diff options
Diffstat (limited to 'devtools/client/webconsole/test/browser/browser_jsterm_await_assignments.js')
-rw-r--r-- | devtools/client/webconsole/test/browser/browser_jsterm_await_assignments.js | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/devtools/client/webconsole/test/browser/browser_jsterm_await_assignments.js b/devtools/client/webconsole/test/browser/browser_jsterm_await_assignments.js new file mode 100644 index 0000000000..6eb1ee53ed --- /dev/null +++ b/devtools/client/webconsole/test/browser/browser_jsterm_await_assignments.js @@ -0,0 +1,77 @@ +/* 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 bindings"; + +add_task(async function () { + // Enable await mapping. + await pushPref("devtools.debugger.features.map-await-expression", true); + const hud = await openNewTabAndConsole(TEST_URI); + + info("Check that declaring a let variable does not create a global property"); + await executeAndWaitForResultMessage( + hud, + `let bazA = await new Promise(r => setTimeout(() => r("local-bazA"), 10))`, + "local-bazA" + ); + await checkVariable(hud, "bazA"); + + info( + "Check that declaring a const variable does not create a global property" + ); + await executeAndWaitForResultMessage( + hud, + `const bazB = await new Promise(r => setTimeout(() => r("local-bazB"), 10))`, + "local-bazB" + ); + await checkVariable(hud, "bazB"); + + info("Check that complex variable declarations work as expected"); + await executeAndWaitForResultMessage( + hud, + ` + let bazC = "local-bazC", bazD, bazE = "local-bazE"; + bazD = await new Promise(r => setTimeout(() => r("local-bazD"), 10)); + let { + a: bazF, + b: { + c: { + bazG = "local-bazG", + d: bazH, + e: [bazI, bazJ = "local-bazJ"] + }, + d: bazK = "local-bazK" + } + } = await ({ + a: "local-bazF", + b: { + c: { + d: "local-bazH", + e: ["local-bazI"] + } + } + });`, + "" + ); + await checkVariable(hud, "bazC"); + await checkVariable(hud, "bazD"); + await checkVariable(hud, "bazE"); + await checkVariable(hud, "bazF"); + await checkVariable(hud, "bazG"); + await checkVariable(hud, "bazH"); + await checkVariable(hud, "bazI"); + await checkVariable(hud, "bazJ"); + await checkVariable(hud, "bazK"); +}); + +async function checkVariable(hud, varName) { + await executeAndWaitForResultMessage(hud, `window.${varName}`, `undefined`); + ok(true, `The ${varName} assignment did not create a global variable`); + await executeAndWaitForResultMessage(hud, varName, `"local-${varName}"`); + ok(true, `"${varName}" has the expected value`); +} |