From c344fe8caa6da817d3f0ece0babf1d1acbf2bbbf Mon Sep 17 00:00:00 2001
From: Paul Yang <TeBoring@users.noreply.github.com>
Date: Mon, 29 May 2017 22:04:20 -0700
Subject: Oneof field should be serialized even it's equal to default. (#3153)

---
 php/tests/encode_decode_test.php | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'php/tests/encode_decode_test.php')

diff --git a/php/tests/encode_decode_test.php b/php/tests/encode_decode_test.php
index 288df569..b4cfed42 100644
--- a/php/tests/encode_decode_test.php
+++ b/php/tests/encode_decode_test.php
@@ -88,6 +88,13 @@ class EncodeDecodeTest extends TestBase
         $n = new TestMessage();
         $n->mergeFromString($data);
         $this->assertSame(1, $n->getOneofMessage()->getA());
+
+        // Encode default value
+        $m->setOneofEnum(TestEnum::ZERO);
+        $data = $m->serializeToString();
+        $n = new TestMessage();
+        $n->mergeFromString($data);
+        $this->assertSame("oneof_enum", $n->getMyOneof());
     }
 
     public function testPackedEncode()
-- 
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