4 files changed, 69 insertions, 0 deletions
diff --git a/tests/specs/fmt/unstable_component/__test__.jsonc b/tests/specs/fmt/unstable_component/__test__.jsonc
new file mode 100644
index 000000000..a8f8697da
--- /dev/null
+++ b/tests/specs/fmt/unstable_component/__test__.jsonc
@@ -0,0 +1,25 @@
+{
+  "tempDir": true,
+  "tests": {
+    "nothing": {
+      "args": "fmt",
+      "output": "Checked 1 file\n"
+    },
+    "flag": {
+      "args": "fmt --unstable-css --unstable-component",
+      "output": "[WILDLINE]badly_formatted.svelte\nChecked 1 file\n"
+    },
+    "config_file": {
+      "steps": [{
+        "args": [
+          "eval",
+          "Deno.writeTextFile('deno.json', '{\\n  \"unstable\": [\"fmt-css\", \"fmt-component\"]\\n}\\n')"
+        ],
+        "output": "[WILDCARD]"
+      }, {
+        "args": "fmt",
+        "output": "[WILDLINE]badly_formatted.svelte\nChecked 2 files\n"
+      }]
+    }
+  }
+}
diff --git a/tests/specs/fmt/unstable_component/badly_formatted.svelte b/tests/specs/fmt/unstable_component/badly_formatted.svelte
new file mode 100644
index 000000000..3a3cbe9b3
--- /dev/null
+++ b/tests/specs/fmt/unstable_component/badly_formatted.svelte
@@ -0,0 +1,10 @@
+<script lang="ts">
+let a:number
+let b  :   number
+</script>
+
+<div class:active={ active } > {a+b} </div>
+
+<style>
+.active{}
+</style>
diff --git a/tests/specs/fmt/unstable_html/__test__.jsonc b/tests/specs/fmt/unstable_html/__test__.jsonc
new file mode 100644
index 000000000..2394805ad
--- /dev/null
+++ b/tests/specs/fmt/unstable_html/__test__.jsonc
@@ -0,0 +1,25 @@
+{
+  "tempDir": true,
+  "tests": {
+    "nothing": {
+      "args": "fmt",
+      "output": "Checked 1 file\n"
+    },
+    "flag": {
+      "args": "fmt --unstable-css --unstable-html",
+      "output": "[WILDLINE]badly_formatted.html\nChecked 1 file\n"
+    },
+    "config_file": {
+      "steps": [{
+        "args": [
+          "eval",
+          "Deno.writeTextFile('deno.json', '{\\n  \"unstable\": [\"fmt-css\", \"fmt-html\"]\\n}\\n')"
+        ],
+        "output": "[WILDCARD]"
+      }, {
+        "args": "fmt",
+        "output": "[WILDLINE]badly_formatted.html\nChecked 2 files\n"
+      }]
+    }
+  }
+}
diff --git a/tests/specs/fmt/unstable_html/badly_formatted.html b/tests/specs/fmt/unstable_html/badly_formatted.html
new file mode 100644
index 000000000..de7706ac7
--- /dev/null
+++ b/tests/specs/fmt/unstable_html/badly_formatted.html
@@ -0,0 +1,9 @@
+<div class=container > content </div>
+
+<script>
+let  counter=0
+</script>
+
+<style>
+.container{padding:8px}
+</style>