diff options
Diffstat (limited to 'dom/workers/test/WorkerDebugger_promise_worker.js')
-rw-r--r-- | dom/workers/test/WorkerDebugger_promise_worker.js | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/dom/workers/test/WorkerDebugger_promise_worker.js b/dom/workers/test/WorkerDebugger_promise_worker.js new file mode 100644 index 000000000..a77737af5 --- /dev/null +++ b/dom/workers/test/WorkerDebugger_promise_worker.js @@ -0,0 +1,25 @@ +"use strict"; + +self.onmessage = function (event) { + if (event.data !== "resolve") { + return; + } + // This then-handler should be executed inside the top-level event loop, + // within the context of the worker's global. + Promise.resolve().then(function () { + self.onmessage = function (event) { + if (event.data !== "pause") { + return; + } + // This then-handler should be executed inside the top-level event loop, + // within the context of the worker's global. Because the debugger + // statement here below enters a nested event loop, the then-handler + // should not be executed until the debugger statement returns. + Promise.resolve().then(function () { + postMessage("resumed"); + }); + debugger; + } + postMessage("resolved"); + }); +}; |