1 files changed, 38 insertions, 0 deletions
diff --git a/js/decode_test.ts b/js/decode_test.ts
new file mode 100644
index 0000000..aea7369
--- /dev/null
+++ b/js/decode_test.ts
@@ -0,0 +1,38 @@
+/* Copyright 2023 Google Inc. All Rights Reserved.
+
+   Distributed under MIT license.
+   See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+
+import 'jasmine';
+
+import {brotliDecode} from './decode';
+
+function bytesToString(bytes: Int8Array): string {
+  const chars: number[] = new Uint16Array(bytes) as unknown as number[];
+  return String.fromCharCode.apply(null, chars);
+}
+
+function stringToBytes(str: string): Int8Array {
+  const out = new Int8Array(str.length);
+  for (let i = 0; i < str.length; ++i) out[i] = str.charCodeAt(i);
+  return out;
+}
+
+describe('DecodeTest', () => {
+  it('testMetadata', () => {
+    expect('').toEqual(
+        bytesToString(brotliDecode(Int8Array.from([1, 11, 0, 42, 3]))));
+  });
+
+  it('testCompoundDictionary', () => {
+    const txt = 'kot lomom kolol slona\n';
+    const dictionary = stringToBytes(txt);
+    const compressed =
+        [0xa1, 0xa8, 0x00, 0xc0, 0x2f, 0x01, 0x10, 0xc4, 0x44, 0x09, 0x00];
+    expect(txt.length).toEqual(compressed.length * 2);
+    const options = {'customDictionary': dictionary};
+    expect(txt).toEqual(
+        bytesToString(brotliDecode(Int8Array.from(compressed), options)));
+  });
+});