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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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Add m-esr52 at 52.6.0
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diff --git a/devtools/shared/heapsnapshot/tests/unit/test_HeapSnapshot_creationTime_01.js b/devtools/shared/heapsnapshot/tests/unit/test_HeapSnapshot_creationTime_01.js
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+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// HeapSnapshot.prototype.creationTime returns the expected time.
+
+function waitForThirtyMilliseconds() {
+ const start = Date.now();
+ while (Date.now() - start < 30) ;
+}
+
+function run_test() {
+ const start = Date.now() * 1000;
+ do_print("start = " + start);
+
+ // Because Date.now() is less precise than the snapshot's time stamp, give it
+ // a little bit of head room. Additionally, WinXP's timer only has granularity
+ // of +/- 15ms.
+ waitForThirtyMilliseconds();
+ const path = ChromeUtils.saveHeapSnapshot({ runtime: true });
+ waitForThirtyMilliseconds();
+
+ const end = Date.now() * 1000;
+ do_print("end = " + end);
+
+ const snapshot = ChromeUtils.readHeapSnapshot(path);
+ do_print("snapshot.creationTime = " + snapshot.creationTime);
+
+ ok(snapshot.creationTime >= start);
+ ok(snapshot.creationTime <= end);
+}