third_party/WebKit/LayoutTests/fast/js/script-tests/exception-linenums.js

   1 description('This test exercises the source URL and line number that is embedded in JavaScript exceptions, which is displayed in places like the JavaScript console.');
   2
   3 function exceptionInFunction()
   4 {
   5     throw Exception();
   6 }
   7
   8 var e = undefined;
   9
  10 try {
  11     // Raises an exception that gets picked up by KJS_CHECKEXCEPTION
  12     document.documentElement.innerHTML(foo);
  13 } catch (exception) {
  14     e = exception;
  15 }
  16 shouldBe("typeof e.sourceURL", '"string"');
  17 shouldBe("e.line", '12');
  18
  19 e = undefined;
  20 try {
  21     // Raises an exception that gets picked up by KJS_CHECKEXCEPTIONVALUE
  22     document.documentElement.appendChild('').prefix = '';
  23 } catch (exception) {
  24     e = exception;
  25 }
  26 shouldBe("typeof e.sourceURL", '"string"');
  27 shouldBe("e.line", '22');
  28
  29 e = undefined;
  30 try {
  31     // Raises an exception that gets picked up by KJS_CHECKEXCEPTIONREFERENCE
  32     document.documentElement.appendChild('').innerHTML = '';
  33 } catch (exception) {
  34     e = exception;
  35 }
  36 shouldBe("typeof e.sourceURL", '"string"');
  37 shouldBe("e.line", '32');
  38
  39 e = undefined;
  40 try {
  41     // Raises an exception that gets picked up by KJS_CHECKEXCEPTIONLIST
  42     document.getElementById(1());
  43 } catch (exception) {
  44     e = exception;
  45 }
  46 shouldBe("typeof e.sourceURL", '"string"');
  47 shouldBe("e.line", '42');
  48
  49 e = undefined;
  50 // Raises an exception inside a function to check that its line number
  51 // isn't overwritten in the assignment node.
  52 try {
  53     var a = exceptionInFunction();
  54 } catch (exception) {
  55     e = exception;
  56 }
  57 shouldBe("typeof e.sourceURL", '"string"');
  58 shouldBe("e.line", '5');
  59
  60 realEval = eval;
  61 delete eval;
  62 (function(){
  63     try {
  64         eval("");
  65     } catch(exception) {
  66         e = exception;
  67     }
  68 })();
  69 eval = realEval;
  70 shouldBe("typeof e.sourceURL", '"string"');
  71 shouldBe("e.line", '64');
  72
  73 var firstPropIsGetter = {
  74     get getter() { throw {} }
  75 };
  76 var secondPropIsGetter = {
  77     prop: 1,
  78     get getter() { throw {} }
  79 };
  80 var firstPropIsSetter = {
  81     set setter(a) { throw {} }
  82 };
  83 var secondPropIsSetter = {
  84     prop: 1,
  85     set setter(a) { throw {} }
  86 };
  87
  88 try {
  89     firstPropIsGetter.getter;
  90 } catch(ex) {
  91     e = ex;
  92     shouldBe("e.line", "74");
  93 }
  94
  95 try {
  96     secondPropIsGetter.getter;
  97 } catch(ex) {
  98     e = ex;
  99     shouldBe("e.line", "78");
 100 }
 101
 102 try {
 103     firstPropIsSetter.setter = '';
 104 } catch(ex) {
 105     e = ex;
 106     shouldBe("e.line", "81");
 107 }
 108
 109 try {
 110     secondPropIsSetter.setter = '';
 111 } catch(ex) {
 112     e = ex;
 113     shouldBe("e.line", "85");
 114 }