Fire 'select' event in SetSelectionRange

components/script/dom/htmlinputelement.rs

@@ -545,6 +545,12 @@ impl HTMLInputElementMethods for HTMLInputElement {
         let direction = direction.map_or(SelectionDirection::None, |d| SelectionDirection::from(d));
         self.textinput.borrow_mut().selection_direction = direction;
         self.textinput.borrow_mut().set_selection_range(start, end);
+        let window = window_from_node(self);
+        let _ = window.user_interaction_task_source().queue_event(
+            &self.upcast(),
+            atom!("select"),
+            EventBubbles::Bubbles,
+            EventCancelable::NotCancelable);
         self.upcast::<Node>().dirty(NodeDamage::OtherNodeDamage);
     }
 }
@@ -916,8 +922,7 @@ impl VirtualMethods for HTMLInputElement {
 
                             if event.IsTrusted() {
                                 let window = window_from_node(self);
-                                let task_source = window.user_interaction_task_source();
-                                let _ = task_source.queue_event(
+                                let _ = window.user_interaction_task_source().queue_event(
                                     &self.upcast(),
                                     atom!("input"),
                                     EventBubbles::Bubbles,

components/script/dom/htmltextareaelement.rs

@@ -256,6 +256,12 @@ impl HTMLTextAreaElementMethods for HTMLTextAreaElement {
         let direction = direction.map_or(SelectionDirection::None, |d| SelectionDirection::from(d));
         self.textinput.borrow_mut().selection_direction = direction;
         self.textinput.borrow_mut().set_selection_range(start, end);
+        let window = window_from_node(self);
+        let _ = window.user_interaction_task_source().queue_event(
+            &self.upcast(),
+            atom!("select"),
+            EventBubbles::Bubbles,
+            EventCancelable::NotCancelable);
         self.upcast::<Node>().dirty(NodeDamage::OtherNodeDamage);
     }
 }
@@ -374,8 +380,7 @@ impl VirtualMethods for HTMLTextAreaElement {
 
                         if event.IsTrusted() {
                             let window = window_from_node(self);
-                            let task_source = window.user_interaction_task_source();
-                            let _ = task_source.queue_event(
+                            let _ = window.user_interaction_task_source().queue_event(
                                 &self.upcast(),
                                 atom!("input"),
                                 EventBubbles::Bubbles,

tests/wpt/web-platform-tests/html/semantics/forms/textfieldselection/textfieldselection-setSelectionRange.html

@@ -116,6 +116,19 @@
   },'input setSelectionRange(undefined,1)');
 },"test of input.setSelectionRange");
 
+async_test(function() {
+  var q = false;
+  var input = document.getElementById("a");
+  input.addEventListener("select", this.step_func_done(function(e) {
+    assert_true(q, "event should be queued");
+    assert_true(e.isTrusted, "event is trusted");
+    assert_true(e.bubbles, "event bubbles");
+    assert_false(e.cancelable, "event is not cancelable");
+  }));
+  input.setSelectionRange(0, 1);
+  q = true;
+}, "input setSelectionRange fires a select event");
+
 test(function() {
   var textarea = document.getElementById("b");
   test(function() {
@@ -221,4 +234,17 @@
     assert_equals(textarea.selectionEnd, 1, "element.selectionStart should be 1");
   },'textarea setSelectionRange(undefined,1)');
 },"test of textarea.setSelectionRange");
+
+async_test(function() {
+  var q = false;
+  var textarea = document.getElementById("b");
+  textarea.addEventListener("select", this.step_func_done(function(e) {
+    assert_true(q, "event should be queued");
+    assert_true(e.isTrusted, "event is trusted");
+    assert_true(e.bubbles, "event bubbles");
+    assert_false(e.cancelable, "event is not cancelable");
+  }));
+  textarea.setSelectionRange(0, 1);
+  q = true;
+}, "textarea setSelectionRange fires a select event");
 </script>