snapshot of https://github.com/grpc/grpc-go.git (master, 2026-09-15; blobs > 131072B omitted)

internal/credentials/syscallconn_test.go

@@ -0,0 +1,56 @@
+/*
+ *
+ * Copyright 2018 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package credentials
+
+import (
+	"net"
+	"syscall"
+	"testing"
+)
+
+func (*syscallConn) SyscallConn() (syscall.RawConn, error) {
+	return nil, nil
+}
+
+type nonSyscallConn struct {
+	net.Conn
+}
+
+func (s) TestWrapSyscallConn(t *testing.T) {
+	sc := &syscallConn{}
+	nsc := &nonSyscallConn{}
+
+	wrapConn := WrapSyscallConn(sc, nsc)
+	if _, ok := wrapConn.(syscall.Conn); !ok {
+		t.Errorf("returned conn (type %T) doesn't implement syscall.Conn, want implement", wrapConn)
+	}
+}
+
+func (s) TestWrapSyscallConnNoWrap(t *testing.T) {
+	nscRaw := &nonSyscallConn{}
+	nsc := &nonSyscallConn{}
+
+	wrapConn := WrapSyscallConn(nscRaw, nsc)
+	if _, ok := wrapConn.(syscall.Conn); ok {
+		t.Errorf("returned conn (type %T) implements syscall.Conn, want not implement", wrapConn)
+	}
+	if wrapConn != nsc {
+		t.Errorf("returned conn is %p, want %p (the passed-in newConn)", wrapConn, nsc)
+	}
+}