Move {child_parent_test, reserved_test, serialization_test} to googletest-rust

PiperOrigin-RevId: 572657135

rust/test/shared/BUILD

@@ -24,6 +24,7 @@ rust_test(
         "not_build:arm",
     ],
     deps = [
+        "//third_party/gtest_rust/googletest",
         "//rust/test:child_upb_rust_proto",
         "//rust/test:parent_upb_rust_proto",
     ],
@@ -37,6 +38,7 @@ rust_test(
         "not_build:arm",
     ],
     deps = [
+        "//third_party/gtest_rust/googletest",
         "//rust/test:child_cc_rust_proto",
         "//rust/test:parent_cc_rust_proto",
     ],
@@ -78,6 +80,7 @@ rust_test(
         "not_build:arm",
     ],
     deps = [
+        "//third_party/gtest_rust/googletest",
         "//rust/test:reserved_cc_rust_proto",
         "//rust/test:unittest_cc_rust_proto",
     ],
@@ -91,6 +94,7 @@ rust_test(
         "not_build:arm",
     ],
     deps = [
+        "//third_party/gtest_rust/googletest",
         "//rust/test:reserved_upb_rust_proto",
         "//rust/test:unittest_upb_rust_proto",
     ],
@@ -191,7 +195,10 @@ rust_test(
         # TODO: Enable testing on arm once we support sanitizers for Rust on Arm.
         "not_build:arm",
     ],
-    deps = ["//rust/test:unittest_upb_rust_proto"],
+    deps = [
+        "//third_party/gtest_rust/googletest",
+        "//rust/test:unittest_upb_rust_proto",
+    ],
 )
 
 rust_test(
@@ -201,7 +208,10 @@ rust_test(
         # TODO: Enable testing on arm once we support sanitizers for Rust on Arm.
         "not_build:arm",
     ],
-    deps = ["//rust/test:unittest_cc_rust_proto"],
+    deps = [
+        "//third_party/gtest_rust/googletest",
+        "//rust/test:unittest_cc_rust_proto",
+    ],
 )
 
 rust_test(

rust/test/shared/child_parent_test.rs

@@ -5,6 +5,8 @@
 // license that can be found in the LICENSE file or at
 // https://developers.google.com/open-source/licenses/bsd
 
+use googletest::prelude::*;
+
 #[test]
 fn test_canonical_types() {
     let _child = child_proto::child_package::Child::new();
@@ -17,10 +19,10 @@ fn test_canonical_types() {
 
 #[test]
 fn test_parent_serialization() {
-    assert_eq!(*parent_proto::parent_package::Parent::new().serialize(), []);
+    assert_that!(*parent_proto::parent_package::Parent::new().serialize(), empty());
 }
 
 #[test]
 fn test_child_serialization() {
-    assert_eq!(*child_proto::child_package::Child::new().serialize(), []);
+    assert_that!(*child_proto::child_package::Child::new().serialize(), empty());
 }

rust/test/shared/reserved_test.rs

@@ -5,6 +5,7 @@
 // license that can be found in the LICENSE file or at
 // https://developers.google.com/open-source/licenses/bsd
 
+use googletest::prelude::*;
 /// Test covering proto compilation with reserved words.
 use reserved_proto::naming::Reserved;
 
@@ -12,7 +13,7 @@ use reserved_proto::naming::Reserved;
 fn test_reserved_keyword_in_accessors() {
     let msg = Reserved::new();
     let res = msg.r#for();
-    assert_eq!(res, 0);
+    assert_that!(res, eq(0));
 }
 
 #[test]

rust/test/shared/serialization_test.rs

@@ -5,6 +5,7 @@
 // license that can be found in the LICENSE file or at
 // https://developers.google.com/open-source/licenses/bsd
 
+use googletest::prelude::*;
 use unittest_proto::proto2_unittest::TestAllTypes;
 
 #[test]
@@ -19,9 +20,9 @@ fn serialize_deserialize_message() {
     let mut msg2 = TestAllTypes::new();
     assert!(msg2.deserialize(&serialized).is_ok());
 
-    assert_eq!(msg.optional_int64(), msg2.optional_int64());
-    assert_eq!(msg.optional_bool(), msg2.optional_bool());
-    assert_eq!(msg.optional_bytes(), msg2.optional_bytes());
+    assert_that!(msg.optional_int64(), eq(msg2.optional_int64()));
+    assert_that!(msg.optional_bool(), eq(msg2.optional_bool()));
+    assert_that!(msg.optional_bytes(), eq(msg2.optional_bytes()));
 }
 
 #[test]