tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_breakpoint-20.js (2678B)

      1 /* Any copyright is dedicated to the Public Domain.
      2 http://creativecommons.org/publicdomain/zero/1.0/ */
      3 
      4 "use strict";
      5 
      6 /**
      7 * Verify that when two of the "same" source are loaded concurrently (like e10s
      8 * frame scripts), breakpoints get hit in scripts defined by all sources.
      9 */
     10 
     11 var gDebuggee;
     12 
     13 add_task(
     14  threadFrontTest(async ({ threadFront, debuggee }) => {
     15    gDebuggee = debuggee;
     16    await testBreakpoint(threadFront);
     17  })
     18 );
     19 
     20 const testBreakpoint = async function (threadFront) {
     21  evalSetupCode();
     22 
     23  // Load the test source once.
     24 
     25  evalTestCode();
     26  equal(
     27    gDebuggee.functions.length,
     28    1,
     29    "The test code should have added a function."
     30  );
     31 
     32  // Set a breakpoint in the test source.
     33 
     34  const source = await getSource(threadFront, "test.js");
     35  setBreakpoint(threadFront, { sourceUrl: source.url, line: 3 });
     36 
     37  // Load the test source again.
     38 
     39  evalTestCode();
     40  equal(
     41    gDebuggee.functions.length,
     42    2,
     43    "The test code should have added another function."
     44  );
     45 
     46  // Should hit our breakpoint in a script defined by the first instance of the
     47  // test source.
     48 
     49  const bpPause1 = await executeOnNextTickAndWaitForPause(
     50    () => gDebuggee.eval("functions[0]()"),
     51    threadFront
     52  );
     53  equal(
     54    bpPause1.why.type,
     55    "breakpoint",
     56    "Should pause because of hitting our breakpoint (not debugger statement)."
     57  );
     58  const dbgStmtPause1 = await executeOnNextTickAndWaitForPause(
     59    () => resume(threadFront),
     60    threadFront
     61  );
     62  equal(
     63    dbgStmtPause1.why.type,
     64    "debuggerStatement",
     65    "And we should hit the debugger statement after the pause."
     66  );
     67  await resume(threadFront);
     68 
     69  // Should also hit our breakpoint in a script defined by the second instance
     70  // of the test source.
     71 
     72  const bpPause2 = await executeOnNextTickAndWaitForPause(
     73    () => gDebuggee.eval("functions[1]()"),
     74    threadFront
     75  );
     76  equal(
     77    bpPause2.why.type,
     78    "breakpoint",
     79    "Should pause because of hitting our breakpoint (not debugger statement)."
     80  );
     81  const dbgStmtPause2 = await executeOnNextTickAndWaitForPause(
     82    () => resume(threadFront),
     83    threadFront
     84  );
     85  equal(
     86    dbgStmtPause2.why.type,
     87    "debuggerStatement",
     88    "And we should hit the debugger statement after the pause."
     89  );
     90 };
     91 
     92 function evalSetupCode() {
     93  Cu.evalInSandbox("this.functions = [];", gDebuggee, "1.8", "setup.js", 1);
     94 }
     95 
     96 function evalTestCode() {
     97  Cu.evalInSandbox(
     98    `                                 // 1
     99    this.functions.push(function () { // 2
    100      var setBreakpointHere = 1;      // 3
    101      debugger;                       // 4
    102    });                               // 5
    103    `,
    104    gDebuggee,
    105    "1.8",
    106    "test.js",
    107    1
    108  );
    109 }