diff --git a/test/acceptance/earmark/pmap_test.exs b/test/acceptance/earmark/pmap_test.exs
new file mode 100644
index 00000000..a649bcc3
--- /dev/null
+++ b/test/acceptance/earmark/pmap_test.exs
@@ -0,0 +1,18 @@
+defmodule Test.Acceptance.Earmark.PmapTest do
+  use ExUnit.Case
+
+  describe "pmap" do
+    test "it respects the order" do
+      result = ~W[AlPha BETA gamma] |> Earmark.pmap(&String.downcase/1)
+      assert result == ~W[alpha beta gamma]
+    end
+
+    test "with timeout" do
+      assert_raise Earmark.Error, fn ->
+        Earmark.pmap([1], fn _ -> Process.sleep(20) end, 10)
+      end
+    end
+  end
+
+end
+# SPDX-License-Identifier: Apache-2.0