Raise a better exception when reading a length-0 Parquet file

cpp/src/parquet/file_reader.cc

@@ -161,8 +161,13 @@ class SerializedFile : public ParquetFileReader::Contents {
   void ParseMetaData() {
     int64_t file_size = source_->Size();
 
-    if (file_size < FOOTER_SIZE) {
-      throw ParquetException("Corrupted file, smaller than file footer");
+    if (file_size == 0) {
+      throw ParquetException("Invalid Parquet file size is 0 bytes");
+    } else if (file_size < FOOTER_SIZE) {
+      std::stringstream ss;
+      ss << "Invalid Parquet file size is " << file_size
+         << " bytes, smaller than standard file footer";
+      throw ParquetException(ss.str());
     }
 
     uint8_t footer_buffer[DEFAULT_FOOTER_READ_SIZE];

python/pyarrow/tests/test_parquet.py

@@ -2651,3 +2651,18 @@ def test_dataset_metadata(tempdir):
         assert d.pop('serialized_size') == 0
         assert d2.pop('serialized_size') > 0
         assert d == d2
+
+
+def test_parquet_file_too_small(tempdir):
+    path = str(tempdir / "test.parquet")
+    with pytest.raises(pa.ArrowIOError,
+                       match='size is 0 bytes'):
+        with open(path, 'wb') as f:
+            pass
+        pq.read_table(path)
+
+    with pytest.raises(pa.ArrowIOError,
+                       match='size is 4 bytes'):
+        with open(path, 'wb') as f:
+            f.write(b'ffff')
+        pq.read_table(path)