Bug 1840603 - Enable preferences in dom/animation/test/chrome.ini for…

… motion path. r=hiro

Enable the necessary preferences for motion path.

Also, add some more tests to cover most offset-* properties and values.

Differential Revision: https://phabricator.services.mozilla.com/D182240

dom/animation/test/chrome.ini

@@ -6,6 +6,10 @@ prefs =
   gfx.omta.background-color=true
   layout.css.individual-transform.enabled=true
   layout.css.motion-path.enabled=true
+  layout.css.motion-path-basic-shapes.enabled=true
+  layout.css.motion-path-coord-box.enabled=true
+  layout.css.motion-path-offset-position.enabled=true
+  layout.css.motion-path-ray.enabled=true
 support-files =
   testcommon.js
   ../../imptests/testharness.js
@@ -15,14 +19,14 @@ support-files =
 [chrome/test_animate_xrays.html]
 # file_animate_xrays.html needs to go in mochitest.ini since it is served
 # over HTTP
-[chrome/test_keyframe_effect_xrays.html]
 [chrome/test_animation_observers_async.html]
 [chrome/test_animation_observers_sync.html]
 [chrome/test_animation_performance_warning.html]
 [chrome/test_animation_properties.html]
 [chrome/test_animation_properties_display.html]
 [chrome/test_cssanimation_missing_keyframes.html]
 [chrome/test_generated_content_getAnimations.html]
+[chrome/test_keyframe_effect_xrays.html]
 [chrome/test_mutation_observer_for_element_removal_in_shadow_tree.html]
 [chrome/test_running_on_compositor.html]
 [chrome/test_simulate_compute_values_failure.html]

dom/animation/test/chrome/test_running_on_compositor.html

@@ -1221,6 +1221,32 @@
     'offset-path:polygon() animation should be running on the compositor');
 }, 'offset-path:polygon() animation runs on the compositor');
 
+promise_test(async t => {
+  const div = addDiv(t);
+  const animation = div.animate({ offsetPath: ['padding-box',
+                                               'padding-box'] },
+                                100 * MS_PER_SEC);
+
+  await waitForAnimationReadyToRestyle(animation);
+  await waitForPaints();
+
+  assert_animation_is_running_on_compositor(animation,
+    'offset-path:padding-box animation should be running on the compositor');
+}, 'offset-path:padding-box animation runs on the compositor');
+
+promise_test(async t => {
+  const div = addDiv(t);
+  const animation = div.animate({ offsetPath: ['content-box',
+                                               'content-box'] },
+                                100 * MS_PER_SEC);
+
+  await waitForAnimationReadyToRestyle(animation);
+  await waitForPaints();
+
+  assert_animation_is_running_on_compositor(animation,
+    'offset-path:content-box animation should be running on the compositor');
+}, 'offset-path:content-box animation runs on the compositor');
+
 promise_test(async t => {
   const div = addDiv(t);
   const animation = div.animate({ offsetDistance: ['0%', '100%'] },
@@ -1290,6 +1316,29 @@
     'new added offset-path animation should be running on the compositor');
 }, 'offset-anchor animation runs on the compositor');
 
+promise_test(async t => {
+  const div = addDiv(t);
+  const animation = div.animate({ offsetPosition: ['0% 0%', '100% 100%'] },
+                                100 * MS_PER_SEC);
+
+  await waitForAnimationReadyToRestyle(animation);
+  await waitForPaints();
+
+  assert_animation_is_not_running_on_compositor(animation,
+    'offset-position animation is not running on the compositor because ' +
+    'offset-path is none');
+
+  const newAnim = div.animate({ offsetPath: ['None', 'None'] },
+                              100 * MS_PER_SEC);
+  await waitForAnimationReadyToRestyle(newAnim);
+  await waitForPaints();
+
+  assert_animation_is_running_on_compositor(animation,
+    'offset-position animation should be running on the compositor');
+  assert_animation_is_running_on_compositor(newAnim,
+    'new added offset-path animation should be running on the compositor');
+}, 'offset-position animation runs on the compositor');
+
 promise_test(async t => {
   const div = addDiv(t);
   const animation = div.animate({ translate: ['0px', '100px'],