Add a test case for negative distances

1 files changed, 7 insertions, 0 deletions

diff --git a/tests/runner.py b/tests/runner.py
index 24533e16..57453f77 100755
--- a/tests/runner.py
+++ b/tests/runner.py
@@ -7659,6 +7659,13 @@ elif 'browser' in str(sys.argv):
       Popen(['python', EMCC, path_from_root('tests', 'sdl_fog_simple.c'), '-O2', '--minify', '0', '-o', 'something.html', '--pre-js', 'reftest.js', '--preload-file', 'screenshot.png']).communicate()
       self.run_browser('something.html', 'You should see an image with fog.', '/report_result?0')
 
+    def test_sdl_fog_negative(self):
+      # SDL, OpenGL, textures, fog, immediate mode. Closure for more coverage
+      shutil.copyfile(path_from_root('tests', 'screenshot.png'), os.path.join(self.get_dir(), 'screenshot.png'))
+      self.reftest(path_from_root('tests', 'screenshot-fog-negative.png'))
+      Popen(['python', EMCC, path_from_root('tests', 'sdl_fog_negative.c'), '-O2', '--minify', '0', '-o', 'something.html', '--pre-js', 'reftest.js', '--preload-file', 'screenshot.png']).communicate()
+      self.run_browser('something.html', 'You should see an image with fog.', '/report_result?0')
+
     def test_sdl_fog_density(self):
       # SDL, OpenGL, textures, fog, immediate mode. Closure for more coverage
       shutil.copyfile(path_from_root('tests', 'screenshot.png'), os.path.join(self.get_dir(), 'screenshot.png'))