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ntdll/tests: Add tests for accessing \\Device\\Null.

This commit is contained in:
Sebastian Lackner 2015-05-15 19:57:42 +02:00 committed by Alexandre Julliard
parent c8362ec3b8
commit b3913c4f77
1 changed files with 100 additions and 0 deletions
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100
dlls/ntdll/tests/om.c
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@ -1032,6 +1032,105 @@ static void test_keyed_events(void)
NtClose( event );
}
static void test_null_device(void)
{
OBJECT_ATTRIBUTES attr;
IO_STATUS_BLOCK iosb;
UNICODE_STRING str;
NTSTATUS status;
DWORD num_bytes;
OVERLAPPED ov;
char buf[64];
HANDLE null;
BOOL ret;
memset(buf, 0xAA, sizeof(buf));
memset(&ov, 0, sizeof(ov));
ov.hEvent = CreateEventA(NULL, TRUE, FALSE, NULL);
pRtlCreateUnicodeStringFromAsciiz(&str, "\\Device\\Null");
InitializeObjectAttributes(&attr, &str, OBJ_CASE_INSENSITIVE, 0, NULL);
status = pNtOpenSymbolicLinkObject(&null, SYMBOLIC_LINK_QUERY, &attr);
todo_wine
ok(status == STATUS_OBJECT_TYPE_MISMATCH,
"expected STATUS_OBJECT_TYPE_MISMATCH, got %08x\n", status);
status = pNtOpenFile(&null, GENERIC_READ | GENERIC_WRITE, &attr, &iosb,
FILE_SHARE_READ | FILE_SHARE_WRITE, 0);
todo_wine
ok(status == STATUS_SUCCESS,
"expected STATUS_SUCCESS, got %08x\n", status);
if (status != STATUS_SUCCESS)
{
skip("opening \\Device\\Null failed, skipping read/write tests\n");
goto out;
}
SetLastError(0xdeadbeef);
ret = WriteFile(null, buf, sizeof(buf), &num_bytes, NULL);
ok(!ret, "WriteFile unexpectedly succeeded\n");
ok(GetLastError() == ERROR_INVALID_PARAMETER,
"expected ERROR_INVALID_PARAMETER, got %u\n", GetLastError());
SetLastError(0xdeadbeef);
ret = ReadFile(null, buf, sizeof(buf), &num_bytes, NULL);
ok(!ret, "ReadFile unexpectedly succeeded\n");
ok(GetLastError() == ERROR_INVALID_PARAMETER,
"expected ERROR_INVALID_PARAMETER, got %u\n", GetLastError());
num_bytes = 0xdeadbeef;
SetLastError(0xdeadbeef);
ret = WriteFile(null, buf, sizeof(buf), &num_bytes, &ov);
if (ret || GetLastError() != ERROR_IO_PENDING)
{
ok(ret, "WriteFile failed with error %u\n", GetLastError());
}
else
{
num_bytes = 0xdeadbeef;
ret = GetOverlappedResult(null, &ov, &num_bytes, TRUE);
ok(ret, "GetOverlappedResult failed with error %u\n", GetLastError());
}
ok(num_bytes == sizeof(buf), "expected num_bytes = %u, got %u\n",
(DWORD)sizeof(buf), num_bytes);
num_bytes = 0xdeadbeef;
SetLastError(0xdeadbeef);
ret = ReadFile(null, buf, sizeof(buf), &num_bytes, &ov);
if (ret || GetLastError() != ERROR_IO_PENDING)
{
ok(!ret, "ReadFile unexpectedly succeeded\n");
}
else
{
num_bytes = 0xdeadbeef;
ret = GetOverlappedResult(null, &ov, &num_bytes, TRUE);
ok(!ret, "GetOverlappedResult unexpectedly succeeded\n");
}
ok(GetLastError() == ERROR_HANDLE_EOF,
"expected ERROR_HANDLE_EOF, got %u\n", GetLastError());
pNtClose(null);
out:
null = CreateFileA("\\\\.\\Null", GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
ok(null == INVALID_HANDLE_VALUE, "CreateFileA unexpectedly succeeded\n");
ok(GetLastError() == ERROR_FILE_NOT_FOUND,
"expected ERROR_FILE_NOT_FOUND, got %u\n", GetLastError());
null = CreateFileA("\\\\.\\Device\\Null", GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
ok(null == INVALID_HANDLE_VALUE, "CreateFileA unexpectedly succeeded\n");
ok(GetLastError() == ERROR_PATH_NOT_FOUND,
"expected ERROR_PATH_NOT_FOUND, got %u\n", GetLastError());
pRtlFreeUnicodeString(&str);
CloseHandle(ov.hEvent);
}
START_TEST(om)
{
HMODULE hntdll = GetModuleHandleA("ntdll.dll");
@ -1081,4 +1180,5 @@ START_TEST(om)
test_type_mismatch();
test_event();
test_keyed_events();
test_null_device();
}