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import {glue} from './glue'
test('empty string as a glue', () => {  const result = glue(    `    foo    bar    baz  `,    ''  )
  const expectedResult = 'foobarbaz'
  expect(result).toBe(expectedResult)})
test('case 0', () => {  const zero = 'node node_modules/jest'  const first = '--runInBand'  const last = '-- src/a.spec.js'  const flag = false  const result = glue(`    ${zero}    ${first}    ${flag ? '--env=node' : ''}    ${last}  `)
  const expectedResult = `${zero} ${first} ${last}`
  expect(result).toBe(expectedResult)})
test('case 1', () => {  const zero = 'node node_modules/jest'  const first = '--runInBand'  const last = '-- src/a.spec.js'  const flag = true  const result = glue(`    ${zero}    ${first}    ${flag ? '--env=node' : ''}    ${last}  `)
  const expectedResult = `${zero} ${first} --env=node ${last}`
  expect(result).toBe(expectedResult)})
test('case 2', () => {  const first = '--runInBand'  const result = glue(`    zero    ${first}    last  `)  const expectedResult = `zero ${first} last`
  expect(result).toBe(expectedResult)})
test('case 3', () => {  const result = glue(`    foo    bar    baz  `)
  const expectedResult = 'foo bar baz'
  expect(result).toBe(expectedResult)})
test('with glue', () => {  const result = glue(    `    foo    bar    baz  `,    '=='  )
  const expectedResult = 'foo==bar==baz'
  expect(result).toBe(expectedResult)})