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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "process/SymbolTable.h"
#include "SdkConstants.h"
#include "format/binary/TableFlattener.h"
#include "test/Test.h"
#include "util/BigBuffer.h"
using ::testing::Eq;
using ::testing::IsNull;
using ::testing::Ne;
using ::testing::NotNull;
namespace aapt {
TEST(ResourceTableSymbolSourceTest, FindSymbols) {
std::unique_ptr<ResourceTable> table =
test::ResourceTableBuilder()
.AddSimple("android:id/foo", ResourceId(0x01020000))
.AddSimple("android:id/bar")
.AddValue("android:attr/foo", ResourceId(0x01010000),
test::AttributeBuilder().Build())
.Build();
ResourceTableSymbolSource symbol_source(table.get());
EXPECT_THAT(symbol_source.FindByName(test::ParseNameOrDie("android:id/foo")), NotNull());
EXPECT_THAT(symbol_source.FindByName(test::ParseNameOrDie("android:id/bar")), NotNull());
std::unique_ptr<SymbolTable::Symbol> s =
symbol_source.FindByName(test::ParseNameOrDie("android:attr/foo"));
ASSERT_THAT(s, NotNull());
EXPECT_THAT(s->attribute, NotNull());
}
TEST(ResourceTableSymbolSourceTest, FindPrivateAttrSymbol) {
std::unique_ptr<ResourceTable> table =
test::ResourceTableBuilder()
.AddValue("android:^attr-private/foo", ResourceId(0x01010000),
test::AttributeBuilder().Build())
.Build();
ResourceTableSymbolSource symbol_source(table.get());
std::unique_ptr<SymbolTable::Symbol> s =
symbol_source.FindByName(test::ParseNameOrDie("android:attr/foo"));
ASSERT_THAT(s, NotNull());
EXPECT_THAT(s->attribute, NotNull());
}
TEST(SymbolTableTest, FindByName) {
std::unique_ptr<ResourceTable> table =
test::ResourceTableBuilder()
.AddSimple("com.android.app:id/foo")
.AddSimple("com.android.app:id/" + NameMangler::MangleEntry("com.android.lib", "foo"))
.Build();
NameMangler mangler(NameManglerPolicy{"com.android.app", {"com.android.lib"}});
SymbolTable symbol_table(&mangler);
symbol_table.AppendSource(util::make_unique<ResourceTableSymbolSource>(table.get()));
EXPECT_THAT(symbol_table.FindByName(test::ParseNameOrDie("id/foo")), NotNull());
EXPECT_THAT(symbol_table.FindByName(test::ParseNameOrDie("com.android.lib:id/foo")), NotNull());
}
TEST(SymbolTableTest, FindByNameWhenSymbolIsMangledInResTable) {
using namespace android;
std::unique_ptr<IAaptContext> context =
test::ContextBuilder()
.SetCompilationPackage("com.android.app")
.SetPackageId(0x7f)
.SetPackageType(PackageType::kApp)
.SetMinSdkVersion(SDK_LOLLIPOP_MR1)
.SetNameManglerPolicy(NameManglerPolicy{"com.android.app"})
.Build();
// Create a ResourceTable with a mangled resource, simulating a static library being merged into
// the main application package.
std::unique_ptr<ResourceTable> table =
test::ResourceTableBuilder()
.AddSimple("com.android.app:id/" + NameMangler::MangleEntry("com.android.lib", "foo"),
ResourceId(0x7f020000))
.AddSimple("com.android.app:id/bar", ResourceId(0x7f020001))
.Build();
BigBuffer buffer(1024u);
TableFlattener flattener({}, &buffer);
ASSERT_TRUE(flattener.Consume(context.get(), table.get()));
std::unique_ptr<uint8_t[]> data = util::Copy(buffer);
// Construct the test AssetManager.
auto asset_manager_source = util::make_unique<AssetManagerSymbolSource>();
ResTable& res_table = const_cast<ResTable&>(
asset_manager_source->GetAssetManager()->getResources(false /*required*/));
ASSERT_THAT(res_table.add(data.get(), buffer.size()), Eq(NO_ERROR));
SymbolTable symbol_table(context->GetNameMangler());
symbol_table.AppendSource(std::move(asset_manager_source));
EXPECT_THAT(symbol_table.FindByName(test::ParseNameOrDie("com.android.lib:id/foo")), NotNull());
EXPECT_THAT(symbol_table.FindByName(test::ParseNameOrDie("com.android.app:id/bar")), NotNull());
EXPECT_THAT(symbol_table.FindByName(test::ParseNameOrDie("com.android.app:id/foo")), IsNull());
EXPECT_THAT(symbol_table.FindByName(test::ParseNameOrDie("com.android.lib:id/bar")), IsNull());
EXPECT_THAT(symbol_table.FindByName(test::ParseNameOrDie("com.android.other:id/foo")), IsNull());
}
TEST(SymbolTableTest, FindByNameInAnyPackage) {
// This represents lib3 --depends-on--> lib2 --depends-on--> lib1
NameMangler mangler(NameManglerPolicy{"com.example.lib3"});
SymbolTable symbol_table(&mangler);
// Lib2 has higher precedence than lib1, as it is closer to the current library (lib3)
// in the dependency graph.
symbol_table.AppendSource(test::StaticSymbolSourceBuilder()
.AddPublicSymbol("com.example.lib1:string/foo", ResourceId())
.AddSymbol("com.example.lib1:attr/foo", ResourceId(),
test::AttributeBuilder()
.SetTypeMask(android::ResTable_map::TYPE_FLAGS)
.AddItem("one", 0x01)
.AddItem("two", 0x02)
.Build())
.Build());
symbol_table.PrependSource(test::StaticSymbolSourceBuilder()
.AddPublicSymbol("com.example.lib2:string/foo", ResourceId())
.Build());
// Sanity test
EXPECT_THAT(symbol_table.FindByName(test::ParseNameOrDie("string/foo")), IsNull());
// Test public symbol resolution
const SymbolTable::Symbol* const found_string =
symbol_table.FindByNameInAnyPackage(test::ParseNameOrDie("string/foo"));
ASSERT_THAT(found_string, NotNull());
// Test attr resolution
const SymbolTable::Symbol* const found_attr =
symbol_table.FindByNameInAnyPackage(test::ParseNameOrDie("attr/foo"));
ASSERT_THAT(found_attr, NotNull());
}
} // namespace aapt
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