message: Add test for empty input stream.
diff: @@ -95,6 +95,12 @@ TEST(InputStreamAdapterTest, ReadMoreThanAvailable) {
  EXPECT_EQ(read_result.ValueOrDie(), data);
  }
  +TEST(InputStreamAdapterTest, ReadFromEmptyStream) {
  + auto adapter = GetInputStreamAdapter(-1, "");
  + auto read_result = adapter->Read(10);
  + EXPECT_EQ(read_result.status().error_code(), util::error::OUT_OF_RANGE);
  +}
  +
  } // namespace
  } // namespace tink
  } // namespace crypto
  