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windowscodecs/tests: Add basic test for IWICMetadataQueryWriter_GetEnumerator(). 

Signed-off-by: Paul Gofman <pgofman@codeweavers.com>
Signed-off-by: Esme Povirk <esme@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Paul Gofman 2021-11-24 15:04:16 +03:00 committed by Alexandre Julliard
parent 9716f4e028
commit 67489d553a
1 changed files with 51 additions and 0 deletions
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51
dlls/windowscodecs/tests/metadata.c
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@ -198,6 +198,13 @@ static const char animatedgif[] = {
0x21,0x01,0x0C,'p','l','a','i','n','t','e','x','t',' ','#','2',0x00,0x3B
};
static ULONG get_refcount(void *iface)
{
IUnknown *unknown = iface;
IUnknown_AddRef(unknown);
return IUnknown_Release(unknown);
}
static IStream *create_stream(const char *data, int data_size)
{
HRESULT hr;
@ -3073,6 +3080,9 @@ static void test_metadata_writer(void)
IWICBitmapFrameEncode *frameencode;
IWICComponentFactory *factory;
IWICBitmapEncoder *encoder;
IEnumString *enumstring;
LPOLESTR olestring;
ULONG ref, count;
IStream *stream;
unsigned int i;
HRESULT hr;
@ -3124,6 +3134,47 @@ static void test_metadata_writer(void)
IWICComponentFactory_Release(factory);
if (querywriter)
{
ref = get_refcount(querywriter);
ok(ref == 1, "Got unexpected ref %u, i %u.\n", ref, i);
hr = IWICMetadataQueryWriter_QueryInterface(querywriter, &IID_IEnumString, (void **)&enumstring);
ok(hr == E_NOINTERFACE, "Got unexpected hr %#x, i %u.\n", hr, i);
hr = IWICMetadataQueryWriter_GetEnumerator(querywriter, &enumstring);
ok(hr == S_OK, "Got unexpected hr %#x, i %u.\n", hr, i);
ref = get_refcount(querywriter);
ok(ref == 1, "Got unexpected ref %u, i %u.\n", ref, i);
hr = IEnumString_Skip(enumstring, 0);
ok(hr == S_OK, "Got unexpected hr %#x, i %u.\n", hr, i);
count = 0xdeadbeef;
hr = IEnumString_Next(enumstring, 0, NULL, &count);
ok(hr == E_INVALIDARG, "Got unexpected hr %#x, i %u.\n", hr, i);
ok(count == 0xdeadbeef, "Got unexpected count %u, i %u.\n", count, i);
hr = IEnumString_Next(enumstring, 0, &olestring, &count);
ok(hr == S_OK || hr == WINCODEC_ERR_VALUEOUTOFRANGE, "Got unexpected hr %#x, i %u.\n", hr, i);
count = 0xdeadbeef;
hr = IEnumString_Next(enumstring, 1, &olestring, &count);
ok(hr == S_OK || hr == S_FALSE, "Got unexpected hr %#x, i %u.\n", hr, i);
ok((hr && !count) || (!hr && count == 1), "Got unexpected hr %#x, count %u, i %u.\n", hr, count, i);
if (count)
{
CoTaskMemFree(olestring);
/* IEnumString_Skip() crashes at least on Win7 when
* trying to skip past the string count. */
hr = IEnumString_Reset(enumstring);
ok(hr == S_OK, "Got unexpected hr %#x, i %u.\n", hr, i);
hr = IEnumString_Skip(enumstring, 1);
ok(hr == S_OK, "Got unexpected hr %#x, i %u.\n", hr, i);
}
IEnumString_Release(enumstring);
IWICMetadataQueryWriter_Release(querywriter);
IWICMetadataQueryWriter_Release(querywriter2);
IWICMetadataBlockWriter_Release(blockwriter);