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Code Issues Releases Activity

UndoManager test: checkpoint

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This commit is contained in:
Chen-I Lim 2020-12-01 11:55:04 -08:00
parent 6b29902810
commit ea1835ca53
1 changed files with 3 additions and 0 deletions
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3
webapp/src/undoManager.test.ts
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@ -7,6 +7,7 @@ import {Utils} from './utils'
test('Basic undo/redo', async () => {
expect(undoManager.canUndo).toBe(false)
expect(undoManager.canRedo).toBe(false)
expect(undoManager.currentCheckpoint).toBe(0)
const values: string[] = []
@ -22,6 +23,7 @@ test('Basic undo/redo', async () => {
expect(undoManager.canUndo).toBe(true)
expect(undoManager.canRedo).toBe(false)
expect(undoManager.currentCheckpoint).toBeGreaterThan(0)
expect(Utils.arraysEqual(values, ['a'])).toBe(true)
expect(undoManager.undoDescription).toBe('test')
expect(undoManager.redoDescription).toBe(undefined)
@ -41,6 +43,7 @@ test('Basic undo/redo', async () => {
await undoManager.clear()
expect(undoManager.canUndo).toBe(false)
expect(undoManager.canRedo).toBe(false)
expect(undoManager.currentCheckpoint).toBe(0)
expect(undoManager.undoDescription).toBe(undefined)
expect(undoManager.redoDescription).toBe(undefined)
})