1 files changed, 25 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg-sourcemaps-bogus.js b/devtools/client/debugger/test/mochitest/browser_dbg-sourcemaps-bogus.js
new file mode 100644
index 0000000000..7d2d7100a2
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg-sourcemaps-bogus.js
@@ -0,0 +1,25 @@
+/* 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/>. */
+
+// Test that an error while loading a sourcemap does not break
+// debugging.
+requestLongerTimeout(2);
+
+add_task(async function() {
+  // NOTE: the CORS call makes the test run times inconsistent
+  const dbg = await initDebugger("doc-sourcemap-bogus.html", "bogus-map.js");
+
+  await selectSource(dbg, "bogus-map.js");
+
+  // We should still be able to set breakpoints and pause in the
+  // generated source.
+  await addBreakpoint(dbg, "bogus-map.js", 4);
+  invokeInTab("runCode");
+  await waitForPaused(dbg);
+  assertPausedLocation(dbg);
+
+  // Make sure that only the single generated source exists. The
+  // sourcemap failed to download.
+  is(dbg.selectors.getSourceCount(), 1, "Only 1 source exists");
+});