diff --git a/testcases/elm-ui/Main.elm b/testcases/elm-ui/Main.elm
new file mode 100644
index 0000000..256ea3b
--- /dev/null
+++ b/testcases/elm-ui/Main.elm
@@ -0,0 +1,51 @@
+port module Main exposing (main)
+
+{-| -}
+
+import Benchmark exposing (..)
+import Benchmark.Runner exposing (BenchmarkProgram, program)
+import Benchmark.Runner.Json
+import Element exposing (..)
+import Element.Background as Background
+import Element.Font as Font
+import Html
+import Html.Attributes as Attr
+import Json.Encode
+
+
+main : Benchmark.Runner.Json.JsonBenchmark
+main =
+    Benchmark.Runner.Json.program reportResults suite
+
+
+port reportResults : Json.Encode.Value -> Cmd msg
+
+
+three =
+    List.repeat 3 0
+
+
+suite : Benchmark
+suite =
+    describe "Elm UI"
+        [ benchmark "create a 4 level nested Elm UI tree" <|
+            \_ ->
+                Element.layout []
+                    (Element.column [] (List.map (viewLevels 4) three))
+        ]
+
+
+blue =
+    rgb 0 0 1
+
+
+viewLevels level _ =
+    if level == 0 then
+        none
+
+    else
+        Element.row
+            [ Font.size 16
+            , Background.color blue
+            ]
+            (List.map (viewLevels (level - 1)) three)
diff --git a/testcases/elm-ui/elm.json b/testcases/elm-ui/elm.json
new file mode 100644
index 0000000..22b005c
--- /dev/null
+++ b/testcases/elm-ui/elm.json
@@ -0,0 +1,31 @@
+{
+    "type": "application",
+    "source-directories": [
+        ".",
+        "../benchmark-utilities"
+    ],
+    "elm-version": "0.19.1",
+    "dependencies": {
+        "direct": {
+            "BrianHicks/elm-trend": "2.1.3",
+            "elm/browser": "1.0.2",
+            "elm/core": "1.0.5",
+            "elm/html": "1.0.0",
+            "elm/json": "1.1.3",
+            "elm-explorations/benchmark": "1.0.1",
+            "mdgriffith/elm-ui": "1.1.8"
+        },
+        "indirect": {
+            "Skinney/murmur3": "2.0.8",
+            "elm/regex": "1.0.0",
+            "elm/time": "1.0.0",
+            "elm/url": "1.0.0",
+            "elm/virtual-dom": "1.0.2",
+            "mdgriffith/style-elements": "5.0.1"
+        }
+    },
+    "test-dependencies": {
+        "direct": {},
+        "indirect": {}
+    }
+}
diff --git a/testcases/elm-ui/standard.html b/testcases/elm-ui/standard.html
new file mode 100644
index 0000000..f076b31
--- /dev/null
+++ b/testcases/elm-ui/standard.html
@@ -0,0 +1,22 @@
+<html>
+  <head>
+    <meta charset="UTF-8" />
+    <title>Main</title>
+    <script src="output/elm.opt.js"></script>
+  </head>
+
+  <body>
+    <div id="myapp"></div>
+    <script>
+      var app = Elm.Main.init({
+        node: document.getElementById('myapp'),
+      });
+
+      window.results = [];
+      app.ports.reportResults.subscribe(function(message) {
+        window.results = message;
+        document.title = 'done';
+      });
+    </script>
+  </body>
+</html>
diff --git a/testcases/elm-ui/transformed.html b/testcases/elm-ui/transformed.html
new file mode 100644
index 0000000..5b8d016
--- /dev/null
+++ b/testcases/elm-ui/transformed.html
@@ -0,0 +1,21 @@
+<html>
+  <head>
+    <meta charset="UTF-8" />
+    <title>Main</title>
+    <script src="output/elm.opt.transformed.js"></script>
+  </head>
+
+  <body>
+    <div id="myapp"></div>
+    <script>
+      var app = Elm.Main.init({
+        node: document.getElementById('myapp'),
+      });
+      window.results = [];
+      app.ports.reportResults.subscribe(function(message) {
+        window.results = message;
+        document.title = 'done';
+      });
+    </script>
+  </body>
+</html>
