flutter_flutter/tests/layout/document-elementFromPoint.sky
Ojan Vafai e0c039e035 Get rid of HitTestChildBlockBackground walk.
I'm not 100% what this was for, but looking at Blink,
it appears that HitTestChildBlockBackground being different
from HitTestBlockBackground had something to do with
multi-column/regions, which we don't have. I believe
this patch doesn't change any behavior.

Also added to the elementFromPoint test in order to
get more test coverage of the hitTesting code.

R=abarth@chromium.org

Review URL: https://codereview.chromium.org/924263002
2015-02-13 21:05:58 -08:00

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<sky>
<style>
foo, parent { width: 100px; height: 100px; background: blue; }
bar { width: 100px; height: 100px; background: purple; }
parent { display: paragraph; }
child { background: salmon; }
</style>
<foo /><bar />
<parent>
<child>Foo bar</child>
</parent>
<script>
import "../resources/third_party/unittest/unittest.dart";
import "../resources/unit.dart";
import "dart:sky";
void main() {
initUnit();
test("should hit test", () {
// FIXME: We should have much better hit-testing coverage, at least:
// inline content (both sections of a wrapped run)
// text node
// flex box
// display: paragraph
// position: absolute
// position: relative
// z-order (missing, zero, positive and negative)
expect(document.elementFromPoint(50, 50).tagName, equals('foo'));
expect(document.elementFromPoint(50, 150).tagName, equals('bar'));
expect(document.elementFromPoint(150, 50).tagName, equals('sky'));
});
void hitTestWithChildren() {
expect(document.elementFromPoint(50, 210).tagName, equals('child'));
// Right of the <child> inline.
expect(document.elementFromPoint(95, 210).tagName, equals('parent'));
// Below the <child> inline.
expect(document.elementFromPoint(50, 275).tagName, equals('parent'));
}
test("should hit test child and parent", () {
hitTestWithChildren();
});
test("should hit test child with layered parent", () {
document.querySelector('parent').style.setProperty("transform", "translate3d(0, 0, 0)");
hitTestWithChildren();
});
}
</script>
</sky>