From 2322267af4d532d5f189d4bfb3aeb04a7e7ab63d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Fri, 14 Feb 2020 13:42:10 +0100
Subject: [PATCH] Harden ResourceManager::setFallback() test.

Removing a fallback should trigger update of the falled-back resources
as well. Works as expected.
---
 src/Magnum/Test/ResourceManagerTest.cpp | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/Magnum/Test/ResourceManagerTest.cpp b/src/Magnum/Test/ResourceManagerTest.cpp
index 89a68179a..9e0dfed69 100644
--- a/src/Magnum/Test/ResourceManagerTest.cpp
+++ b/src/Magnum/Test/ResourceManagerTest.cpp
@@ -221,9 +221,15 @@ void ResourceManagerTest::state() {
 void ResourceManagerTest::stateFallback() {
     {
         ResourceManager rm;
-        rm.setFallback(Containers::pointer<Data>());
 
+        /* Fetching a resource that's not loaded first */
         Resource<Data> data = rm.get<Data>("data");
+        CORRADE_VERIFY(!data);
+        CORRADE_COMPARE(data.state(), ResourceState::NotLoaded);
+        CORRADE_COMPARE(rm.state<Data>("data"), ResourceState::NotLoaded);
+
+        /* Setting a fallback should make the resource fetch it */
+        rm.setFallback(Containers::pointer<Data>());
         CORRADE_VERIFY(data);
         CORRADE_COMPARE(data.state(), ResourceState::NotLoadedFallback);
         CORRADE_COMPARE(rm.state<Data>("data"), ResourceState::NotLoadedFallback);
@@ -240,6 +246,12 @@ void ResourceManagerTest::stateFallback() {
 
         /* Only fallback is here */
         CORRADE_COMPARE(Data::count, 1);
+
+        /* Unsetting a fallback should make the resource go back to empty */
+        rm.setFallback<Data>(nullptr);
+        CORRADE_VERIFY(!data);
+        CORRADE_COMPARE(data.state(), ResourceState::NotFound);
+        CORRADE_COMPARE(rm.state<Data>("data"), ResourceState::NotFound);
     }
 
     /* Fallback gets destroyed */