Bug 1405352 - Split browser_webconsole_jsterm.js in multiple tests; r=Honza.

The test was doing a lot of things and was hard to follow.
Here we split it so we can have dedicated tests for each helpers.

MozReview-Commit-ID: 6YGR3aq6jYn

--HG--
rename : devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_jsterm.js => devtools/client/webconsole/new-console-output/test/mochitest/browser_jsterm_document_no_xray.js
rename : devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_jsterm.js => devtools/client/webconsole/new-console-output/test/mochitest/browser_jsterm_error_docs.js
rename : devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_jsterm.js => devtools/client/webconsole/new-console-output/test/mochitest/browser_jsterm_error_outside_valid_range.js
rename : devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_jsterm.js => devtools/client/webconsole/new-console-output/test/mochitest/browser_jsterm_helper_dollar.js
rename : devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_jsterm.js => devtools/client/webconsole/new-console-output/test/mochitest/browser_jsterm_helper_dollar_dollar.js
rename : devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_jsterm.js => devtools/client/webconsole/new-console-output/test/mochitest/browser_jsterm_helper_dollar_x.js
rename : devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_jsterm.js => devtools/client/webconsole/new-console-output/test/mochitest/browser_jsterm_helper_help.js
rename : devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_jsterm.js => devtools/client/webconsole/new-console-output/test/mochitest/browser_jsterm_helper_keys_values.js
rename : devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_jsterm.js => devtools/client/webconsole/new-console-output/test/mochitest/browser_jsterm_helper_pprint.js
rename : devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_jsterm.js => devtools/client/webconsole/new-console-output/test/mochitest/browser_jsterm_instance_of.js
rename : devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_jsterm.js => devtools/client/webconsole/new-console-output/test/mochitest/browser_jsterm_null_undefined.js
extra : rebase_source : dafa772bcbc6b379fd6ec1137c07ba24e794fc71

devtools/client/webconsole/new-console-output/test/mochitest/browser.ini

@@ -213,17 +213,28 @@ skip-if = true #	Bug 1403188
 [browser_jsterm_ctrl_a_select_all.js]
 [browser_jsterm_ctrl_key_nav.js]
 skip-if = os != 'mac' # The tested ctrl+key shortcuts are OSX only
+[browser_jsterm_document_no_xray.js]
 [browser_jsterm_dollar.js]
+[browser_jsterm_error_docs.js]
+[browser_jsterm_error_outside_valid_range.js]
 [browser_jsterm_helper_clear.js]
+[browser_jsterm_helper_dollar_dollar.js]
+[browser_jsterm_helper_dollar_x.js]
+[browser_jsterm_helper_dollar.js]
+[browser_jsterm_helper_help.js]
+[browser_jsterm_helper_keys_values.js]
+[browser_jsterm_helper_pprint.js]
 [browser_jsterm_history.js]
 [browser_jsterm_history_persist.js]
 [browser_jsterm_history_nav.js]
 [browser_jsterm_input_expansion.js]
 [browser_jsterm_inspect.js]
+[browser_jsterm_instance_of.js]
 [browser_jsterm_multiline.js]
 [browser_jsterm_no_autocompletion_on_defined_variables.js]
 [browser_jsterm_no_input_and_tab_key_pressed.js]
 [browser_jsterm_no_input_change_and_tab_key_pressed.js]
+[browser_jsterm_null_undefined.js]
 [browser_jsterm_popup_close_on_tab_switch.js]
 [browser_jsterm_popup.js]
 [browser_jsterm_selfxss.js]
@@ -292,9 +303,6 @@ skip-if = true #	Bug 1405343
 [browser_webconsole_insecure_passwords_web_console_warning.js]
 [browser_webconsole_inspect_cross_domain_object.js]
 [browser_webconsole_js_input_expansion.js]
-[browser_webconsole_jsterm.js]
-skip-if = true #	Bug 1405352
-# old console skip-if = e10s # Bug 1042253 - webconsole e10s tests (Linux debug timeout)
 [browser_webconsole_keyboard_accessibility.js]
 [browser_webconsole_location_debugger_link.js]
 [browser_webconsole_location_scratchpad_link.js]

devtools/client/webconsole/new-console-output/test/mochitest/browser_jsterm_document_no_xray.js

@@ -0,0 +1,17 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_URI = "data:text/html,Test evaluating document";
+
+add_task(async function () {
+  const hud = await openNewTabAndConsole(TEST_URI);
+  const {jsterm} = hud;
+
+  // check for occurrences of Object XRayWrapper, bug 604430
+  const onMessage = waitForMessage(hud, "HTMLDocument");
+  jsterm.execute("document");
+  const {node} = await onMessage;
+  is(node.textContent.includes("xray"), false, "document - no XrayWrapper");
+});

devtools/client/webconsole/new-console-output/test/mochitest/browser_jsterm_error_docs.js

@@ -0,0 +1,33 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_URI = "data:text/html,Test error documentation";
+
+add_task(async function () {
+  const hud = await openNewTabAndConsole(TEST_URI);
+  const {jsterm} = hud;
+
+  // Check that errors with entries in errordocs.js display links next to their messages.
+  const ErrorDocs = require("devtools/server/actors/errordocs");
+
+  const ErrorDocStatements = {
+    "JSMSG_BAD_RADIX": "(42).toString(0);",
+    "JSMSG_BAD_ARRAY_LENGTH": "([]).length = -1",
+    "JSMSG_NEGATIVE_REPETITION_COUNT": "'abc'.repeat(-1);",
+    "JSMSG_PRECISION_RANGE": "77.1234.toExponential(-1);",
+  };
+
+  for (let [errorMessageName, expression] of Object.entries(ErrorDocStatements)) {
+    let title = ErrorDocs.GetURL({ errorMessageName }).split("?")[0];
+
+    jsterm.clearOutput();
+    const onMessage = waitForMessage(hud, "RangeError:")
+    jsterm.execute(expression);
+    const {node} = await onMessage;
+    const learnMoreLink = node.querySelector(".learn-more-link");
+    ok(learnMoreLink, `There is a [Learn More] link for "${errorMessageName}" error`);
+    is(learnMoreLink.title, title, `The link has the expected "${title}" title`);
+  }
+});

devtools/client/webconsole/new-console-output/test/mochitest/browser_jsterm_error_outside_valid_range.js

@@ -0,0 +1,21 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Ensure that dom errors, with error numbers outside of the range
+// of valid js.msg errors, don't cause crashes (See Bug 1270721).
+
+const TEST_URI = "data:text/html,Test error documentation";
+
+add_task(async function () {
+  const hud = await openNewTabAndConsole(TEST_URI);
+  const {jsterm} = hud;
+
+  const text = "TypeError: 'redirect' member of RequestInit 'foo' is not a valid value " +
+               "for enumeration RequestRedirect";
+  const onErrorMessage =  waitForMessage(hud, text, ".message.error");
+  jsterm.execute("new Request('',{redirect:'foo'})");
+  await onErrorMessage;
+  ok(true, "Error message displayed as expected, without crashing the console.");
+});

devtools/client/webconsole/new-console-output/test/mochitest/browser_jsterm_helper_dollar.js

@@ -0,0 +1,41 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_URI = `data:text/html,
+<main>
+  <ul>
+    <li>First</li>
+    <li>Second</li>
+  </ul>
+  <aside>Sidebar</aside>
+</main>
+`;
+
+add_task(async function () {
+  const hud = await openNewTabAndConsole(TEST_URI);
+  const jsterm = hud.jsterm;
+
+  let onMessage = waitForMessage(hud, "<main>");
+  jsterm.execute("$('main')");
+  let message = await onMessage;
+  ok(message, "`$('main')` worked");
+
+  onMessage = waitForMessage(hud, "<li>");
+  jsterm.execute("$('main > ul > li')");
+  message = await onMessage;
+  ok(message, "`$('main > ul > li')` worked");
+
+  onMessage = waitForMessage(hud, "LI");
+  jsterm.execute("$('main > ul > li').tagName");
+  message = await onMessage;
+  ok(message, "`$` result can be used right away");
+
+  onMessage = waitForMessage(hud, "null");
+  jsterm.execute("$('div')");
+  message = await onMessage;
+  ok(message, "`$('div')` does return null");
+});

devtools/client/webconsole/new-console-output/test/mochitest/browser_jsterm_helper_dollar_dollar.js

@@ -0,0 +1,41 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_URI = `data:text/html,
+<main>
+  <ul>
+    <li>First</li>
+    <li>Second</li>
+  </ul>
+  <aside>Sidebar</aside>
+</main>
+`;
+
+add_task(async function () {
+  const hud = await openNewTabAndConsole(TEST_URI);
+  const jsterm = hud.jsterm;
+
+  let onMessage = waitForMessage(hud, "Array [ main ]");
+  jsterm.execute("$$('main')");
+  let message = await onMessage;
+  ok(message, "`$$('main')` worked");
+
+  onMessage = waitForMessage(hud, "Array [ li, li ]");
+  jsterm.execute("$$('main > ul > li')");
+  message = await onMessage;
+  ok(message, "`$$('main > ul > li')` worked");
+
+  onMessage = waitForMessage(hud, "LI - LI");
+  jsterm.execute("$$('main > ul > li').map(el => el.tagName).join(' - ')");
+  message = await onMessage;
+  ok(message, "`$$` result can be used right away");
+
+  onMessage = waitForMessage(hud, "Array []");
+  jsterm.execute("$$('div')");
+  message = await onMessage;
+  ok(message, "`$$('div')` returns an empty array");
+});

devtools/client/webconsole/new-console-output/test/mochitest/browser_jsterm_helper_dollar_x.js

@@ -0,0 +1,31 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_URI = `data:text/html,
+<main>
+  <ul>
+    <li>First</li>
+    <li>Second</li>
+  </ul>
+  <aside>Sidebar</aside>
+</main>
+`;
+
+add_task(async function () {
+  const hud = await openNewTabAndConsole(TEST_URI);
+  const jsterm = hud.jsterm;
+
+  let onMessage = waitForMessage(hud, "Array [ li, li ]");
+  jsterm.execute("$x('.//li')");
+  let message = await onMessage;
+  ok(message, "`$x` worked");
+
+  onMessage = waitForMessage(hud, "<li>");
+  jsterm.execute("$x('.//li', document.body)[0]");
+  message = await onMessage;
+  ok(message, "`$x()` result can be used right away");
+});

devtools/client/webconsole/new-console-output/test/mochitest/browser_jsterm_helper_help.js

@@ -0,0 +1,31 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_URI = "data:text/html,Test <code>help()</code> jsterm helper";
+const HELP_URL = "https://developer.mozilla.org/docs/Tools/Web_Console/Helpers";
+
+add_task(async function () {
+  const hud = await openNewTabAndConsole(TEST_URI);
+  const jsterm = hud.jsterm;
+
+  let openedLinks = 0;
+  let oldOpenLink = hud.openLink;
+  hud.openLink = (url) => {
+    if (url == HELP_URL) {
+      openedLinks++;
+    }
+  };
+
+  jsterm.clearOutput();
+  await jsterm.execute("help()");
+  await jsterm.execute("help");
+  await jsterm.execute("?");
+
+  let messages = Array.from(jsterm.outputNode.querySelectorAll(".message"));
+  ok(messages.every(msg => msg.classList.contains("command")),
+    "There is no results shown for the help commands");
+  is(openedLinks, 3, "correct number of pages opened by the help calls");
+  hud.openLink = oldOpenLink;
+});

devtools/client/webconsole/new-console-output/test/mochitest/browser_jsterm_helper_keys_values.js

@@ -0,0 +1,27 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_URI =
+  "data:text/html,Test <code>keys()</code> & <code>values()</code> jsterm helper";
+
+add_task(async function () {
+  const hud = await openNewTabAndConsole(TEST_URI);
+  const jsterm = hud.jsterm;
+
+  let onMessage = waitForMessage(hud, `Array [ "a", "b" ]`);
+  jsterm.execute("keys({a: 2, b:1})");
+  let message = await onMessage;
+  ok(message, "`keys()` worked");
+
+  onMessage = waitForMessage(hud, "Array [ 2, 1 ]");
+  jsterm.execute("values({a: 2, b:1})");
+  message = await onMessage;
+  ok(message, "`values()` worked");
+
+  onMessage = waitForMessage(hud, "Array");
+  jsterm.execute("keys(window)");
+  message = await onMessage;
+  ok(message, "`keys(window)` worked");
+});

devtools/client/webconsole/new-console-output/test/mochitest/browser_jsterm_helper_pprint.js

@@ -0,0 +1,34 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_URI = "data:text/html,Test <code>pprint()</code> jsterm helper";
+
+add_task(async function () {
+  const hud = await openNewTabAndConsole(TEST_URI);
+  const {jsterm} = hud;
+
+  let onMessage = waitForMessage(hud, `"  b: 2\n  a: 1"`);
+  jsterm.execute("pprint({b:2, a:1})");
+  let message = await onMessage;
+  ok(message, "`pprint()` worked");
+
+  // check that pprint(window) does not throw (see Bug 608358).
+  onMessage = waitForMessage(hud, `window:`);
+  jsterm.execute("pprint(window)");
+  message = await onMessage;
+  ok(message, "`pprint(window)` worked");
+
+  // check that calling pprint with a string does not throw (See Bug 614561).
+  onMessage = waitForMessage(hud, `"  0: \\"h\\"\n  1: \\"i\\""`);
+  jsterm.execute("pprint('hi')");
+  message = await onMessage;
+  ok(message, "`pprint('hi')` worked");
+
+  // check that pprint(function) shows function source (See Bug 618344).
+  onMessage = waitForMessage(hud, `"function() { var someCanaryValue = 42; }`);
+  jsterm.execute("pprint(function() { var someCanaryValue = 42; })");
+  message = await onMessage;
+  ok(message, "`pprint(function)` shows function source");
+});

devtools/client/webconsole/new-console-output/test/mochitest/browser_jsterm_instance_of.js

@@ -0,0 +1,27 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Check instanceof correctness. See Bug 599940.
+const TEST_URI = "data:text/html,Test <code>instanceof</code> evaluation";
+
+add_task(async function () {
+  const hud = await openNewTabAndConsole(TEST_URI);
+  const {jsterm} = hud;
+
+  let onMessage = waitForMessage(hud, "true");
+  jsterm.execute("[] instanceof Array");
+  let message = await onMessage;
+  ok(message, "`instanceof Array` is correct");
+
+  onMessage = waitForMessage(hud, "true");
+  jsterm.execute("({}) instanceof Object");
+  message = await onMessage;
+  ok(message, "`instanceof Object` is correct");
+
+  onMessage = waitForMessage(hud, "false");
+  jsterm.execute("({}) instanceof Array");
+  message = await onMessage;
+  ok(message, "`instanceof Array` has expected result");
+});

devtools/client/webconsole/new-console-output/test/mochitest/browser_jsterm_null_undefined.js

@@ -0,0 +1,23 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_URI =
+  "data:text/html,Test evaluating null and undefined";
+
+add_task(async function () {
+  const hud = await openNewTabAndConsole(TEST_URI);
+  const jsterm = hud.jsterm;
+
+  // Check that an evaluated null produces "null". See Bug 650780.
+  let onMessage = waitForMessage(hud, `null`);
+  jsterm.execute("null");
+  let message = await onMessage;
+  ok(message, "`null` returned the expected value");
+
+  onMessage = waitForMessage(hud, "undefined");
+  jsterm.execute("undefined");
+  message = await onMessage;
+  ok(message, "`undefined` returned the expected value");
+});

devtools/client/webconsole/new-console-output/test/mochitest/browser_webconsole_jsterm.js

@@ -1,194 +0,0 @@
-/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
-/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/ */
-
-"use strict";
-
-const TEST_URI = "http://example.com/browser/devtools/client/webconsole/" +
-                 "test/test-console.html";
-
-var jsterm;
-
-add_task(function* () {
-  yield loadTab(TEST_URI);
-  let hud = yield openConsole();
-  jsterm = hud.jsterm;
-  yield testJSTerm(hud);
-  jsterm = null;
-});
-
-function checkResult(msg, desc) {
-  let def = defer();
-  waitForMessages({
-    webconsole: jsterm.hud.owner,
-    messages: [{
-      name: desc,
-      category: CATEGORY_OUTPUT,
-    }],
-  }).then(([result]) => {
-    let node = [...result.matched][0].querySelector(".message-body");
-    if (typeof msg == "string") {
-      is(node.textContent.trim(), msg,
-        "correct message shown for " + desc);
-    } else if (typeof msg == "function") {
-      ok(msg(node), "correct message shown for " + desc);
-    }
-
-    def.resolve();
-  });
-  return def.promise;
-}
-
-function* testJSTerm(hud) {
-  const HELP_URL = "https://developer.mozilla.org/docs/Tools/" +
-                   "Web_Console/Helpers";
-
-  jsterm.clearOutput();
-  yield jsterm.execute("$('#header').getAttribute('id')");
-  yield checkResult('"header"', "$() worked");
-
-  jsterm.clearOutput();
-  yield jsterm.execute("$$('h1').length");
-  yield checkResult("1", "$$() worked");
-
-  jsterm.clearOutput();
-  yield jsterm.execute("$x('.//*', document.body)[0] == $$('h1')[0]");
-  yield checkResult("true", "$x() worked");
-
-  // no jsterm.clearOutput() here as we clear the output using the clear() fn.
-  yield jsterm.execute("clear()");
-
-  yield waitForSuccess({
-    name: "clear() worked",
-    validator: function () {
-      return jsterm.outputNode.childNodes.length == 0;
-    }
-  });
-
-  jsterm.clearOutput();
-  yield jsterm.execute("keys({b:1})[0] == 'b'");
-  yield checkResult("true", "keys() worked", 1);
-
-  jsterm.clearOutput();
-  yield jsterm.execute("values({b:1})[0] == 1");
-  yield checkResult("true", "values() worked", 1);
-
-  jsterm.clearOutput();
-
-  let openedLinks = 0;
-  let oldOpenLink = hud.openLink;
-  hud.openLink = (url) => {
-    if (url == HELP_URL) {
-      openedLinks++;
-    }
-  };
-
-  yield jsterm.execute("help()");
-  yield jsterm.execute("help");
-  yield jsterm.execute("?");
-
-  let output = jsterm.outputNode.querySelector(".message[category='output']");
-  ok(!output, "no output for help() calls");
-  is(openedLinks, 3, "correct number of pages opened by the help calls");
-  hud.openLink = oldOpenLink;
-
-  jsterm.clearOutput();
-  yield jsterm.execute("pprint({b:2, a:1})");
-  yield checkResult("\"  b: 2\n  a: 1\"", "pprint()");
-
-  // check instanceof correctness, bug 599940
-  jsterm.clearOutput();
-  yield jsterm.execute("[] instanceof Array");
-  yield checkResult("true", "[] instanceof Array == true");
-
-  jsterm.clearOutput();
-  yield jsterm.execute("({}) instanceof Object");
-  yield checkResult("true", "({}) instanceof Object == true");
-
-  // check for occurrences of Object XRayWrapper, bug 604430
-  jsterm.clearOutput();
-  yield jsterm.execute("document");
-  yield checkResult(function (node) {
-    return node.textContent.search(/\[object xraywrapper/i) == -1;
-  }, "document - no XrayWrapper");
-
-  // check that pprint(window) and keys(window) don't throw, bug 608358
-  jsterm.clearOutput();
-  yield jsterm.execute("pprint(window)");
-  yield checkResult(null, "pprint(window)");
-
-  jsterm.clearOutput();
-  yield jsterm.execute("keys(window)");
-  yield checkResult(null, "keys(window)");
-
-  // bug 614561
-  jsterm.clearOutput();
-  yield jsterm.execute("pprint('hi')");
-  yield checkResult("\"  0: \"h\"\n  1: \"i\"\"", "pprint('hi')");
-
-  // check that pprint(function) shows function source, bug 618344
-  jsterm.clearOutput();
-  yield jsterm.execute("pprint(function() { var someCanaryValue = 42; })");
-  yield checkResult(function (node) {
-    return node.textContent.indexOf("someCanaryValue") > -1;
-  }, "pprint(function) shows source");
-
-  // check that an evaluated null produces "null", bug 650780
-  jsterm.clearOutput();
-  yield jsterm.execute("null");
-  yield checkResult("null", "null is null");
-
-  jsterm.clearOutput();
-  yield jsterm.execute("undefined");
-  yield checkResult("undefined", "undefined is printed");
-
-  // check that thrown strings produce error messages,
-  // and the message text matches that of a stringified error object
-  // bug 1099071
-  jsterm.clearOutput();
-  yield jsterm.execute("throw '';");
-  yield checkResult((node) => {
-    return node.closest(".message").getAttribute("severity") === "error" &&
-      node.textContent === new Error("").toString();
-  }, "thrown empty string generates error message");
-
-  jsterm.clearOutput();
-  yield jsterm.execute("throw 'tomatoes';");
-  yield checkResult((node) => {
-    return node.closest(".message").getAttribute("severity") === "error" &&
-      node.textContent === new Error("tomatoes").toString();
-  }, "thrown non-empty string generates error message");
-
-  jsterm.clearOutput();
-  yield jsterm.execute("throw { foo: 'bar' };");
-  yield checkResult((node) => {
-    return node.closest(".message").getAttribute("severity") === "error" &&
-      node.textContent === Object.prototype.toString();
-  }, "thrown object generates error message");
-
-  // check that errors with entires in errordocs.js display links
-  // alongside their messages.
-  const ErrorDocs = require("devtools/server/actors/errordocs");
-
-  const ErrorDocStatements = {
-    "JSMSG_BAD_RADIX": "(42).toString(0);",
-    "JSMSG_BAD_ARRAY_LENGTH": "([]).length = -1",
-    "JSMSG_NEGATIVE_REPETITION_COUNT": "'abc'.repeat(-1);",
-    "JSMSG_PRECISION_RANGE": "77.1234.toExponential(-1);",
-  };
-
-  for (let errorMessageName of Object.keys(ErrorDocStatements)) {
-    let title = ErrorDocs.GetURL({ errorMessageName }).split("?")[0];
-
-    jsterm.clearOutput();
-    yield jsterm.execute(ErrorDocStatements[errorMessageName]);
-    yield checkResult((node) => {
-      return node.parentNode.getElementsByTagName("a")[0].title == title;
-    }, `error links to ${title}`);
-  }
-
-  // Ensure that dom errors, with error numbers outside of the range
-  // of valid js.msg errors, don't cause crashes (bug 1270721).
-  yield jsterm.execute("new Request('',{redirect:'foo'})");
-}