third_party/protobuf: Update to HEAD (83d681ee2c)

third_party/protobuf/java/core/src/test/java/com/google/protobuf/ParserTest.java

Index: third_party/protobuf/java/core/src/test/java/com/google/protobuf/ParserTest.java
diff --git a/third_party/protobuf/java/core/src/test/java/com/google/protobuf/ParserTest.java b/third_party/protobuf/java/core/src/test/java/com/google/protobuf/ParserTest.java
index 30842d2c0833fc13b91bd65a87f45274ad115091..8c2e4c261c0e1367b6d65a03286ca829a88ff143 100644
--- a/third_party/protobuf/java/core/src/test/java/com/google/protobuf/ParserTest.java
+++ b/third_party/protobuf/java/core/src/test/java/com/google/protobuf/ParserTest.java
@@ -42,13 +42,12 @@ import protobuf_unittest.UnittestProto.TestAllTypes;
 import protobuf_unittest.UnittestProto.TestEmptyMessage;
 import protobuf_unittest.UnittestProto.TestParsingMerge;
 import protobuf_unittest.UnittestProto.TestRequired;
-
-import junit.framework.TestCase;
-
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.InterruptedIOException;
+import junit.framework.TestCase;
 
 /**
  * Unit test for {@link Parser}.
@@ -374,4 +373,43 @@ public class ParserTest extends TestCase {
     assertEquals(3, parsingMerge.getExtensionCount(
         TestParsingMergeLite.repeatedExt));
   }
+
+  public void testParseDelimitedFrom_firstByteInterrupted_preservesCause() {
+    try {
+      TestUtil.getAllSet().parseDelimitedFrom(
+          new InputStream() {
+            @Override
+            public int read() throws IOException {
+              throw new InterruptedIOException();
+            }
+          });
+      fail("Expected InterruptedIOException");
+    } catch (Exception e) {
+      assertEquals(InterruptedIOException.class, e.getClass());
+    }
+  }
+
+  public void testParseDelimitedFrom_secondByteInterrupted_preservesCause() {
+    try {
+      TestUtil.getAllSet().parseDelimitedFrom(
+          new InputStream() {
+            private int i;
+
+            @Override
+            public int read() throws IOException {
+              switch (i++) {
+                case 0:
+                  return 1;
+                case 1:
+                  throw new InterruptedIOException();
+                default:
+                  throw new AssertionError();
+              }
+            }
+          });
+      fail("Expected InterruptedIOException");
+    } catch (Exception e) {
+      assertEquals(InterruptedIOException.class, e.getClass());
+    }
+  }
 }