Source code
Revision control
Copy as Markdown
Other Tools
Test Info: Warnings
- This test gets skipped with pattern: asan OR tsan
- Manifest: devtools/client/debugger/test/mochitest/browser_aj.toml
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
// Tests tracing only on next page load
"use strict";
add_task(async function testTracingOnNextLoad() {
await pushPref("devtools.debugger.features.javascript-tracing", true);
await pushPref(
"devtools.debugger.features.javascript-tracing-log-method",
"console"
);
// Cover tracing function argument values
const jsCode = `function foo() {}; function bar() {}; foo(); dump("plop\\n")`;
const dbg = await initDebuggerWithAbsoluteURL(
"data:text/html," +
encodeURIComponent(`<script>${jsCode}</script><body></body>`)
);
const traceButton = findElement(dbg, "trace");
await openContextMenuInDebugger(dbg, "trace");
let toggled = waitForDispatch(
dbg.store,
"TOGGLE_JAVASCRIPT_TRACING_ON_NEXT_LOAD"
);
selectContextMenuItem(dbg, `#debugger-trace-menu-item-next-load`);
await toggled;
ok(true, "Toggled the trace on next load");
await clickElement(dbg, "trace");
ok(
!traceButton.classList.contains("pending"),
"Before toggling the trace button, it has no particular state"
);
info(
"Wait for the split console to be automatically displayed when toggling this setting"
);
await dbg.toolbox.getPanelWhenReady("webconsole");
invokeInTab("bar");
// Let some time for the call to be traced
await wait(500);
is(
(await findConsoleMessages(dbg.toolbox, "λ bar")).length,
0,
"The code isn't logged as the tracer shouldn't be started yet"
);
// Wait for the trace button to be highlighted
await waitFor(() => {
return traceButton.classList.contains("pending");
}, "The tracer button is pending before reloading the page");
info("Add an iframe to trigger a target creation");
await SpecialPowers.spawn(gBrowser.selectedBrowser, [], async function () {
const iframe = content.document.createElement("iframe");
iframe.src = "data:text/html,iframe";
content.document.body.appendChild(iframe);
});
// Let some time to regress and start the tracer
await wait(500);
ok(
traceButton.classList.contains("pending"),
"verify that the tracer is still pending after the iframe creation"
);
// Reload the page to trigger the tracer
await reload(dbg);
let topLevelThreadActorID =
dbg.toolbox.commands.targetCommand.targetFront.threadFront.actorID;
info("Wait for tracing to be enabled after page reload");
await waitForState(dbg, () => {
return dbg.selectors.getIsThreadCurrentlyTracing(topLevelThreadActorID);
});
ok(
traceButton.classList.contains("active"),
"The tracer button is now active after reload"
);
info("Wait for the split console to be displayed");
await dbg.toolbox.getPanelWhenReady("webconsole");
// Ensure that the very early code is traced
await hasConsoleMessage(dbg, "λ foo");
is(
(await findConsoleMessages(dbg.toolbox, "λ bar")).length,
0,
"The code ran before the reload isn't logged"
);
await clickElement(dbg, "trace");
topLevelThreadActorID =
dbg.toolbox.commands.targetCommand.targetFront.threadFront.actorID;
info("Wait for tracing to be disabled");
await waitForState(dbg, () => {
return dbg.selectors.getIsThreadCurrentlyTracing(topLevelThreadActorID);
});
await waitFor(() => {
return !traceButton.classList.contains("active");
}, "The tracer button is no longer active after stop request");
info("Toggle the setting back off");
await openContextMenuInDebugger(dbg, "trace");
toggled = waitForDispatch(
dbg.store,
"TOGGLE_JAVASCRIPT_TRACING_ON_NEXT_LOAD"
);
selectContextMenuItem(dbg, `#debugger-trace-menu-item-next-load`);
await toggled;
await waitFor(() => {
return !traceButton.classList.contains("pending");
}, "The tracer button is no longer pending after toggling the setting");
// Reset the trace on next interaction setting
Services.prefs.clearUserPref(
"devtools.debugger.javascript-tracing-on-next-interaction"
);
});