The Tor Browser: toolkit/devtools/server/tests/unit/test_trace

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  * Simple tests for "location", "callsite", "time", "parameterNames",

     6  * "arguments", and "return" trace types.

     7  */

     9 var gDebuggee;

    10 var gClient;

    11 var gTraceClient;

    13 function run_test()

    14 {

    15   initTestTracerServer();

    16   gDebuggee = addTestGlobal("test-tracer-actor");

    17   gClient = new DebuggerClient(DebuggerServer.connectPipe());

    18   gClient.connect(function() {

    19     attachTestTab(gClient, "test-tracer-actor", function(aResponse, aTabClient) {

    20       gClient.attachTracer(aResponse.traceActor, function(aResponse, aTraceClient) {

    21         gTraceClient = aTraceClient;

    22         test_enter_exit_frame();

    23       });

    24     });

    25   });

    26   do_test_pending();

    27 }

    29 function check_number(value)

    30 {

    31   do_check_eq(typeof value, "number");

    32   do_check_true(!isNaN(value));

    33 }

    35 function check_location(actual, expected)

    36 {

    37   do_check_eq(typeof actual, "object");

    39   check_number(actual.line);

    40   check_number(actual.column);

    42   do_check_eq(actual.url, expected.url);

    43   do_check_eq(actual.line, expected.line);

    44   do_check_eq(actual.column, expected.column);

    46 }

    48 function test_enter_exit_frame()

    49 {

    50   let traces = [];

    51   let traceStopped = promise.defer();

    53   gClient.addListener("traces", function(aEvent, aPacket) {

    54     for (let t of aPacket.traces) {

    55       if (t.type == "enteredFrame") {

    56         do_check_eq(typeof t.name, "string");

    57         do_check_eq(typeof t.location, "object");

    59         check_number(t.sequence);

    60         check_number(t.time);

    61         check_number(t.location.line);

    62         check_number(t.location.column);

    63         if (t.callsite) {

    64           check_number(t.callsite.line);

    65           check_number(t.callsite.column);

    66         }

    67       } else {

    68         check_number(t.sequence);

    69         check_number(t.time);

    70       }

    72       traces[t.sequence] = t;

    73       if (traces.length === 4) {

    74         traceStopped.resolve();

    75       }

    76     }

    77   });

    79   start_trace()

    80     .then(eval_code)

    81     .then(() => traceStopped.promise)

    82     .then(stop_trace)

    83     .then(function() {

    84       let url = getFileUrl("tracerlocations.js");

    86       check_location(traces[0].location, { url: url, line: 1, column: 0 });

    88       do_check_eq(traces[1].name, "foo");

    90       // XXX: foo's definition is at tracerlocations.js:3:0, but Debugger.Script

    91       // does not provide complete definition locations (bug 901138). Therefore,

    92       // we use the first statement in the function (tracerlocations.js:4:2) as

    93       // an approximation.

    94       //

    95       // However, |column| will always be 0 until we can get bug 863089

    96       // fixed.

    97       check_location(traces[1].location, { url: url, line: 4, column: 0 });

    98       check_location(traces[1].callsite, { url: url, line: 8, column: 0 });

   100       do_check_eq(typeof traces[1].parameterNames, "object");

   101       do_check_eq(traces[1].parameterNames.length, 1);

   102       do_check_eq(traces[1].parameterNames[0], "x");

   104       do_check_eq(typeof traces[1].arguments, "object");

   105       do_check_true(Array.isArray(traces[1].arguments));

   106       do_check_eq(traces[1].arguments.length, 1);

   107       do_check_eq(traces[1].arguments[0], 42);

   109       do_check_eq(typeof traces[2].return, "string");

   110       do_check_eq(traces[2].return, "bar");

   112       finishClient(gClient);

   113     }, error => {

   114       DevToolsUtils.reportException("test_trace_actor-05.js", error);

   115       do_check_true(false);

   116     });

   117 }

   119 function start_trace()

   120 {

   121   let deferred = promise.defer();

   122   gTraceClient.startTrace(

   123     ["name", "location", "callsite", "time", "parameterNames", "arguments", "return"],

   124     null,

   125     function() { deferred.resolve(); });

   126   return deferred.promise;

   127 }

   129 function eval_code()

   130 {

   131   let code = readFile("tracerlocations.js");

   132   Components.utils.evalInSandbox(code, gDebuggee, "1.8",

   133                                 getFileUrl("tracerlocations.js"), 1);

   134 }

   136 function stop_trace()

   137 {

   138   let deferred = promise.defer();

   139   gTraceClient.stopTrace(null, function() { deferred.resolve(); });

   140   return deferred.promise;

   141 }

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