LineageOS/android_packages_modules_Connectivity
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NetworkStats always needs arrays.

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Internal logic relies on Arrays.copyOf(), so always give ourselves
valid arrays, using shared empty objects to save overhead.

Bug: 17502649
Change-Id: I5dbb00545bdfe45bbd48144ab505ea08cc92cbcd
This commit is contained in:
Jeff Sharkey
2014-09-17 09:26:28 -07:00
parent 9d294201bf
commit 7b51ae7abc
1 changed files with 10 additions and 0 deletions
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10
core/tests/coretests/src/android/net/NetworkStatsTest.java
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@@ -310,6 +310,16 @@ public class NetworkStatsTest extends TestCase {
assertEquals(128L + 512L, clone.getTotalBytes());
}
public void testAddWhenEmpty() throws Exception {
final NetworkStats red = new NetworkStats(TEST_START, -1);
final NetworkStats blue = new NetworkStats(TEST_START, 5)
.addValues(TEST_IFACE, 100, SET_DEFAULT, TAG_NONE, 128L, 8L, 0L, 2L, 20L)
.addValues(TEST_IFACE2, 100, SET_DEFAULT, TAG_NONE, 512L, 32L, 0L, 0L, 0L);
// We're mostly checking that we don't crash
red.combineAllValues(blue);
}
private static void assertValues(NetworkStats stats, int index, String iface, int uid, int set,
int tag, long rxBytes, long rxPackets, long txBytes, long txPackets, long operations) {
final NetworkStats.Entry entry = stats.getValues(index, null);