78 lines
2.7 KiB
JavaScript
78 lines
2.7 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/publicdomain/zero/1.0/ */
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"use strict";
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// ------------------------------------------------------------------------------
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// Requirements
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// ------------------------------------------------------------------------------
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var rule = require("../lib/rules/use-chromeutils-generateqi");
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var RuleTester = require("eslint/lib/testers/rule-tester");
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const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
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// ------------------------------------------------------------------------------
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// Tests
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// ------------------------------------------------------------------------------
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function callError(message) {
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return [{message, type: "CallExpression"}];
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}
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function error(message, type) {
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return [{message, type}];
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}
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const MSG_NO_JS_QUERY_INTERFACE = (
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"Please use ChromeUtils.generateQI rather than manually creating " +
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"JavaScript QueryInterface functions");
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const MSG_NO_XPCOMUTILS_GENERATEQI = (
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"Please use ChromeUtils.generateQI instead of XPCOMUtils.generateQI");
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function QueryInterface(iid) {
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/* globals nsIFlug */
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if (iid.equals(Ci.nsISupports) ||
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iid.equals(Ci.nsIMeh) ||
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iid.equals(nsIFlug) ||
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iid.equals(Ci.amIFoo)) {
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return this;
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}
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throw Cr.NS_ERROR_NO_INTERFACE;
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}
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ruleTester.run("use-chromeutils-generateqi", rule, {
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valid: [
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`X.prototype.QueryInterface = ChromeUtils.generateQI(["nsIMeh"]);`,
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`X.prototype = { QueryInterface: ChromeUtils.generateQI(["nsIMeh"]) }`
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],
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invalid: [
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{
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code: `X.prototype.QueryInterface = XPCOMUtils.generateQI(["nsIMeh"]);`,
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output: `X.prototype.QueryInterface = ChromeUtils.generateQI(["nsIMeh"]);`,
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errors: callError(MSG_NO_XPCOMUTILS_GENERATEQI)
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},
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{
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code: `X.prototype = { QueryInterface: XPCOMUtils.generateQI(["nsIMeh"]) };`,
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output: `X.prototype = { QueryInterface: ChromeUtils.generateQI(["nsIMeh"]) };`,
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errors: callError(MSG_NO_XPCOMUTILS_GENERATEQI)
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},
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{
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code: `X.prototype = { QueryInterface: ${QueryInterface} };`,
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output: `X.prototype = { QueryInterface: ChromeUtils.generateQI(["nsIMeh", "nsIFlug", "amIFoo"]) };`,
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errors: error(MSG_NO_JS_QUERY_INTERFACE, "Property")
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},
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{
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code: `X.prototype = { ${String(QueryInterface).replace(/^function /, "")} };`,
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output: `X.prototype = { QueryInterface: ChromeUtils.generateQI(["nsIMeh", "nsIFlug", "amIFoo"]) };`,
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errors: error(MSG_NO_JS_QUERY_INTERFACE, "Property")
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},
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{
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code: `X.prototype.QueryInterface = ${QueryInterface};`,
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output: `X.prototype.QueryInterface = ChromeUtils.generateQI(["nsIMeh", "nsIFlug", "amIFoo"]);`,
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errors: error(MSG_NO_JS_QUERY_INTERFACE, "AssignmentExpression")
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}
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]
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});
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