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-rw-r--r--js/src/jit-test/tests/debug/Frame-constructing-02.js31
1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Frame-constructing-02.js b/js/src/jit-test/tests/debug/Frame-constructing-02.js
new file mode 100644
index 0000000000..b1c0c846a7
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Frame-constructing-02.js
@@ -0,0 +1,31 @@
+// Debugger.Frame.prototype.constructing on an async function.
+
+load(libdir + "asserts.js");
+
+const g = newGlobal({ newCompartment: true });
+const dbg = Debugger(g);
+
+g.eval(`
+async function f() {
+ await Promise.resolve();
+}
+`);
+
+let frame;
+dbg.onEnterFrame = function(f) {
+ frame = f;
+ assertEq(frame.constructing, false);
+};
+
+(async () => {
+ const promise = g.f();
+
+ assertEq(frame.constructing, false);
+ frame = null;
+
+ await promise;
+
+ assertEq(!!frame, true);
+ // Throws because the frame has terminated.
+ assertThrowsInstanceOf(() => frame.constructing, Error);
+})();