Test the computed style of the spring() function on the transition-timing-function property.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


Valid spring tests


Basic : spring(1 100 10 0)
PASS springStyle.cssText is 'spring(1 100 10 0)'

Negative Velocity : spring(1 100 10 -10)
PASS springStyle.cssText is 'spring(1 100 10 -10)'

Positive Velocity : spring(1 100 10 10)
PASS springStyle.cssText is 'spring(1 100 10 10)'

Zero Damping : spring(1 100 0 10)
PASS springStyle.cssText is 'spring(1 100 0 10)'

Minimum Values : spring(1 1 0 -999999)
PASS springStyle.cssText is 'spring(1 1 0 -999999)'

Floating Point Values : spring(1.5 2.3 3.7 -1.8)
PASS springStyle.cssText is 'spring(1.5 2.3 3.7 -1.8)'

Invalid spring tests


No parameters : spring()
PASS springStyle.cssText is 'ease'

Not enough parameters : spring(1 100 10)
PASS springStyle.cssText is 'ease'

Too many parameters : spring(1 100 10 0 0)
PASS springStyle.cssText is 'ease'

Non-numeric parameters : spring(a b c d)
PASS springStyle.cssText is 'ease'

Illegal Mass (< 0) : spring(-1 100 10 0)
PASS springStyle.cssText is 'ease'

Illegal Mass (== 0) : spring(0 100 10 0)
PASS springStyle.cssText is 'ease'

Illegal Stiffness (< 0) : spring(1 -1 10 0)
PASS springStyle.cssText is 'ease'

Illegal Stiffness (== 0) : spring(1 0 10 0)
PASS springStyle.cssText is 'ease'

Illegal Damping (< 0) : spring(1 100 -1 0)
PASS springStyle.cssText is 'ease'
PASS successfullyParsed is true

TEST COMPLETE