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dxdiagn: Fix return and output behavior of IDxDiagContainer::EnumPropNames.

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This commit is contained in:
Andrew Nguyen 2010-03-14 11:04:20 -06:00 committed by Alexandre Julliard
parent af1bcf7768
commit f1e005410f
2 changed files with 86 additions and 8 deletions
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13
dlls/dxdiagn/container.c
View file

@ -187,16 +187,13 @@ static HRESULT WINAPI IDxDiagContainerImpl_EnumPropNames(PDXDIAGCONTAINER iface,
IDxDiagContainerImpl *This = (IDxDiagContainerImpl *)iface;
IDxDiagContainerImpl_Property* p = NULL;
DWORD i = 0;
TRACE("(%p, %u, %s, %u)\n", iface, dwIndex, debugstr_w(pwszPropName), cchPropName);
if (NULL == pwszPropName) {
TRACE("(%p, %u, %p, %u)\n", iface, dwIndex, pwszPropName, cchPropName);
if (NULL == pwszPropName || 0 == cchPropName) {
return E_INVALIDARG;
}
if (256 > cchPropName) {
return DXDIAG_E_INSUFFICIENT_BUFFER;
}
p = This->properties;
while (NULL != p) {
if (dwIndex == i) {
@ -208,7 +205,7 @@ static HRESULT WINAPI IDxDiagContainerImpl_EnumPropNames(PDXDIAGCONTAINER iface,
}
p = p->next;
++i;
}
}
return E_INVALIDARG;
}

81
dlls/dxdiagn/tests/container.c
View file

@ -387,6 +387,86 @@ cleanup:
IDxDiagProvider_Release(pddp);
}
static void test_EnumPropNames(void)
{
HRESULT hr;
WCHAR container[256], property[256];
IDxDiagContainer *child = NULL;
DWORD count, index, propcount;
static const WCHAR testW[] = {'t','e','s','t',0};
static const WCHAR zerotestW[] = {0,'e','s','t',0};
if (!create_root_IDxDiagContainer())
{
skip("Unable to create the root IDxDiagContainer\n");
return;
}
/* Find a container with a non-zero number of properties. */
hr = IDxDiagContainer_GetNumberOfChildContainers(pddc, &count);
ok(hr == S_OK, "Expected IDxDiagContainer::GetNumberOfChildContainers to return S_OK, got 0x%08x\n", hr);
if (FAILED(hr))
{
skip("IDxDiagContainer::GetNumberOfChildContainers failed\n");
goto cleanup;
}
for (index = 0; index < count; index++)
{
hr = IDxDiagContainer_EnumChildContainerNames(pddc, index, container, sizeof(container)/sizeof(WCHAR));
ok(hr == S_OK, "Expected IDxDiagContainer_EnumChildContainerNames to return S_OK, got 0x%08x\n", hr);
if (FAILED(hr))
{
skip("IDxDiagContainer::EnumChildContainerNames failed\n");
goto cleanup;
}
hr = IDxDiagContainer_GetChildContainer(pddc, container, &child);
ok(hr == S_OK, "Expected IDxDiagContainer::GetChildContainer to return S_OK, got 0x%08x\n", hr);
if (SUCCEEDED(hr))
{
hr = IDxDiagContainer_GetNumberOfProps(child, &propcount);
ok(hr == S_OK, "Expected IDxDiagContainer::GetNumberOfProps to return S_OK, got 0x%08x\n", hr);
if (!propcount)
{
IDxDiagContainer_Release(child);
child = NULL;
}
else
break;
}
}
if (!child)
{
skip("Unable to find a container with non-zero property count\n");
goto cleanup;
}
hr = IDxDiagContainer_EnumPropNames(child, ~0, NULL, 0);
ok(hr == E_INVALIDARG, "Expected IDxDiagContainer::EnumPropNames to return E_INVALIDARG, got 0x%08x\n", hr);
memcpy(property, testW, sizeof(testW));
hr = IDxDiagContainer_EnumPropNames(child, ~0, property, 0);
ok(hr == E_INVALIDARG, "Expected IDxDiagContainer::EnumPropNames to return E_INVALIDARG, got 0x%08x\n", hr);
ok(!memcmp(property, testW, sizeof(testW)),
"Expected the property buffer to be unchanged, got %s\n", wine_dbgstr_w(property));
memcpy(property, testW, sizeof(testW));
hr = IDxDiagContainer_EnumPropNames(child, ~0, property, sizeof(property)/sizeof(WCHAR));
ok(hr == E_INVALIDARG, "Expected IDxDiagContainer::EnumPropNames to return E_INVALIDARG, got 0x%08x\n", hr);
ok(!memcmp(property, testW, sizeof(testW)),
"Expected the property buffer to be unchanged, got %s\n", wine_dbgstr_w(property));
IDxDiagContainer_Release(child);
cleanup:
IDxDiagContainer_Release(pddc);
IDxDiagProvider_Release(pddp);
}
START_TEST(container)
{
CoInitialize(NULL);
@ -395,5 +475,6 @@ START_TEST(container)
test_EnumChildContainerNames();
test_GetChildContainer();
test_dot_parsing();
test_EnumPropNames();
CoUninitialize();
}