + } + + /* Split in two regions, specifying lower part. */ + addr1 = NULL; + size = 0x10000; + status = pNtAllocateVirtualMemoryEx(NtCurrentProcess(), &addr1, &size, MEM_RESERVE | MEM_RESERVE_PLACEHOLDER, + PAGE_NOACCESS, NULL, 0); + todo_wine + ok(status == STATUS_SUCCESS, "Unexpected status %08lx.\n", status); + + if (status == STATUS_SUCCESS) + { + p1 = addr1; + p2 = p1 + size / 4; + size2 = size / 4; + status = NtFreeVirtualMemory(NtCurrentProcess(), (void **)&p1, &size2, MEM_RELEASE | MEM_PRESERVE_PLACEHOLDER); + ok(status == STATUS_SUCCESS, "Unexpected status %08lx.\n", status); + ok(p1 == addr1, "Unexpected address.\n"); + + check_region_size(p1, size / 4); + check_region_size(p2, size - size / 4); + status = NtFreeVirtualMemory(NtCurrentProcess(), (void **)&p1, &size2, MEM_RELEASE); + ok(status == STATUS_SUCCESS, "Unexpected status %08lx.\n", status); + status = NtFreeVirtualMemory(NtCurrentProcess(), (void **)&p2, &size2, MEM_RELEASE); + ok(status == STATUS_SUCCESS, "Unexpected status %08lx.\n", status); + } + + /* Split in two regions, specifying second half. */ + addr1 = NULL; + size = 0x10000; + status = pNtAllocateVirtualMemoryEx(NtCurrentProcess(), &addr1, &size, MEM_RESERVE | MEM_RESERVE_PLACEHOLDER, + PAGE_NOACCESS, NULL, 0); + todo_wine + ok(status == STATUS_SUCCESS, "Unexpected status %08lx.\n", status); + + if (status == STATUS_SUCCESS) + { + p1 = addr1; + p2 = p1 + size / 2; + + size2 = size / 2; + status = NtFreeVirtualMemory(NtCurrentProcess(), (void **)&p2, &size2, MEM_RELEASE | MEM_PRESERVE_PLACEHOLDER); + ok(status == STATUS_SUCCESS, "Unexpected status %08lx.\n", status); + ok(p2 == p1 + size / 2, "Unexpected address.\n"); + check_region_size(p1, size / 2); + check_region_size(p2, size / 2); + status = NtFreeVirtualMemory(NtCurrentProcess(), (void **)&p1, &size2, MEM_RELEASE); + ok(status == STATUS_SUCCESS, "Unexpected status %08lx.\n", status); + status = NtFreeVirtualMemory(NtCurrentProcess(), (void **)&p2, &size2, MEM_RELEASE); + ok(status == STATUS_SUCCESS, "Unexpected status %08lx.\n", status); + } } struct test_stack_size_thread_args
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Alexandre Julliard