Support converting ChildSaProposal to/from PersistableBundle

Bug: 163604823
Test: FrameworksVcnTests(new tests added)
Change-Id: I726a29a65b10b23718fe3b1658d70a8b84cfd2de

1 files changed, 21 insertions, 0 deletions

diff --git a/tests/vcn/java/android/net/vcn/persistablebundleutils/SaProposalUtilsTest.java b/tests/vcn/java/android/net/vcn/persistablebundleutils/SaProposalUtilsTest.java
index d3d3a2c5c8a2..e9e8e2444d5f 100644
--- a/tests/vcn/java/android/net/vcn/persistablebundleutils/SaProposalUtilsTest.java
+++ b/tests/vcn/java/android/net/vcn/persistablebundleutils/SaProposalUtilsTest.java
@@ -18,6 +18,7 @@ package android.net.vcn.persistablebundleutils;
 
 import static org.junit.Assert.assertEquals;
 
+import android.net.ipsec.ike.ChildSaProposal;
 import android.net.ipsec.ike.IkeSaProposal;
 import android.net.ipsec.ike.SaProposal;
 import android.os.PersistableBundle;
@@ -52,4 +53,24 @@ public class SaProposalUtilsTest {
 
         assertEquals(proposal, resultProposal);
     }
+
+    @Test
+    public void testPersistableBundleEncodeDecodeIsLosslessChildProposal() throws Exception {
+        final ChildSaProposal proposal =
+                new ChildSaProposal.Builder()
+                        .addEncryptionAlgorithm(
+                                SaProposal.ENCRYPTION_ALGORITHM_AES_GCM_12,
+                                SaProposal.KEY_LEN_AES_128)
+                        .addEncryptionAlgorithm(
+                                SaProposal.ENCRYPTION_ALGORITHM_AES_GCM_12,
+                                SaProposal.KEY_LEN_AES_192)
+                        .addDhGroup(SaProposal.DH_GROUP_1024_BIT_MODP)
+                        .addDhGroup(SaProposal.DH_GROUP_4096_BIT_MODP)
+                        .build();
+
+        final PersistableBundle bundle = ChildSaProposalUtils.toPersistableBundle(proposal);
+        final SaProposal resultProposal = ChildSaProposalUtils.fromPersistableBundle(bundle);
+
+        assertEquals(proposal, resultProposal);
+    }
 }