Add m-esr52 at 52.6.0

1 files changed, 87 insertions, 0 deletions

diff --git a/devtools/client/inspector/markup/test/browser_markup_keybindings_scrolltonode.js b/devtools/client/inspector/markup/test/browser_markup_keybindings_scrolltonode.js
new file mode 100644
index 000000000..7b129fc42
--- /dev/null
+++ b/devtools/client/inspector/markup/test/browser_markup_keybindings_scrolltonode.js
@@ -0,0 +1,87 @@
+/* vim: set ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test the keyboard shortcut "S" used to scroll to the selected node.
+
+const HTML =
+  `<div style="width: 300px; height: 3000px; position:relative;">
+    <div id="scroll-top"
+      style="height: 50px; top: 0; position:absolute;">
+      TOP</div>
+    <div id="scroll-bottom"
+      style="height: 50px; bottom: 0; position:absolute;">
+      BOTTOM</div>
+  </div>`;
+const TEST_URL = "data:text/html;charset=utf-8," + encodeURIComponent(HTML);
+
+add_task(function* () {
+  let { inspector, testActor } = yield openInspectorForURL(TEST_URL);
+
+  info("Make sure the markup frame has the focus");
+  inspector.markup._frame.focus();
+
+  info("Before test starts, #scroll-top is visible, #scroll-bottom is hidden");
+  yield checkElementIsInViewport("#scroll-top", true, testActor);
+  yield checkElementIsInViewport("#scroll-bottom", false, testActor);
+
+  info("Select the #scroll-bottom node");
+  yield selectNode("#scroll-bottom", inspector);
+  info("Press S to scroll to the bottom node");
+  let waitForScroll = testActor.waitForEventOnNode("scroll");
+  yield EventUtils.synthesizeKey("S", {}, inspector.panelWin);
+  yield waitForScroll;
+  ok(true, "Scroll event received");
+
+  info("#scroll-top should be scrolled out, #scroll-bottom should be visible");
+  yield checkElementIsInViewport("#scroll-top", false, testActor);
+  yield checkElementIsInViewport("#scroll-bottom", true, testActor);
+
+  info("Select the #scroll-top node");
+  yield selectNode("#scroll-top", inspector);
+  info("Press S to scroll to the top node");
+  waitForScroll = testActor.waitForEventOnNode("scroll");
+  yield EventUtils.synthesizeKey("S", {}, inspector.panelWin);
+  yield waitForScroll;
+  ok(true, "Scroll event received");
+
+  info("#scroll-top should be visible, #scroll-bottom should be scrolled out");
+  yield checkElementIsInViewport("#scroll-top", true, testActor);
+  yield checkElementIsInViewport("#scroll-bottom", false, testActor);
+
+  info("Select #scroll-bottom node");
+  yield selectNode("#scroll-bottom", inspector);
+  info("Press shift + S, nothing should happen due to the modifier");
+  yield EventUtils.synthesizeKey("S", {shiftKey: true}, inspector.panelWin);
+
+  info("Same state, #scroll-top is visible, #scroll-bottom is scrolled out");
+  yield checkElementIsInViewport("#scroll-top", true, testActor);
+  yield checkElementIsInViewport("#scroll-bottom", false, testActor);
+});
+
+/**
+ * Verify that the element matching the provided selector is either in or out
+ * of the viewport, depending on the provided "expected" argument.
+ * Returns a promise that will resolve when the test has been performed.
+ *
+ * @param {String} selector
+ *        css selector for the element to test
+ * @param {Boolean} expected
+ *        true if the element is expected to be in the viewport, false otherwise
+ * @param {TestActor} testActor
+ *        current test actor
+ * @return {Promise} promise
+ */
+function* checkElementIsInViewport(selector, expected, testActor) {
+  let isInViewport = yield testActor.eval(`
+    let node = content.document.querySelector("${selector}");
+    let rect = node.getBoundingClientRect();
+    rect.bottom >= 0 && rect.right >= 0 &&
+      rect.top <= content.innerHeight && rect.left <= content.innerWidth;
+  `);
+
+  is(isInViewport, expected,
+    selector + " in the viewport: expected to be " + expected);
+}