commit bf57bcef60c2619e07e5dad6deda336e6dde8626
author Steven Moreland <smoreland@google.com> Mon Jul 26 15:26:12 2021 -0700
committer Steven Moreland <smoreland@google.com> Tue Jul 27 13:46:10 2021 -0700
tree 9c86f5cb95937e67c3d43558ad2519a879b0263e
parent 4068ef232a1dbeeab3895db27ae4f0fd5997e51a

libbinder: RPC binder - incl. protocol version

Bug: 182938972
Test: binderRpcTest
Change-Id: I135fa44b111d92b53161775dea90a42e4cb5bee1

libs/binder/tests/binderRpcTest.cpp

diff --git a/libs/binder/tests/binderRpcTest.cpp b/libs/binder/tests/binderRpcTest.cpp
index 40ebd9c..d5786bc 100644
--- a/libs/binder/tests/binderRpcTest.cpp
+++ b/libs/binder/tests/binderRpcTest.cpp
@@ -47,6 +47,9 @@
 
 namespace android {
 
+static_assert(RPC_WIRE_PROTOCOL_VERSION + 1 == RPC_WIRE_PROTOCOL_VERSION_NEXT ||
+              RPC_WIRE_PROTOCOL_VERSION == RPC_WIRE_PROTOCOL_VERSION_EXPERIMENTAL);
+
 TEST(BinderRpcParcel, EntireParcelFormatted) {
     Parcel p;
     p.writeInt32(3);
@@ -67,6 +70,19 @@
     ASSERT_EQ(sinkFd, retrieved.get());
 }
 
+TEST(BinderRpc, CannotUseNextWireVersion) {
+    auto session = RpcSession::make();
+    EXPECT_FALSE(session->setProtocolVersion(RPC_WIRE_PROTOCOL_VERSION_NEXT));
+    EXPECT_FALSE(session->setProtocolVersion(RPC_WIRE_PROTOCOL_VERSION_NEXT + 1));
+    EXPECT_FALSE(session->setProtocolVersion(RPC_WIRE_PROTOCOL_VERSION_NEXT + 2));
+    EXPECT_FALSE(session->setProtocolVersion(RPC_WIRE_PROTOCOL_VERSION_NEXT + 15));
+}
+
+TEST(BinderRpc, CanUseExperimentalWireVersion) {
+    auto session = RpcSession::make();
+    EXPECT_TRUE(session->setProtocolVersion(RPC_WIRE_PROTOCOL_VERSION_EXPERIMENTAL));
+}
+
 using android::binder::Status;
 
 #define EXPECT_OK(status)                 \