third_party/protobuf: Update to HEAD (83d681ee2c)

third_party/protobuf/js/binary/decoder_test.js

Index: third_party/protobuf/js/binary/decoder_test.js
diff --git a/third_party/protobuf/js/binary/decoder_test.js b/third_party/protobuf/js/binary/decoder_test.js
index d045e912cf044985c51e3db4339a34ec34d07483..9f947b99defd6ac6874dd5464f21a76a361bdf5a 100644
--- a/third_party/protobuf/js/binary/decoder_test.js
+++ b/third_party/protobuf/js/binary/decoder_test.js
@@ -147,9 +147,8 @@ function doTestSignedValue(readValue,
 describe('binaryDecoderTest', function() {
   /**
    * Tests the decoder instance cache.
-   * @suppress {visibility}
    */
-  it('testInstanceCache', function() {
+  it('testInstanceCache', /** @suppress {visibility} */ function() {
     // Empty the instance caches.
     jspb.BinaryDecoder.instanceCache_ = [];
 
@@ -210,7 +209,30 @@ describe('binaryDecoderTest', function() {
     assertEquals(hashC, decoder.readFixedHash64());
     assertEquals(hashD, decoder.readFixedHash64());
   });
+  
+  /**
+   * Test encoding and decoding utf-8.
+   */
+   it('testUtf8', function() {
+    var encoder = new jspb.BinaryEncoder();
 
+    var ascii = "ASCII should work in 3, 2, 1..."
+    var utf8_two_bytes = "©";
+    var utf8_three_bytes = "❄";
+    var utf8_four_bytes = "😁";
+    
+    encoder.writeString(ascii);
+    encoder.writeString(utf8_two_bytes);
+    encoder.writeString(utf8_three_bytes);
+    encoder.writeString(utf8_four_bytes);
+    
+    var decoder = jspb.BinaryDecoder.alloc(encoder.end());
+    
+    assertEquals(ascii, decoder.readString(ascii.length));
+    assertEquals(utf8_two_bytes, decoder.readString(utf8_two_bytes.length));
+    assertEquals(utf8_three_bytes, decoder.readString(utf8_three_bytes.length));
+    assertEquals(utf8_four_bytes, decoder.readString(utf8_four_bytes.length));
+   });
 
   /**
    * Verifies that misuse of the decoder class triggers assertions.