Bindings for CSSOM View smooth scroll API

LayoutTests/fast/dom/Window/window-scroll-arguments-expected.txt

Index: LayoutTests/fast/dom/Window/window-scroll-arguments-expected.txt
diff --git a/LayoutTests/fast/dom/Window/window-scroll-arguments-expected.txt b/LayoutTests/fast/dom/Window/window-scroll-arguments-expected.txt
index 8206e95b10e73f555a1bcb10daac36d5ae3ec12d..cde2cd0e79157d9375ba63e195ca31ed6c43c2f7 100644
--- a/LayoutTests/fast/dom/Window/window-scroll-arguments-expected.txt
+++ b/LayoutTests/fast/dom/Window/window-scroll-arguments-expected.txt
@@ -1,4 +1,4 @@
-This test makes sure that calling the window scrolling methods with less than 2 arguments throws exception.
+This test makes sure that calling the window scrolling methods with less than 2 arguments or with an invalid third argument throws an exception.
 
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
@@ -13,6 +13,14 @@ PASS window.scrollTo(x) threw exception TypeError: Failed to execute 'scrollTo'
 Testing - scrollTo with more than 2 arguments
 PASS window.scrollX is x
 PASS window.scrollY is y
+Testing - scrollTo with a valid ScrollOptions argument
+PASS window.scrollTo(x, y, { }) did not throw exception.
+PASS window.scrollTo(x, y, { behavior: "auto" }) did not throw exception.
+PASS window.scrollTo(x, y, { behavior: "instant" }) did not throw exception.
+PASS window.scrollTo(x, y, { behavior: "smooth" }) did not throw exception.
+Testing - scrollTo with an invalid ScrollOptions argument
+PASS window.scrollTo(x, y, { behavior: "" }) threw exception TypeError: Failed to execute 'scrollTo' on 'Window': The ScrollBehavior provided is invalid..
+PASS window.scrollTo(x, y, { behavior: "abcd" }) threw exception TypeError: Failed to execute 'scrollTo' on 'Window': The ScrollBehavior provided is invalid..
 
 window.scroll Tests
 
@@ -23,6 +31,14 @@ PASS window.scroll(x) threw exception TypeError: Failed to execute 'scroll' on '
 Testing - scroll with more than 2 arguments
 PASS window.scrollX is x
 PASS window.scrollY is y
+Testing - scroll with a valid ScrollOptions argument
+PASS window.scroll(x, y, { }) did not throw exception.
+PASS window.scroll(x, y, { behavior: "auto" }) did not throw exception.
+PASS window.scroll(x, y, { behavior: "instant" }) did not throw exception.
+PASS window.scroll(x, y, { behavior: "smooth" }) did not throw exception.
+Testing - scroll with an invalid ScrollOptions argument
+PASS window.scroll(x, y, { behavior: "" }) threw exception TypeError: Failed to execute 'scroll' on 'Window': The ScrollBehavior provided is invalid..
+PASS window.scroll(x, y, { behavior: "abcd" }) threw exception TypeError: Failed to execute 'scroll' on 'Window': The ScrollBehavior provided is invalid..
 
 window.scrollBy Tests
 
@@ -33,6 +49,14 @@ PASS window.scrollBy(x) threw exception TypeError: Failed to execute 'scrollBy'
 Testing - scrollBy with more than 2 arguments
 PASS window.scrollX is resetX + x
 PASS window.scrollY is resetY + y
+Testing - scrollBy with a valid ScrollOptions argument
+PASS window.scrollBy(x, y, { }) did not throw exception.
+PASS window.scrollBy(x, y, { behavior: "auto" }) did not throw exception.
+PASS window.scrollBy(x, y, { behavior: "instant" }) did not throw exception.
+PASS window.scrollBy(x, y, { behavior: "smooth" }) did not throw exception.
+Testing - scrollBy with an invalid ScrollOptions argument
+PASS window.scrollBy(x, y, { behavior: "" }) threw exception TypeError: Failed to execute 'scrollBy' on 'Window': The ScrollBehavior provided is invalid..
+PASS window.scrollBy(x, y, { behavior: "abcd" }) threw exception TypeError: Failed to execute 'scrollBy' on 'Window': The ScrollBehavior provided is invalid..
 PASS successfullyParsed is true
 
 TEST COMPLETE