1 files changed, 14 insertions, 0 deletions
diff --git a/tensorflow/python/keras/models_test.py b/tensorflow/python/keras/models_test.py
index c616d8f24f..e6e45902a8 100644
--- a/tensorflow/python/keras/models_test.py
+++ b/tensorflow/python/keras/models_test.py
@@ -144,5 +144,19 @@ class CheckpointingTests(test.TestCase):
     model.load_weights(save_prefix)
     self.assertEqual(12., self.evaluate(beta1_power))
 
+class TestModelBackend(test.TestCase):
+
+  def test_model_backend_float64_use_cases(self):
+    # Test case for GitHub issue 19318
+    floatx = keras.backend.floatx()
+    keras.backend.set_floatx('float64')
+
+    x = keras.Input((5,))
+    y = keras.layers.Dense(1)(x)
+    model = keras.models.Model(x, y)
+    model.compile('rmsprop', 'mse')
+
+    keras.backend.set_floatx(floatx)
+
 if __name__ == '__main__':
   test.main()