1 files changed, 41 insertions, 0 deletions
diff --git a/std/encoding/_yaml/stringify_test.ts b/std/encoding/_yaml/stringify_test.ts
new file mode 100644
index 000000000..03a3090d9
--- /dev/null
+++ b/std/encoding/_yaml/stringify_test.ts
@@ -0,0 +1,41 @@
+// Ported from js-yaml v3.13.1:
+// https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
+// Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
+
+import { assertEquals } from "../../testing/asserts.ts";
+import { stringify } from "./stringify.ts";
+
+Deno.test({
+  name: "stringified correctly",
+  fn(): void {
+    const FIXTURE = {
+      foo: {
+        bar: true,
+        test: [
+          "a",
+          "b",
+          {
+            a: false,
+          },
+          {
+            a: false,
+          },
+        ],
+      },
+      test: "foobar",
+    };
+
+    const ASSERTS = `foo:
+  bar: true
+  test:
+    - a
+    - b
+    - a: false
+    - a: false
+test: foobar
+`;
+
+    assertEquals(stringify(FIXTURE), ASSERTS);
+  },
+});