From 78074eb34ffd54e9af8ed7458e0a9af0b13ee2b1 Mon Sep 17 00:00:00 2001
From: janekptacijarabaci <janekptacijarabaci@seznam.cz>
Date: Sat, 31 Mar 2018 11:12:17 +0200
Subject: moebius#72: Fix Marionette's DateTimeValue when dom.forms.datetime is
 enabled

---
 testing/marionette/interaction.js | 50 +++++++++++++++++++++++++++++++++++++++
 testing/marionette/listener.js    |  4 ++++
 2 files changed, 54 insertions(+)

(limited to 'testing')

diff --git a/testing/marionette/interaction.js b/testing/marionette/interaction.js
index c8275665d..2392485d7 100644
--- a/testing/marionette/interaction.js
+++ b/testing/marionette/interaction.js
@@ -76,6 +76,30 @@ const SELECTED_PROPERTY_SUPPORTED_XUL = new Set([
   "TAB",
 ]);
 
+/**
+ * Common form controls that user can change the value property interactively.
+ */
+const COMMON_FORM_CONTROLS = new Set([
+  "input",
+  "textarea",
+  "select",
+]);
+
+/**
+ * Input elements that do not fire "input" and "change" events when value
+ * property changes.
+ */
+const INPUT_TYPES_NO_EVENT = new Set([
+  "checkbox",
+  "radio",
+  "file",
+  "hidden",
+  "image",
+  "reset",
+  "button",
+  "submit",
+]);
+
 this.interaction = {};
 
 /**
@@ -338,6 +362,32 @@ interaction.uploadFile = function (el, path) {
   event.change(el);
 };
 
+/**
+ * Sets a form element's value.
+ *
+ * @param {DOMElement} el
+ *     An form element, e.g. input, textarea, etc.
+ * @param {string} value
+ *     The value to be set.
+ *
+ * @throws TypeError
+ *     If |el| is not an supported form element.
+ */
+interaction.setFormControlValue = function* (el, value) {
+  if (!COMMON_FORM_CONTROLS.has(el.localName)) {
+    throw new TypeError("This function is for form elements only");
+  }
+
+  el.value = value;
+
+  if (INPUT_TYPES_NO_EVENT.has(el.type)) {
+    return;
+  }
+
+  event.input(el);
+  event.change(el);
+};
+
 /**
  * Send keys to element.
  *
diff --git a/testing/marionette/listener.js b/testing/marionette/listener.js
index b64eb378d..619ac249d 100644
--- a/testing/marionette/listener.js
+++ b/testing/marionette/listener.js
@@ -30,6 +30,7 @@ Cu.import("chrome://marionette/content/session.js");
 Cu.import("chrome://marionette/content/simpletest.js");
 
 Cu.import("resource://gre/modules/FileUtils.jsm");
+Cu.import("resource://gre/modules/Preferences.jsm");
 Cu.import("resource://gre/modules/Task.jsm");
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 
@@ -1465,6 +1466,9 @@ function* sendKeysToElement(id, val) {
   if (el.type == "file") {
     let path = val.join("");
     yield interaction.uploadFile(el, path);
+  } else if ((el.type == "date" || el.type == "time") &&
+      Preferences.get("dom.forms.datetime")) {
+    yield interaction.setFormControlValue(el, val);
   } else {
     yield interaction.sendKeysToElement(
         el, val, false, capabilities.get("moz:accessibilityChecks"));
-- 
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