browser_dbg-log-points.js

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/* 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

 * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */

/*

 * Tests that log points are correctly logged to the console

*/

"use strict";

add_task(async function () {

  Services.prefs.setBoolPref("devtools.toolbox.splitconsole.open", true);

  const dbg = await initDebugger(

    "doc-script-switching.html",

    "script-switching-01.js"

);

  const source = findSource(dbg, "script-switching-01.js");

  await selectSource(dbg, "script-switching-01.js");

  await getDebuggerSplitConsole(dbg);

  info(

    `Add a first log breakpoint with no argument, which will log "display name", i.e. firstCall`

);

  await altClickElement(dbg, "gutter", 7);

  await waitForBreakpoint(dbg, "script-switching-01.js", 7);

  info("Add another log breakpoint with static arguments");

  await dbg.actions.addBreakpoint(createLocation({ line: 8, source }), {

    logValue: "'a', 'b', 'c'",

});

  invokeInTab("firstCall");

  await waitForPaused(dbg);

  info("Wait for the two log breakpoints");

  await hasConsoleMessage(dbg, "firstCall");

  await hasConsoleMessage(dbg, "a b c");

  const { link, value } = await findConsoleMessage(dbg, "a b c");

  is(link, "script-switching-01.js:8:2", "logs should have the relevant link");

  is(value, "a b c", "logs should have multiple values");

  await removeBreakpoint(dbg, source.id, 7);

  await removeBreakpoint(dbg, source.id, 8);

  await resume(dbg);

  info(

    "Now set a log point calling a method with a debugger statement and a breakpoint, it shouldn't pause on the log point"

);

  await addBreakpoint(dbg, "script-switching-01.js", 8);

  await addBreakpoint(dbg, "script-switching-01.js", 7);

  await dbg.actions.addBreakpoint(createLocation({ line: 7, source }), {

    logValue: "'second call', secondCall()",

});

  invokeInTab("firstCall");

  await waitForPaused(dbg);

  // We aren't pausing on secondCall's debugger statement,

  // called by the condition, but only on the breakpoint we set on firstCall, line 8

  assertPausedAtSourceAndLine(dbg, source.id, 8);

  // The log point is visible, even if it had a debugger statement in it.

  await hasConsoleMessage(dbg, "second call 44");

  await removeBreakpoint(dbg, source.id, 7);

  await removeBreakpoint(dbg, source.id, 8);

  await resume(dbg);

  // Resume a second time as we are hittin the debugger statement as firstCall calls secondCall

  await resume(dbg);

  info(

    "Set a log point throwing an exception and ensure the exception is displayed"

);

  await dbg.actions.addBreakpoint(createLocation({ line: 7, source }), {

    logValue: "jsWithError(",

});

  invokeInTab("firstCall");

  await waitForPaused(dbg);

  // Exceptions in conditional breakpoint would not trigger a pause,

  // So we end up pausing on the debugger statement in the other script.

  assertPausedAtSourceAndLine(

    dbg,

    findSource(dbg, "script-switching-02.js").id,

);

  // But verify that the exception message is visible even if we didn't pause.

  // As the logValue is evaled within an array `[${logValue}]`,

  // the exception message is a bit cryptic...

  await hasConsoleMessage(dbg, "expected expression, got ']'");

});