diff --git a/site/src/components/WorkspaceScheduleButton/WorkspaceScheduleButton.test.tsx b/site/src/components/WorkspaceScheduleButton/WorkspaceScheduleButton.test.tsx
index 5ee401f7be..8e504bfa11 100644
--- a/site/src/components/WorkspaceScheduleButton/WorkspaceScheduleButton.test.tsx
+++ b/site/src/components/WorkspaceScheduleButton/WorkspaceScheduleButton.test.tsx
@@ -1,8 +1,13 @@
+import { screen } from "@testing-library/react"
 import dayjs from "dayjs"
 import utc from "dayjs/plugin/utc"
+import { render } from "testHelpers/renderHelpers"
 import * as TypesGen from "../../api/typesGenerated"
 import * as Mocks from "../../testHelpers/entities"
-import { canEditDeadline } from "./WorkspaceScheduleButton"
+import {
+  canEditDeadline,
+  WorkspaceScheduleButton,
+} from "./WorkspaceScheduleButton"
 
 dayjs.extend(utc)
 
@@ -24,4 +29,60 @@ describe("WorkspaceScheduleButton", () => {
       expect(canEditDeadline(workspace)).toBeTruthy()
     })
   })
+  describe("enabling plus and minus buttons", () => {
+    it("should enable plus and minus buttons when deadline can be changed in either direction", async () => {
+      render(
+        <WorkspaceScheduleButton
+          workspace={Mocks.MockWorkspace}
+          onDeadlineMinus={jest.fn()}
+          onDeadlinePlus={jest.fn()}
+          maxDeadlineDecrease={4}
+          maxDeadlineIncrease={4}
+          canUpdateWorkspace
+        />,
+      )
+      const plusButton = await screen.findByLabelText("Add hours to deadline")
+      const minusButton = await screen.findByLabelText(
+        "Subtract hours from deadline",
+      )
+      expect(plusButton).toBeEnabled()
+      expect(minusButton).toBeEnabled()
+    })
+    it("should disable plus button when deadline can't be extended", async () => {
+      render(
+        <WorkspaceScheduleButton
+          workspace={Mocks.MockWorkspace}
+          onDeadlineMinus={jest.fn()}
+          onDeadlinePlus={jest.fn()}
+          maxDeadlineDecrease={4}
+          maxDeadlineIncrease={0}
+          canUpdateWorkspace
+        />,
+      )
+      const plusButton = await screen.findByLabelText("Add hours to deadline")
+      const minusButton = await screen.findByLabelText(
+        "Subtract hours from deadline",
+      )
+      expect(plusButton).toBeDisabled()
+      expect(minusButton).toBeEnabled()
+    })
+    it("should disable minus button when deadline can't be reduced", async () => {
+      render(
+        <WorkspaceScheduleButton
+          workspace={Mocks.MockWorkspace}
+          onDeadlineMinus={jest.fn()}
+          onDeadlinePlus={jest.fn()}
+          maxDeadlineDecrease={0}
+          maxDeadlineIncrease={4}
+          canUpdateWorkspace
+        />,
+      )
+      const plusButton = await screen.findByLabelText("Add hours to deadline")
+      const minusButton = await screen.findByLabelText(
+        "Subtract hours from deadline",
+      )
+      expect(plusButton).toBeEnabled()
+      expect(minusButton).toBeDisabled()
+    })
+  })
 })