From be3249bf2fa3cbe3bfeb77c8394da47887d30493 Mon Sep 17 00:00:00 2001
From: Surma <surma@chromium.org>
Date: Thu, 10 Jun 2021 11:31:59 -0400
Subject: [PATCH] Add test case

---
 codecs/visdif/package.json |  1 +
 codecs/visdif/test.mjs     | 22 ++++++++++++++++++++++
 2 files changed, 23 insertions(+)
 create mode 100644 codecs/visdif/test.mjs

diff --git a/codecs/visdif/package.json b/codecs/visdif/package.json
index 19b0fc64..b51d5a07 100644
--- a/codecs/visdif/package.json
+++ b/codecs/visdif/package.json
@@ -1,5 +1,6 @@
 {
   "name": "avif",
+  "type": "module",
   "scripts": {
     "build": "../build-cpp.sh"
   }
diff --git a/codecs/visdif/test.mjs b/codecs/visdif/test.mjs
new file mode 100644
index 00000000..196799ed
--- /dev/null
+++ b/codecs/visdif/test.mjs
@@ -0,0 +1,22 @@
+
+import {dirname} from "path";
+globalThis.__dirname = dirname(import.meta.url);
+import { createRequire } from 'module';
+
+globalThis.require = createRequire(import.meta.url);
+import visdif from './visdif.js';
+
+const {VisDiff} = await visdif({
+	locateFile() {
+		return new URL("./visdif.wasm", import.meta.url).pathname;
+	}
+});
+
+const comparator = new VisDiff(
+	new Uint8ClampedArray([0, 0, 0, 255]),
+	1,	
+	1
+);
+
+const distance = comparator.distance(new Uint8ClampedArray([1,1,1,255]));
+console.log({distance});
\ No newline at end of file