test(base64): write peter-jr tests to make sure atob/btoa works

Author: Xmader

tests/js/test-atob-btoa.simple

@@ -0,0 +1,58 @@
+/**
+ * @file        test-atob-btoa.simple
+ *              Simple test which ensures atob/btoa works
+ * @author      Tom Tang <[email protected]>
+ * @date        July 2023
+ */
+
+function expect(a) {
+  return {
+    toBe(b) {
+      if (a !== b) throw new Error(`'${a}' does not equal to '${b}'`);
+    }
+  }
+}
+
+/*!
+ * Modified from https://github.com/oven-sh/bun/blob/bun-v0.6.12/test/js/web/util/atob.test.js
+ * Bun
+ * MIT License
+ */
+
+// 
+// atob
+// 
+expect(atob("YQ==")).toBe("a");
+expect(atob("YWI=")).toBe("ab");
+expect(atob("YWJj")).toBe("abc");
+expect(atob("YWJjZA==")).toBe("abcd");
+expect(atob("YWJjZGU=")).toBe("abcde");
+expect(atob("YWJjZGVm")).toBe("abcdef");
+expect(atob("zzzz")).toBe("Ï<ó");
+expect(atob("")).toBe("");
+expect(atob("null")).toBe("žée");
+expect(atob("6ek=")).toBe("éé");
+// expect(atob("6ek")).toBe("éé"); // FIXME (Tom Tang): binascii.Error: Incorrect padding
+expect(atob("gIE=")).toBe("€");
+// expect(atob("zz")).toBe("Ï"); // FIXME (Tom Tang): same here
+// expect(atob("zzz")).toBe("Ï<");
+expect(atob("zzz=")).toBe("Ï<");
+expect(atob(" YQ==")).toBe("a");
+expect(atob("YQ==\u000a")).toBe("a");
+
+// 
+// btoa
+// 
+expect(btoa("a")).toBe("YQ==");
+expect(btoa("ab")).toBe("YWI=");
+expect(btoa("abc")).toBe("YWJj");
+expect(btoa("abcd")).toBe("YWJjZA==");
+expect(btoa("abcde")).toBe("YWJjZGU=");
+expect(btoa("abcdef")).toBe("YWJjZGVm");
+expect(typeof btoa).toBe("function");
+expect(btoa("")).toBe("");
+expect(btoa("null")).toBe("bnVsbA==");
+expect(btoa("undefined")).toBe("dW5kZWZpbmVk");
+expect(btoa("[object Window]")).toBe("W29iamVjdCBXaW5kb3dd");
+expect(btoa("éé")).toBe("6ek=");
+expect(btoa("\u0080\u0081")).toBe("gIE=");