1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/onDebuggerStatement-generator-resumption-01.js b/js/src/jit-test/tests/debug/onDebuggerStatement-generator-resumption-01.js
new file mode 100644
index 0000000000..c4e1ade96e
--- /dev/null
+++ b/js/src/jit-test/tests/debug/onDebuggerStatement-generator-resumption-01.js
@@ -0,0 +1,32 @@
+// A Debugger can {return:} from onDebuggerStatement in a generator.
+
+load(libdir + "asserts.js");
+
+let g = newGlobal({newCompartment: true});
+g.eval(`
+    function* f1() {
+        debugger;
+        yield 1;
+    }
+
+    function* f2() {
+        yield 1;
+        debugger;
+        yield 2;
+    }
+`);
+
+let dbg = Debugger(g);
+dbg.onDebuggerStatement = frame => ({return: "Ronja"});
+
+let genObj = g.f1();
+assertDeepEq(genObj.next(), {value: "Ronja", done: true});
+// Forced return closes the generator. Closed generators behave like this:
+assertDeepEq(genObj.next(), {value: undefined, done: true});
+
+// It works the same after resuming from a yield.
+genObj = g.f2();
+assertDeepEq(genObj.next(), {value: 1, done: false});
+assertDeepEq(genObj.next(), {value: "Ronja", done: true});
+assertDeepEq(genObj.next(), {value: undefined, done: true});  // closed
+