[PATCH 3/3] windowscodecs/tests: Add basic test for IWICMetadataQueryWriter_GetEnumerator().
Paul Gofman
pgofman at codeweavers.com
Wed Nov 24 06:04:16 CST 2021
Signed-off-by: Paul Gofman <pgofman at codeweavers.com>
---
dlls/windowscodecs/tests/metadata.c | 51 +++++++++++++++++++++++++++++
1 file changed, 51 insertions(+)
diff --git a/dlls/windowscodecs/tests/metadata.c b/dlls/windowscodecs/tests/metadata.c
index b597e5490c6..bec8bb08c76 100644
--- a/dlls/windowscodecs/tests/metadata.c
+++ b/dlls/windowscodecs/tests/metadata.c
@@ -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);
--
2.33.1
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