The Tor Browser: browser/devtools/debugger/test/browser_dbg

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* Any copyright is dedicated to the Public Domain.

     2    http://creativecommons.org/publicdomain/zero/1.0/ */

     4 /**

     5  * Make sure that prettifying JS sources with type errors works as expected.

     6  */

     8 const TAB_URL = EXAMPLE_URL + "doc_included-script.html";

     9 const JS_URL = EXAMPLE_URL + "code_location-changes.js";

    11 let gTab, gDebuggee, gPanel, gDebugger, gClient;

    12 let gEditor, gSources, gControllerSources, gPrettyPrinted;

    14 function test() {

    15   initDebugger(TAB_URL).then(([aTab, aDebuggee, aPanel]) => {

    16     gTab = aTab;

    17     gDebuggee = aDebuggee;

    18     gPanel = aPanel;

    19     gDebugger = gPanel.panelWin;

    20     gClient = gDebugger.gClient;

    21     gEditor = gDebugger.DebuggerView.editor;

    22     gSources = gDebugger.DebuggerView.Sources;

    23     gControllerSources = gDebugger.DebuggerController.SourceScripts;

    25     // We can't feed javascript files with syntax errors to the debugger,

    26     // because they will never run, thus sometimes getting gc'd before the

    27     // debugger is opened, or even before the target finishes navigating.

    28     // Make the client lie about being able to parse perfectly fine code.

    29     gClient.request = (function (aOriginalRequestMethod) {

    30       return function (aPacket, aCallback) {

    31         if (aPacket.type == "prettyPrint") {

    32           gPrettyPrinted = true;

    33           return executeSoon(() => aCallback({ error: "prettyPrintError" }));

    34         }

    35         return aOriginalRequestMethod(aPacket, aCallback);

    36       };

    37     }(gClient.request));

    39     Task.spawn(function() {

    40       yield waitForSourceShown(gPanel, JS_URL);

    42       // From this point onward, the source editor's text should never change.

    43       gEditor.once("change", () => {

    44         ok(false, "The source editor text shouldn't have changed.");

    45       });

    47       is(gSources.selectedValue, JS_URL,

    48         "The correct source is currently selected.");

    49       ok(gEditor.getText().contains("myFunction"),

    50         "The source shouldn't be pretty printed yet.");

    52       clickPrettyPrintButton();

    54       let { source } = gSources.selectedItem.attachment;

    55       try {

    56         yield gControllerSources.togglePrettyPrint(source);

    57         ok(false, "The promise for a prettified source should be rejected!");

    58       } catch ([source, error]) {

    59         ok(error.contains("prettyPrintError"),

    60           "The promise was correctly rejected with a meaningful message.");

    61       }

    63       let [source, text] = yield gControllerSources.getText(source);

    64       is(gSources.selectedValue, JS_URL,

    65         "The correct source is still selected.");

    66       ok(gEditor.getText().contains("myFunction"),

    67         "The displayed source hasn't changed.");

    68       ok(text.contains("myFunction"),

    69         "The cached source text wasn't altered in any way.");

    71       is(gPrettyPrinted, true,

    72         "The hijacked pretty print method was executed.");

    74       yield closeDebuggerAndFinish(gPanel);

    75     });

    76   });

    77 }

    79 function clickPrettyPrintButton() {

    80   gDebugger.document.getElementById("pretty-print").click();

    81 }

    83 registerCleanupFunction(function() {

    84   gTab = null;

    85   gDebuggee = null;

    86   gPanel = null;

    87   gDebugger = null;

    88   gClient = null;

    89   gEditor = null;

    90   gSources = null;

    91   gControllerSources = null;

    92   gPrettyPrinted = null;

    93 });

The Tor Browser / file revision