Import wpt@a7e9c2abcf65b78fcf1c246fec6681c74e1bc352

third_party/WebKit/LayoutTests/external/wpt/web-animations/interfaces/AnimationEffectTiming/delay.html

Index: third_party/WebKit/LayoutTests/external/wpt/web-animations/interfaces/AnimationEffectTiming/delay.html
diff --git a/third_party/WebKit/LayoutTests/external/wpt/web-animations/interfaces/AnimationEffectTiming/delay.html b/third_party/WebKit/LayoutTests/external/wpt/web-animations/interfaces/AnimationEffectTiming/delay.html
index d6e1cd904543003a7bcf1e8eba32a95e39bd4257..1b34f7dbe761c72d70fd6d7498b6fd18e207ef2c 100644
--- a/third_party/WebKit/LayoutTests/external/wpt/web-animations/interfaces/AnimationEffectTiming/delay.html
+++ b/third_party/WebKit/LayoutTests/external/wpt/web-animations/interfaces/AnimationEffectTiming/delay.html
@@ -12,6 +12,11 @@
 'use strict';
 
 test(function(t) {
+  var anim = createDiv(t).animate(null);
+  assert_equals(anim.effect.timing.delay, 0);
+}, 'Test default value');
+
+test(function(t) {
   var div = createDiv(t);
   var anim = div.animate({ opacity: [ 0, 1 ] }, 100);
   anim.effect.timing.delay = 100;
@@ -57,5 +62,18 @@ test(function(t) {
   assert_equals(anim.effect.getComputedTiming().currentIteration, 0);
 }, 'Test finishing an animation using a large negative delay');
 
+test(function(t) {
+  var div = createDiv(t);
+  var anim = div.animate(null);
+  for (let invalid of [NaN, Infinity]) {
+    assert_throws({ name: 'TypeError' }, function() {
+      anim.effect.timing.delay = invalid;
+    }, 'setting ' + invalid);
+    assert_throws({ name: 'TypeError' }, function() {
+      div.animate({}, { delay: invalid });
+    }, 'animate() with ' + invalid);
+  }
+}, 'Setting invalid values should throw TypeError');
+
 </script>
 </body>