[progress-serialize.tentative.html]
  ['progress(100px from 0px to 100px)' as a specified value should serialize as 'calc(1)'.]
    expected: FAIL

  ['scale(progress(100px from 0px to 100px))' as a specified value should serialize as 'scale(calc(1))'.]
    expected: FAIL

  ['scale(progress(100px from 0px to 100px))' as a computed value should serialize as 'matrix(1, 0, 0, 1, 0, 0)'.]
    expected: FAIL

  ['progress(10em from 0px to 10em)' as a specified value should serialize as 'calc(progress(10em from 0px to 10em))'.]
    expected: FAIL

  ['scale(progress(10em from 0px to 10em))' as a specified value should serialize as 'scale(calc(progress(10em from 0px to 10em)))'.]
    expected: FAIL

  ['scale(progress(10em from 0px to 10em))' as a computed value should serialize as 'matrix(1, 0, 0, 1, 0, 0)'.]
    expected: FAIL

  ['progress(10em from 0px to 10rem)' as a specified value should serialize as 'calc(progress(10em from 0px to 10rem))'.]
    expected: FAIL

  ['scale(progress(10em from 0px to 10rem))' as a specified value should serialize as 'scale(calc(progress(10em from 0px to 10rem)))'.]
    expected: FAIL

  ['scale(progress(10em from 0px to 10rem))' as a computed value should serialize as 'matrix(1, 0, 0, 1, 0, 0)'.]
    expected: FAIL

  ['progress(100px from (10px - 10px) to 100px)' as a specified value should serialize as 'calc(1)'.]
    expected: FAIL

  ['scale(progress(100px from (10px - 10px) to 100px))' as a specified value should serialize as 'scale(calc(1))'.]
    expected: FAIL

  ['scale(progress(100px from (10px - 10px) to 100px))' as a computed value should serialize as 'matrix(1, 0, 0, 1, 0, 0)'.]
    expected: FAIL

  ['progress(1% from (10% - 10%) to 100%)' as a specified value should serialize as 'calc(0.01)'.]
    expected: FAIL

  ['scale(progress(1% from (10% - 10%) to 100%))' as a specified value should serialize as 'scale(calc(0.01))'.]
    expected: FAIL

  ['progress(1% from (10% - 10%) to 100%)' as a computed value should serialize as '0.01'.]
    expected: FAIL

  ['scale(progress(1% from (10% - 10%) to 100%))' as a computed value should serialize as 'matrix(0.01, 0, 0, 0.01, 0, 0)'.]
    expected: FAIL

  ['calc(0.5 * progress(100px from 0px to 100px))' as a specified value should serialize as 'calc(0.5)'.]
    expected: FAIL

  ['scale(calc(0.5 * progress(100px from 0px to 100px)))' as a specified value should serialize as 'scale(calc(0.5))'.]
    expected: FAIL

  ['calc(0.5 * progress(100px from 0px to 100px))' as a computed value should serialize as '0.5'.]
    expected: FAIL

  ['scale(calc(0.5 * progress(100px from 0px to 100px)))' as a computed value should serialize as 'matrix(0.5, 0, 0, 0.5, 0, 0)'.]
    expected: FAIL

  ['calc(50px * progress(100px from 0px to 100px))' as a specified value should serialize as 'calc(50px)'.]
    expected: FAIL

  ['calc(1px * progress(abs(10%) from (10% - 10%) to 100% / 10))' as a computed value should serialize as '1px'.]
    expected: FAIL