1 files changed, 125 insertions, 0 deletions
diff --git a/devtools/client/inspector/test/browser_inspector_highlighter-geometry_02.js b/devtools/client/inspector/test/browser_inspector_highlighter-geometry_02.js
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+++ b/devtools/client/inspector/test/browser_inspector_highlighter-geometry_02.js
@@ -0,0 +1,125 @@
+/* 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/. */
+
+/* Globals defined in: devtools/client/inspector/test/head.js */
+
+"use strict";
+
+// Test that the geometry highlighter labels are correct.
+
+const TEST_URL = `data:text/html;charset=utf-8,
+                  <div id='positioned' style='
+                    background:yellow;
+                    position:absolute;
+                    left:5rem;
+                    top:30px;
+                    right:300px;
+                    bottom:10em;'></div>
+                  <div id='positioned2' style='
+                    background:blue;
+                    position:absolute;
+                    right:10%;
+                    top:5vmin;'>test element</div>
+                 <div id='relative' style='
+                    background:green;
+                    position:relative;
+                    top:10px;
+                    left:20px;
+                    bottom:30px;
+                    right:40px;
+                    width:100px;
+                    height:100px;'></div>
+                 <div id='relative2' style='
+                    background:grey;
+                    position:relative;
+                    top:0;bottom:-50px;
+                    height:3em;'>relative</div>`;
+
+const ID = "geometry-editor-";
+const HIGHLIGHTER_TYPE = "GeometryEditorHighlighter";
+
+const POSITIONED_ELEMENT_TESTS = [
+  {
+    selector: "#positioned",
+    expectedLabels: [
+      { side: "left", visible: true, label: "5rem" },
+      { side: "top", visible: true, label: "30px" },
+      { side: "right", visible: true, label: "300px" },
+      { side: "bottom", visible: true, label: "10em" },
+    ],
+  },
+  {
+    selector: "#positioned2",
+    expectedLabels: [
+      { side: "left", visible: false },
+      { side: "top", visible: true, label: "5vmin" },
+      { side: "right", visible: true, label: "10%" },
+      { side: "bottom", visible: false },
+    ],
+  },
+  {
+    selector: "#relative",
+    expectedLabels: [
+      { side: "left", visible: true, label: "20px" },
+      { side: "top", visible: true, label: "10px" },
+      { side: "right", visible: false },
+      { side: "bottom", visible: false },
+    ],
+  },
+  {
+    selector: "#relative2",
+    expectedLabels: [
+      { side: "left", visible: false },
+      { side: "top", visible: true, label: "0px" },
+      { side: "right", visible: false },
+      { side: "bottom", visible: false },
+    ],
+  },
+];
+
+add_task(async function () {
+  const helper = await openInspectorForURL(TEST_URL).then(
+    getHighlighterHelperFor(HIGHLIGHTER_TYPE)
+  );
+
+  helper.prefix = ID;
+
+  const { finalize } = helper;
+
+  await positionLabelsAreCorrect(helper);
+
+  await finalize();
+});
+
+async function positionLabelsAreCorrect({
+  show,
+  hide,
+  isElementHidden,
+  getElementTextContent,
+}) {
+  info("Highlight nodes and check position labels");
+
+  for (const { selector, expectedLabels } of POSITIONED_ELEMENT_TESTS) {
+    info("Testing node " + selector);
+
+    await show(selector);
+
+    for (const { side, visible, label } of expectedLabels) {
+      const id = "label-" + side;
+
+      const hidden = await isElementHidden(id);
+      if (visible) {
+        ok(!hidden, "The " + side + " label is visible");
+
+        const value = await getElementTextContent(id);
+        is(value, label, "The " + side + " label textcontent is correct");
+      } else {
+        ok(hidden, "The " + side + " label is hidden");
+      }
+    }
+
+    info("Hiding the highlighter");
+    await hide();
+  }
+}