diff --git a/packages/vue-compat/__tests__/compiler.spec.ts b/packages/vue-compat/__tests__/compiler.spec.ts
index 2ae2f211a..8891e6607 100644
--- a/packages/vue-compat/__tests__/compiler.spec.ts
+++ b/packages/vue-compat/__tests__/compiler.spec.ts
@@ -16,7 +16,6 @@ afterEach(() => {
   Vue.configureCompat({ MODE: 3 })
 })
 
-// COMPILER_V_FOR_REF is tested in ./refInfor.spec.ts
 // COMPILER_FILTERS is tested in ./filters.spec.ts
 
 test('COMPILER_IS_ON_ELEMENT', () => {
diff --git a/packages/vue-compat/__tests__/warnDeprecation.spec.ts b/packages/vue-compat/__tests__/warnDeprecation.spec.ts
new file mode 100644
index 000000000..5319b862e
--- /dev/null
+++ b/packages/vue-compat/__tests__/warnDeprecation.spec.ts
@@ -0,0 +1,87 @@
+import Vue from '@vue/compat'
+import {
+  DeprecationTypes,
+  deprecationData,
+  toggleDeprecationWarning,
+} from '../../runtime-core/src/compat/compatConfig'
+
+beforeEach(() => {
+  toggleDeprecationWarning(true)
+  Vue.configureCompat({
+    MODE: 2,
+    GLOBAL_MOUNT: 'suppress-warning',
+  })
+})
+
+afterEach(() => {
+  toggleDeprecationWarning(false)
+  Vue.configureCompat({ MODE: 3 })
+})
+
+describe('should warn deprecation while using compat', () => {
+  test('have no compat config', () => {
+    const vm = new Vue({
+      template: `<div draggable="false">hello</div>`,
+    }).$mount()
+
+    expect(vm.$el).toBeInstanceOf(HTMLDivElement)
+    expect(vm.$el.outerHTML).toBe(`<div draggable="true">hello</div>`)
+
+    const message = deprecationData[DeprecationTypes.ATTR_ENUMERATED_COERCION]
+      .message as Function
+    expect(message('draggable', false, true)).toHaveBeenWarned()
+  })
+
+  test('set compat config to true', () => {
+    Vue.configureCompat({
+      ATTR_ENUMERATED_COERCION: true,
+    })
+
+    const vm = new Vue({
+      template: `<div draggable="false">hello</div>`,
+    }).$mount()
+
+    expect(vm.$el).toBeInstanceOf(HTMLDivElement)
+    expect(vm.$el.outerHTML).toBe(`<div draggable="true">hello</div>`)
+
+    const message = deprecationData[DeprecationTypes.ATTR_ENUMERATED_COERCION]
+      .message as Function
+    expect(message('draggable', false, true)).toHaveBeenWarned()
+  })
+
+  test('set compat config to "suppress-warning"', () => {
+    Vue.configureCompat({
+      ATTR_ENUMERATED_COERCION: 'suppress-warning',
+    })
+
+    const vm = new Vue({
+      template: `<div draggable="false">hello</div>`,
+    }).$mount()
+
+    expect(vm.$el).toBeInstanceOf(HTMLDivElement)
+    expect(vm.$el.outerHTML).toBe(`<div draggable="true">hello</div>`)
+
+    const message = deprecationData[DeprecationTypes.ATTR_ENUMERATED_COERCION]
+      .message as Function
+    expect(message('draggable', false, true)).not.toHaveBeenWarned()
+    expect(message('draggable', false, false)).not.toHaveBeenWarned()
+  })
+
+  test('set compat config to "suppress-warning"', () => {
+    Vue.configureCompat({
+      ATTR_ENUMERATED_COERCION: false,
+    })
+
+    const vm = new Vue({
+      template: `<div draggable="false">hello</div>`,
+    }).$mount()
+
+    expect(vm.$el).toBeInstanceOf(HTMLDivElement)
+    expect(vm.$el.outerHTML).toBe(`<div draggable="false">hello</div>`)
+
+    const message = deprecationData[DeprecationTypes.ATTR_ENUMERATED_COERCION]
+      .message as Function
+    expect(message('draggable', false, true)).not.toHaveBeenWarned()
+    expect(message('draggable', false, false)).not.toHaveBeenWarned()
+  })
+})