From 81b5d7f7ffa793cb440b21b5d84e7b5a87d7b5aa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Tue, 2 Oct 2018 14:38:18 +0200
Subject: [PATCH] GL: prevent a test crash on SwiftShader.

There's much more. Giving up for now.
---
 src/Magnum/GL/Test/CubeMapTextureGLTest.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Magnum/GL/Test/CubeMapTextureGLTest.cpp b/src/Magnum/GL/Test/CubeMapTextureGLTest.cpp
index 6662a7d59..8935879ea 100644
--- a/src/Magnum/GL/Test/CubeMapTextureGLTest.cpp
+++ b/src/Magnum/GL/Test/CubeMapTextureGLTest.cpp
@@ -1399,6 +1399,8 @@ void CubeMapTextureGLTest::generateMipmap() {
     CORRADE_COMPARE(texture.imageSize(1), Vector2i( 0));
     #endif
 
+    MAGNUM_VERIFY_NO_GL_ERROR();
+
     texture.generateMipmap();
 
     MAGNUM_VERIFY_NO_GL_ERROR();