From 4807a8f588c67e2296474399368a96c0046120fd Mon Sep 17 00:00:00 2001 From: Gijs Vermeulen Date: Mon, 23 Nov 2020 17:29:28 +0100 Subject: [PATCH] quartz: Only return S_FALSE in IEnumFilters::Skip() if count goes past the end of the sequence. Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=28332 Signed-off-by: Gijs Vermeulen Signed-off-by: Zebediah Figura Signed-off-by: Alexandre Julliard --- dlls/quartz/filtergraph.c | 2 +- dlls/quartz/tests/filtergraph.c | 24 ++++++++++++++++++++++++ 2 files changed, 25 insertions(+), 1 deletion(-) diff --git a/dlls/quartz/filtergraph.c b/dlls/quartz/filtergraph.c index ff96c82baee..cf2421f64e2 100644 --- a/dlls/quartz/filtergraph.c +++ b/dlls/quartz/filtergraph.c @@ -331,7 +331,7 @@ static HRESULT WINAPI EnumFilters_Skip(IEnumFilters *iface, ULONG count) while (count--) { if (!(enum_filters->cursor = list_next(&enum_filters->graph->filters, enum_filters->cursor))) - return S_FALSE; + return count ? S_FALSE : S_OK; } return S_OK; diff --git a/dlls/quartz/tests/filtergraph.c b/dlls/quartz/tests/filtergraph.c index 7d423da6078..e4b72958e10 100644 --- a/dlls/quartz/tests/filtergraph.c +++ b/dlls/quartz/tests/filtergraph.c @@ -695,6 +695,30 @@ static void test_enum_filters(void) hr = IEnumFilters_Reset(enum1); ok(hr == S_OK, "Got hr %#x.\n", hr); + hr = IEnumFilters_Skip(enum1, 0); + ok(hr == S_OK, "Got hr %#x.\n", hr); + + hr = IEnumFilters_Skip(enum1, 1); + ok(hr == S_OK, "Got hr %#x.\n", hr); + + hr = IEnumFilters_Skip(enum1, 2); + ok(hr == S_FALSE, "Got hr %#x.\n", hr); + + hr = IEnumFilters_Skip(enum1, 1); + ok(hr == E_INVALIDARG, "Got hr %#x.\n", hr); + + hr = IEnumFilters_Reset(enum1); + ok(hr == S_OK, "Got hr %#x.\n", hr); + + hr = IEnumFilters_Skip(enum1, 2); + ok(hr == S_OK, "Got hr %#x.\n", hr); + + hr = IEnumFilters_Skip(enum1, 1); + ok(hr == E_INVALIDARG, "Got hr %#x.\n", hr); + + hr = IEnumFilters_Reset(enum1); + ok(hr == S_OK, "Got hr %#x.\n", hr); + hr = IEnumFilters_Next(enum1, 1, filters, NULL); ok(hr == S_OK, "Got hr %#x.\n", hr); ok(filters[0] == filter2, "Got filter %p.\n", filters[0]); -- 2.11.4.GIT