1 files changed, 96 insertions, 0 deletions
diff --git a/devtools/client/inspector/test/browser_inspector_highlighter-geometry_01.js b/devtools/client/inspector/test/browser_inspector_highlighter-geometry_01.js
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+++ b/devtools/client/inspector/test/browser_inspector_highlighter-geometry_01.js
@@ -0,0 +1,96 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+// Test the creation of the geometry highlighter elements.
+
+const TEST_URL = `data:text/html;charset=utf-8,
+                  <span id='inline'></span>
+                  <div id='positioned' style='
+                    background:yellow;
+                    position:absolute;
+                    left:5rem;
+                    top:30px;
+                    right:300px;
+                    bottom:10em;'></div>
+                  <div id='sized' style='
+                    background:red;
+                    width:5em;
+                    height:50%;'></div>`;
+
+const HIGHLIGHTER_TYPE = "GeometryEditorHighlighter";
+
+const ID = "geometry-editor-";
+const SIDES = ["left", "right", "top", "bottom"];
+
+add_task(async function () {
+  const helper = await openInspectorForURL(TEST_URL).then(
+    getHighlighterHelperFor(HIGHLIGHTER_TYPE)
+  );
+
+  const { finalize } = helper;
+
+  helper.prefix = ID;
+
+  await hasArrowsAndLabelsAndHandlers(helper);
+  await isHiddenForNonPositionedNonSizedElement(helper);
+  await sideArrowsAreDisplayedForPositionedNode(helper);
+
+  finalize();
+});
+
+async function hasArrowsAndLabelsAndHandlers({ getElementAttribute }) {
+  info("Checking that the highlighter has the expected arrows and labels");
+
+  for (const name of [...SIDES]) {
+    let value = await getElementAttribute("arrow-" + name, "class");
+    is(value, ID + "arrow " + name, "The " + name + " arrow exists");
+
+    value = await getElementAttribute("label-text-" + name, "class");
+    is(value, ID + "label-text", "The " + name + " label exists");
+
+    value = await getElementAttribute("handler-" + name, "class");
+    is(value, ID + "handler-" + name, "The " + name + " handler exists");
+  }
+}
+
+async function isHiddenForNonPositionedNonSizedElement({
+  show,
+  hide,
+  isElementHidden,
+}) {
+  info("Asking to show the highlighter on an inline, non p  ositioned element");
+
+  await show("#inline");
+
+  for (const name of [...SIDES]) {
+    let hidden = await isElementHidden("arrow-" + name);
+    ok(hidden, "The " + name + " arrow is hidden");
+
+    hidden = await isElementHidden("handler-" + name);
+    ok(hidden, "The " + name + " handler is hidden");
+  }
+}
+
+async function sideArrowsAreDisplayedForPositionedNode({
+  show,
+  hide,
+  isElementHidden,
+}) {
+  info("Asking to show the highlighter on the positioned node");
+
+  await show("#positioned");
+
+  for (const name of SIDES) {
+    let hidden = await isElementHidden("arrow-" + name);
+    ok(!hidden, "The " + name + " arrow is visible for the positioned node");
+
+    hidden = await isElementHidden("handler-" + name);
+    ok(!hidden, "The " + name + " handler is visible for the positioned node");
+  }
+
+  info("Hiding the highlighter");
+  await hide();
+}