From a7907ebcc23bf413147e1964a81429e593c0e73c Mon Sep 17 00:00:00 2001
From: Don2025 <tanyaodan@qq.com>
Date: Sat, 2 Jul 2022 13:45:13 +0800
Subject: [PATCH] add: leetcode 419 test

---
 .../419. Battleships in a Board_test.go       | 59 +++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 leetcode/0419.Battleships-in-a-Board/419. Battleships in a Board_test.go

diff --git a/leetcode/0419.Battleships-in-a-Board/419. Battleships in a Board_test.go b/leetcode/0419.Battleships-in-a-Board/419. Battleships in a Board_test.go
new file mode 100644
index 00000000..3669aeec
--- /dev/null
+++ b/leetcode/0419.Battleships-in-a-Board/419. Battleships in a Board_test.go	
@@ -0,0 +1,59 @@
+package leetcode
+
+import (
+	"fmt"
+	"testing"
+	"unsafe"
+)
+
+type question419 struct {
+	para419
+	ans419
+}
+
+// para 是参数
+// one 代表第一个参数
+type para419 struct {
+	one [][]byte
+}
+
+// ans 是答案
+// one 代表第一个答案
+type ans419 struct {
+	one int
+}
+
+func Test_Problem419(t *testing.T) {
+
+	qs := []question419{
+
+		{
+			para419{[][]byte{{'X', '.', '.', 'X'}, {'.', '.', '.', 'X'}, {'.', '.', '.', 'X'}}},
+			ans419{2},
+		},
+
+		{
+			para419{[][]byte{{'.'}}},
+			ans419{0},
+		},
+	}
+
+	fmt.Printf("------------------------Leetcode Problem 419------------------------\n")
+
+	for _, q := range qs {
+		_, p := q.ans419, q.para419
+		fmt.Printf("【input】:%v       【output】:%v\n", bytesArrayToStringArray(p.one), countBattleships(p.one))
+	}
+	fmt.Printf("\n\n\n")
+
+}
+
+// 在运行go test时 为了更直观地显示[][]byte中的字符而非ASCII码数值
+// bytesArrayToStringArray converts [][]byte to []string
+func bytesArrayToStringArray(b [][]byte) []string {
+	s := make([]string, len(b))
+	for i := range b {
+		s[i] = fmt.Sprintf("[%v]", *(*string)(unsafe.Pointer(&b[i])))
+	}
+	return s
+}