1 files changed, 45 insertions, 0 deletions
diff --git a/devtools/server/tests/xpcshell/test_breakpoint-19.js b/devtools/server/tests/xpcshell/test_breakpoint-19.js
new file mode 100644
index 0000000000..013acdfaf1
--- /dev/null
+++ b/devtools/server/tests/xpcshell/test_breakpoint-19.js
@@ -0,0 +1,45 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Make sure that setting a breakpoint in a not-yet-existing script doesn't throw
+ * an error (see bug 897567). Also make sure that this breakpoint works.
+ */
+
+const URL = "test.js";
+
+function setUpCode(debuggee) {
+  /* eslint-disable mozilla/var-only-at-top-level, no-unused-vars */
+  // prettier-ignore
+  Cu.evalInSandbox(
+    "" + function test() { // 1
+      var a = 1;           // 2
+      debugger;            // 3
+    } +                    // 4
+    "\ndebugger;",         // 5
+    debuggee,
+    "1.8",
+    URL
+  );
+  /* eslint-enable mozilla/var-only-at-top-level, no-unused-vars */
+}
+
+add_task(
+  threadFrontTest(async ({ threadFront, debuggee }) => {
+    setBreakpoint(threadFront, { sourceUrl: URL, line: 2 });
+
+    await executeOnNextTickAndWaitForPause(
+      () => setUpCode(debuggee),
+      threadFront
+    );
+    await resume(threadFront);
+
+    const packet = await executeOnNextTickAndWaitForPause(
+      debuggee.test,
+      threadFront
+    );
+    equal(packet.why.type, "breakpoint");
+  })
+);