1 files changed, 101 insertions, 0 deletions
diff --git a/devtools/client/shared/test/browser_html_tooltip-05.js b/devtools/client/shared/test/browser_html_tooltip-05.js
new file mode 100644
index 0000000000..7217039cb4
--- /dev/null
+++ b/devtools/client/shared/test/browser_html_tooltip-05.js
@@ -0,0 +1,101 @@
+/* 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 positioning for a huge tooltip element (can not fit in
+ * the viewport).
+ */
+
+const HTML_NS = "http://www.w3.org/1999/xhtml";
+const TEST_URI = CHROME_URL_ROOT + "doc_html_tooltip-05.xhtml";
+
+const {
+  HTMLTooltip,
+} = require("resource://devtools/client/shared/widgets/tooltip/HTMLTooltip.js");
+loadHelperScript("helper_html_tooltip.js");
+
+const TOOLTIP_HEIGHT = 200;
+const TOOLTIP_WIDTH = 200;
+
+add_task(async function () {
+  // Force the toolbox to be 200px high;
+  await pushPref("devtools.toolbox.footer.height", 200);
+  await addTab("about:blank");
+  const { doc } = await createHost("bottom", TEST_URI);
+
+  info("Create HTML tooltip");
+  const tooltip = new HTMLTooltip(doc, { useXulWrapper: false });
+  const div = doc.createElementNS(HTML_NS, "div");
+  div.style.height = "100%";
+  tooltip.panel.appendChild(div);
+  tooltip.setContentSize({ width: TOOLTIP_WIDTH, height: TOOLTIP_HEIGHT });
+
+  const box1 = doc.getElementById("box1");
+  const box2 = doc.getElementById("box2");
+  const box3 = doc.getElementById("box3");
+  const box4 = doc.getElementById("box4");
+  const width = TOOLTIP_WIDTH;
+
+  // box1: Can not fit above or below box1, default to bottom with a reduced
+  // height of 150px.
+  info("Display the tooltip on box1.");
+  await showTooltip(tooltip, box1);
+  let expectedTooltipGeometry = { position: "bottom", height: 150, width };
+  checkTooltipGeometry(tooltip, box1, expectedTooltipGeometry);
+  await hideTooltip(tooltip);
+
+  info("Try to display the tooltip on top of box1.");
+  await showTooltip(tooltip, box1, { position: "top" });
+  expectedTooltipGeometry = { position: "bottom", height: 150, width };
+  checkTooltipGeometry(tooltip, box1, expectedTooltipGeometry);
+  await hideTooltip(tooltip);
+
+  // box2: Can not fit above or below box2, default to bottom with a reduced
+  // height of 100px.
+  info("Try to display the tooltip on box2.");
+  await showTooltip(tooltip, box2);
+  expectedTooltipGeometry = { position: "bottom", height: 100, width };
+  checkTooltipGeometry(tooltip, box2, expectedTooltipGeometry);
+  await hideTooltip(tooltip);
+
+  info("Try to display the tooltip on top of box2.");
+  await showTooltip(tooltip, box2, { position: "top" });
+  expectedTooltipGeometry = { position: "bottom", height: 100, width };
+  checkTooltipGeometry(tooltip, box2, expectedTooltipGeometry);
+  await hideTooltip(tooltip);
+
+  // box3: Can not fit above or below box3, default to top with a reduced height
+  // of 100px.
+  info("Try to display the tooltip on box3.");
+  await showTooltip(tooltip, box3);
+  expectedTooltipGeometry = { position: "top", height: 100, width };
+  checkTooltipGeometry(tooltip, box3, expectedTooltipGeometry);
+  await hideTooltip(tooltip);
+
+  info("Try to display the tooltip on bottom of box3.");
+  await showTooltip(tooltip, box3, { position: "bottom" });
+  expectedTooltipGeometry = { position: "top", height: 100, width };
+  checkTooltipGeometry(tooltip, box3, expectedTooltipGeometry);
+  await hideTooltip(tooltip);
+
+  // box4: Can not fit above or below box4, default to top with a reduced height
+  // of 150px.
+  info("Display the tooltip on box4.");
+  await showTooltip(tooltip, box4);
+  expectedTooltipGeometry = { position: "top", height: 150, width };
+  checkTooltipGeometry(tooltip, box4, expectedTooltipGeometry);
+  await hideTooltip(tooltip);
+
+  info("Try to display the tooltip on bottom of box4.");
+  await showTooltip(tooltip, box4, { position: "bottom" });
+  expectedTooltipGeometry = { position: "top", height: 150, width };
+  checkTooltipGeometry(tooltip, box4, expectedTooltipGeometry);
+  await hideTooltip(tooltip);
+
+  is(tooltip.isVisible(), false, "Tooltip is not visible");
+
+  tooltip.destroy();
+});