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-rw-r--r--js/src/jit-test/tests/debug/Frame-script-05.js37
1 files changed, 37 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Frame-script-05.js b/js/src/jit-test/tests/debug/Frame-script-05.js
new file mode 100644
index 0000000000..7c1094f01d
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Frame-script-05.js
@@ -0,0 +1,37 @@
+// Frame.prototype.script for async function frames.
+
+load(libdir + "asserts.js");
+
+var g = newGlobal({ newCompartment: true });
+var dbg = new Debugger(g);
+g.eval(`
+async function f() {
+ await Promise.resolve()
+}
+`);
+
+let frame;
+let script;
+dbg.onEnterFrame = function(f) {
+ frame = f;
+ script = frame.script;
+};
+
+const promise = g.f();
+
+assertEq(frame instanceof Debugger.Frame, true);
+assertEq(script instanceof Debugger.Script, true);
+assertEq(frame.script, script);
+
+const lastFrame = frame;
+const lastScript = script;
+frame = null;
+script = null;
+
+promise.then(() => {
+ assertEq(frame, lastFrame);
+ assertEq(script, lastScript);
+
+ // The frame has finished evaluating, so the script is no longer accessible.
+ assertThrowsInstanceOf(() => frame.script, Error);
+});