diff options
Diffstat (limited to 'devtools/client/webconsole/test/browser/browser_jsterm_await_concurrent.js')
-rw-r--r-- | devtools/client/webconsole/test/browser/browser_jsterm_await_concurrent.js | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/devtools/client/webconsole/test/browser/browser_jsterm_await_concurrent.js b/devtools/client/webconsole/test/browser/browser_jsterm_await_concurrent.js new file mode 100644 index 0000000000..8cd3978d2d --- /dev/null +++ b/devtools/client/webconsole/test/browser/browser_jsterm_await_concurrent.js @@ -0,0 +1,48 @@ +/* Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/publicdomain/zero/1.0/ */ + +// Test that multiple concurrent top-level await expressions work as expected. + +"use strict"; + +const TEST_URI = + "data:text/html;charset=utf-8,<!DOCTYPE html>Web Console test top-level await"; + +add_task(async function () { + // Enable await mapping. + await pushPref("devtools.debugger.features.map-await-expression", true); + const hud = await openNewTabAndConsole(TEST_URI); + + await clearOutput(hud); + const delays = [3000, 500, 9000, 6000]; + const inputs = delays.map( + delay => `await new Promise( + r => setTimeout(() => r("await-concurrent-" + ${delay}), ${delay}))` + ); + + // Let's wait for the message that sould be displayed last. + const onMessage = waitForMessageByType( + hud, + "await-concurrent-9000", + ".result" + ); + for (const input of inputs) { + execute(hud, input); + } + await onMessage; + + const messages = hud.ui.outputNode.querySelectorAll(".message .message-body"); + const messagesText = Array.from(messages).map(n => n.textContent); + const expectedMessages = [ + ...inputs, + `"await-concurrent-500"`, + `"await-concurrent-3000"`, + `"await-concurrent-6000"`, + `"await-concurrent-9000"`, + ]; + is( + JSON.stringify(messagesText, null, 2), + JSON.stringify(expectedMessages, null, 2), + "The output contains the the expected messages, in the expected order" + ); +}); |