From 7ee8658453fe4efe04781bea9a14368e1d5ff41f Mon Sep 17 00:00:00 2001
From: Jeff Sharkey <jsharkey@android.com>
Date: Mon, 14 Nov 2011 18:02:21 -0800
Subject: Conservatively trim data usage stats.
Instead of trusting NTP time alone, use the most-conservative of
system clock and NTP.
Bug: 5584564
Change-Id: I5dd87fc009959b1cf0a7d660e385a0b1a8be238b
---
core/tests/coretests/src/android/net/NetworkStatsHistoryTest.java | 4 ++++
1 file changed, 4 insertions(+)
(limited to 'core/tests')
diff --git a/core/tests/coretests/src/android/net/NetworkStatsHistoryTest.java b/core/tests/coretests/src/android/net/NetworkStatsHistoryTest.java
index e1db073..1df763a 100644
--- a/core/tests/coretests/src/android/net/NetworkStatsHistoryTest.java
+++ b/core/tests/coretests/src/android/net/NetworkStatsHistoryTest.java
@@ -256,6 +256,10 @@ public class NetworkStatsHistoryTest extends AndroidTestCase {
stats.recordData(TEST_START, TEST_START + DAY_IN_MILLIS, 24L, 24L);
assertEquals(24, stats.size());
+ // try removing invalid data; should be no change
+ stats.removeBucketsBefore(0 - DAY_IN_MILLIS);
+ assertEquals(24, stats.size());
+
// try removing far before buckets; should be no change
stats.removeBucketsBefore(TEST_START - YEAR_IN_MILLIS);
assertEquals(24, stats.size());
--
cgit v1.1