diff --git a/bruges/filters/test/convolve_test.py b/bruges/filters/test/convolve_test.py
new file mode 100644
index 0000000..e4e564a
--- /dev/null
+++ b/bruges/filters/test/convolve_test.py
@@ -0,0 +1,28 @@
+import unittest
+import numpy as np
+
+from bruges.filters import convolve
+
+
+class ConvolveTest(unittest.TestCase):
+
+    boxcar = np.array([1, 1, 1, 1, 1, 1, 1]) / 7
+    sinc = np.array([-0.        ,  0.        ,  0.        ,  0.        , -0.15321277,
+                  -0.1887466 ,  0.17251039,  0.72943393,  1.        ,  0.72943393,
+                   0.17251039, -0.1887466 , -0.15321277,  0.        ,  0.        ,
+                   0.        , -0.        ])
+
+    def test_1d(self):
+        rng = np.random.default_rng(42)
+        data = rng.uniform(size=96)
+        result = convolve(data, self.boxcar)
+        self.assertTrue(result.shape == data.shape)
+
+        data2 = np.zeros(100)
+        data2[50] = 1
+        result2 = convolve(data2, self.boxcar)
+        self.assertTrue(result2.sum() - 7 < 1e-6)
+
+if __name__ == '__main__':
+    suite = unittest.TestLoader().loadTestsFromTestCase(ConvolveTest)
+    unittest.TextTestRunner(verbosity=2).run(suite)