Fix the flaky test: testIPv6LinkLocalOnly.
Ideally there should be only one route(fe80::/64 -> :: iface mtu 0)
in the LinkProperties when device is in the IPv6 link-local only mode,
but the multicast route(ff00::/8 -> :: iface mtu 0) may appear on some
old platforms where the kernel is still notifying the userspace the
multicast route. Therefore, we cannot assert that size of routes in
LinkProperties is more than one, but other properties such as DNS or
IPv6 default route or global IPv6 address should never appear in the
IPv6 link-local only mode.
Bug: 272302069
Test: atest NetworkStackRootTests
Change-Id: Id59d400d4a1ef0a309e38c94c09ff450704d74ff
diff --git a/tests/integration/common/android/net/ip/IpClientIntegrationTestCommon.java b/tests/integration/common/android/net/ip/IpClientIntegrationTestCommon.java
index 9fee7b5..b113c98 100644
--- a/tests/integration/common/android/net/ip/IpClientIntegrationTestCommon.java
+++ b/tests/integration/common/android/net/ip/IpClientIntegrationTestCommon.java
@@ -4174,8 +4174,14 @@
teardownTapInterface();
verify(mCb, timeout(TEST_TIMEOUT_MS)).onProvisioningFailure(any());
verify(mCb, never()).onLinkPropertiesChange(argThat(newLp ->
+ // Ideally there should be only one route(fe80::/64 -> :: iface mtu 0) in the
+ // LinkProperties, however, the multicast route(ff00::/8 -> :: iface mtu 0) may
+ // appear on some old platforms where the kernel is still notifying the userspace
+ // the multicast route. Therefore, we cannot assert that size of routes in the
+ // LinkProperties is more than one, but other properties such as DNS or IPv6
+ // default route or global IPv6 address should never appear in the IPv6 link-local
+ // only mode.
newLp.getDnsServers().size() != 0
- || newLp.getRoutes().size() > 1
|| newLp.hasIpv6DefaultRoute()
|| newLp.hasGlobalIpv6Address()
));
