First commit

node_modules/png-js/test/metadata.spec.js

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+const PNGNode = require('../png-node');
+const fs = require('fs');
+
+const files = fs.readdirSync('test/images');
+
+function getMetaData(Ctor, fileName) {
+  const image = new Ctor(fs.readFileSync(`test/images/${fileName}`));
+  const { imgData, data, ...metadata } = image;
+  return metadata;
+}
+
+describe('metadata', () => {
+  describe('node', () => {
+    test.each(files)('%s', fileName => {
+      expect(getMetaData(PNGNode, fileName)).toMatchSnapshot();
+    });
+  });
+
+  describe('browser', () => {
+    test.each(files)('%s', fileName => {
+      expect(getMetaData(PNG, fileName)).toMatchSnapshot();
+    });
+  });
+});