The Tor Browser: toolkit/components/aboutmemory/tests/test_aboutmemory4.xul@925c144e1f1f (annotated)

toolkit/components/aboutmemory/tests/test_aboutmemory4.xul@925c144e1f1f (annotated)

toolkit/components/aboutmemory/tests/test_aboutmemory4.xul

Fri, 16 Jan 2015 18:13:44 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Fri, 16 Jan 2015 18:13:44 +0100
branch: TOR_BUG_9701
changeset 14: 925c144e1f1f
permissions: -rw-r--r--

Integrate suggestion from review to improve consistency with existing code.

 <?xml version="1.0"?>
 <?xml-stylesheet type="text/css" href="chrome://global/skin"?>
 <?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
 <window title="about:memory"
         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
   <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
   <script type="text/javascript" src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>
   <!-- This file tests the loading of memory reports from file when specified
        in about:memory's URL (via the "file=" suffix). -->
   <!-- test results are displayed in the html:body -->
   <body xmlns="http://www.w3.org/1999/xhtml"></body>
   <!-- test code goes here -->
   <script type="application/javascript">
   <![CDATA[
   "use strict";
   function makePathname(aFilename) {
     let file = Components.classes["@mozilla.org/file/directory_service;1"]
                .getService(Components.interfaces.nsIProperties)
                .get("CurWorkD", Components.interfaces.nsIFile);
     file.append("chrome");
     file.append("toolkit");
     file.append("components");
     file.append("aboutmemory");
     file.append("tests");
     file.append(aFilename);
     return file.path;
   }
   // Load the given file into the frame, then copy+paste the entire frame and
   // check that the cut text matches what we expect.
   function test(aFilename, aExpected, aNext) {
     let frame = document.createElementNS("http://www.w3.org/1999/xhtml", "iframe")
     frame.height = 300;
     frame.src = "about:memory?file=" + makePathname(aFilename);
     document.documentElement.appendChild(frame);
     frame.focus();
     // Initialize the clipboard contents.
     SpecialPowers.clipboardCopyString("initial clipboard value");
     let numFailures = 0, maxFailures = 30;
     // Because the file load is async, we don't know when it will finish and
     // the output will show up.  So we poll.
     function copyPasteAndCheck() {
       // Copy and paste frame contents, and filter out non-deterministic
       // differences.
       synthesizeKey("A", {accelKey: true});
       synthesizeKey("C", {accelKey: true});
       let actual = SpecialPowers.getClipboardData("text/unicode");
       actual = actual.replace(/\(pid \d+\)/, "(pid NNN)");
       if (actual === aExpected) {
         SimpleTest.ok(true, "Clipboard has the expected contents");
         aNext();
       } else {
         numFailures++;
         if (numFailures === maxFailures) {
           ok(false, "pasted text doesn't match");
           dump("******EXPECTED******\n");
           dump(aExpected);
           dump("*******ACTUAL*******\n");
           dump(actual);
           dump("********************\n");
           SimpleTest.finish();
         } else {
           setTimeout(copyPasteAndCheck, 100);
         }
       }
     }
     copyPasteAndCheck();
   }
   // Returns a function that chains together multiple test() calls.
   function chain(aFrameIds) {
     let x = aFrameIds.shift();
     if (x) {
       return function() { test(x.filename, x.expected, chain(aFrameIds)); }
     } else {
       return function() { SimpleTest.finish(); };
     }
   }
   // This is pretty simple output, but that's ok;  this file is about testing
   // the loading of data from file.  If we got this far, we're doing fine.
   let expectedGood =
 "\
 Explicit-only process\n\
 \n\
 WARNING: the 'heap-allocated' memory reporter does not work for this platform and/or configuration. This means that 'heap-unclassified' is not shown and the 'explicit' tree shows less memory than it should.\n\
 Explicit Allocations\n\
 \n\
 .10 MB (100.0%) -- explicit\n\
 └──0.10 MB (100.0%) ── a/b\n\
 \n\
 Other Measurements\n\
 \n\
 End of Explicit-only process\n\
 Main Process (pid NNN)\n\
 Explicit Allocations\n\
 \n\
 .00 MB (100.0%) -- explicit\n\
 ├──200.00 MB (80.00%) ── heap-unclassified\n\
 └───50.00 MB (20.00%) ── a/b\n\
 \n\
 Other Measurements\n\
 \n\
 .00 MB (100.0%) -- compartments\n\
 └──0.00 MB (100.0%) ── system/a\n\
 \n\
 .00 MB (100.0%) -- ghost-windows\n\
 └──0.00 MB (100.0%) ── a\n\
 \n\
 .30 MB (100.0%) -- other\n\
 ├──0.20 MB (66.67%) ── a\n\
 └──0.10 MB (33.33%) ── b\n\
 \n\
 .00 MB (100.0%) -- pss\n\
 └──0.00 MB (100.0%) ── a\n\
 \n\
 .00 MB (100.0%) -- rss\n\
 └──0.00 MB (100.0%) ── a\n\
 \n\
 .00 MB (100.0%) -- size\n\
 └──0.00 MB (100.0%) ── a\n\
 \n\
 .00 MB (100.0%) -- swap\n\
 └──0.00 MB (100.0%) ── a\n\
 \n\
 .00 MB ── heap-allocated\n\
 \n\
 End of Main Process (pid NNN)\n\
 Other-only process\n\
 Other Measurements\n\
 \n\
 .19 MB (100.0%) -- a\n\
 ├──0.10 MB (50.00%) ── b\n\
 └──0.10 MB (50.00%) ── c\n\
 \n\
 .48 MB ── heap-allocated\n\
 \n\
 End of Other-only process\n\
 ";
   // This is the output for a malformed data file.
   let expectedBad =
 "\
 Invalid memory report(s): missing 'hasMozMallocUsableSize' property";
   let frames = [
     // This loads a pre-existing file that is valid.
     { filename: "memory-reports-good.json", expected: expectedGood },
     // This loads a pre-existing file that is valid.
     { filename: "memory-reports-bad.json", expected: expectedBad }
   ];
   SimpleTest.waitForFocus(chain(frames));
   SimpleTest.waitForExplicitFinish();
   ]]>
   </script>
 </window>

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toolkit/components/aboutmemory/tests/test_aboutmemory4.xul@925c144e1f1f (annotated)

toolkit/components/aboutmemory/tests/test_aboutmemory4.xul