1 files changed, 59 insertions, 0 deletions
diff --git a/packages/webapi/test/characterdata.js b/packages/webapi/test/characterdata.js
new file mode 100644
index 000000000..a211586ea
--- /dev/null
+++ b/packages/webapi/test/characterdata.js
@@ -0,0 +1,59 @@
+import { assert, test } from '../run/test.setup.js'
+import { polyfill } from '../mod.js'
+
+test(() => {
+	return [
+		{
+			name: 'Includes CharacterData functionality',
+			test() {
+				const target = {}
+
+				polyfill(target)
+
+				assert.equal(Reflect.has(target, 'CharacterData'), true)
+				assert.equal(Reflect.has(target, 'Text'), true)
+				assert.equal(Reflect.has(target, 'Comment'), true)
+			},
+		},
+		{
+			name: 'Throws new CharacterData',
+			test() {
+				const target = {}
+
+				polyfill(target)
+			},
+		},
+		{
+			name: 'Supports new Comment',
+			test() {
+				const target = polyfill({})
+
+				assert.doesNotThrow(() => {
+					new target.Comment()
+				})
+
+				assert.equal(new target.Comment().constructor.name, 'Comment')
+				assert.equal(Object.prototype.toString.call(new target.Comment()), '[object Comment]')
+
+				assert.equal(new target.Comment('hello').data, 'hello')
+				assert.equal(new target.Comment('hello').textContent, 'hello')
+			},
+		},
+		{
+			name: 'Supports new Text',
+			test() {
+				const target = polyfill({})
+
+				assert.doesNotThrow(() => {
+					new target.Text()
+				})
+
+				assert.equal(new target.Text().constructor.name, 'Text')
+				assert.equal(Object.prototype.toString.call(new target.Text()), '[object Text]')
+
+				assert.equal(new target.Text('hello').data, 'hello')
+				assert.equal(new target.Text('hello').textContent, 'hello')
+			},
+		},
+	]
+})