1 files changed, 62 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg-sourcemaps-reloading.js b/devtools/client/debugger/test/mochitest/browser_dbg-sourcemaps-reloading.js
new file mode 100644
index 0000000000..2931087d1d
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg-sourcemaps-reloading.js
@@ -0,0 +1,62 @@
+/* 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/>. */
+
+"use strict";
+
+requestLongerTimeout(2);
+
+add_task(async function () {
+  // NOTE: the CORS call makes the test run times inconsistent
+  const dbg = await initDebugger("doc-sourcemaps.html");
+  const {
+    selectors: { getBreakpoint, getBreakpointCount },
+  } = dbg;
+
+  await waitForSources(dbg, "entry.js", "output.js", "times2.js", "opts.js");
+  ok(true, "Original sources exist");
+  const entrySrc = findSource(dbg, "entry.js");
+
+  await selectSource(dbg, entrySrc);
+  ok(
+    getCM(dbg).getValue().includes("window.keepMeAlive"),
+    "Original source text loaded correctly"
+  );
+
+  await addBreakpoint(dbg, entrySrc, 5);
+  await addBreakpoint(dbg, entrySrc, 15, 0);
+  await disableBreakpoint(dbg, entrySrc, 15, 0);
+
+  // Test reloading the debugger
+  const onReloaded = reload(dbg, "opts.js");
+  await waitForDispatch(dbg.store, "LOAD_ORIGINAL_SOURCE_TEXT");
+
+  await waitForPaused(dbg);
+  await waitForDispatch(dbg.store, "ADD_INLINE_PREVIEW");
+  assertPausedAtSourceAndLine(dbg, findSource(dbg, "entry.js").id, 5);
+
+  await waitForBreakpointCount(dbg, 2);
+  is(getBreakpointCount(), 2, "Two breakpoints exist");
+
+  const bp = getBreakpoint(
+    createLocation({
+      source: entrySrc,
+      line: 15,
+      column: 0,
+    })
+  );
+  ok(bp, "Breakpoint is on the correct line");
+  ok(bp.disabled, "Breakpoint is disabled");
+  await assertBreakpoint(dbg, 15);
+
+  await resume(dbg);
+  info("Wait for reload to complete after resume");
+  await onReloaded;
+});
+
+async function waitForBreakpointCount(dbg, count) {
+  return waitForState(
+    dbg,
+    state => dbg.selectors.getBreakpointCount() === count
+  );
+}