Sebastian Lackner : ntdll/tests: Add tests for RtlDecompressFragment.
Alexandre Julliard
julliard at wine.codeweavers.com
Fri Jul 10 08:50:49 CDT 2015
Module: wine
Branch: master
Commit: db1e8a686e0fa0a80809418a54a658fce636ce70
URL: http://source.winehq.org/git/wine.git/?a=commit;h=db1e8a686e0fa0a80809418a54a658fce636ce70
Author: Sebastian Lackner <sebastian at fds-team.de>
Date: Fri Jul 10 06:41:51 2015 +0200
ntdll/tests: Add tests for RtlDecompressFragment.
---
dlls/ntdll/tests/rtl.c | 93 +++++++++++++++++++++++++++++++++++++++++++++++---
1 file changed, 89 insertions(+), 4 deletions(-)
diff --git a/dlls/ntdll/tests/rtl.c b/dlls/ntdll/tests/rtl.c
index a1b9327..4903790 100644
--- a/dlls/ntdll/tests/rtl.c
+++ b/dlls/ntdll/tests/rtl.c
@@ -94,6 +94,7 @@ static NTSTATUS (WINAPI *pLdrLockLoaderLock)(ULONG, ULONG*, ULONG_PTR*);
static NTSTATUS (WINAPI *pLdrUnlockLoaderLock)(ULONG, ULONG_PTR);
static NTSTATUS (WINAPI *pRtlGetCompressionWorkSpaceSize)(USHORT, PULONG, PULONG);
static NTSTATUS (WINAPI *pRtlDecompressBuffer)(USHORT, PUCHAR, ULONG, const UCHAR*, ULONG, PULONG);
+static NTSTATUS (WINAPI *pRtlDecompressFragment)(USHORT, PUCHAR, ULONG, const UCHAR*, ULONG, ULONG, PULONG, PVOID);
static NTSTATUS (WINAPI *pRtlCompressBuffer)(USHORT, const UCHAR*, ULONG, PUCHAR, ULONG, ULONG, PULONG, PVOID);
static HMODULE hkernel32 = 0;
@@ -144,6 +145,7 @@ static void InitFunctionPtrs(void)
pLdrUnlockLoaderLock = (void *)GetProcAddress(hntdll, "LdrUnlockLoaderLock");
pRtlGetCompressionWorkSpaceSize = (void *)GetProcAddress(hntdll, "RtlGetCompressionWorkSpaceSize");
pRtlDecompressBuffer = (void *)GetProcAddress(hntdll, "RtlDecompressBuffer");
+ pRtlDecompressFragment = (void *)GetProcAddress(hntdll, "RtlDecompressFragment");
pRtlCompressBuffer = (void *)GetProcAddress(hntdll, "RtlCompressBuffer");
}
hkernel32 = LoadLibraryA("kernel32.dll");
@@ -1946,14 +1948,14 @@ static void test_RtlDecompressBuffer(void)
}
};
- static UCHAR buf[0x2000];
- NTSTATUS status;
+ static UCHAR buf[0x2000], workspace[0x1000];
+ NTSTATUS status, expected_status;
ULONG final_size;
int i;
- if (!pRtlDecompressBuffer)
+ if (!pRtlDecompressBuffer || !pRtlDecompressFragment)
{
- win_skip("RtlDecompressBuffer is not available\n");
+ win_skip("RtlDecompressBuffer or RtlDecompressFragment is not available\n");
return;
}
@@ -2071,6 +2073,89 @@ static void test_RtlDecompressBuffer(void)
ok(final_size == 0, "%d: got wrong final_size %u\n", i, final_size);
ok(buf[0] == 0x11, "%d: buf[0] was modified\n", i);
}
+
+ /* test RtlDecompressFragment with offset = 0 */
+ final_size = 0xdeadbeef;
+ memset(buf, 0x11, sizeof(buf));
+ status = pRtlDecompressFragment(COMPRESSION_FORMAT_LZNT1, buf, sizeof(buf), test_lznt[i].compressed,
+ test_lznt[i].compressed_size, 0, &final_size, workspace);
+ if (test_lznt[i].broken_flags & DECOMPRESS_BROKEN_FRAGMENT)
+ todo_wine
+ ok(status == STATUS_BAD_COMPRESSION_BUFFER, "%d: got wrong status 0x%08x\n", i, status);
+ else
+ ok(status == test_lznt[i].status, "%d: got wrong status 0x%08x\n", i, status);
+ if (!status)
+ {
+ ok(final_size == test_lznt[i].uncompressed_size,
+ "%d: got wrong final_size %u\n", i, final_size);
+ ok(!memcmp(buf, test_lznt[i].uncompressed, test_lznt[i].uncompressed_size),
+ "%d: got wrong decoded data\n", i);
+ ok(buf[test_lznt[i].uncompressed_size] == 0x11,
+ "%d: buf[%u] was modified\n", i, test_lznt[i].uncompressed_size);
+ }
+
+ /* test RtlDecompressFragment with offset = 1 */
+ final_size = 0xdeadbeef;
+ memset(buf, 0x11, sizeof(buf));
+ status = pRtlDecompressFragment(COMPRESSION_FORMAT_LZNT1, buf, sizeof(buf), test_lznt[i].compressed,
+ test_lznt[i].compressed_size, 1, &final_size, workspace);
+ if (test_lznt[i].broken_flags & DECOMPRESS_BROKEN_FRAGMENT)
+ todo_wine
+ ok(status == STATUS_BAD_COMPRESSION_BUFFER, "%d: got wrong status 0x%08x\n", i, status);
+ else
+ ok(status == test_lznt[i].status, "%d: got wrong status 0x%08x\n", i, status);
+ if (!status)
+ {
+ if (test_lznt[i].uncompressed_size == 0)
+ {
+ todo_wine
+ ok(final_size == 4095, "%d: got wrong final_size %u\n", i, final_size);
+ /* Buffer doesn't contain any useful value on Windows */
+ ok(buf[4095] == 0x11, "%d: buf[4095] was modified\n", i);
+ }
+ else
+ {
+ ok(final_size == test_lznt[i].uncompressed_size - 1,
+ "%d: got wrong final_size %u\n", i, final_size);
+ ok(!memcmp(buf, test_lznt[i].uncompressed + 1, test_lznt[i].uncompressed_size - 1),
+ "%d: got wrong decoded data\n", i);
+ ok(buf[test_lznt[i].uncompressed_size - 1] == 0x11,
+ "%d: buf[%u] was modified\n", i, test_lznt[i].uncompressed_size - 1);
+ }
+ }
+
+ /* test RtlDecompressFragment with offset = 4095 */
+ final_size = 0xdeadbeef;
+ memset(buf, 0x11, sizeof(buf));
+ status = pRtlDecompressFragment(COMPRESSION_FORMAT_LZNT1, buf, sizeof(buf), test_lznt[i].compressed,
+ test_lznt[i].compressed_size, 4095, &final_size, workspace);
+ if (test_lznt[i].broken_flags & DECOMPRESS_BROKEN_FRAGMENT)
+ todo_wine
+ ok(status == STATUS_BAD_COMPRESSION_BUFFER, "%d: got wrong status 0x%08x\n", i, status);
+ else
+ ok(status == test_lznt[i].status, "%d: got wrong status 0x%08x\n", i, status);
+ if (!status)
+ {
+ todo_wine
+ ok(final_size == 1, "%d: got wrong final_size %u\n", i, final_size);
+ todo_wine
+ ok(buf[0] == 0, "%d: padding is not zero\n", i);
+ ok(buf[1] == 0x11, "%d: buf[1] was modified\n", i);
+ }
+
+ /* test RtlDecompressFragment with offset = 4096 */
+ final_size = 0xdeadbeef;
+ memset(buf, 0x11, sizeof(buf));
+ status = pRtlDecompressFragment(COMPRESSION_FORMAT_LZNT1, buf, sizeof(buf), test_lznt[i].compressed,
+ test_lznt[i].compressed_size, 4096, &final_size, workspace);
+ expected_status = is_incomplete_chunk(test_lznt[i].compressed, test_lznt[i].compressed_size, TRUE) ?
+ test_lznt[i].status : STATUS_SUCCESS;
+ ok(status == expected_status, "%d: got wrong status 0x%08x, expected 0x%08x\n", i, status, expected_status);
+ if (!status)
+ {
+ ok(final_size == 0, "%d: got wrong final_size %u\n", i, final_size);
+ ok(buf[0] == 0x11, "%d: buf[4096] was modified\n", i);
+ }
}
}
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