Add test case for no discrete spaces

tests/test_cmawm.py

@@ -0,0 +1,35 @@
+import warnings
+
+import numpy as np
+from numpy.testing import assert_almost_equal
+from unittest import TestCase
+from cmaes import CMA, CMAwM
+
+
+class TestCMAwM(TestCase):
+    def test_no_discrete_spaces(self):
+        mean = np.zeros(2)
+        bounds = np.array([[-10, 10], [-10, 10]])
+        steps = np.array([0, 0])
+        sigma = 1.3
+        seed = 1
+
+        cma_optimizer = CMA(mean=mean, sigma=sigma, bounds=bounds, seed=seed)
+        with warnings.catch_warnings():
+            warnings.simplefilter("ignore", category=UserWarning)
+            cmawm_optimizer = CMAwM(
+                mean=mean, sigma=sigma, bounds=bounds, steps=steps, seed=seed
+            )
+
+        for i in range(100):
+            solutions = []
+            for _ in range(cma_optimizer.population_size):
+                cma_x = cma_optimizer.ask()
+                cmawm_x_encoded, cmawm_x_for_tell = cmawm_optimizer.ask()
+                assert_almost_equal(cma_x, cmawm_x_encoded)
+                assert_almost_equal(cma_x, cmawm_x_for_tell)
+
+                objective = (cma_x[0] - 3) ** 2 + cma_x[1] ** 2
+                solutions.append((cma_x, objective))
+            cma_optimizer.tell(solutions)
+            cmawm_optimizer.tell(solutions)