Files
atom/spec/tokenized-buffer-iterator-spec.js
Nathan Sobo 5ed30f910c Create synthetic iterator boundaries between open and close tags
If no non-negative integer exists between an open and close tag code,
we still need to report a boundary there, since close tags always have
to come first at any given iterator position.

:pear:ed with @as-cii
2016-04-21 10:43:21 -06:00

41 lines
1.2 KiB
JavaScript

/** @babel */
import TokenizedBufferIterator from '../src/tokenized-buffer-iterator'
import {Point} from 'text-buffer'
describe('TokenizedBufferIterator', () => {
it('reports two boundaries at the same position when tags close, open, then close again without a non-negative integer separating them (regression)', () => {
const tokenizedBuffer = {
tokenizedLineForRow () {
return {
tags: [-1, -2, -1, -2],
text: '',
openScopes: []
}
}
}
const grammarRegistry = {
scopeForId () {
return 'foo'
}
}
const iterator = new TokenizedBufferIterator(tokenizedBuffer, grammarRegistry)
iterator.seek(Point(0, 0))
expect(iterator.getPosition()).toEqual(Point(0, 0))
expect(iterator.getCloseTags()).toEqual([])
expect(iterator.getOpenTags()).toEqual(['foo'])
iterator.moveToSuccessor()
expect(iterator.getPosition()).toEqual(Point(0, 0))
expect(iterator.getCloseTags()).toEqual(['foo'])
expect(iterator.getOpenTags()).toEqual(['foo'])
iterator.moveToSuccessor()
expect(iterator.getCloseTags()).toEqual(['foo'])
expect(iterator.getOpenTags()).toEqual([])
})
})