[font-stretch-interpolation-math-functions.html]
  [CSS Transitions: property <font-stretch> from [100%\] to [calc(sign(20rem - 20px) * 180%)\] at (-1) should be [20%\]]
    expected: FAIL

  [CSS Transitions: property <font-stretch> from [100%\] to [calc(sign(20rem - 20px) * 180%)\] at (0) should be [100%\]]
    expected: FAIL

  [CSS Transitions: property <font-stretch> from [100%\] to [calc(sign(20rem - 20px) * 180%)\] at (0.125) should be [110%\]]
    expected: FAIL

  [CSS Transitions: property <font-stretch> from [100%\] to [calc(sign(20rem - 20px) * 180%)\] at (0.875) should be [170%\]]
    expected: FAIL

  [CSS Transitions: property <font-stretch> from [100%\] to [calc(sign(20rem - 20px) * 180%)\] at (1) should be [180%\]]
    expected: FAIL

  [CSS Transitions: property <font-stretch> from [100%\] to [calc(sign(20rem - 20px) * 180%)\] at (2) should be [260%\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <font-stretch> from [100%\] to [calc(sign(20rem - 20px) * 180%)\] at (-1) should be [20%\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <font-stretch> from [100%\] to [calc(sign(20rem - 20px) * 180%)\] at (0) should be [100%\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <font-stretch> from [100%\] to [calc(sign(20rem - 20px) * 180%)\] at (0.125) should be [110%\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <font-stretch> from [100%\] to [calc(sign(20rem - 20px) * 180%)\] at (0.875) should be [170%\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <font-stretch> from [100%\] to [calc(sign(20rem - 20px) * 180%)\] at (1) should be [180%\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <font-stretch> from [100%\] to [calc(sign(20rem - 20px) * 180%)\] at (2) should be [260%\]]
    expected: FAIL

  [CSS Animations: property <font-stretch> from [100%\] to [calc(sign(20rem - 20px) * 180%)\] at (-1) should be [20%\]]
    expected: FAIL

  [CSS Animations: property <font-stretch> from [100%\] to [calc(sign(20rem - 20px) * 180%)\] at (0) should be [100%\]]
    expected: FAIL

  [CSS Animations: property <font-stretch> from [100%\] to [calc(sign(20rem - 20px) * 180%)\] at (0.125) should be [110%\]]
    expected: FAIL

  [CSS Animations: property <font-stretch> from [100%\] to [calc(sign(20rem - 20px) * 180%)\] at (0.875) should be [170%\]]
    expected: FAIL

  [CSS Animations: property <font-stretch> from [100%\] to [calc(sign(20rem - 20px) * 180%)\] at (1) should be [180%\]]
    expected: FAIL

  [CSS Animations: property <font-stretch> from [100%\] to [calc(sign(20rem - 20px) * 180%)\] at (2) should be [260%\]]
    expected: FAIL

  [Web Animations: property <font-stretch> from [100%\] to [calc(sign(20rem - 20px) * 180%)\] at (-1) should be [20%\]]
    expected: FAIL

  [Web Animations: property <font-stretch> from [100%\] to [calc(sign(20rem - 20px) * 180%)\] at (0) should be [100%\]]
    expected: FAIL

  [Web Animations: property <font-stretch> from [100%\] to [calc(sign(20rem - 20px) * 180%)\] at (0.125) should be [110%\]]
    expected: FAIL

  [Web Animations: property <font-stretch> from [100%\] to [calc(sign(20rem - 20px) * 180%)\] at (0.875) should be [170%\]]
    expected: FAIL

  [Web Animations: property <font-stretch> from [100%\] to [calc(sign(20rem - 20px) * 180%)\] at (1) should be [180%\]]
    expected: FAIL

  [Web Animations: property <font-stretch> from [100%\] to [calc(sign(20rem - 20px) * 180%)\] at (2) should be [260%\]]
    expected: FAIL

  [CSS Transitions: property <font-stretch> from [calc(sign(20rem - 20px) * 100%)\] to [calc(sign(20rem - 20px) * 180%)\] at (-1) should be [20%\]]
    expected: FAIL

  [CSS Transitions: property <font-stretch> from [calc(sign(20rem - 20px) * 100%)\] to [calc(sign(20rem - 20px) * 180%)\] at (0) should be [100%\]]
    expected: FAIL

  [CSS Transitions: property <font-stretch> from [calc(sign(20rem - 20px) * 100%)\] to [calc(sign(20rem - 20px) * 180%)\] at (0.125) should be [110%\]]
    expected: FAIL

  [CSS Transitions: property <font-stretch> from [calc(sign(20rem - 20px) * 100%)\] to [calc(sign(20rem - 20px) * 180%)\] at (0.875) should be [170%\]]
    expected: FAIL

  [CSS Transitions: property <font-stretch> from [calc(sign(20rem - 20px) * 100%)\] to [calc(sign(20rem - 20px) * 180%)\] at (1) should be [180%\]]
    expected: FAIL

  [CSS Transitions: property <font-stretch> from [calc(sign(20rem - 20px) * 100%)\] to [calc(sign(20rem - 20px) * 180%)\] at (2) should be [260%\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <font-stretch> from [calc(sign(20rem - 20px) * 100%)\] to [calc(sign(20rem - 20px) * 180%)\] at (-1) should be [20%\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <font-stretch> from [calc(sign(20rem - 20px) * 100%)\] to [calc(sign(20rem - 20px) * 180%)\] at (0) should be [100%\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <font-stretch> from [calc(sign(20rem - 20px) * 100%)\] to [calc(sign(20rem - 20px) * 180%)\] at (0.125) should be [110%\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <font-stretch> from [calc(sign(20rem - 20px) * 100%)\] to [calc(sign(20rem - 20px) * 180%)\] at (0.875) should be [170%\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <font-stretch> from [calc(sign(20rem - 20px) * 100%)\] to [calc(sign(20rem - 20px) * 180%)\] at (1) should be [180%\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <font-stretch> from [calc(sign(20rem - 20px) * 100%)\] to [calc(sign(20rem - 20px) * 180%)\] at (2) should be [260%\]]
    expected: FAIL

  [CSS Animations: property <font-stretch> from [calc(sign(20rem - 20px) * 100%)\] to [calc(sign(20rem - 20px) * 180%)\] at (-1) should be [20%\]]
    expected: FAIL

  [CSS Animations: property <font-stretch> from [calc(sign(20rem - 20px) * 100%)\] to [calc(sign(20rem - 20px) * 180%)\] at (0) should be [100%\]]
    expected: FAIL

  [CSS Animations: property <font-stretch> from [calc(sign(20rem - 20px) * 100%)\] to [calc(sign(20rem - 20px) * 180%)\] at (0.125) should be [110%\]]
    expected: FAIL

  [CSS Animations: property <font-stretch> from [calc(sign(20rem - 20px) * 100%)\] to [calc(sign(20rem - 20px) * 180%)\] at (0.875) should be [170%\]]
    expected: FAIL

  [CSS Animations: property <font-stretch> from [calc(sign(20rem - 20px) * 100%)\] to [calc(sign(20rem - 20px) * 180%)\] at (1) should be [180%\]]
    expected: FAIL

  [CSS Animations: property <font-stretch> from [calc(sign(20rem - 20px) * 100%)\] to [calc(sign(20rem - 20px) * 180%)\] at (2) should be [260%\]]
    expected: FAIL

  [Web Animations: property <font-stretch> from [calc(sign(20rem - 20px) * 100%)\] to [calc(sign(20rem - 20px) * 180%)\] at (-1) should be [20%\]]
    expected: FAIL

  [Web Animations: property <font-stretch> from [calc(sign(20rem - 20px) * 100%)\] to [calc(sign(20rem - 20px) * 180%)\] at (0) should be [100%\]]
    expected: FAIL

  [Web Animations: property <font-stretch> from [calc(sign(20rem - 20px) * 100%)\] to [calc(sign(20rem - 20px) * 180%)\] at (0.125) should be [110%\]]
    expected: FAIL

  [Web Animations: property <font-stretch> from [calc(sign(20rem - 20px) * 100%)\] to [calc(sign(20rem - 20px) * 180%)\] at (0.875) should be [170%\]]
    expected: FAIL

  [Web Animations: property <font-stretch> from [calc(sign(20rem - 20px) * 100%)\] to [calc(sign(20rem - 20px) * 180%)\] at (1) should be [180%\]]
    expected: FAIL

  [Web Animations: property <font-stretch> from [calc(sign(20rem - 20px) * 100%)\] to [calc(sign(20rem - 20px) * 180%)\] at (2) should be [260%\]]
    expected: FAIL