提交的内容

vendor/topthink/think-helper/tests/MergeDeepTest.php

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+<?php
+
+namespace Tests;
+
+use think\helper\Arr;
+
+class MergeDeepTest extends TestCase
+{
+    public function testMergeDeepWithAssociativeArrays()
+    {
+        // 测试关联数组的递归合并
+        $array1 = ['a' => ['b' => 2], 'c' => 3];
+        $array2 = ['a' => ['b' => 4, 'd' => 5], 'e' => 6];
+        
+        $result = Arr::mergeDeep($array1, $array2);
+        
+        $expected = [
+            'a' => ['b' => 4, 'd' => 5],
+            'c' => 3,
+            'e' => 6
+        ];
+        
+        $this->assertEquals($expected, $result);
+    }
+    
+    public function testMergeDeepWithIndexedArrays()
+    {
+        // 测试索引数组的覆盖
+        $array1 = ['a' => [1, 2, 3], 'b' => 2];
+        $array2 = ['a' => [4, 5], 'c' => 3];
+        
+        $result = Arr::mergeDeep($array1, $array2);
+        
+        $expected = [
+            'a' => [4, 5],  // 索引数组应该被完全覆盖
+            'b' => 2,
+            'c' => 3
+        ];
+        
+        $this->assertEquals($expected, $result);
+    }
+    
+    public function testMergeDeepWithMixedArrays()
+    {
+        // 测试混合数组类型
+        $array1 = [
+            'a' => ['b' => 2, 'c' => 3],
+            'd' => [1, 2, 3],
+            'e' => 4
+        ];
+        
+        $array2 = [
+            'a' => ['b' => 5, 'f' => 6],
+            'd' => [7, 8],
+            'g' => 9
+        ];
+        
+        $result = Arr::mergeDeep($array1, $array2);
+        
+        $expected = [
+            'a' => ['b' => 5, 'c' => 3, 'f' => 6],  // 关联数组递归合并
+            'd' => [7, 8],  // 索引数组被覆盖
+            'e' => 4,
+            'g' => 9
+        ];
+        
+        $this->assertEquals($expected, $result);
+    }
+}