Added new test

Author: znck

package.json

@@ -27,7 +27,6 @@
     "parse5": "latest",
     "lru-cache": "latest",
     "rollup-pluginutils": "latest",
-    "Promise": "latest",
     "promise": "latest",
     "postcss": "latest",
     "object-assign": "latest",

test/expects/deadcode.js

@@ -0,0 +1,9 @@
+var evens = [2,4,6,8]
+var odds = evens.map(v => v + 1)
+var basic = { template: "<h1 :id=id @click=hi>hello</h1><input type=text>",
+  data() {
+    return odds
+  }
+}
+
+module.exports = basic

test/fixtures/basic.vue

@@ -1,19 +1,9 @@
-<style>
-  html {
-    font-size: 20px;
-  }
-</style>
-
 <template>
   <h1 :id="id" @click="hi">hello</h1>
   <input type="text">
 </template>
 
 <script>
-class Test {
-  ok() {}
-}
-
 var evens = [2,4,6,8]
 var odds = evens.map(v => v + 1)
 export default {

test/fixtures/deadcode.vue

@@ -0,0 +1,18 @@
+<template>
+  <h1 :id="id" @click="hi">hello</h1>
+  <input type="text">
+</template>
+
+<script>
+class Test {
+  ok() {}
+}
+
+var evens = [2,4,6,8]
+var odds = evens.map(v => v + 1)
+export default {
+  data() {
+    return odds
+  }
+}
+</script>