LTR case

The test passes if the arrow has a leading space of 100px, which is as wide as the black block to the left, and a trailing space of 200px, which is as wide as the black block to the right.

The test passes if the arrow has a leading space of 150px, which is as wide as the black block to the left, and a trailing space of 150px, which is as wide as the black block to the right.

The test passes if the arrow has a leading space of 200px, which is as wide as the black block to the left, and a trailing space of 100px, which is as wide as the black block to the right.

RTL case

The test passes if the arrow has a leading space of 100px, which is as wide as the black block to the right, and a trailing space of 200px, which is as wide as the black block to the left.

The test passes if the arrow has a leading space of 150px, which is as wide as the black block to the right, and a trailing space of 150px, which is as wide as the black block to the left.

The test passes if the arrow has a leading space of 200px, which is as wide as the black block to the right, and a trailing space of 100px, which is as wide as the black block to the left.