From dee10204f91fe6e0838b155b88c7f6669b68e931 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Sun, 21 Jan 2018 22:14:01 +0100
Subject: [PATCH] SceneGraph: test crash and burn when deleting a running
 animable.

Yes. It does.
---
 src/Magnum/SceneGraph/Test/AnimableTest.cpp | 26 +++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/src/Magnum/SceneGraph/Test/AnimableTest.cpp b/src/Magnum/SceneGraph/Test/AnimableTest.cpp
index 248dded00..61ad2a061 100644
--- a/src/Magnum/SceneGraph/Test/AnimableTest.cpp
+++ b/src/Magnum/SceneGraph/Test/AnimableTest.cpp
@@ -42,6 +42,8 @@ struct AnimableTest: TestSuite::Tester {
     void stop();
     void pause();
 
+    void deleteWhileRunning();
+
     void debug();
 };
 
@@ -55,6 +57,8 @@ AnimableTest::AnimableTest() {
               &AnimableTest::stop,
               &AnimableTest::pause,
 
+              &AnimableTest::deleteWhileRunning,
+
               &AnimableTest::debug});
 }
 
@@ -351,6 +355,28 @@ void AnimableTest::pause() {
     CORRADE_COMPARE(animable.time, 2.0f);
 }
 
+void AnimableTest::deleteWhileRunning() {
+    Object3D object;
+    AnimableGroup3D group;
+    CORRADE_COMPARE(group.runningCount(), 0);
+
+    {
+        OneShotAnimable animable(object, &group);
+
+        /* Eat up some absolute time */
+        group.step(1.0f, 0.5f);
+        group.step(1.5f, 0.5f);
+        CORRADE_COMPARE(group.runningCount(), 1);
+
+        CORRADE_COMPARE(animable.state(), AnimationState::Running);
+        CORRADE_COMPARE(animable.time, 0.5f);
+    }
+
+    /* Animable got deleted, stepping further should not crash and burn (tm) */
+    group.step(1.5f, 0.5f);
+    CORRADE_COMPARE(group.runningCount(), 0);
+}
+
 void AnimableTest::debug() {
     std::ostringstream o;
     Debug(&o) << AnimationState::Running << AnimationState(0xbe);