Merge SP2A.220305.013

Bug: 220074017
Change-Id: Idfdd94e902f656ac65a2a75dfdd199f6f85ba472

1 files changed, 32 insertions, 0 deletions

diff --git a/libs/androidfw/tests/LoadedArsc_test.cpp b/libs/androidfw/tests/LoadedArsc_test.cpp
index f356c8130080..d214e2dfef7b 100644
--- a/libs/androidfw/tests/LoadedArsc_test.cpp
+++ b/libs/androidfw/tests/LoadedArsc_test.cpp
@@ -95,6 +95,38 @@ TEST(LoadedArscTest, LoadSparseEntryApp) {
   ASSERT_TRUE(LoadedPackage::GetEntry(type.type, entry_index).has_value());
 }
 
+TEST(LoadedArscTest, FindSparseEntryApp) {
+  std::string contents;
+  ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/sparse/sparse.apk", "resources.arsc",
+                                      &contents));
+
+  std::unique_ptr<const LoadedArsc> loaded_arsc = LoadedArsc::Load(contents.data(),
+                                                                   contents.length());
+  ASSERT_THAT(loaded_arsc, NotNull());
+
+  const LoadedPackage* package =
+      loaded_arsc->GetPackageById(get_package_id(sparse::R::string::only_v26));
+  ASSERT_THAT(package, NotNull());
+
+  const uint8_t type_index = get_type_id(sparse::R::string::only_v26) - 1;
+  const uint16_t entry_index = get_entry_id(sparse::R::string::only_v26);
+
+  const TypeSpec* type_spec = package->GetTypeSpecByTypeIndex(type_index);
+  ASSERT_THAT(type_spec, NotNull());
+  ASSERT_THAT(type_spec->type_entries.size(), Ge(1u));
+
+  // Ensure that AAPT2 sparsely encoded the v26 config as expected.
+  auto type_entry = std::find_if(
+    type_spec->type_entries.begin(), type_spec->type_entries.end(),
+    [](const TypeSpec::TypeEntry& x) { return x.config.sdkVersion == 26; });
+  ASSERT_NE(type_entry, type_spec->type_entries.end());
+  ASSERT_NE(type_entry->type->flags & ResTable_type::FLAG_SPARSE, 0);
+
+  // Test fetching a resource with only sparsely encoded configs by name.
+  auto id = package->FindEntryByName(u"string", u"only_v26");
+  ASSERT_EQ(id.value(), fix_package_id(sparse::R::string::only_v26, 0));
+}
+
 TEST(LoadedArscTest, LoadSharedLibrary) {
   std::string contents;
   ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/lib_one/lib_one.apk", "resources.arsc",