AAPT2: Add library support

Change-Id: I307f56d9631784ab29ee4156d94886f9b2f25b30
diff --git a/tools/aapt2/ResourceParser_test.cpp b/tools/aapt2/ResourceParser_test.cpp
index 5afbaf4..63352de 100644
--- a/tools/aapt2/ResourceParser_test.cpp
+++ b/tools/aapt2/ResourceParser_test.cpp
@@ -94,6 +94,31 @@
                                                    &privateRef));
 }
 
+TEST(ResourceParserReferenceTest, ParseStyleParentReference) {
+    Reference ref;
+    std::string errStr;
+    EXPECT_TRUE(ResourceParser::parseStyleParentReference(u"@android:style/foo", &ref, &errStr));
+    EXPECT_EQ(ref.name, (ResourceName{ u"android", ResourceType::kStyle, u"foo" }));
+
+    EXPECT_TRUE(ResourceParser::parseStyleParentReference(u"@style/foo", &ref, &errStr));
+    EXPECT_EQ(ref.name, (ResourceName{ {}, ResourceType::kStyle, u"foo" }));
+
+    EXPECT_TRUE(ResourceParser::parseStyleParentReference(u"?android:style/foo", &ref, &errStr));
+    EXPECT_EQ(ref.name, (ResourceName{ u"android", ResourceType::kStyle, u"foo" }));
+
+    EXPECT_TRUE(ResourceParser::parseStyleParentReference(u"?style/foo", &ref, &errStr));
+    EXPECT_EQ(ref.name, (ResourceName{ {}, ResourceType::kStyle, u"foo" }));
+
+    EXPECT_TRUE(ResourceParser::parseStyleParentReference(u"android:style/foo", &ref, &errStr));
+    EXPECT_EQ(ref.name, (ResourceName{ u"android", ResourceType::kStyle, u"foo" }));
+
+    EXPECT_TRUE(ResourceParser::parseStyleParentReference(u"android:foo", &ref, &errStr));
+    EXPECT_EQ(ref.name, (ResourceName{ u"android", ResourceType::kStyle, u"foo" }));
+
+    EXPECT_TRUE(ResourceParser::parseStyleParentReference(u"foo", &ref, &errStr));
+    EXPECT_EQ(ref.name, (ResourceName{ {}, ResourceType::kStyle, u"foo" }));
+}
+
 struct ResourceParserTest : public ::testing::Test {
     virtual void SetUp() override {
         mTable = std::make_shared<ResourceTable>();
@@ -283,7 +308,7 @@
 
 TEST_F(ResourceParserTest, ParseStyle) {
     std::stringstream input;
-    input << "<style name=\"foo\" parent=\"fu\">" << std::endl
+    input << "<style name=\"foo\" parent=\"@style/fu\">" << std::endl
           << "  <item name=\"bar\">#ffffffff</item>" << std::endl
           << "  <item name=\"bat\">@string/hey</item>" << std::endl
           << "  <item name=\"baz\"><b>hey</b></item>" << std::endl
@@ -304,6 +329,17 @@
               (ResourceName{ u"android", ResourceType::kAttr, u"baz" }));
 }
 
+TEST_F(ResourceParserTest, ParseStyleWithShorthandParent) {
+    std::stringstream input;
+    input << "<style name=\"foo\" parent=\"com.app:Theme\"/>" << std::endl;
+    ASSERT_TRUE(testParse(input));
+
+    const Style* style = findResource<Style>(
+            ResourceName{ u"android", ResourceType::kStyle, u"foo" });
+    ASSERT_NE(style, nullptr);
+    EXPECT_EQ(ResourceNameRef(u"com.app", ResourceType::kStyle, u"Theme"), style->parent.name);
+}
+
 TEST_F(ResourceParserTest, ParseAutoGeneratedIdReference) {
     std::stringstream input;
     input << "<string name=\"foo\">@+id/bar</string>" << std::endl;