tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

shell.js (3332B)

      1 /*---
      2 defines: [testJSON]
      3 allow_unused: True
      4 ---*/
      5 function testJSON(str, expectSyntaxError)
      6 {
      7  // Leading and trailing whitespace never affect parsing, so test the string
      8  // multiple times with and without whitespace around it as it's easy and can
      9  // potentially detect bugs.
     10 
     11  // Try the provided string
     12  try
     13  {
     14    JSON.parse(str);
     15    reportCompare(false, expectSyntaxError,
     16                  "string <" + str + "> " +
     17                  "should" + (expectSyntaxError ? "n't" : "") + " " +
     18                  "have parsed as JSON");
     19  }
     20  catch (e)
     21  {
     22    if (!(e instanceof SyntaxError))
     23    {
     24      reportCompare(true, false,
     25                    "parsing string <" + str + "> threw a non-SyntaxError " +
     26                    "exception: " + e);
     27    }
     28    else
     29    {
     30      reportCompare(true, expectSyntaxError,
     31                    "string <" + str + "> " +
     32                    "should" + (expectSyntaxError ? "n't" : "") + " " +
     33                    "have parsed as JSON, exception: " + e);
     34    }
     35  }
     36 
     37  // Now try the provided string with trailing whitespace
     38  try
     39  {
     40    JSON.parse(str + " ");
     41    reportCompare(false, expectSyntaxError,
     42                  "string <" + str + " > " +
     43                  "should" + (expectSyntaxError ? "n't" : "") + " " +
     44                  "have parsed as JSON");
     45  }
     46  catch (e)
     47  {
     48    if (!(e instanceof SyntaxError))
     49    {
     50      reportCompare(true, false,
     51                    "parsing string <" + str + " > threw a non-SyntaxError " +
     52                    "exception: " + e);
     53    }
     54    else
     55    {
     56      reportCompare(true, expectSyntaxError,
     57                    "string <" + str + " > " +
     58                    "should" + (expectSyntaxError ? "n't" : "") + " " +
     59                    "have parsed as JSON, exception: " + e);
     60    }
     61  }
     62 
     63  // Now try the provided string with leading whitespace
     64  try
     65  {
     66    JSON.parse(" " + str);
     67    reportCompare(false, expectSyntaxError,
     68                  "string < " + str + "> " +
     69                  "should" + (expectSyntaxError ? "n't" : "") + " " +
     70                  "have parsed as JSON");
     71  }
     72  catch (e)
     73  {
     74    if (!(e instanceof SyntaxError))
     75    {
     76      reportCompare(true, false,
     77                    "parsing string < " + str + "> threw a non-SyntaxError " +
     78                    "exception: " + e);
     79    }
     80    else
     81    {
     82      reportCompare(true, expectSyntaxError,
     83                    "string < " + str + "> " +
     84                    "should" + (expectSyntaxError ? "n't" : "") + " " +
     85                    "have parsed as JSON, exception: " + e);
     86    }
     87  }
     88 
     89  // Now try the provided string with whitespace surrounding it
     90  try
     91  {
     92    JSON.parse(" " + str + " ");
     93    reportCompare(false, expectSyntaxError,
     94                  "string < " + str + " > " +
     95                  "should" + (expectSyntaxError ? "n't" : "") + " " +
     96                  "have parsed as JSON");
     97  }
     98  catch (e)
     99  {
    100    if (!(e instanceof SyntaxError))
    101    {
    102      reportCompare(true, false,
    103                    "parsing string < " + str + " > threw a non-SyntaxError " +
    104                    "exception: " + e);
    105    }
    106    else
    107    {
    108      reportCompare(true, expectSyntaxError,
    109                    "string < " + str + " > " +
    110                    "should" + (expectSyntaxError ? "n't" : "") + " " +
    111                    "have parsed as JSON, exception: " + e);
    112    }
    113  }
    114 }