From 00f540dc1cca08b4755962208e69fdbc12a23657 Mon Sep 17 00:00:00 2001
From: Satoshi Kobayashi <koba@yk.rim.or.jp>
Date: Thu, 24 Oct 2024 19:59:38 +0800
Subject: [PATCH] =?UTF-8?q?Majiang.Board=20=E3=81=8C=E9=85=8D=E7=89=8C?=
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---
 lib/board.js  |  2 +-
 test/board.js | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/lib/board.js b/lib/board.js
index ea0b86f..4ffb076 100644
--- a/lib/board.js
+++ b/lib/board.js
@@ -11,7 +11,7 @@ const Majiang = {
 class Shan {
     constructor(baopai) {
         this.paishu = 136 - 13 * 4 - 14;
-        this.baopai = [ baopai ];
+        this.baopai = [].concat(baopai||[]);
         this.fubaopai;
     }
     zimo(p)         { this.paishu--; return p || '_' }
diff --git a/test/board.js b/test/board.js
index c442ddc..488c0c6 100644
--- a/test/board.js
+++ b/test/board.js
@@ -101,6 +101,16 @@ suite('Majiang.Board', ()=>{
                                 assert.equal(board.he.map(he=>he._pai.length)
                                                      .reduce((x,y)=>x+y), 0));
         test('手番が初期化されること', ()=> assert.equal(board.lunban, -1));
+        test('ドラが未確定でも処理できること', ()=>{
+            qipai.baopai = '';
+            board.qipai(qipai);
+            assert.equal(board.shan.baopai.length, 0);
+        });
+        test('ドラが複数でも処理できること', ()=>{
+            qipai.baopai = ['s1','p9'];
+            board.qipai(qipai);
+            assert.deepEqual(board.shan.baopai, qipai.baopai);
+        });
     });
 
     suite('zimo(zimo)', ()=>{