1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Script-isModule-03.js b/js/src/jit-test/tests/debug/Script-isModule-03.js
new file mode 100644
index 0000000000..23c8fbb1a3
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Script-isModule-03.js
@@ -0,0 +1,18 @@
+// Debugger.Object.prototype.isModule
+
+const g = newGlobal({newCompartment: true});
+const dbg = Debugger(g);
+let count = 0;
+dbg.onNewScript = function (script) {
+    count += 1;
+    assertEq(script.isModule, true);
+
+    dbg.onNewScript = function (script) {
+        count += 1;
+        assertEq(script.isModule, false);
+    };
+};
+const m = g.parseModule("eval('')");
+moduleLink(m);
+moduleEvaluate(m);
+assertEq(count, 2);