Mypal/devtools/client/webconsole/test/browser_webconsole_strict_mode_errors.js
2021-02-04 16:48:36 +02:00

83 lines
2.2 KiB
JavaScript

/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
// Check that "use strict" JS errors generate errors, not warnings.
"use strict";
add_task(function* () {
// On e10s, the exception is triggered in child process
// and is ignored by test harness
if (!Services.appinfo.browserTabsRemoteAutostart) {
expectUncaughtException();
}
yield loadTab("data:text/html;charset=utf8,<script>'use strict';var arguments;</script>");
let hud = yield openConsole();
yield waitForMessages({
webconsole: hud,
messages: [
{
text: "SyntaxError: 'arguments' can't be defined or assigned to in strict mode code",
category: CATEGORY_JS,
severity: SEVERITY_ERROR,
},
],
});
if (!Services.appinfo.browserTabsRemoteAutostart) {
expectUncaughtException();
}
BrowserTestUtils.loadURI(gBrowser.selectedBrowser, "data:text/html;charset="
+ "utf8,<script>'use strict';function f(a, a) {};</script>");
yield waitForMessages({
webconsole: hud,
messages: [
{
text: "SyntaxError: duplicate formal argument a",
category: CATEGORY_JS,
severity: SEVERITY_ERROR,
},
],
});
if (!Services.appinfo.browserTabsRemoteAutostart) {
expectUncaughtException();
}
BrowserTestUtils.loadURI(gBrowser.selectedBrowser, "data:text/html;charset="
+ "utf8,<script>'use strict';var o = {get p() {}};o.p = 1;</script>");
yield waitForMessages({
webconsole: hud,
messages: [
{
text: 'TypeError: setting getter-only property "p"',
category: CATEGORY_JS,
severity: SEVERITY_ERROR,
},
],
});
if (!Services.appinfo.browserTabsRemoteAutostart) {
expectUncaughtException();
}
BrowserTestUtils.loadURI(gBrowser.selectedBrowser,
"data:text/html;charset=utf8,<script>'use strict';v = 1;</script>");
yield waitForMessages({
webconsole: hud,
messages: [
{
text: "ReferenceError: assignment to undeclared variable v",
category: CATEGORY_JS,
severity: SEVERITY_ERROR,
},
],
});
hud = null;
});