adding test for additional_resources in java_library wrapper macro

Change-Id: I74435c33d54a87426085dd46e7de7c5f4efef1f7
Test: b test //build/bazel/rules/java:all
diff --git a/rules/java/BUILD b/rules/java/BUILD
index 0ee1117..a282666 100644
--- a/rules/java/BUILD
+++ b/rules/java/BUILD
@@ -24,7 +24,7 @@
 load(":java_aconfig_library_test.bzl", "java_aconfig_library_rt_test_suite", "java_aconfig_library_test_suite")
 load(":java_system_modules_test.bzl", "java_system_modules_test_suite")
 load(":java_xsd_config_library_test.bzl", "java_xsd_config_library_test_suite")
-load(":library_test.bzl", "java_library_test_suite")
+load(":library_test.bzl", "java_library_test_suite", "rt_java_library_test_suite")
 load(":merged_txts_test.bzl", "merged_txts_test_suite")
 load(":platform_compat_config_test.bzl", "platform_compat_config_test_suite")
 load(":sdk_library_test.bzl", "java_sdk_library_test_suite")
@@ -44,6 +44,8 @@
 
 java_library_test_suite(name = "java_library_tests")
 
+rt_java_library_test_suite(name = "rt_java_library_tests")
+
 bootclasspath_test_suite(name = "bootclasspath_tests")
 
 versions_test_suite(name = "versions_tests")
diff --git a/rules/java/library.bzl b/rules/java/library.bzl
index 5dcafc3..66e88c2 100644
--- a/rules/java/library.bzl
+++ b/rules/java/library.bzl
@@ -59,6 +59,8 @@
         java_import(
             name = res_import_name,
             jars = additional_resources,
+            tags = tags + ["manual"],
+            visibility = ["//visibility:private"],
         )
         deps = deps + [":" + res_import_name]
 
diff --git a/rules/java/library_test.bzl b/rules/java/library_test.bzl
index 046bd6f..9623357 100644
--- a/rules/java/library_test.bzl
+++ b/rules/java/library_test.bzl
@@ -13,6 +13,10 @@
 # limitations under the License.
 
 load("@bazel_skylib//lib:unittest.bzl", "analysistest", "asserts")
+load("@rules_testing//lib:analysis_test.bzl", rt_analysis_test = "analysis_test", rt_test_suite = "test_suite")
+load("@rules_testing//lib:truth.bzl", "matching", "subjects")
+load("@rules_testing//lib:util.bzl", rt_util = "util")
+load("//build/bazel/rules/java:java_resources.bzl", "java_resources")
 load(":library.bzl", "java_library")
 
 ActionArgsInfo = provider(
@@ -95,6 +99,42 @@
 
     return test_name
 
+def _test_java_library_additional_resources_impl(env, target):
+    deps = env.expect.that_target(target).attr("deps", factory = subjects.collection)
+    target_name = target.label.name.removesuffix("_private")
+
+    expected_dep_name = target_name + "__additional_resources"
+
+    deps.contains_predicate(
+        matching.custom(
+            desc = expected_dep_name,
+            func = lambda dep: dep.label == Label(expected_dep_name),
+        ),
+    )
+
+def _test_java_library_additional_resources(name):
+    macro_wrapper_name = name + "_library_target"
+    java_resource_target_name = name + "java_res_target"
+    rt_util.helper_target(
+        java_library,
+        name = macro_wrapper_name,
+        srcs = ["foo.java"],
+        additional_resources = [java_resource_target_name],
+    )
+
+    rt_util.helper_target(
+        java_resources,
+        name = java_resource_target_name,
+        resources = ["res1.java"],
+    )
+
+    rt_analysis_test(
+        name = name,
+        impl = _test_java_library_additional_resources_impl,
+        # want to test the java_library target created by the java_library macro
+        target = macro_wrapper_name + "_private",
+    )
+
 def java_library_test_suite(name):
     native.test_suite(
         name = name,
@@ -102,3 +142,11 @@
             _host_java_library_has_correct_java_version(),
         ],
     )
+
+def rt_java_library_test_suite(name):
+    rt_test_suite(
+        name = name,
+        tests = [
+            _test_java_library_additional_resources,
+        ],
+    )