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-rw-r--r--dom/base/test/test_intersectionobservers.html59
1 files changed, 39 insertions, 20 deletions
diff --git a/dom/base/test/test_intersectionobservers.html b/dom/base/test/test_intersectionobservers.html
index e7875e3af..10e3d7712 100644
--- a/dom/base/test/test_intersectionobservers.html
+++ b/dom/base/test/test_intersectionobservers.html
@@ -325,7 +325,7 @@ limitations under the License.
});
- it('does not trigger if target does not intersect when observing begins',
+ it('does trigger if target does not intersect when observing begins',
function(done) {
var spy = sinon.spy();
@@ -334,7 +334,7 @@ limitations under the License.
targetEl2.style.top = '-40px';
io.observe(targetEl2);
callDelayed(function() {
- expect(spy.callCount).to.be(0);
+ expect(spy.callCount).to.be(1);
done();
}, ASYNC_TIMEOUT);
});
@@ -528,7 +528,7 @@ limitations under the License.
spy.waitForNotification(function() {
expect(spy.callCount).to.be(1);
var records = sortRecords(spy.lastCall.args[0]);
- expect(records.length).to.be(2);
+ expect(records.length).to.be(3);
expect(records[0].target).to.be(targetEl1);
expect(records[0].intersectionRatio).to.be(0.25);
expect(records[1].target).to.be(targetEl2);
@@ -636,10 +636,10 @@ limitations under the License.
expect(records.length).to.be(3);
expect(records[0].target).to.be(targetEl1);
expect(records[0].intersectionRatio).to.be(0.5);
- expect(records[1].target).to.be(targetEl3);
- expect(records[1].intersectionRatio).to.be(0.5);
- expect(records[2].target).to.be(targetEl4);
+ expect(records[2].target).to.be(targetEl3);
expect(records[2].intersectionRatio).to.be(0.5);
+ expect(records[3].target).to.be(targetEl4);
+ expect(records[3].intersectionRatio).to.be(0.5);
io.disconnect();
done();
}, {root: rootEl, rootMargin: '-10px 10%'});
@@ -652,11 +652,11 @@ limitations under the License.
function(done) {
io = new IntersectionObserver(function(records) {
records = sortRecords(records);
- expect(records.length).to.be(2);
+ expect(records.length).to.be(4);
expect(records[0].target).to.be(targetEl1);
expect(records[0].intersectionRatio).to.be(0.5);
- expect(records[1].target).to.be(targetEl4);
- expect(records[1].intersectionRatio).to.be(0.5);
+ expect(records[3].target).to.be(targetEl4);
+ expect(records[3].intersectionRatio).to.be(0.5);
io.disconnect();
done();
}, {root: rootEl, rootMargin: '-5% -2.5% 0px'});
@@ -669,13 +669,13 @@ limitations under the License.
function(done) {
io = new IntersectionObserver(function(records) {
records = sortRecords(records);
- expect(records.length).to.be(3);
+ expect(records.length).to.be(4);
expect(records[0].target).to.be(targetEl1);
expect(records[0].intersectionRatio).to.be(0.5);
expect(records[1].target).to.be(targetEl2);
expect(records[1].intersectionRatio).to.be(0.5);
- expect(records[2].target).to.be(targetEl4);
- expect(records[2].intersectionRatio).to.be(0.25);
+ expect(records[3].target).to.be(targetEl4);
+ expect(records[3].intersectionRatio).to.be(0.25);
io.disconnect();
done();
}, {root: rootEl, rootMargin: '5% -2.5% -10px -190px'});
@@ -705,9 +705,9 @@ limitations under the License.
spy.waitForNotification(function() {
expect(spy.callCount).to.be(1);
var records = sortRecords(spy.lastCall.args[0]);
- expect(records.length).to.be(1);
- expect(records[0].intersectionRatio).to.be(0);
- expect(records[0].target).to.be(targetEl2);
+ expect(records.length).to.be(2);
+ expect(records[1].intersectionRatio).to.be(0);
+ expect(records[1].target).to.be(targetEl2);
done();
}, ASYNC_TIMEOUT);
},
@@ -797,14 +797,14 @@ limitations under the License.
function(done) {
document.getElementById('fixtures').appendChild(rootEl);
callDelayed(function() {
- expect(spy.callCount).to.be(0);
+ expect(spy.callCount).to.be(1);
done();
}, ASYNC_TIMEOUT);
},
function(done) {
parentEl.insertBefore(targetEl1, targetEl2);
spy.waitForNotification(function() {
- expect(spy.callCount).to.be(1);
+ expect(spy.callCount).to.be(2);
var records = sortRecords(spy.lastCall.args[0]);
expect(records.length).to.be(1);
expect(records[0].intersectionRatio).to.be(1);
@@ -815,7 +815,7 @@ limitations under the License.
function(done) {
grandParentEl.parentNode.removeChild(grandParentEl);
spy.waitForNotification(function() {
- expect(spy.callCount).to.be(2);
+ expect(spy.callCount).to.be(3);
var records = sortRecords(spy.lastCall.args[0]);
expect(records.length).to.be(1);
expect(records[0].intersectionRatio).to.be(0);
@@ -826,7 +826,7 @@ limitations under the License.
function(done) {
rootEl.appendChild(targetEl1);
spy.waitForNotification(function() {
- expect(spy.callCount).to.be(3);
+ expect(spy.callCount).to.be(4);
var records = sortRecords(spy.lastCall.args[0]);
expect(records.length).to.be(1);
expect(records[0].intersectionRatio).to.be(1);
@@ -837,7 +837,7 @@ limitations under the License.
function(done) {
rootEl.parentNode.removeChild(rootEl);
spy.waitForNotification(function() {
- expect(spy.callCount).to.be(4);
+ expect(spy.callCount).to.be(5);
var records = sortRecords(spy.lastCall.args[0]);
expect(records.length).to.be(1);
expect(records[0].intersectionRatio).to.be(0);
@@ -867,8 +867,14 @@ limitations under the License.
targetEl1.style.top = '220px';
targetEl1.style.left = '220px';
+
+ var callCount = 0;
io = new IntersectionObserver(function(records) {
+ callCount++;
+ if (callCount <= 1) {
+ return;
+ }
expect(records.length).to.be(1);
expect(records[0].intersectionRatio).to.be(1);
done();
@@ -891,6 +897,19 @@ limitations under the License.
var win = window.open("intersectionobserver_window.html");
});
+ it('triggers only once if observed multiple times (and does not crash when collected)', function(done) {
+ var spy = sinon.spy();
+ io = new IntersectionObserver(spy, {root: rootEl});
+ io.observe(targetEl1);
+ io.observe(targetEl1);
+ io.observe(targetEl1);
+
+ callDelayed(function () {
+ expect(spy.callCount).to.be(1);
+ done();
+ }, ASYNC_TIMEOUT);
+ });
+
});
describe('observe subframe', function () {