Fix libnativeloader_test to work on 64 bit architectures.

Test: atest -a libnativeloader_test (on taimen, testing both arm64-v8a and armeabi-v7a)
Bug: 142896688
Change-Id: I90e24b6da8f02ff57d498685312709ac3c598e68
diff --git a/libnativeloader/native_loader_test.cpp b/libnativeloader/native_loader_test.cpp
index 3ce3ca9..7fdb0c0 100644
--- a/libnativeloader/native_loader_test.cpp
+++ b/libnativeloader/native_loader_test.cpp
@@ -38,6 +38,12 @@
 using internal::ConfigEntry;
 using internal::ParseConfig;
 
+#if defined(__LP64__)
+#define LIB_DIR "lib64"
+#else
+#define LIB_DIR "lib"
+#endif
+
 // gmock interface that represents interested platform APIs on libdl and libnativebridge
 class Platform {
  public:
@@ -331,8 +337,8 @@
   std::string class_loader = "my_classloader";
   bool is_shared = false;
   std::string dex_path = "/data/app/foo/classes.dex";
-  std::string library_path = "/data/app/foo/lib/arm";
-  std::string permitted_path = "/data/app/foo/lib";
+  std::string library_path = "/data/app/foo/" LIB_DIR "/arm";
+  std::string permitted_path = "/data/app/foo/" LIB_DIR;
 
   // expected output (.. for the default test inputs)
   std::string expected_namespace_name = "classloader-namespace";
@@ -457,8 +463,8 @@
   is_shared = false;
 
   expected_namespace_name = "vendor-classloader-namespace";
-  expected_library_path = expected_library_path + ":/vendor/lib";
-  expected_permitted_path = expected_permitted_path + ":/vendor/lib";
+  expected_library_path = expected_library_path + ":/vendor/" LIB_DIR;
+  expected_permitted_path = expected_permitted_path + ":/vendor/" LIB_DIR;
   expected_shared_libs_to_platform_ns =
       expected_shared_libs_to_platform_ns + ":" + llndk_libraries();
   expected_link_with_vndk_ns = true;
@@ -498,8 +504,9 @@
   target_sdk_version = 30;
 
   expected_namespace_name = "vendor-classloader-namespace";
-  expected_library_path = expected_library_path + ":/product/lib:/system/product/lib";
-  expected_permitted_path = expected_permitted_path + ":/product/lib:/system/product/lib";
+  expected_library_path = expected_library_path + ":/product/" LIB_DIR ":/system/product/" LIB_DIR;
+  expected_permitted_path =
+      expected_permitted_path + ":/product/" LIB_DIR ":/system/product/" LIB_DIR;
   expected_shared_libs_to_platform_ns =
       expected_shared_libs_to_platform_ns + ":" + llndk_libraries();
   expected_link_with_vndk_ns = true;
@@ -529,8 +536,8 @@
   const std::string second_app_class_loader = "second_app_classloader";
   const bool second_app_is_shared = false;
   const std::string second_app_dex_path = "/data/app/bar/classes.dex";
-  const std::string second_app_library_path = "/data/app/bar/lib/arm";
-  const std::string second_app_permitted_path = "/data/app/bar/lib";
+  const std::string second_app_library_path = "/data/app/bar/" LIB_DIR "/arm";
+  const std::string second_app_permitted_path = "/data/app/bar/" LIB_DIR;
   const std::string expected_second_app_permitted_path =
       std::string("/data:/mnt/expand:") + second_app_permitted_path;
   const std::string expected_second_app_parent_namespace = "classloader-namespace";