Backed out 3 changesets (bug 1754015, bug 1754012) for causing failures on test_nsIX509CertValidity.js. CLOSED TREE

Backed out changeset 6928edee3bbc (bug 1754012)
Backed out changeset 6792032bd169 (bug 1754012)
Backed out changeset 8f11731d9aee (bug 1754015)

testing/modules/Assert.jsm

@@ -515,8 +515,8 @@ proto.rejects = function(promise, expected, message) {
 };
 
 function compareNumbers(expression, lhs, rhs, message, operator) {
-  let lhsIsNumber = typeof lhs == "number" && !Number.isNaN(lhs);
-  let rhsIsNumber = typeof rhs == "number" && !Number.isNaN(rhs);
+  let lhsIsNumber = typeof lhs == "number";
+  let rhsIsNumber = typeof rhs == "number";
 
   if (lhsIsNumber && rhsIsNumber) {
     this.report(expression, lhs, rhs, message, operator);

testing/modules/tests/xpcshell/test_assert.js

@@ -409,20 +409,6 @@ function run_test() {
   }
   assert.equal(message, "AssertionError: 2 <= 1");
 
-  try {
-    assert.greater(NaN, 0);
-  } catch (e) {
-    message = e.toString().split("\n")[0];
-  }
-  assert.equal(message, "AssertionError: 'NaN' is not a number");
-
-  try {
-    assert.greater(0, NaN);
-  } catch (e) {
-    message = e.toString().split("\n")[0];
-  }
-  assert.equal(message, "AssertionError: 'NaN' is not a number");
-
   /* ---- stringMatches ---- */
   assert.stringMatches("hello world", /llo\s/);
   assert.stringMatches("hello world", "llo\\s");

toolkit/components/processtools/tests/browser/browser_test_procinfo.js

@@ -11,39 +11,13 @@ const DUMMY_URL =
 const { AppConstants } = ChromeUtils.import(
   "resource://gre/modules/AppConstants.jsm"
 );
+const MAC = AppConstants.platform == "macosx";
 const HAS_THREAD_NAMES =
   AppConstants.platform != "win" ||
   AppConstants.isPlatformAndVersionAtLeast("win", 10);
 const isFissionEnabled = SpecialPowers.useRemoteSubframes;
 
 const SAMPLE_SIZE = 10;
-const NS_PER_MS = 1000000;
-
-function checkProcessCpuTime(proc) {
-  Assert.greater(proc.cpuTime, 0, "Got some cpu time");
-
-  let cpuThreads = 0;
-  for (let thread of proc.threads) {
-    cpuThreads += Math.floor(thread.cpuTime / NS_PER_MS);
-  }
-  Assert.greater(cpuThreads, 0, "Got some cpu time in the threads");
-  let processCpuTime = Math.ceil(proc.cpuTime / NS_PER_MS);
-  if (AppConstants.platform == "win" && processCpuTime < cpuThreads) {
-    // On Windows, our test jobs likely run in VMs without constant TSC,
-    // so we might have low precision CPU time measurements.
-    const MAX_DISCREPENCY = 100;
-    Assert.ok(
-      cpuThreads - processCpuTime < MAX_DISCREPENCY,
-      `on Windows, we accept a discrepency of up to ${MAX_DISCREPENCY}ms between the process CPU time and the sum of its threads' CPU time, process CPU time: ${processCpuTime}, sum of thread CPU time: ${cpuThreads}`
-    );
-  } else {
-    Assert.greaterOrEqual(
-      processCpuTime,
-      cpuThreads,
-      "The total CPU time of the process should be at least the sum of the CPU time spent by the still alive threads"
-    );
-  }
-}
 
 add_task(async function test_proc_info() {
   // Open a few `about:home` tabs, they'll end up in `privilegedabout`.
@@ -58,9 +32,13 @@ add_task(async function test_proc_info() {
   await BrowserTestUtils.withNewTab(
     { gBrowser, url: DUMMY_URL },
     async function(browser) {
+      let cpuThreads = 0;
+      let cpuUser = 0;
+
       // We test `SAMPLE_SIZE` times to increase a tad the chance of encountering race conditions.
       for (let z = 0; z < SAMPLE_SIZE; z++) {
         let parentProc = await ChromeUtils.requestProcInfo();
+        cpuUser += parentProc.cpuUser;
 
         Assert.equal(
           parentProc.type,
@@ -68,7 +46,9 @@ add_task(async function test_proc_info() {
           "Parent proc type should be browser"
         );
 
-        checkProcessCpuTime(parentProc);
+        for (var x = 0; x < parentProc.threads.length; x++) {
+          cpuThreads += parentProc.threads[x].cpuUser;
+        }
 
         // Under Windows, thread names appeared with Windows 10.
         if (HAS_THREAD_NAMES) {
@@ -86,7 +66,8 @@ add_task(async function test_proc_info() {
         // that don't care whether we have a race condition and once to test that at
         // least one well-known process that should not be able to vanish during
         // the test respects all the invariants.
-        for (let childProc of parentProc.children) {
+        for (var i = 0; i < parentProc.children.length; i++) {
+          let childProc = parentProc.children[i];
           Assert.notEqual(
             childProc.type,
             "browser",
@@ -115,14 +96,18 @@ add_task(async function test_proc_info() {
             );
           }
 
-          checkProcessCpuTime(childProc);
+          for (var y = 0; y < childProc.threads.length; y++) {
+            cpuThreads += childProc.threads[y].cpuUser;
+          }
+          cpuUser += childProc.cpuUser;
         }
 
         // We only check other properties on the `privilegedabout` subprocess, which
         // as of this writing is always active and available.
         var hasPrivilegedAbout = false;
         var numberOfAboutTabs = 0;
-        for (let childProc of parentProc.children) {
+        for (i = 0; i < parentProc.children.length; i++) {
+          let childProc = parentProc.children[i];
           if (childProc.type != "privilegedabout") {
             continue;
           }
@@ -159,6 +144,11 @@ add_task(async function test_proc_info() {
           "We have found the privileged about process"
         );
       }
+      // see https://bugzilla.mozilla.org/show_bug.cgi?id=1529023
+      if (!MAC) {
+        Assert.greater(cpuThreads, 0, "Got some cpu time in the threads");
+      }
+      Assert.greater(cpuUser, 0, "Got some cpu time");
 
       for (let tab of tabsAboutHome) {
         BrowserTestUtils.removeTab(tab);