LineageOS/android_packages_modules_Connectivity
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Test that if an RA sets the same prefix as DNS, nothing happens. am: 0424f88915

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Change-Id: I171ff7fd8140028dc4a4e7df5cc4663b8ad696e7
This commit is contained in:
Lorenzo Colitti
2020-05-26 12:58:22 +00:00
committed by Automerger Merge Worker
parent 88d9f6bd64 0424f88915
commit 0d25cca3c9
1 changed files with 25 additions and 1 deletions
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26
tests/net/java/com/android/server/ConnectivityServiceTest.java
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@@ -6346,12 +6346,36 @@ public class ConnectivityServiceTest {
expectNat64PrefixChange(callback, mCellNetworkAgent, pref64FromDns); expectNat64PrefixChange(callback, mCellNetworkAgent, pref64FromDns);
inOrder.verify(mMockNetd).clatdStart(iface, pref64FromDns.toString()); inOrder.verify(mMockNetd).clatdStart(iface, pref64FromDns.toString());
// If the RA prefix reappears, clatd is restarted and prefix discovery is stopped. // If an RA advertises the same prefix that was discovered by DNS, nothing happens: prefix
// discovery is not stopped, and there are no callbacks.
lp.setNat64Prefix(pref64FromDns);
mCellNetworkAgent.sendLinkProperties(lp);
callback.assertNoCallback();
inOrder.verify(mMockNetd, never()).clatdStop(iface);
inOrder.verify(mMockNetd, never()).clatdStart(eq(iface), anyString());
inOrder.verify(mMockDnsResolver, never()).stopPrefix64Discovery(netId);
inOrder.verify(mMockDnsResolver, never()).startPrefix64Discovery(netId);
// If the RA is later withdrawn, nothing happens again.
lp.setNat64Prefix(null);
mCellNetworkAgent.sendLinkProperties(lp);
callback.assertNoCallback();
inOrder.verify(mMockNetd, never()).clatdStop(iface);
inOrder.verify(mMockNetd, never()).clatdStart(eq(iface), anyString());
inOrder.verify(mMockDnsResolver, never()).stopPrefix64Discovery(netId);
inOrder.verify(mMockDnsResolver, never()).startPrefix64Discovery(netId);
// If the RA prefix changes, clatd is restarted and prefix discovery is stopped.
lp.setNat64Prefix(pref64FromRa); lp.setNat64Prefix(pref64FromRa);
mCellNetworkAgent.sendLinkProperties(lp); mCellNetworkAgent.sendLinkProperties(lp);
expectNat64PrefixChange(callback, mCellNetworkAgent, pref64FromRa); expectNat64PrefixChange(callback, mCellNetworkAgent, pref64FromRa);
inOrder.verify(mMockNetd).clatdStop(iface); inOrder.verify(mMockNetd).clatdStop(iface);
inOrder.verify(mMockDnsResolver).stopPrefix64Discovery(netId); inOrder.verify(mMockDnsResolver).stopPrefix64Discovery(netId);
// Stopping prefix discovery results in a prefix removed notification.
mService.mNetdEventCallback.onNat64PrefixEvent(netId, false /* added */,
pref64FromDnsStr, 96);
inOrder.verify(mMockNetd).clatdStart(iface, pref64FromRa.toString()); inOrder.verify(mMockNetd).clatdStart(iface, pref64FromRa.toString());
inOrder.verify(mMockDnsResolver, never()).startPrefix64Discovery(netId); inOrder.verify(mMockDnsResolver, never()).startPrefix64Discovery(netId);