core/packages/compiler-dom/__tests__/decoderHtmlBrowser.spec.ts

import { decodeHtmlBrowser } from '../src/decodeHtmlBrowser'

describe('decodeHtmlBrowser', () => {
  it('should decode HTML correctly', () => {
    expect(decodeHtmlBrowser(' abc  123 ')).toBe(' abc  123 ')

    expect(decodeHtmlBrowser('&')).toBe('&')
    expect(decodeHtmlBrowser('&')).toBe('&')
    expect(decodeHtmlBrowser('&')).toBe('&')

    expect(decodeHtmlBrowser('<')).toBe('<')
    expect(decodeHtmlBrowser('&lt;')).toBe('<')
    expect(decodeHtmlBrowser('&amp;lt;')).toBe('&lt;')

    expect(decodeHtmlBrowser('>')).toBe('>')
    expect(decodeHtmlBrowser('&gt;')).toBe('>')
    expect(decodeHtmlBrowser('&amp;gt;')).toBe('&gt;')

    expect(decodeHtmlBrowser('&nbsp;')).toBe('\u00a0')
    expect(decodeHtmlBrowser('&quot;')).toBe('"')
    expect(decodeHtmlBrowser('&apos;')).toBe("'")

    expect(decodeHtmlBrowser('&Eacute;')).toBe('\u00c9')
    expect(decodeHtmlBrowser('&#xc9;')).toBe('\u00c9')
    expect(decodeHtmlBrowser('&#201;')).toBe('\u00c9')

    // #3001 html tags inside attribute values
    expect(decodeHtmlBrowser('<strong>Text</strong>', true)).toBe(
      '<strong>Text</strong>'
    )
    expect(decodeHtmlBrowser('<strong>&amp;</strong>', true)).toBe(
      '<strong>&</strong>'
    )
    expect(
      decodeHtmlBrowser(
        '<strong>&lt;strong&gt;&amp;&lt;/strong&gt;</strong>',
        true
      )
    ).toBe('<strong><strong>&</strong></strong>')
  })
})