Revert "third_party/protobuf: Update to HEAD (83d681ee2c)"

third_party/protobuf/conformance/ConformanceJava.java

Index: third_party/protobuf/conformance/ConformanceJava.java
diff --git a/third_party/protobuf/conformance/ConformanceJava.java b/third_party/protobuf/conformance/ConformanceJava.java
index 7badf2a5f54236d4b4ca1c008ef1f55123253433..43787ffcb274033008a8c020565f71dd0a4693e4 100644
--- a/third_party/protobuf/conformance/ConformanceJava.java
+++ b/third_party/protobuf/conformance/ConformanceJava.java
@@ -1,12 +1,8 @@
-import com.google.protobuf.ByteString;
-import com.google.protobuf.CodedInputStream;
+
 import com.google.protobuf.conformance.Conformance;
-import com.google.protobuf.InvalidProtocolBufferException;
-import com.google.protobuf_test_messages.proto3.TestMessagesProto3;
 import com.google.protobuf.util.JsonFormat;
 import com.google.protobuf.util.JsonFormat.TypeRegistry;
-import java.io.IOException;
-import java.nio.ByteBuffer;
+import com.google.protobuf.InvalidProtocolBufferException;
 
 class ConformanceJava {
   private int testCount = 0;
@@ -51,182 +47,13 @@ class ConformanceJava {
     writeToStdout(buf);
   }
 
-  private enum BinaryDecoder {
-    BYTE_STRING_DECODER() {
-      @Override
-      public TestMessagesProto3.TestAllTypes parse(ByteString bytes)
-          throws InvalidProtocolBufferException {
-        return TestMessagesProto3.TestAllTypes.parseFrom(bytes);
-      }
-    },
-    BYTE_ARRAY_DECODER() {
-      @Override
-      public TestMessagesProto3.TestAllTypes parse(ByteString bytes)
-          throws InvalidProtocolBufferException {
-        return TestMessagesProto3.TestAllTypes.parseFrom(bytes.toByteArray());
-      }
-    },
-    ARRAY_BYTE_BUFFER_DECODER() {
-      @Override
-      public TestMessagesProto3.TestAllTypes parse(ByteString bytes)
-          throws InvalidProtocolBufferException {
-        ByteBuffer buffer = ByteBuffer.allocate(bytes.size());
-        bytes.copyTo(buffer);
-        buffer.flip();
-        try {
-          return TestMessagesProto3.TestAllTypes.parseFrom(CodedInputStream.newInstance(buffer));
-        } catch (InvalidProtocolBufferException e) {
-          throw e;
-        } catch (IOException e) {
-          throw new RuntimeException(
-              "ByteString based ByteBuffer should not throw IOException.", e);
-        }
-      }
-    },
-    READONLY_ARRAY_BYTE_BUFFER_DECODER() {
-      @Override
-      public TestMessagesProto3.TestAllTypes parse(ByteString bytes)
-          throws InvalidProtocolBufferException {
-        try {
-          return TestMessagesProto3.TestAllTypes.parseFrom(
-              CodedInputStream.newInstance(bytes.asReadOnlyByteBuffer()));
-        } catch (InvalidProtocolBufferException e) {
-          throw e;
-        } catch (IOException e) {
-          throw new RuntimeException(
-              "ByteString based ByteBuffer should not throw IOException.", e);
-        }
-      }
-    },
-    DIRECT_BYTE_BUFFER_DECODER() {
-      @Override
-      public TestMessagesProto3.TestAllTypes parse(ByteString bytes)
-          throws InvalidProtocolBufferException {
-        ByteBuffer buffer = ByteBuffer.allocateDirect(bytes.size());
-        bytes.copyTo(buffer);
-        buffer.flip();
-        try {
-          return TestMessagesProto3.TestAllTypes.parseFrom(CodedInputStream.newInstance(buffer));
-        } catch (InvalidProtocolBufferException e) {
-          throw e;
-        } catch (IOException e) {
-          throw new RuntimeException(
-              "ByteString based ByteBuffer should not throw IOException.", e);
-        }
-      }
-    },
-    READONLY_DIRECT_BYTE_BUFFER_DECODER() {
-      @Override
-      public TestMessagesProto3.TestAllTypes parse(ByteString bytes)
-          throws InvalidProtocolBufferException {
-        ByteBuffer buffer = ByteBuffer.allocateDirect(bytes.size());
-        bytes.copyTo(buffer);
-        buffer.flip();
-        try {
-          return TestMessagesProto3.TestAllTypes.parseFrom(
-              CodedInputStream.newInstance(buffer.asReadOnlyBuffer()));
-        } catch (InvalidProtocolBufferException e) {
-          throw e;
-        } catch (IOException e) {
-          throw new RuntimeException(
-              "ByteString based ByteBuffer should not throw IOException.", e);
-        }
-      }
-    },
-    INPUT_STREAM_DECODER() {
-      @Override
-      public TestMessagesProto3.TestAllTypes parse(ByteString bytes)
-          throws InvalidProtocolBufferException {
-        try {
-          return TestMessagesProto3.TestAllTypes.parseFrom(bytes.newInput());
-        } catch (InvalidProtocolBufferException e) {
-          throw e;
-        } catch (IOException e) {
-          throw new RuntimeException(
-              "ByteString based InputStream should not throw IOException.", e);
-        }
-      }
-    };
-
-    public abstract TestMessagesProto3.TestAllTypes parse(ByteString bytes)
-        throws InvalidProtocolBufferException;
-  }
-
-  private TestMessagesProto3.TestAllTypes parseBinary(ByteString bytes)
-      throws InvalidProtocolBufferException {
-    TestMessagesProto3.TestAllTypes[] messages =
-        new TestMessagesProto3.TestAllTypes[BinaryDecoder.values().length];
-    InvalidProtocolBufferException[] exceptions =
-        new InvalidProtocolBufferException[BinaryDecoder.values().length];
-
-    boolean hasMessage = false;
-    boolean hasException = false;
-    for (int i = 0; i < BinaryDecoder.values().length; ++i) {
-      try {
-        messages[i] = BinaryDecoder.values()[i].parse(bytes);
-        hasMessage = true;
-      } catch (InvalidProtocolBufferException e) {
-        exceptions[i] = e;
-        hasException = true;
-      }
-    }
-
-    if (hasMessage && hasException) {
-      StringBuilder sb =
-          new StringBuilder("Binary decoders disagreed on whether the payload was valid.\n");
-      for (int i = 0; i < BinaryDecoder.values().length; ++i) {
-        sb.append(BinaryDecoder.values()[i].name());
-        if (messages[i] != null) {
-          sb.append(" accepted the payload.\n");
-        } else {
-          sb.append(" rejected the payload.\n");
-        }
-      }
-      throw new RuntimeException(sb.toString());
-    }
-
-    if (hasException) {
-      // We do not check if exceptions are equal. Different implementations may return different
-      // exception messages. Throw an arbitrary one out instead.
-      throw exceptions[0];
-    }
-
-    // Fast path comparing all the messages with the first message, assuming equality being
-    // symmetric and transitive.
-    boolean allEqual = true;
-    for (int i = 1; i < messages.length; ++i) {
-      if (!messages[0].equals(messages[i])) {
-        allEqual = false;
-        break;
-      }
-    }
-
-    // Slow path: compare and find out all unequal pairs.
-    if (!allEqual) {
-      StringBuilder sb = new StringBuilder();
-      for (int i = 0; i < messages.length - 1; ++i) {
-        for (int j = i + 1; j < messages.length; ++j) {
-          if (!messages[i].equals(messages[j])) {
-            sb.append(BinaryDecoder.values()[i].name())
-                .append(" and ")
-                .append(BinaryDecoder.values()[j].name())
-                .append(" parsed the payload differently.\n");
-          }
-        }
-      }
-      throw new RuntimeException(sb.toString());
-    }
-
-    return messages[0];
-  }
-
   private Conformance.ConformanceResponse doTest(Conformance.ConformanceRequest request) {
-    TestMessagesProto3.TestAllTypes testMessage;
+    Conformance.TestAllTypes testMessage;
 
     switch (request.getPayloadCase()) {
       case PROTOBUF_PAYLOAD: {
         try {
-          testMessage = parseBinary(request.getProtobufPayload());
+          testMessage = Conformance.TestAllTypes.parseFrom(request.getProtobufPayload());
         } catch (InvalidProtocolBufferException e) {
           return Conformance.ConformanceResponse.newBuilder().setParseError(e.getMessage()).build();
         }
@@ -234,7 +61,7 @@ class ConformanceJava {
       }
       case JSON_PAYLOAD: {
         try {
-          TestMessagesProto3.TestAllTypes.Builder builder = TestMessagesProto3.TestAllTypes.newBuilder();
+          Conformance.TestAllTypes.Builder builder = Conformance.TestAllTypes.newBuilder();
           JsonFormat.parser().usingTypeRegistry(typeRegistry)
               .merge(request.getJsonPayload(), builder);
           testMessage = builder.build();
@@ -300,7 +127,7 @@ class ConformanceJava {
 
   public void run() throws Exception {
     typeRegistry = TypeRegistry.newBuilder().add(
-        TestMessagesProto3.TestAllTypes.getDescriptor()).build();
+        Conformance.TestAllTypes.getDescriptor()).build();
     while (doTestIo()) {
       this.testCount++;
     }