1 files changed, 74 insertions, 0 deletions
diff --git a/devtools/client/shared/test/browser_html_tooltip_zoom.js b/devtools/client/shared/test/browser_html_tooltip_zoom.js
new file mode 100644
index 0000000000..f30aa586d3
--- /dev/null
+++ b/devtools/client/shared/test/browser_html_tooltip_zoom.js
@@ -0,0 +1,74 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+/* import-globals-from helper_html_tooltip.js */
+
+"use strict";
+
+/**
+ * Test the HTMLTooltip is displayed correct position if content is zoomed in.
+ */
+
+const HTML_NS = "http://www.w3.org/1999/xhtml";
+const TEST_URI = CHROME_URL_ROOT + "doc_html_tooltip.xhtml";
+
+const {
+  HTMLTooltip,
+} = require("resource://devtools/client/shared/widgets/tooltip/HTMLTooltip.js");
+
+function getTooltipContent(doc) {
+  const div = doc.createElementNS(HTML_NS, "div");
+  div.style.height = "50px";
+  div.style.boxSizing = "border-box";
+  div.style.backgroundColor = "red";
+  div.textContent = "tooltip";
+  return div;
+}
+
+add_task(async function () {
+  const { host, doc } = await createHost("window", TEST_URI);
+
+  // Creating a window host is not correctly waiting when DevTools run in content frame
+  // See Bug 1571421.
+  await wait(1000);
+
+  const zoom = 1.5;
+  await pushPref("devtools.toolbox.zoomValue", zoom.toString(10));
+
+  // Change this xul zoom to the x1.5 since this test doesn't use the toolbox preferences.
+  host.frame.docShell.browsingContext.fullZoom = zoom;
+  const tooltip = new HTMLTooltip(doc, { useXulWrapper: true });
+
+  info("Set tooltip content");
+  tooltip.panel.appendChild(getTooltipContent(doc));
+  tooltip.setContentSize({ width: 100, height: 50 });
+
+  is(tooltip.isVisible(), false, "Tooltip is not visible");
+
+  info("Show the tooltip and check the expected events are fired.");
+  const onShown = tooltip.once("shown");
+  tooltip.show(doc.getElementById("box1"));
+  await onShown;
+
+  const menuRect = doc
+    .querySelector(".tooltip-xul-wrapper > .tooltip-container")
+    .getBoxQuads({ relativeTo: doc })[0]
+    .getBounds();
+  const anchorRect = doc
+    .getElementById("box1")
+    .getBoxQuads({ relativeTo: doc })[0]
+    .getBounds();
+  const xDelta = Math.abs(menuRect.left - anchorRect.left);
+  const yDelta = Math.abs(menuRect.top - anchorRect.bottom);
+
+  Assert.less(xDelta, 1, "xDelta: " + xDelta + ".");
+  Assert.less(yDelta, 1, "yDelta: " + yDelta + ".");
+
+  info("Hide the tooltip and check the expected events are fired.");
+
+  const onPopupHidden = tooltip.once("hidden");
+  tooltip.hide();
+  await onPopupHidden;
+
+  tooltip.destroy();
+  await host.destroy();
+});