base: add gmock.h

to include gmock/gmock.h + status_matchers.h

ortools/base/BUILD.bazel

@@ -222,6 +222,27 @@ cc_library(
     ],
 )
 
+cc_library(
+    name = "status_matchers",
+    hdrs = ["status_matchers.h"],
+    deps = [
+        ":base",
+        "@com_google_absl//absl/status",
+        "@com_google_absl//absl/status:statusor",
+        "@com_google_absl//absl/strings",
+        "@com_google_googletest//:gtest",
+    ],
+)
+
+cc_library(
+    name = "gmock",
+    hdrs = ["gmock.h"],
+    deps = [
+        ":status_matchers",
+        "@com_google_googletest//:gtest",
+    ],
+)
+
 cc_library(
     name = "gzipfile",
     srcs = ["gzipfile.cc"],
@@ -446,18 +467,6 @@ cc_library(
     ],
 )
 
-cc_library(
-    name = "status_matchers",
-    hdrs = ["status_matchers.h"],
-    deps = [
-        ":base",
-        "@com_google_absl//absl/status",
-        "@com_google_absl//absl/status:statusor",
-        "@com_google_absl//absl/strings",
-        "@com_google_googletest//:gtest",
-    ],
-)
-
 cc_library(
     name = "status_macros",
     hdrs = ["status_macros.h"],

ortools/base/gmock.h

@@ -0,0 +1,20 @@
+// Copyright 2010-2024 Google LLC
+// 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.
+
+#ifndef OR_TOOLS_BASE_GMOCK_H_
+#define OR_TOOLS_BASE_GMOCK_H_
+
+#include "gmock/gmock.h"
+#include "ortools/base/status_matchers.h"
+
+#endif  // OR_TOOLS_BASE_GMOCK_H_