1 files changed, 40 insertions, 0 deletions
diff --git a/packages/webapi/test/structuredclone.js b/packages/webapi/test/structuredclone.js
new file mode 100644
index 000000000..6605f1f58
--- /dev/null
+++ b/packages/webapi/test/structuredclone.js
@@ -0,0 +1,40 @@
+import { assert, test } from '../run/test.setup.js'
+import { polyfill } from '../mod.js'
+
+test(() => {
+	return [
+		{
+			name: 'Includes structuredClone',
+			test() {
+				const target = {}
+
+				polyfill(target)
+	
+				assert.equal(Reflect.has(target, 'structuredClone'), true)
+				assert.equal(typeof target.structuredClone, 'function')
+			},
+		},
+		{
+			name: 'Supports structuredClone usage',
+			test() {
+				const target = {}
+
+				polyfill(target)
+
+				const obj = {
+					foo: "bar",
+					baz: {
+						qux: "quux",
+					},
+				}
+
+				const clone = target.structuredClone(obj)
+
+				assert.notEqual(obj, clone)
+				assert.notEqual(obj.baz, clone.baz)
+
+				assert.equal(obj.baz.qux, clone.baz.qux)
+			},
+		},
+	]
+})