1 files changed, 97 insertions, 0 deletions
diff --git a/devtools/client/shared/test/browser_html_tooltip_offset.js b/devtools/client/shared/test/browser_html_tooltip_offset.js
new file mode 100644
index 0000000000..d7d7e1200e
--- /dev/null
+++ b/devtools/client/shared/test/browser_html_tooltip_offset.js
@@ -0,0 +1,97 @@
+/* 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 can be displayed with vertical and horizontal offsets.
+ */
+
+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");
+loadHelperScript("helper_html_tooltip.js");
+
+add_task(async function () {
+  // Force the toolbox to be 200px high;
+  await pushPref("devtools.toolbox.footer.height", 200);
+
+  const { doc } = await createHost("bottom", TEST_URI);
+
+  info("Test a tooltip is not closed when clicking inside itself");
+
+  const box1 = doc.getElementById("box1");
+  const box2 = doc.getElementById("box2");
+  const box3 = doc.getElementById("box3");
+  const box4 = doc.getElementById("box4");
+
+  const tooltip = new HTMLTooltip(doc, { useXulWrapper: false });
+
+  const div = doc.createElementNS(HTML_NS, "div");
+  div.style.height = "100px";
+  div.style.boxSizing = "border-box";
+  div.textContent = "tooltip";
+  tooltip.panel.appendChild(div);
+  tooltip.setContentSize({ width: 50, height: 100 });
+
+  info("Display the tooltip on box1.");
+  await showTooltip(tooltip, box1, { x: 5, y: 10 });
+
+  let panelRect = tooltip.container.getBoundingClientRect();
+  let anchorRect = box1.getBoundingClientRect();
+
+  // Tooltip will be displayed below box1
+  is(panelRect.top, anchorRect.bottom + 10, "Tooltip top has 10px offset");
+  is(panelRect.left, anchorRect.left + 5, "Tooltip left has 5px offset");
+  is(panelRect.height, 100, "Tooltip height is at 100px as expected");
+
+  info("Display the tooltip on box2.");
+  await showTooltip(tooltip, box2, { x: 5, y: 10 });
+
+  panelRect = tooltip.container.getBoundingClientRect();
+  anchorRect = box2.getBoundingClientRect();
+
+  // Tooltip will be displayed below box2, but can't be fully displayed because of the
+  // offset
+  is(panelRect.top, anchorRect.bottom + 10, "Tooltip top has 10px offset");
+  is(panelRect.left, anchorRect.left + 5, "Tooltip left has 5px offset");
+  is(panelRect.height, 90, "Tooltip height is only 90px");
+
+  info("Display the tooltip on box3.");
+  await showTooltip(tooltip, box3, { x: 5, y: 10 });
+
+  panelRect = tooltip.container.getBoundingClientRect();
+  anchorRect = box3.getBoundingClientRect();
+
+  // Tooltip will be displayed above box3, but can't be fully displayed because of the
+  // offset
+  is(
+    panelRect.bottom,
+    anchorRect.top - 10,
+    "Tooltip bottom is 10px above anchor"
+  );
+  is(panelRect.left, anchorRect.left + 5, "Tooltip left has 5px offset");
+  is(panelRect.height, 90, "Tooltip height is only 90px");
+
+  info("Display the tooltip on box4.");
+  await showTooltip(tooltip, box4, { x: 5, y: 10 });
+
+  panelRect = tooltip.container.getBoundingClientRect();
+  anchorRect = box4.getBoundingClientRect();
+
+  // Tooltip will be displayed above box4
+  is(
+    panelRect.bottom,
+    anchorRect.top - 10,
+    "Tooltip bottom is 10px above anchor"
+  );
+  is(panelRect.left, anchorRect.left + 5, "Tooltip left has 5px offset");
+  is(panelRect.height, 100, "Tooltip height is at 100px as expected");
+
+  await hideTooltip(tooltip);
+
+  tooltip.destroy();
+});