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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
| commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
| tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /devtools/client/webconsole/test/browser/browser_jsterm_await.js | |
| parent | Initial commit. (diff) | |
| download | thunderbird-upstream.tar.xz thunderbird-upstream.zip | |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'devtools/client/webconsole/test/browser/browser_jsterm_await.js')
| -rw-r--r-- | devtools/client/webconsole/test/browser/browser_jsterm_await.js | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/devtools/client/webconsole/test/browser/browser_jsterm_await.js b/devtools/client/webconsole/test/browser/browser_jsterm_await.js new file mode 100644 index 0000000000..0e8b894ce6 --- /dev/null +++ b/devtools/client/webconsole/test/browser/browser_jsterm_await.js @@ -0,0 +1,83 @@ +/* Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/publicdomain/zero/1.0/ */ + +// Test that 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); + + info("Evaluate a top-level await expression"); + const simpleAwait = `await new Promise(r => setTimeout(() => r(["await1"]), 500))`; + await executeAndWaitForResultMessage(hud, simpleAwait, `Array [ "await1" ]`); + + // Check that the resulting promise of the async iife is not displayed. + const messages = hud.ui.outputNode.querySelectorAll(".message .message-body"); + const messagesText = Array.from(messages) + .map(n => n.textContent) + .join(" - "); + is( + messagesText, + `${simpleAwait} - Array [ "await1" ]`, + "The output contains the the expected messages" + ); + + // Check that the timestamp of the result is accurate + const { visibleMessages, mutableMessagesById } = hud.ui.wrapper + .getStore() + .getState().messages; + const [commandId, resultId] = visibleMessages; + const delta = + mutableMessagesById.get(resultId).timeStamp - + mutableMessagesById.get(commandId).timeStamp; + ok( + delta >= 500, + `The result has a timestamp at least 500ms (${delta}ms) older than the command` + ); + + info("Check that assigning the result of a top-level await expression works"); + await executeAndWaitForResultMessage( + hud, + `x = await new Promise(r => setTimeout(() => r("await2"), 500))`, + `await2` + ); + + let message = await executeAndWaitForResultMessage( + hud, + `"-" + x + "-"`, + `"-await2-"` + ); + ok(message.node, "`x` was assigned as expected"); + + info("Check that a logged promise is still displayed as a promise"); + message = await executeAndWaitForResultMessage( + hud, + `new Promise(r => setTimeout(() => r(1), 1000))`, + `Promise {` + ); + ok(message, "Promise are displayed as expected"); + + info("Check that then getters aren't called twice"); + message = await executeAndWaitForResultMessage( + hud, + // It's important to keep the last statement of the expression as it covers the original issue. + // We could execute another expression to get `object.called`, but since we get a preview + // of the object with an accurate `called` value, this is enough. + ` + var obj = { + called: 0, + get then(){ + this.called++ + } + }; + await obj`, + `Object { called: 1, then: Getter }` + ); +}); |