Add Base64 tests.

base64.ts

@@ -0,0 +1,43 @@
+namespace B64Tests {
+    export function run(): boolean {
+        let allPassed: boolean = true
+
+        let bytes: Uint8Array = new Uint8Array(5)
+        bytes.setFromArray([1, 2, 3, 4, 5,])
+        let b64: string = Base64.encodeBuffer(bytes.buffer)
+        if (b64 != 'AQIDBAU=') {
+            game.splash("Base64 test 1a failed.")
+            allPassed = false
+        }
+        let bytesOut: Uint8Array = Base64.decodeBuffer(b64)
+        if (!areEquivalent2(bytesOut, bytes)) {
+            game.splash("Base64 test 1b failed.")
+            allPassed = false
+        }
+
+        b64 = 'foocat=='
+        let b64Standard: string = Base64.encodeBuffer(Base64.decodeBuffer(b64).buffer)
+        if (b64Standard != 'foocag==') {
+            game.splash("Base64 test 2 failed.")
+            allPassed = false
+        }
+
+        try {
+            Base64.decodeBuffer('abc')
+            game.splash("Base64 test 3a failed.")
+            allPassed = false
+        } catch {
+
+        }
+
+        try {
+            Base64.decodeBuffer('123%')
+            game.splash("Base64 test 3b failed.")
+            allPassed = false
+        } catch {
+
+        }
+
+        return allPassed
+    }
+}

main.ts

@@ -14,6 +14,11 @@ if (!DataViewTests.run()) {
     allPassed = false
 }
 
+// Bas64 tests.
+if (!B64Tests.run()) {
+    allPassed = false
+}
+
 if (allPassed) {
     game.splash("All tests passed!")
 } else {

pxt.json

@@ -4,7 +4,7 @@
     "description": "",
     "dependencies": {
         "device": "*",
-        "pxt-typed-arrays": "github:robo-technical-group/pxt-typed-arrays#v1.1.0"
+        "pxt-typed-arrays": "github:robo-technical-group/pxt-typed-arrays#v1.2.0"
     },
     "files": [
         "README.md",
@@ -13,7 +13,8 @@
         "arraybuffer.ts",
         "dataview.ts",
         "typedarrays.ts",
-        "common.ts"
+        "common.ts",
+        "base64.ts"
     ],
     "testFiles": [
         "test.ts"