1 files changed, 57 insertions, 0 deletions
diff --git a/devtools/client/inspector/shared/test/browser_styleinspector_transform-highlighter-02.js b/devtools/client/inspector/shared/test/browser_styleinspector_transform-highlighter-02.js
new file mode 100644
index 000000000..a44a31422
--- /dev/null
+++ b/devtools/client/inspector/shared/test/browser_styleinspector_transform-highlighter-02.js
@@ -0,0 +1,57 @@
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test that the css transform highlighter is created when hovering over a
+// transform property
+
+const TEST_URI = `
+  <style type="text/css">
+    body {
+      transform: skew(16deg);
+      color: yellow;
+    }
+  </style>
+  Test the css transform highlighter
+`;
+
+var TYPE = "CssTransformHighlighter";
+
+add_task(function* () {
+  yield addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+  let {inspector, view} = yield openRuleView();
+  let hs = view.highlighters;
+
+  ok(!hs.highlighters[TYPE], "No highlighter exists in the rule-view (1)");
+
+  info("Faking a mousemove on a non-transform property");
+  let {valueSpan} = getRuleViewProperty(view, "body", "color");
+  hs._onMouseMove({target: valueSpan});
+  ok(!hs.highlighters[TYPE], "No highlighter exists in the rule-view (2)");
+
+  info("Faking a mousemove on a transform property");
+  ({valueSpan} = getRuleViewProperty(view, "body", "transform"));
+  let onHighlighterShown = hs.once("highlighter-shown");
+  hs._onMouseMove({target: valueSpan});
+  yield onHighlighterShown;
+
+  let onComputedViewReady = inspector.once("computed-view-refreshed");
+  let cView = selectComputedView(inspector);
+  yield onComputedViewReady;
+  hs = cView.highlighters;
+
+  ok(!hs.highlighters[TYPE], "No highlighter exists in the computed-view (1)");
+
+  info("Faking a mousemove on a non-transform property");
+  ({valueSpan} = getComputedViewProperty(cView, "color"));
+  hs._onMouseMove({target: valueSpan});
+  ok(!hs.highlighters[TYPE], "No highlighter exists in the computed-view (2)");
+
+  info("Faking a mousemove on a transform property");
+  ({valueSpan} = getComputedViewProperty(cView, "transform"));
+  onHighlighterShown = hs.once("highlighter-shown");
+  hs._onMouseMove({target: valueSpan});
+  yield onHighlighterShown;
+});