1 files changed, 89 insertions, 0 deletions
diff --git a/devtools/client/styleeditor/test/browser_styleeditor_sourcemaps_inline.js b/devtools/client/styleeditor/test/browser_styleeditor_sourcemaps_inline.js
new file mode 100644
index 0000000000..933a128a74
--- /dev/null
+++ b/devtools/client/styleeditor/test/browser_styleeditor_sourcemaps_inline.js
@@ -0,0 +1,89 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// https rather than chrome to improve coverage
+const TESTCASE_URI = TEST_BASE_HTTPS + "sourcemaps-inline.html";
+const PREF = "devtools.source-map.client-service.enabled";
+
+const sassContent = `body {
+  background-color: black;
+  & > h1 {
+    color: white;
+  }
+}
+`;
+
+const cssContent =
+  `body {
+  background-color: black;
+}
+body > h1 {
+  color: white;
+}
+` +
+  "/*# sourceMappingURL=data:application/json;base64,ewoidmVyc2lvbiI6IDMsCiJtY" +
+  "XBwaW5ncyI6ICJBQUFBLElBQUs7RUFDSCxnQkFBZ0IsRUFBRSxLQUFLO0VBQ3ZCLFNBQU87SUFD" +
+  "TCxLQUFLLEVBQUUsS0FBSyIsCiJzb3VyY2VzIjogWyJ0ZXN0LnNjc3MiXSwKInNvdXJjZXNDb25" +
+  "0ZW50IjogWyJib2R5IHtcbiAgYmFja2dyb3VuZC1jb2xvcjogYmxhY2s7XG4gICYgPiBoMSB7XG" +
+  "4gICAgY29sb3I6IHdoaXRlO1xuICB9XG59XG4iXSwKIm5hbWVzIjogW10sCiJmaWxlIjogInRlc" +
+  "3QuY3NzIgp9Cg== */";
+
+add_task(async function () {
+  const { ui } = await openStyleEditorForURL(TESTCASE_URI);
+
+  is(
+    ui.editors.length,
+    1,
+    "correct number of editors with source maps enabled"
+  );
+
+  await testEditor(ui.editors[0], "test.scss", sassContent);
+
+  // Test disabling original sources
+  await togglePref(ui);
+
+  is(ui.editors.length, 1, "correct number of editors after pref toggled");
+
+  // Test CSS editors
+  await testEditor(ui.editors[0], "<inline style sheet #1>", cssContent);
+
+  Services.prefs.clearUserPref(PREF);
+});
+
+async function testEditor(editor, expectedName, expectedText) {
+  const name = getStylesheetNameFor(editor);
+  is(expectedName, name, name + " editor name is correct");
+
+  await openEditor(editor);
+  const text = editor.sourceEditor.getText();
+  is(text, expectedText, name + " editor contains expected text");
+}
+
+/* Helpers */
+
+function togglePref(UI) {
+  const editorsPromise = UI.once("stylesheets-refreshed");
+  const selectedPromise = UI.once("editor-selected");
+
+  Services.prefs.setBoolPref(PREF, false);
+
+  return Promise.all([editorsPromise, selectedPromise]);
+}
+
+function openEditor(editor) {
+  getLinkFor(editor).click();
+
+  return editor.getSourceEditor();
+}
+
+function getLinkFor(editor) {
+  return editor.summary.querySelector(".stylesheet-name");
+}
+
+function getStylesheetNameFor(editor) {
+  return editor.summary
+    .querySelector(".stylesheet-name > label")
+    .getAttribute("value");
+}