1 files changed, 35 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg-pretty-print-paused.js b/devtools/client/debugger/test/mochitest/browser_dbg-pretty-print-paused.js
new file mode 100644
index 0000000000..a5b9260af2
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg-pretty-print-paused.js
@@ -0,0 +1,35 @@
+/* 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/>. */
+
+// Tests pretty-printing a source that is currently paused.
+
+"use strict";
+
+add_task(async function () {
+  const dbg = await initDebugger("doc-minified.html", "math.min.js");
+  const thread = dbg.selectors.getCurrentThread();
+
+  await selectSource(dbg, "math.min.js");
+  await addBreakpoint(dbg, "math.min.js", 2);
+
+  invokeInTab("arithmetic");
+  await waitForPaused(dbg, "math.min.js");
+  assertPausedAtSourceAndLine(dbg, findSource(dbg, "math.min.js").id, 2);
+
+  clickElement(dbg, "prettyPrintButton");
+  await waitForSelectedSource(dbg, "math.min.js:formatted");
+  await waitForState(
+    dbg,
+    state => dbg.selectors.getSelectedFrame(thread).location.line == 18
+  );
+  assertPausedAtSourceAndLine(
+    dbg,
+    findSource(dbg, "math.min.js:formatted").id,
+    18
+  );
+  await waitForBreakpoint(dbg, "math.min.js:formatted", 18);
+  await assertBreakpoint(dbg, 18);
+
+  await resume(dbg);
+});