Add Method::dex_cache_*_ short cuts to declaring_class_->dex_cache_

Change-Id: I6e14b296abdd74b7fe810fc43d814931fd8cb770
diff --git a/src/dex_cache_test.cc b/src/dex_cache_test.cc
index 674ec0f..71125cc 100644
--- a/src/dex_cache_test.cc
+++ b/src/dex_cache_test.cc
@@ -18,10 +18,25 @@
 
   DexCache* dex_cache = class_linker_->AllocDexCache(java_lang_dex_file_.get());
   ASSERT_TRUE(dex_cache != NULL);
+
   EXPECT_EQ(java_lang_dex_file_->NumStringIds(), dex_cache->NumStrings());
   EXPECT_EQ(java_lang_dex_file_->NumTypeIds(),   dex_cache->NumClasses());
   EXPECT_EQ(java_lang_dex_file_->NumMethodIds(), dex_cache->NumMethods());
   EXPECT_EQ(java_lang_dex_file_->NumFieldIds(),  dex_cache->NumFields());
+
+  EXPECT_LE(0, dex_cache->GetStrings()->GetLength());
+  EXPECT_LE(0, dex_cache->GetClasses()->GetLength());
+  EXPECT_LE(0, dex_cache->GetMethods()->GetLength());
+  EXPECT_LE(0, dex_cache->GetFields()->GetLength());
+
+  EXPECT_EQ(java_lang_dex_file_->NumStringIds(),
+            static_cast<uint32_t>(dex_cache->GetStrings()->GetLength()));
+  EXPECT_EQ(java_lang_dex_file_->NumTypeIds(),
+            static_cast<uint32_t>(dex_cache->GetClasses()->GetLength()));
+  EXPECT_EQ(java_lang_dex_file_->NumMethodIds(),
+            static_cast<uint32_t>(dex_cache->GetMethods()->GetLength()));
+  EXPECT_EQ(java_lang_dex_file_->NumFieldIds(),
+            static_cast<uint32_t>(dex_cache->GetFields()->GetLength()));
 }
 
 }  // namespace art