Tony Wasserka : windowscodecs: Add tests for IWICStream_Seek with memory streams.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 12354a84cb78a2be028dd81fd9d96b94ca3f944d
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=12354a84cb78a2be028dd81fd9d96b94ca3f944d

Author: Tony Wasserka <tony.wasserka at freenet.de>
Date:   Sun Aug 23 11:43:09 2009 +0200

windowscodecs: Add tests for IWICStream_Seek with memory streams.

---

 dlls/windowscodecs/tests/stream.c |   40 +++++++++++++++++++++++++++++++++++++
 1 files changed, 40 insertions(+), 0 deletions(-)

diff --git a/dlls/windowscodecs/tests/stream.c b/dlls/windowscodecs/tests/stream.c
index 20ac810..255cf14 100644
--- a/dlls/windowscodecs/tests/stream.c
+++ b/dlls/windowscodecs/tests/stream.c
@@ -32,8 +32,12 @@ static void test_StreamOnMemory(void)
         0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
     };
     BYTE Memory[64];
+    LARGE_INTEGER LargeNull, LargeInt;
+    ULARGE_INTEGER uNewPos;
     HRESULT hr;
 
+    LargeNull.QuadPart = 0;
+
     memcpy(Memory, CmpMem, sizeof(CmpMem));
 
     CoInitialize(NULL);
@@ -70,6 +74,42 @@ static void test_StreamOnMemory(void)
     ok(hr == S_OK, "InitializeFromMemory returned with %#x, expected %#x\n", hr, S_OK);
 
 
+    /* Seek */
+    hr = IWICStream_Seek(pStream, LargeNull, STREAM_SEEK_SET, &uNewPos);
+    ok(hr == S_OK, "Seek returned with %#x, expected %#x\n", hr, S_OK);
+    ok(uNewPos.HighPart == 0 && uNewPos.LowPart == 0, "Seek cursor moved to position (%u;%u), expected (%u;%u)\n", uNewPos.HighPart, uNewPos.LowPart, 0, 0);
+
+    hr = IWICStream_Seek(pStream, LargeNull, STREAM_SEEK_SET, NULL);
+    ok(hr == S_OK, "Seek returned with %#x, expected %#x\n", hr, S_OK);
+
+    LargeInt.HighPart = 1;
+    LargeInt.LowPart = 0;
+    hr = IWICStream_Seek(pStream, LargeInt, STREAM_SEEK_SET, &uNewPos);
+    ok(hr == HRESULT_FROM_WIN32(ERROR_ARITHMETIC_OVERFLOW), "Seek returned with %#x, expected %#x\n", hr, HRESULT_FROM_WIN32(ERROR_ARITHMETIC_OVERFLOW));
+    ok(uNewPos.HighPart == 0 && uNewPos.LowPart == 0, "Seek cursor moved to position (%u;%u), expected (%u;%u)\n", uNewPos.HighPart, uNewPos.LowPart, 0, 0);
+
+    LargeInt.QuadPart = sizeof(Memory) + 10;
+    hr = IWICStream_Seek(pStream, LargeInt, STREAM_SEEK_SET, &uNewPos);
+    ok(hr == E_INVALIDARG, "Seek returned with %#x, expected %#x\n", hr, E_INVALIDARG);
+    ok(uNewPos.HighPart == 0 && uNewPos.LowPart == 0, "Seek cursor moved to position (%u;%u), expected (%u;%u)\n", uNewPos.HighPart, uNewPos.LowPart, 0, 0);
+
+    LargeInt.QuadPart = 1;
+    hr = IWICStream_Seek(pStream, LargeInt, STREAM_SEEK_END, &uNewPos);
+    ok(hr == E_INVALIDARG, "Seek returned with %#x, expected %#x\n", hr, E_INVALIDARG);
+    ok(uNewPos.HighPart == 0 && uNewPos.LowPart == 0, "Seek cursor moved to position (%u;%u), expected (%u;%u)\n", uNewPos.HighPart, uNewPos.LowPart, 0, 0);
+
+    LargeInt.QuadPart = -1;
+    hr = IWICStream_Seek(pStream, LargeInt, STREAM_SEEK_END, &uNewPos);
+    ok(hr == S_OK, "Seek returned with %#x, expected %#x\n", hr, S_OK);
+    ok(uNewPos.HighPart == 0 && uNewPos.LowPart == sizeof(Memory) - 1, "bSeek cursor moved to position (%u;%u), expected (%u;%u)\n", uNewPos.HighPart, uNewPos.LowPart, 0, sizeof(Memory) - 1);
+
+    IWICStream_Seek(pStream, LargeNull, STREAM_SEEK_SET, &uNewPos); /* reset seek pointer */
+    LargeInt.QuadPart = -sizeof(Memory) - 5;
+    hr = IWICStream_Seek(pStream, LargeInt, STREAM_SEEK_END, &uNewPos);
+    ok(hr == E_INVALIDARG, "Seek returned with %#x, expected %#x\n", hr, E_INVALIDARG);
+    ok(uNewPos.HighPart == 0 && uNewPos.LowPart == 0, "bSeek cursor moved to position (%u;%u), expected (%u;%u)\n", uNewPos.HighPart, uNewPos.LowPart, 0, 0); /* remains unchanged */
+
+
     IWICStream_Release(pStream);
     IWICStream_Release(pFactory);
     CoUninitialize();