1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/onEnterFrame-async-tryskipawait-01.js b/js/src/jit-test/tests/debug/onEnterFrame-async-tryskipawait-01.js
new file mode 100644
index 0000000000..84bc5b63f7
--- /dev/null
+++ b/js/src/jit-test/tests/debug/onEnterFrame-async-tryskipawait-01.js
@@ -0,0 +1,41 @@
+// CanSkipAwait with resolved Promises when attaching onEnterFrame
+// after the initial call into the async function.
+
+load(libdir + "array-compare.js");
+
+let g = newGlobal({ newCompartment: true });
+let dbg = new Debugger(g);
+
+let log = [];
+g.log = log;
+
+g.eval(`
+    async function f() {
+        log.push("START");
+        await Promise.resolve(0);
+        log.push("MIDDLE");
+        await Promise.resolve(0);
+        log.push("END");
+    }
+`);
+
+function neverCalled(e) {
+    // Quit with non-zero exit code to ensure a test suite error is shown,
+    // even when this function is called within promise handlers which normally
+    // swallow any exceptions.
+    print("Error: " + e + "\nstack:\n" + e.stack);
+    quit(1);
+}
+
+g.f().then(() => {
+    assertEq(arraysEqual(log, [
+        "START",
+        "enter: f",
+        "MIDDLE",
+        "END",
+    ]), true);
+}).catch(neverCalled);
+
+dbg.onEnterFrame = frame => {
+    log.push(`enter: ${frame.callee.name}`);
+};