js/xpconnect/tests/chrome/test_inlineScripts.html

   1 <!DOCTYPE html>
   2 <html>
   3   <meta charset=utf-8>
   4   <title>Tests for nsIScriptError</title>
   5   <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
   6   <div id="log"></div>
   7
   8   <!-- Verify that column is correct, even for inline scripts with HTML on the same line -->
   9   <span>some html</span> <script>var inlineScriptStack = new Error().stack;</script>
  10   <script>
  11     function waitForError (expectedMessage){
  12       return new Promise(resolve => {
  13         const listener = {
  14           QueryInterface: ChromeUtils.generateQI(["nsIConsoleListener"])
  15         };
  16
  17         listener.observe = function(message) {
  18           if (message.message.includes(expectedMessage)) {
  19             message.QueryInterface(Ci.nsIScriptError);
  20             resolve(message);
  21             Services.console.unregisterListener(listener);
  22           }
  23         };
  24
  25         Services.console.registerListener(listener);
  26       });
  27     }
  28
  29     var onInlineScriptError = waitForError("doThrow");
  30     var onModuleError = waitForError("doThrowInModule");
  31     SimpleTest.expectUncaughtException();
  32   </script>
  33   <span>some more html</span><script>doThrow() // eslint-disable-line no-undef</script>
  34   <script>var b;</script><hr><script type="module">SimpleTest.expectUncaughtException();doThrowInModule() // eslint-disable-line no-undef</script>
  35   <script>
  36     add_task(async () => {
  37         info("Check line and column information in Error#stack");
  38         const { groups } = inlineScriptStack.match(/(?<line>\d+):(?<column>\d+)/);
  39         is(groups.line, "9", "line of Error#stack in inline script is correct");
  40         is(groups.column, "58", "column of Error#stack in inline script is correct");
  41
  42         info("Check line and column information Error message in inline script");
  43         const errorMessage = await onInlineScriptError;
  44         is(errorMessage.lineNumber, 33, "The exception line is correct");
  45         is(errorMessage.columnNumber, 38, "The exception column is correct");
  46
  47         info("Check line and column information Error message in inline module");
  48         const errorMessageInModule = await onModuleError;
  49         is(errorMessageInModule.lineNumber, 34, "The module exception line is correct");
  50         is(errorMessageInModule.columnNumber, 89, "The module exception column is correct");
  51     });
  52   </script>
  53 </html>