TST: SparseDataFrame quantile test

Author: Licht-T

pandas/tests/sparse/test_frame.py

@@ -1420,3 +1420,27 @@ def test_where_with_float_other(self):
         expected = dense_df.where(dense_df >= 2, other)
 
         tm.assert_frame_equal(result, expected)
+
+    def test_quantile(self):
+        data = [[1, 1], [2, 10], [3, 100], [4, 100]]
+        q = 0.1
+
+        sparse_df = SparseDataFrame(data)
+        result = sparse_df.quantile(q)
+
+        dense_df = DataFrame(data)
+        expected = dense_df.quantile(q)
+
+        tm.assert_series_equal(result, expected)
+
+    def test_quantile_multi(self):
+        data = [[1, 1], [2, 10], [3, 100], [4, 100]]
+        q = [0.1, 0.5]
+
+        sparse_df = SparseDataFrame(data)
+        result = sparse_df.quantile(q)
+
+        dense_df = DataFrame(data)
+        expected = dense_df.quantile(q)
+
+        tm.assert_frame_equal(result, expected)