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Test Info: Warnings

<!DOCTYPE html>
<meta charset=utf-8>
<title>Tests for nsIScriptError</title>
<div id="log"></div>
<!-- Verify that column is correct, even for inline scripts with HTML on the same line -->
<span>some html</span> <script>var inlineScriptStack = new Error().stack;</script>
function waitForError (expectedMessage){
return new Promise(resolve => {
const listener = {
QueryInterface: ChromeUtils.generateQI(["nsIConsoleListener"])
listener.observe = function(message) {
if (message.message.includes(expectedMessage)) {
var onInlineScriptError = waitForError("doThrow");
var onModuleError = waitForError("doThrowInModule");
<span>some more html</span><script>doThrow() // eslint-disable-line no-undef</script>
<script>var b;</script><hr><script type="module">SimpleTest.expectUncaughtException();doThrowInModule() // eslint-disable-line no-undef</script>
add_task(async () => {
info("Check line and column information in Error#stack");
const { groups } = inlineScriptStack.match(/(?<line>\d+):(?<column>\d+)/);
is(groups.line, "9", "line of Error#stack in inline script is correct");
is(groups.column, "58", "column of Error#stack in inline script is correct");
info("Check line and column information Error message in inline script");
const errorMessage = await onInlineScriptError;
is(errorMessage.lineNumber, 33, "The exception line is correct");
is(errorMessage.columnNumber, 38, "The exception column is correct");
info("Check line and column information Error message in inline module");
const errorMessageInModule = await onModuleError;
is(errorMessageInModule.lineNumber, 34, "The module exception line is correct");
is(errorMessageInModule.columnNumber, 89, "The module exception column is correct");