test/test-column.rb in red-arrow-8.0.0 vs test/test-column.rb in red-arrow-9.0.0

@@ -87,6 +87,37 @@
       assert do
         not table.visible == 29
       end
     end
   end
+
+  test("#count") do
+    table = Arrow::Table.new("revenue" => [1, nil, 3])
+    assert_equal(2, table["revenue"].count)
+  end
+
+  test("#min") do
+    table = Arrow::Table.new("revenue" => [1, 2, 3])
+    assert_equal(1, table["revenue"].min)
+  end
+
+  test("#max") do
+    table = Arrow::Table.new("revenue" => [1, 2, 3])
+    assert_equal(3, table["revenue"].max)
+  end
+
+  test("#sum") do
+    table = Arrow::Table.new("revenue" => [1, 2, 3])
+    assert_equal(6, table["revenue"].sum)
+  end
+
+  test("#uniq") do
+    table = Arrow::Table.new("revenue" => [1, 2, 2])
+    assert_equal([1, 2], table["revenue"].uniq)
+  end
+
+  test("#cast") do
+    table = Arrow::Table.new("revenue" => [1, nil, 3])
+    assert_equal(Arrow::ChunkedArray.new([["1", nil, "3"]]),
+                 table["revenue"].cast(:string))
+  end
 end