feat(runtime-dom): add test case

Author: Doctor-wu

packages/runtime-dom/__tests__/directives/vShow.spec.ts

@@ -211,4 +211,44 @@ describe('runtime-dom: v-show directive', () => {
     await nextTick()
     expect($div.style.display).toEqual('')
   })
+
+  // #10151
+  test('should respect the display value when v-show value is true', async () => {
+    const isVisible = ref(false)
+    const compStyle = ref({
+      display: 'none',
+    })
+
+    const Component = {
+      setup() {
+        return () => {
+          return withVShow(
+            h('div', { style: compStyle.value }),
+            isVisible.value,
+          )
+        }
+      },
+    }
+    render(h(Component), root)
+
+    const $div = root.children[0]
+
+    expect($div.style.display).toEqual('none')
+
+    isVisible.value = true
+    await nextTick()
+    expect($div.style.display).toEqual('none')
+
+    compStyle.value.display = 'block'
+    await nextTick()
+    expect($div.style.display).toEqual('block')
+
+    compStyle.value.display = 'inline-block'
+    await nextTick()
+    expect($div.style.display).toEqual('inline-block')
+
+    isVisible.value = false
+    await nextTick()
+    expect($div.style.display).toEqual('none')
+  })
 })