<!DOCTYPE html> <meta charset=utf-8> <title>Test syntax errors parsing an inline async module are reported</title> <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script> <script> var wasRun = false; var errorCount = 0; var syntaxErrorCount = 0; var eventCount = 0; SimpleTest.waitForExplicitFinish(); window.onerror = handleError; function handleError(message, url, line, column, error) { errorCount++; if (error instanceof SyntaxError) { syntaxErrorCount++; } } function testError() { ok(!wasRun, 'Check script was not run'); ok(errorCount == 1, 'Check that an error was reported'); ok(syntaxErrorCount == 1, 'Check that a syntax error was reported'); ok(eventCount == 0, 'Check that no error event was fired'); SimpleTest.finish(); } </script> <script type="module" async onerror="eventCount++"> // Module with a syntax error. some invalid js syntax; wasRun = true; </script> <body onload='testError()'></body>