1 files changed, 77 insertions, 0 deletions
diff --git a/devtools/client/shared/test/browser_html_tooltip_variable-height.js b/devtools/client/shared/test/browser_html_tooltip_variable-height.js
new file mode 100644
index 0000000000..69f6d17aed
--- /dev/null
+++ b/devtools/client/shared/test/browser_html_tooltip_variable-height.js
@@ -0,0 +1,77 @@
+/* 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 content can have a variable height.
+ */
+
+const HTML_NS = "http://www.w3.org/1999/xhtml";
+const TEST_URI = CHROME_URL_ROOT + "doc_html_tooltip.xhtml";
+
+const CONTAINER_HEIGHT = 300;
+const CONTAINER_WIDTH = 200;
+const TOOLTIP_HEIGHT = 50;
+
+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 400px tall => 50px for each box.
+  await pushPref("devtools.toolbox.footer.height", 400);
+
+  await addTab("about:blank");
+  const { doc } = await createHost("bottom", TEST_URI);
+
+  const tooltip = new HTMLTooltip(doc, { useXulWrapper: false });
+  info("Set tooltip content 50px tall, but request a container 200px tall");
+  const tooltipContent = doc.createElementNS(HTML_NS, "div");
+  tooltipContent.style.cssText =
+    "height: " + TOOLTIP_HEIGHT + "px; background: red;";
+  tooltip.panel.appendChild(tooltipContent);
+  tooltip.setContentSize({ width: CONTAINER_WIDTH, height: Infinity });
+
+  info("Show the tooltip and check the container and panel height.");
+  await showTooltip(tooltip, doc.getElementById("box1"));
+
+  const containerRect = tooltip.container.getBoundingClientRect();
+  const panelRect = tooltip.panel.getBoundingClientRect();
+  is(
+    containerRect.height,
+    CONTAINER_HEIGHT,
+    "Tooltip container has the expected height."
+  );
+  is(
+    panelRect.height,
+    TOOLTIP_HEIGHT,
+    "Tooltip panel has the expected height."
+  );
+
+  info("Click below the tooltip panel but in the tooltip filler element.");
+  let onHidden = once(tooltip, "hidden");
+  EventUtils.synthesizeMouse(tooltip.container, 100, 100, {}, doc.defaultView);
+  await onHidden;
+
+  info("Show the tooltip one more time, and increase the content height");
+  await showTooltip(tooltip, doc.getElementById("box1"));
+  tooltipContent.style.height = 2 * CONTAINER_HEIGHT + "px";
+
+  info(
+    "Click at the same coordinates as earlier, this time it should hit the tooltip."
+  );
+  const onPanelClick = once(tooltip.panel, "click");
+  EventUtils.synthesizeMouse(tooltip.container, 100, 100, {}, doc.defaultView);
+  await onPanelClick;
+  is(tooltip.isVisible(), true, "Tooltip is still visible");
+
+  info("Click above the tooltip container, the tooltip should be closed.");
+  onHidden = once(tooltip, "hidden");
+  EventUtils.synthesizeMouse(tooltip.container, 100, -10, {}, doc.defaultView);
+  await onHidden;
+
+  tooltip.destroy();
+});