test: 增加单元测试

Author: ArgoZhang

test/UnitTest/Components/SelectTest.cs

@@ -439,6 +439,23 @@ public async Task OnCollapsed_Ok()
         await cut.InvokeAsync(() => cut.Instance.TriggerCollapsed());
         Assert.True(collapsed);
     }
+
+    [Fact]
+    public async Task IsAutoClearSearchTextWhenCollapsed_Ok()
+    {
+        var cut = Context.RenderComponent<Select<string>>(pb =>
+        {
+            pb.Add(a => a.ShowSearch, true);
+            pb.Add(a => a.IsAutoClearSearchTextWhenCollapsed, true);
+        });
+
+        await cut.InvokeAsync(() => cut.Instance.TriggerOnSearch("123"));
+        cut.Contains("value=\"123\"");
+
+        await cut.InvokeAsync(() => cut.Instance.TriggerCollapsed());
+        cut.Contains("value=\"\"");
+    }
+
     [Fact]
     public void Validate_Ok()
     {