1 files changed, 0 insertions, 102 deletions
diff --git a/toolkit/components/telemetry/tests/unit/test_ThreadHangStats.js b/toolkit/components/telemetry/tests/unit/test_ThreadHangStats.js
deleted file mode 100644
index e8c9f868ab..0000000000
--- a/toolkit/components/telemetry/tests/unit/test_ThreadHangStats.js
+++ /dev/null
@@ -1,102 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
-   http://creativecommons.org/publicdomain/zero/1.0/ */
-
-Cu.import("resource://gre/modules/Services.jsm");
-
-function getMainThreadHangStats() {
-  let threads = Services.telemetry.threadHangStats;
-  return threads.find((thread) => (thread.name === "Gecko"));
-}
-
-function run_test() {
-  let startHangs = getMainThreadHangStats();
-
-  // We disable hang reporting in several situations (e.g. debug builds,
-  // official releases). In those cases, we don't have hang stats available
-  // and should exit the test early.
-  if (!startHangs) {
-    ok("Hang reporting not enabled.");
-    return;
-  }
-
-  if (Services.appinfo.OS === 'Linux' || Services.appinfo.OS === 'Android') {
-    // We use the rt_tgsigqueueinfo syscall on Linux which requires a
-    // certain kernel version. It's not an error if the system running
-    // the test is older than that.
-    let kernel = Services.sysinfo.get('kernel_version') ||
-                 Services.sysinfo.get('version');
-    if (Services.vc.compare(kernel, '2.6.31') < 0) {
-      ok("Hang reporting not supported for old kernel.");
-      return;
-    }
-  }
-
-  // Run three events in the event loop:
-  // the first event causes a transient hang;
-  // the second event causes a permanent hang;
-  // the third event checks results from previous events.
-
-  do_execute_soon(() => {
-    // Cause a hang lasting 1 second (transient hang).
-    let startTime = Date.now();
-    while ((Date.now() - startTime) < 1000);
-  });
-
-  do_execute_soon(() => {
-    // Cause a hang lasting 10 seconds (permanent hang).
-    let startTime = Date.now();
-    while ((Date.now() - startTime) < 10000);
-  });
-
-  do_execute_soon(() => {
-    do_test_pending();
-
-    let check_results = () => {
-      let endHangs = getMainThreadHangStats();
-
-      // Because hangs are recorded asynchronously, if we don't see new hangs,
-      // we should wait for pending hangs to be recorded. On the other hand,
-      // if hang monitoring is broken, this test will time out.
-      if (endHangs.hangs.length === startHangs.hangs.length) {
-        do_timeout(100, check_results);
-        return;
-      }
-
-      let check_histogram = (histogram) => {
-        equal(typeof histogram, "object");
-        equal(histogram.histogram_type, 0);
-        equal(typeof histogram.min, "number");
-        equal(typeof histogram.max, "number");
-        equal(typeof histogram.sum, "number");
-        ok(Array.isArray(histogram.ranges));
-        ok(Array.isArray(histogram.counts));
-        equal(histogram.counts.length, histogram.ranges.length);
-      };
-
-      // Make sure the hang stats structure is what we expect.
-      equal(typeof endHangs, "object");
-      check_histogram(endHangs.activity);
-
-      ok(Array.isArray(endHangs.hangs));
-      notEqual(endHangs.hangs.length, 0);
-
-      ok(Array.isArray(endHangs.hangs[0].stack));
-      notEqual(endHangs.hangs[0].stack.length, 0);
-      equal(typeof endHangs.hangs[0].stack[0], "string");
-
-      // Make sure one of the hangs is a permanent
-      // hang containing a native stack.
-      ok(endHangs.hangs.some((hang) => (
-        Array.isArray(hang.nativeStack) &&
-        hang.nativeStack.length !== 0 &&
-        typeof hang.nativeStack[0] === "string"
-      )));
-
-      check_histogram(endHangs.hangs[0].histogram);
-
-      do_test_finished();
-    };
-
-    check_results();
-  });
-}