toolkit/devtools/pretty-fast/tests/unit/head_pretty-fast.js

changeset 0
6474c204b198
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-1:000000000000 0:3da5c80316e9
1 "use strict";
2 const Cc = Components.classes;
3 const Ci = Components.interfaces;
4 const Cu = Components.utils;
5 const Cr = Components.results;
6
7 const { devtools } = Cu.import("resource://gre/modules/devtools/Loader.jsm", {});
8 const { require } = devtools;
9
10 this.sourceMap = require("source-map");
11 this.acorn = require("acorn/acorn");
12 this.prettyFast = require("devtools/pretty-fast");
13 const { console } = Cu.import("resource://gre/modules/devtools/Console.jsm", {});
14
15 // Register a console listener, so console messages don't just disappear
16 // into the ether.
17 let errorCount = 0;
18 let listener = {
19 observe: function (aMessage) {
20 errorCount++;
21 try {
22 // If we've been given an nsIScriptError, then we can print out
23 // something nicely formatted, for tools like Emacs to pick up.
24 var scriptError = aMessage.QueryInterface(Ci.nsIScriptError);
25 dump(aMessage.sourceName + ":" + aMessage.lineNumber + ": " +
26 scriptErrorFlagsToKind(aMessage.flags) + ": " +
27 aMessage.errorMessage + "\n");
28 var string = aMessage.errorMessage;
29 } catch (x) {
30 // Be a little paranoid with message, as the whole goal here is to lose
31 // no information.
32 try {
33 var string = "" + aMessage.message;
34 } catch (x) {
35 var string = "<error converting error message to string>";
36 }
37 }
38
39 do_throw("head_pretty-fast.js got console message: " + string + "\n");
40 }
41 };
42
43 let consoleService = Cc["@mozilla.org/consoleservice;1"].getService(Ci.nsIConsoleService);
44 consoleService.registerListener(listener);
45

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