This is a testharness.js-based test.
PASS This test uses interpolation-test.js. 
PASS CSS Transitions: property <-webkit-mask-image> from neutral to [url(../resources/green-20.png)] at (-0.3) is [url(file:///.../stripes-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from neutral to [url(../resources/green-20.png)] at (0) is [url(file:///.../stripes-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from neutral to [url(../resources/green-20.png)] at (0.3) is [-webkit-cross-fade(url(file:///.../stripes-20.png), url(file:///.../green-20.png), 0.3)] 
PASS CSS Transitions: property <-webkit-mask-image> from neutral to [url(../resources/green-20.png)] at (0.5) is [-webkit-cross-fade(url(file:///.../stripes-20.png), url(file:///.../green-20.png), 0.5)] 
PASS CSS Transitions: property <-webkit-mask-image> from neutral to [url(../resources/green-20.png)] at (0.6) is [-webkit-cross-fade(url(file:///.../stripes-20.png), url(file:///.../green-20.png), 0.6)] 
PASS CSS Transitions: property <-webkit-mask-image> from neutral to [url(../resources/green-20.png)] at (1) is [url(file:///.../green-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from neutral to [url(../resources/green-20.png)] at (1.5) is [url(file:///.../green-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [initial] to [url(../resources/green-20.png)] at (-0.3) is [url(file:///.../green-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [initial] to [url(../resources/green-20.png)] at (0) is [url(file:///.../green-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [initial] to [url(../resources/green-20.png)] at (0.3) is [url(file:///.../green-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [initial] to [url(../resources/green-20.png)] at (0.5) is [url(file:///.../green-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [initial] to [url(../resources/green-20.png)] at (0.6) is [url(file:///.../green-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [initial] to [url(../resources/green-20.png)] at (1) is [url(file:///.../green-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [initial] to [url(../resources/green-20.png)] at (1.5) is [url(file:///.../green-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [inherit] to [url(../resources/green-20.png)] at (-0.3) is [url(file:///.../blue-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [inherit] to [url(../resources/green-20.png)] at (0) is [url(file:///.../blue-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [inherit] to [url(../resources/green-20.png)] at (0.3) is [-webkit-cross-fade(url(file:///.../blue-20.png), url(file:///.../green-20.png), 0.3)] 
PASS CSS Transitions: property <-webkit-mask-image> from [inherit] to [url(../resources/green-20.png)] at (0.5) is [-webkit-cross-fade(url(file:///.../blue-20.png), url(file:///.../green-20.png), 0.5)] 
PASS CSS Transitions: property <-webkit-mask-image> from [inherit] to [url(../resources/green-20.png)] at (0.6) is [-webkit-cross-fade(url(file:///.../blue-20.png), url(file:///.../green-20.png), 0.6)] 
PASS CSS Transitions: property <-webkit-mask-image> from [inherit] to [url(../resources/green-20.png)] at (1) is [url(file:///.../green-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [inherit] to [url(../resources/green-20.png)] at (1.5) is [url(file:///.../green-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [unset] to [url(../resources/stripes-20.png)] at (-0.3) is [url(file:///.../stripes-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [unset] to [url(../resources/stripes-20.png)] at (0) is [url(file:///.../stripes-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [unset] to [url(../resources/stripes-20.png)] at (0.3) is [url(file:///.../stripes-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [unset] to [url(../resources/stripes-20.png)] at (0.5) is [url(file:///.../stripes-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [unset] to [url(../resources/stripes-20.png)] at (0.6) is [url(file:///.../stripes-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [unset] to [url(../resources/stripes-20.png)] at (1) is [url(file:///.../stripes-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [unset] to [url(../resources/stripes-20.png)] at (1.5) is [url(file:///.../stripes-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [url(../resources/blue-20.png)] at (-0.3) is [url(file:///.../stripes-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [url(../resources/blue-20.png)] at (0) is [url(file:///.../stripes-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [url(../resources/blue-20.png)] at (0.3) is [-webkit-cross-fade(url(file:///.../stripes-20.png), url(file:///.../blue-20.png), 0.3)] 
PASS CSS Transitions: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [url(../resources/blue-20.png)] at (0.5) is [-webkit-cross-fade(url(file:///.../stripes-20.png), url(file:///.../blue-20.png), 0.5)] 
PASS CSS Transitions: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [url(../resources/blue-20.png)] at (0.6) is [-webkit-cross-fade(url(file:///.../stripes-20.png), url(file:///.../blue-20.png), 0.6)] 
PASS CSS Transitions: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [url(../resources/blue-20.png)] at (1) is [url(file:///.../blue-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [url(../resources/blue-20.png)] at (1.5) is [url(file:///.../blue-20.png)] 
FAIL CSS Transitions: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [linear-gradient(45deg, blue, transparent)] at (-0.3) is [linear-gradient(45deg, blue, transparent)] assert_equals: expected "url ( file : / / / ... / stripes - 20.png ) " but got "linear - gradient ( 45deg , blue , transparent ) "
FAIL CSS Transitions: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [linear-gradient(45deg, blue, transparent)] at (0) is [linear-gradient(45deg, blue, transparent)] assert_equals: expected "url ( file : / / / ... / stripes - 20.png ) " but got "linear - gradient ( 45deg , blue , transparent ) "
FAIL CSS Transitions: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [linear-gradient(45deg, blue, transparent)] at (0.3) is [linear-gradient(45deg, blue, transparent)] assert_equals: expected "- webkit - cross - fade ( url ( file : / / / ... / stripes - 20.png ) , linear - gradient ( 45deg , blue , transparent ) , 0.3 ) " but got "linear - gradient ( 45deg , blue , transparent ) "
FAIL CSS Transitions: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [linear-gradient(45deg, blue, transparent)] at (0.5) is [linear-gradient(45deg, blue, transparent)] assert_equals: expected "- webkit - cross - fade ( url ( file : / / / ... / stripes - 20.png ) , linear - gradient ( 45deg , blue , transparent ) , 0.5 ) " but got "linear - gradient ( 45deg , blue , transparent ) "
FAIL CSS Transitions: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [linear-gradient(45deg, blue, transparent)] at (0.6) is [linear-gradient(45deg, blue, transparent)] assert_equals: expected "- webkit - cross - fade ( url ( file : / / / ... / stripes - 20.png ) , linear - gradient ( 45deg , blue , transparent ) , 0.6 ) " but got "linear - gradient ( 45deg , blue , transparent ) "
PASS CSS Transitions: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [linear-gradient(45deg, blue, transparent)] at (1) is [linear-gradient(45deg, blue, transparent)] 
PASS CSS Transitions: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [linear-gradient(45deg, blue, transparent)] at (1.5) is [linear-gradient(45deg, blue, transparent)] 
FAIL CSS Transitions: property <-webkit-mask-image> from [linear-gradient(-45deg, blue, transparent)] to [linear-gradient(45deg, blue, transparent)] at (-0.3) is [linear-gradient(45deg, blue, transparent)] assert_equals: expected "linear - gradient ( - 45deg , blue , transparent ) " but got "linear - gradient ( 45deg , blue , transparent ) "
FAIL CSS Transitions: property <-webkit-mask-image> from [linear-gradient(-45deg, blue, transparent)] to [linear-gradient(45deg, blue, transparent)] at (0) is [linear-gradient(45deg, blue, transparent)] assert_equals: expected "linear - gradient ( - 45deg , blue , transparent ) " but got "linear - gradient ( 45deg , blue , transparent ) "
FAIL CSS Transitions: property <-webkit-mask-image> from [linear-gradient(-45deg, blue, transparent)] to [linear-gradient(45deg, blue, transparent)] at (0.3) is [linear-gradient(45deg, blue, transparent)] assert_equals: expected "- webkit - cross - fade ( linear - gradient ( - 45deg , blue , transparent ) , linear - gradient ( 45deg , blue , transparent ) , 0.3 ) " but got "linear - gradient ( 45deg , blue , transparent ) "
FAIL CSS Transitions: property <-webkit-mask-image> from [linear-gradient(-45deg, blue, transparent)] to [linear-gradient(45deg, blue, transparent)] at (0.5) is [linear-gradient(45deg, blue, transparent)] assert_equals: expected "- webkit - cross - fade ( linear - gradient ( - 45deg , blue , transparent ) , linear - gradient ( 45deg , blue , transparent ) , 0.5 ) " but got "linear - gradient ( 45deg , blue , transparent ) "
FAIL CSS Transitions: property <-webkit-mask-image> from [linear-gradient(-45deg, blue, transparent)] to [linear-gradient(45deg, blue, transparent)] at (0.6) is [linear-gradient(45deg, blue, transparent)] assert_equals: expected "- webkit - cross - fade ( linear - gradient ( - 45deg , blue , transparent ) , linear - gradient ( 45deg , blue , transparent ) , 0.6 ) " but got "linear - gradient ( 45deg , blue , transparent ) "
PASS CSS Transitions: property <-webkit-mask-image> from [linear-gradient(-45deg, blue, transparent)] to [linear-gradient(45deg, blue, transparent)] at (1) is [linear-gradient(45deg, blue, transparent)] 
PASS CSS Transitions: property <-webkit-mask-image> from [linear-gradient(-45deg, blue, transparent)] to [linear-gradient(45deg, blue, transparent)] at (1.5) is [linear-gradient(45deg, blue, transparent)] 
PASS CSS Transitions: property <-webkit-mask-image> from [none] to [url(../resources/blue-20.png)] at (-0.3) is [url(file:///.../blue-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [none] to [url(../resources/blue-20.png)] at (0) is [url(file:///.../blue-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [none] to [url(../resources/blue-20.png)] at (0.3) is [url(file:///.../blue-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [none] to [url(../resources/blue-20.png)] at (0.5) is [url(file:///.../blue-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [none] to [url(../resources/blue-20.png)] at (0.6) is [url(file:///.../blue-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [none] to [url(../resources/blue-20.png)] at (1) is [url(file:///.../blue-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [none] to [url(../resources/blue-20.png)] at (1.5) is [url(file:///.../blue-20.png)] 
FAIL CSS Transitions: property <-webkit-mask-image> from [url(../resources/stripes-20.png), linear-gradient(-45deg, blue, transparent)] to [url(../resources/blue-20.png), url(../resources/stripes-20.png)] at (-0.3) is [url(file:///.../blue-20.png), url(file:///.../stripes-20.png)] assert_equals: expected "url ( file : / / / ... / stripes - 20.png ) , linear - gradient ( - 45deg , blue , transparent ) " but got "url ( file : / / / ... / blue - 20.png ) , url ( file : / / / ... / stripes - 20.png ) "
FAIL CSS Transitions: property <-webkit-mask-image> from [url(../resources/stripes-20.png), linear-gradient(-45deg, blue, transparent)] to [url(../resources/blue-20.png), url(../resources/stripes-20.png)] at (0) is [url(file:///.../blue-20.png), url(file:///.../stripes-20.png)] assert_equals: expected "url ( file : / / / ... / stripes - 20.png ) , linear - gradient ( - 45deg , blue , transparent ) " but got "url ( file : / / / ... / blue - 20.png ) , url ( file : / / / ... / stripes - 20.png ) "
FAIL CSS Transitions: property <-webkit-mask-image> from [url(../resources/stripes-20.png), linear-gradient(-45deg, blue, transparent)] to [url(../resources/blue-20.png), url(../resources/stripes-20.png)] at (0.3) is [url(file:///.../blue-20.png), url(file:///.../stripes-20.png)] assert_equals: expected "- webkit - cross - fade ( url ( file : / / / ... / stripes - 20.png ) , url ( file : / / / ... / blue - 20.png ) , 0.3 ) , - webkit - cross - fade ( linear - gradient ( - 45deg , blue , transparent ) , url ( file : / / / ... / stripes - 20.png ) , 0.3 ) " but got "url ( file : / / / ... / blue - 20.png ) , url ( file : / / / ... / stripes - 20.png ) "
FAIL CSS Transitions: property <-webkit-mask-image> from [url(../resources/stripes-20.png), linear-gradient(-45deg, blue, transparent)] to [url(../resources/blue-20.png), url(../resources/stripes-20.png)] at (0.6) is [url(file:///.../blue-20.png), url(file:///.../stripes-20.png)] assert_equals: expected "- webkit - cross - fade ( url ( file : / / / ... / stripes - 20.png ) , url ( file : / / / ... / blue - 20.png ) , 0.6 ) , - webkit - cross - fade ( linear - gradient ( - 45deg , blue , transparent ) , url ( file : / / / ... / stripes - 20.png ) , 0.6 ) " but got "url ( file : / / / ... / blue - 20.png ) , url ( file : / / / ... / stripes - 20.png ) "
PASS CSS Transitions: property <-webkit-mask-image> from [url(../resources/stripes-20.png), linear-gradient(-45deg, blue, transparent)] to [url(../resources/blue-20.png), url(../resources/stripes-20.png)] at (1) is [url(file:///.../blue-20.png), url(file:///.../stripes-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [url(../resources/stripes-20.png), linear-gradient(-45deg, blue, transparent)] to [url(../resources/blue-20.png), url(../resources/stripes-20.png)] at (1.5) is [url(file:///.../blue-20.png), url(file:///.../stripes-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [url(../resources/blue-20.png)] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (-0.3) is [url(file:///.../blue-20.png), url(file:///.../blue-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [url(../resources/blue-20.png)] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (0) is [url(file:///.../blue-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [url(../resources/blue-20.png)] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (0.3) is [-webkit-cross-fade(url(file:///.../blue-20.png), url(file:///.../stripes-20.png), 0.3), -webkit-cross-fade(url(file:///.../blue-20.png), url(file:///.../blue-20.png), 0.3)] 
PASS CSS Transitions: property <-webkit-mask-image> from [url(../resources/blue-20.png)] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (0.6) is [-webkit-cross-fade(url(file:///.../blue-20.png), url(file:///.../stripes-20.png), 0.6), -webkit-cross-fade(url(file:///.../blue-20.png), url(file:///.../blue-20.png), 0.6)] 
PASS CSS Transitions: property <-webkit-mask-image> from [url(../resources/blue-20.png)] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (1) is [url(file:///.../stripes-20.png), url(file:///.../blue-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [url(../resources/blue-20.png)] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (1.5) is [url(file:///.../stripes-20.png), url(file:///.../blue-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [url(../resources/blue-20.png), none] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (-0.3) is [url(file:///.../stripes-20.png), url(file:///.../blue-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [url(../resources/blue-20.png), none] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (0) is [url(file:///.../stripes-20.png), url(file:///.../blue-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [url(../resources/blue-20.png), none] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (0.3) is [url(file:///.../stripes-20.png), url(file:///.../blue-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [url(../resources/blue-20.png), none] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (0.5) is [url(file:///.../stripes-20.png), url(file:///.../blue-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [url(../resources/blue-20.png), none] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (0.6) is [url(file:///.../stripes-20.png), url(file:///.../blue-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [url(../resources/blue-20.png), none] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (1) is [url(file:///.../stripes-20.png), url(file:///.../blue-20.png)] 
PASS CSS Transitions: property <-webkit-mask-image> from [url(../resources/blue-20.png), none] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (1.5) is [url(file:///.../stripes-20.png), url(file:///.../blue-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from neutral to [url(../resources/green-20.png)] at (-0.3) is [url(file:///.../stripes-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from neutral to [url(../resources/green-20.png)] at (0) is [url(file:///.../stripes-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from neutral to [url(../resources/green-20.png)] at (0.3) is [-webkit-cross-fade(url(file:///.../stripes-20.png), url(file:///.../green-20.png), 0.3)] 
PASS CSS Animations: property <-webkit-mask-image> from neutral to [url(../resources/green-20.png)] at (0.5) is [-webkit-cross-fade(url(file:///.../stripes-20.png), url(file:///.../green-20.png), 0.5)] 
PASS CSS Animations: property <-webkit-mask-image> from neutral to [url(../resources/green-20.png)] at (0.6) is [-webkit-cross-fade(url(file:///.../stripes-20.png), url(file:///.../green-20.png), 0.6)] 
PASS CSS Animations: property <-webkit-mask-image> from neutral to [url(../resources/green-20.png)] at (1) is [url(file:///.../green-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from neutral to [url(../resources/green-20.png)] at (1.5) is [url(file:///.../green-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [initial] to [url(../resources/green-20.png)] at (-0.3) is [none] 
PASS CSS Animations: property <-webkit-mask-image> from [initial] to [url(../resources/green-20.png)] at (0) is [none] 
PASS CSS Animations: property <-webkit-mask-image> from [initial] to [url(../resources/green-20.png)] at (0.3) is [none] 
PASS CSS Animations: property <-webkit-mask-image> from [initial] to [url(../resources/green-20.png)] at (0.5) is [url(file:///.../green-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [initial] to [url(../resources/green-20.png)] at (0.6) is [url(file:///.../green-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [initial] to [url(../resources/green-20.png)] at (1) is [url(file:///.../green-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [initial] to [url(../resources/green-20.png)] at (1.5) is [url(file:///.../green-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [inherit] to [url(../resources/green-20.png)] at (-0.3) is [url(file:///.../blue-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [inherit] to [url(../resources/green-20.png)] at (0) is [url(file:///.../blue-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [inherit] to [url(../resources/green-20.png)] at (0.3) is [-webkit-cross-fade(url(file:///.../blue-20.png), url(file:///.../green-20.png), 0.3)] 
PASS CSS Animations: property <-webkit-mask-image> from [inherit] to [url(../resources/green-20.png)] at (0.5) is [-webkit-cross-fade(url(file:///.../blue-20.png), url(file:///.../green-20.png), 0.5)] 
PASS CSS Animations: property <-webkit-mask-image> from [inherit] to [url(../resources/green-20.png)] at (0.6) is [-webkit-cross-fade(url(file:///.../blue-20.png), url(file:///.../green-20.png), 0.6)] 
PASS CSS Animations: property <-webkit-mask-image> from [inherit] to [url(../resources/green-20.png)] at (1) is [url(file:///.../green-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [inherit] to [url(../resources/green-20.png)] at (1.5) is [url(file:///.../green-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [unset] to [url(../resources/stripes-20.png)] at (-0.3) is [none] 
PASS CSS Animations: property <-webkit-mask-image> from [unset] to [url(../resources/stripes-20.png)] at (0) is [none] 
PASS CSS Animations: property <-webkit-mask-image> from [unset] to [url(../resources/stripes-20.png)] at (0.3) is [none] 
PASS CSS Animations: property <-webkit-mask-image> from [unset] to [url(../resources/stripes-20.png)] at (0.5) is [url(file:///.../stripes-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [unset] to [url(../resources/stripes-20.png)] at (0.6) is [url(file:///.../stripes-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [unset] to [url(../resources/stripes-20.png)] at (1) is [url(file:///.../stripes-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [unset] to [url(../resources/stripes-20.png)] at (1.5) is [url(file:///.../stripes-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [url(../resources/blue-20.png)] at (-0.3) is [url(file:///.../stripes-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [url(../resources/blue-20.png)] at (0) is [url(file:///.../stripes-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [url(../resources/blue-20.png)] at (0.3) is [-webkit-cross-fade(url(file:///.../stripes-20.png), url(file:///.../blue-20.png), 0.3)] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [url(../resources/blue-20.png)] at (0.5) is [-webkit-cross-fade(url(file:///.../stripes-20.png), url(file:///.../blue-20.png), 0.5)] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [url(../resources/blue-20.png)] at (0.6) is [-webkit-cross-fade(url(file:///.../stripes-20.png), url(file:///.../blue-20.png), 0.6)] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [url(../resources/blue-20.png)] at (1) is [url(file:///.../blue-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [url(../resources/blue-20.png)] at (1.5) is [url(file:///.../blue-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [linear-gradient(45deg, blue, transparent)] at (-0.3) is [url(file:///.../stripes-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [linear-gradient(45deg, blue, transparent)] at (0) is [url(file:///.../stripes-20.png)] 
FAIL CSS Animations: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [linear-gradient(45deg, blue, transparent)] at (0.3) is [url(file:///.../stripes-20.png)] assert_equals: expected "- webkit - cross - fade ( url ( file : / / / ... / stripes - 20.png ) , linear - gradient ( 45deg , blue , transparent ) , 0.3 ) " but got "url ( file : / / / ... / stripes - 20.png ) "
FAIL CSS Animations: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [linear-gradient(45deg, blue, transparent)] at (0.5) is [linear-gradient(45deg, blue, transparent)] assert_equals: expected "- webkit - cross - fade ( url ( file : / / / ... / stripes - 20.png ) , linear - gradient ( 45deg , blue , transparent ) , 0.5 ) " but got "linear - gradient ( 45deg , blue , transparent ) "
FAIL CSS Animations: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [linear-gradient(45deg, blue, transparent)] at (0.6) is [linear-gradient(45deg, blue, transparent)] assert_equals: expected "- webkit - cross - fade ( url ( file : / / / ... / stripes - 20.png ) , linear - gradient ( 45deg , blue , transparent ) , 0.6 ) " but got "linear - gradient ( 45deg , blue , transparent ) "
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [linear-gradient(45deg, blue, transparent)] at (1) is [linear-gradient(45deg, blue, transparent)] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/stripes-20.png)] to [linear-gradient(45deg, blue, transparent)] at (1.5) is [linear-gradient(45deg, blue, transparent)] 
PASS CSS Animations: property <-webkit-mask-image> from [linear-gradient(-45deg, blue, transparent)] to [linear-gradient(45deg, blue, transparent)] at (-0.3) is [linear-gradient(-45deg, blue, transparent)] 
PASS CSS Animations: property <-webkit-mask-image> from [linear-gradient(-45deg, blue, transparent)] to [linear-gradient(45deg, blue, transparent)] at (0) is [linear-gradient(-45deg, blue, transparent)] 
FAIL CSS Animations: property <-webkit-mask-image> from [linear-gradient(-45deg, blue, transparent)] to [linear-gradient(45deg, blue, transparent)] at (0.3) is [linear-gradient(-45deg, blue, transparent)] assert_equals: expected "- webkit - cross - fade ( linear - gradient ( - 45deg , blue , transparent ) , linear - gradient ( 45deg , blue , transparent ) , 0.3 ) " but got "linear - gradient ( - 45deg , blue , transparent ) "
FAIL CSS Animations: property <-webkit-mask-image> from [linear-gradient(-45deg, blue, transparent)] to [linear-gradient(45deg, blue, transparent)] at (0.5) is [linear-gradient(45deg, blue, transparent)] assert_equals: expected "- webkit - cross - fade ( linear - gradient ( - 45deg , blue , transparent ) , linear - gradient ( 45deg , blue , transparent ) , 0.5 ) " but got "linear - gradient ( 45deg , blue , transparent ) "
FAIL CSS Animations: property <-webkit-mask-image> from [linear-gradient(-45deg, blue, transparent)] to [linear-gradient(45deg, blue, transparent)] at (0.6) is [linear-gradient(45deg, blue, transparent)] assert_equals: expected "- webkit - cross - fade ( linear - gradient ( - 45deg , blue , transparent ) , linear - gradient ( 45deg , blue , transparent ) , 0.6 ) " but got "linear - gradient ( 45deg , blue , transparent ) "
PASS CSS Animations: property <-webkit-mask-image> from [linear-gradient(-45deg, blue, transparent)] to [linear-gradient(45deg, blue, transparent)] at (1) is [linear-gradient(45deg, blue, transparent)] 
PASS CSS Animations: property <-webkit-mask-image> from [linear-gradient(-45deg, blue, transparent)] to [linear-gradient(45deg, blue, transparent)] at (1.5) is [linear-gradient(45deg, blue, transparent)] 
PASS CSS Animations: property <-webkit-mask-image> from [none] to [url(../resources/blue-20.png)] at (-0.3) is [none] 
PASS CSS Animations: property <-webkit-mask-image> from [none] to [url(../resources/blue-20.png)] at (0) is [none] 
PASS CSS Animations: property <-webkit-mask-image> from [none] to [url(../resources/blue-20.png)] at (0.3) is [none] 
PASS CSS Animations: property <-webkit-mask-image> from [none] to [url(../resources/blue-20.png)] at (0.5) is [url(file:///.../blue-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [none] to [url(../resources/blue-20.png)] at (0.6) is [url(file:///.../blue-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [none] to [url(../resources/blue-20.png)] at (1) is [url(file:///.../blue-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [none] to [url(../resources/blue-20.png)] at (1.5) is [url(file:///.../blue-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/stripes-20.png), linear-gradient(-45deg, blue, transparent)] to [url(../resources/blue-20.png), url(../resources/stripes-20.png)] at (-0.3) is [url(file:///.../stripes-20.png), linear-gradient(-45deg, blue, transparent)] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/stripes-20.png), linear-gradient(-45deg, blue, transparent)] to [url(../resources/blue-20.png), url(../resources/stripes-20.png)] at (0) is [url(file:///.../stripes-20.png), linear-gradient(-45deg, blue, transparent)] 
FAIL CSS Animations: property <-webkit-mask-image> from [url(../resources/stripes-20.png), linear-gradient(-45deg, blue, transparent)] to [url(../resources/blue-20.png), url(../resources/stripes-20.png)] at (0.3) is [url(file:///.../stripes-20.png), linear-gradient(-45deg, blue, transparent)] assert_equals: expected "- webkit - cross - fade ( url ( file : / / / ... / stripes - 20.png ) , url ( file : / / / ... / blue - 20.png ) , 0.3 ) , - webkit - cross - fade ( linear - gradient ( - 45deg , blue , transparent ) , url ( file : / / / ... / stripes - 20.png ) , 0.3 ) " but got "url ( file : / / / ... / stripes - 20.png ) , linear - gradient ( - 45deg , blue , transparent ) "
FAIL CSS Animations: property <-webkit-mask-image> from [url(../resources/stripes-20.png), linear-gradient(-45deg, blue, transparent)] to [url(../resources/blue-20.png), url(../resources/stripes-20.png)] at (0.6) is [url(file:///.../blue-20.png), url(file:///.../stripes-20.png)] assert_equals: expected "- webkit - cross - fade ( url ( file : / / / ... / stripes - 20.png ) , url ( file : / / / ... / blue - 20.png ) , 0.6 ) , - webkit - cross - fade ( linear - gradient ( - 45deg , blue , transparent ) , url ( file : / / / ... / stripes - 20.png ) , 0.6 ) " but got "url ( file : / / / ... / blue - 20.png ) , url ( file : / / / ... / stripes - 20.png ) "
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/stripes-20.png), linear-gradient(-45deg, blue, transparent)] to [url(../resources/blue-20.png), url(../resources/stripes-20.png)] at (1) is [url(file:///.../blue-20.png), url(file:///.../stripes-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/stripes-20.png), linear-gradient(-45deg, blue, transparent)] to [url(../resources/blue-20.png), url(../resources/stripes-20.png)] at (1.5) is [url(file:///.../blue-20.png), url(file:///.../stripes-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/blue-20.png)] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (-0.3) is [url(file:///.../blue-20.png), url(file:///.../blue-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/blue-20.png)] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (0) is [url(file:///.../blue-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/blue-20.png)] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (0.3) is [-webkit-cross-fade(url(file:///.../blue-20.png), url(file:///.../stripes-20.png), 0.3), -webkit-cross-fade(url(file:///.../blue-20.png), url(file:///.../blue-20.png), 0.3)] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/blue-20.png)] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (0.6) is [-webkit-cross-fade(url(file:///.../blue-20.png), url(file:///.../stripes-20.png), 0.6), -webkit-cross-fade(url(file:///.../blue-20.png), url(file:///.../blue-20.png), 0.6)] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/blue-20.png)] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (1) is [url(file:///.../stripes-20.png), url(file:///.../blue-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/blue-20.png)] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (1.5) is [url(file:///.../stripes-20.png), url(file:///.../blue-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/blue-20.png), none] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (-0.3) is [url(file:///.../blue-20.png), none] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/blue-20.png), none] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (0) is [url(file:///.../blue-20.png), none] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/blue-20.png), none] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (0.3) is [url(file:///.../blue-20.png), none] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/blue-20.png), none] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (0.5) is [url(file:///.../stripes-20.png), url(file:///.../blue-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/blue-20.png), none] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (0.6) is [url(file:///.../stripes-20.png), url(file:///.../blue-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/blue-20.png), none] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (1) is [url(file:///.../stripes-20.png), url(file:///.../blue-20.png)] 
PASS CSS Animations: property <-webkit-mask-image> from [url(../resources/blue-20.png), none] to [url(../resources/stripes-20.png), url(../resources/blue-20.png)] at (1.5) is [url(file:///.../stripes-20.png), url(file:///.../blue-20.png)] 
Harness: the test ran to completion.