tools/aapt2/ResourceUtils_test.cpp - platform/frameworks/base - Git at Google

 /*
  * 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 "ResourceUtils.h"

 #include "SdkConstants.h"
 #include "Resource.h"
 #include "test/Test.h"

 using ::aapt::test::ValueEq;
 using ::android::Res_value;
 using ::android::ResTable_map;
 using ::testing::Eq;
 using ::testing::NotNull;
 using ::testing::Pointee;

 namespace aapt {

 TEST(ResourceUtilsTest, ParseBool) {
   EXPECT_THAT(ResourceUtils::ParseBool("true"), Eq(Maybe<bool>(true)));
   EXPECT_THAT(ResourceUtils::ParseBool("TRUE"), Eq(Maybe<bool>(true)));
   EXPECT_THAT(ResourceUtils::ParseBool("True"), Eq(Maybe<bool>(true)));

   EXPECT_THAT(ResourceUtils::ParseBool("false"), Eq(Maybe<bool>(false)));
   EXPECT_THAT(ResourceUtils::ParseBool("FALSE"), Eq(Maybe<bool>(false)));
   EXPECT_THAT(ResourceUtils::ParseBool("False"), Eq(Maybe<bool>(false)));

   EXPECT_THAT(ResourceUtils::ParseBool(" False\n "), Eq(Maybe<bool>(false)));
 }

 TEST(ResourceUtilsTest, ParseResourceName) {
   ResourceNameRef actual;
   bool actual_priv = false;
   EXPECT_TRUE(ResourceUtils::ParseResourceName("android:color/foo", &actual, &actual_priv));
   EXPECT_THAT(actual, Eq(ResourceNameRef("android", ResourceType::kColor, "foo")));
   EXPECT_FALSE(actual_priv);

   EXPECT_TRUE(ResourceUtils::ParseResourceName("color/foo", &actual, &actual_priv));
   EXPECT_THAT(actual, Eq(ResourceNameRef({}, ResourceType::kColor, "foo")));
   EXPECT_FALSE(actual_priv);

   EXPECT_TRUE(ResourceUtils::ParseResourceName("*android:color/foo", &actual, &actual_priv));
   EXPECT_THAT(actual, Eq(ResourceNameRef("android", ResourceType::kColor, "foo")));
   EXPECT_TRUE(actual_priv);

   EXPECT_FALSE(ResourceUtils::ParseResourceName(android::StringPiece(), &actual, &actual_priv));
 }

 TEST(ResourceUtilsTest, ParseReferenceWithNoPackage) {
   ResourceNameRef actual;
   bool create = false;
   bool private_ref = false;
   EXPECT_TRUE(ResourceUtils::ParseReference("@color/foo", &actual, &create, &private_ref));
   EXPECT_THAT(actual, Eq(ResourceNameRef({}, ResourceType::kColor, "foo")));
   EXPECT_FALSE(create);
   EXPECT_FALSE(private_ref);
 }

 TEST(ResourceUtilsTest, ParseReferenceWithPackage) {
   ResourceNameRef actual;
   bool create = false;
   bool private_ref = false;
   EXPECT_TRUE(ResourceUtils::ParseReference("@android:color/foo", &actual, &create, &private_ref));
   EXPECT_THAT(actual, Eq(ResourceNameRef("android", ResourceType::kColor, "foo")));
   EXPECT_FALSE(create);
   EXPECT_FALSE(private_ref);
 }

 TEST(ResourceUtilsTest, ParseReferenceWithSurroundingWhitespace) {
   ResourceNameRef actual;
   bool create = false;
   bool private_ref = false;
   EXPECT_TRUE(ResourceUtils::ParseReference("\t @android:color/foo\n \n\t", &actual, &create, &private_ref));
   EXPECT_THAT(actual, Eq(ResourceNameRef("android", ResourceType::kColor, "foo")));
   EXPECT_FALSE(create);
   EXPECT_FALSE(private_ref);
 }

 TEST(ResourceUtilsTest, ParseAutoCreateIdReference) {
   ResourceNameRef actual;
   bool create = false;
   bool private_ref = false;
   EXPECT_TRUE(ResourceUtils::ParseReference("@+android:id/foo", &actual, &create, &private_ref));
   EXPECT_THAT(actual, Eq(ResourceNameRef("android", ResourceType::kId, "foo")));
   EXPECT_TRUE(create);
   EXPECT_FALSE(private_ref);
 }

 TEST(ResourceUtilsTest, ParsePrivateReference) {
   ResourceNameRef actual;
   bool create = false;
   bool private_ref = false;
   EXPECT_TRUE(ResourceUtils::ParseReference("@*android:id/foo", &actual, &create, &private_ref));
   EXPECT_THAT(actual, Eq(ResourceNameRef("android", ResourceType::kId, "foo")));
   EXPECT_FALSE(create);
   EXPECT_TRUE(private_ref);
 }

 TEST(ResourceUtilsTest, ParseBinaryDynamicReference) {
   android::Res_value value = {};
   value.data = util::HostToDevice32(0x01);
   value.dataType = android::Res_value::TYPE_DYNAMIC_REFERENCE;
   std::unique_ptr<Item> item = ResourceUtils::ParseBinaryResValue(ResourceType::kId,
                                                                   android::ConfigDescription(),
                                                                   android::ResStringPool(), value,
                                                                   nullptr);

   Reference* ref = ValueCast<Reference>(item.get());
   EXPECT_TRUE(ref->is_dynamic);
   EXPECT_EQ(ref->id.value().id, 0x01);
 }

 TEST(ResourceUtilsTest, FailToParseAutoCreateNonIdReference) {
   bool create = false;
   bool private_ref = false;
   ResourceNameRef actual;
   EXPECT_FALSE(ResourceUtils::ParseReference("@+android:color/foo", &actual, &create, &private_ref));
 }

 TEST(ResourceUtilsTest, ParseAttributeReferences) {
   EXPECT_TRUE(ResourceUtils::IsAttributeReference("?android"));
   EXPECT_TRUE(ResourceUtils::IsAttributeReference("?android:foo"));
   EXPECT_TRUE(ResourceUtils::IsAttributeReference("?attr/foo"));
   EXPECT_TRUE(ResourceUtils::IsAttributeReference("?android:attr/foo"));
 }

 TEST(ResourceUtilsTest, FailParseIncompleteReference) {
   EXPECT_FALSE(ResourceUtils::IsAttributeReference("?style/foo"));
   EXPECT_FALSE(ResourceUtils::IsAttributeReference("?android:style/foo"));
   EXPECT_FALSE(ResourceUtils::IsAttributeReference("?android:"));
   EXPECT_FALSE(ResourceUtils::IsAttributeReference("?android:attr/"));
   EXPECT_FALSE(ResourceUtils::IsAttributeReference("?:attr/"));
   EXPECT_FALSE(ResourceUtils::IsAttributeReference("?:attr/foo"));
   EXPECT_FALSE(ResourceUtils::IsAttributeReference("?:/"));
   EXPECT_FALSE(ResourceUtils::IsAttributeReference("?:/foo"));
   EXPECT_FALSE(ResourceUtils::IsAttributeReference("?attr/"));
   EXPECT_FALSE(ResourceUtils::IsAttributeReference("?/foo"));
 }

 TEST(ResourceUtilsTest, ParseStyleParentReference) {
   const ResourceName kAndroidStyleFooName("android", ResourceType::kStyle, "foo");
   const ResourceName kStyleFooName({}, ResourceType::kStyle, "foo");

   std::string err_str;
   Maybe<Reference> ref = ResourceUtils::ParseStyleParentReference("@android:style/foo", &err_str);
   ASSERT_TRUE(ref);
   EXPECT_THAT(ref.value().name, Eq(make_value(kAndroidStyleFooName)));

   ref = ResourceUtils::ParseStyleParentReference("@style/foo", &err_str);
   ASSERT_TRUE(ref);
   EXPECT_THAT(ref.value().name, Eq(make_value(kStyleFooName)));

   ref = ResourceUtils::ParseStyleParentReference("?android:style/foo", &err_str);
   ASSERT_TRUE(ref);
   EXPECT_THAT(ref.value().name, Eq(make_value(kAndroidStyleFooName)));

   ref = ResourceUtils::ParseStyleParentReference("?style/foo", &err_str);
   ASSERT_TRUE(ref);
   EXPECT_THAT(ref.value().name, Eq(make_value(kStyleFooName)));

   ref = ResourceUtils::ParseStyleParentReference("android:style/foo", &err_str);
   ASSERT_TRUE(ref);
   EXPECT_THAT(ref.value().name, Eq(make_value(kAndroidStyleFooName)));

   ref = ResourceUtils::ParseStyleParentReference("android:foo", &err_str);
   ASSERT_TRUE(ref);
   EXPECT_THAT(ref.value().name, Eq(make_value(kAndroidStyleFooName)));

   ref = ResourceUtils::ParseStyleParentReference("@android:foo", &err_str);
   ASSERT_TRUE(ref);
   EXPECT_THAT(ref.value().name, Eq(make_value(kAndroidStyleFooName)));

   ref = ResourceUtils::ParseStyleParentReference("foo", &err_str);
   ASSERT_TRUE(ref);
   EXPECT_THAT(ref.value().name, Eq(make_value(kStyleFooName)));

   ref = ResourceUtils::ParseStyleParentReference("*android:style/foo", &err_str);
   ASSERT_TRUE(ref);
   EXPECT_THAT(ref.value().name, Eq(make_value(kAndroidStyleFooName)));
   EXPECT_TRUE(ref.value().private_reference);
 }

 TEST(ResourceUtilsTest, ParseEmptyFlag) {
   std::unique_ptr<Attribute> attr = test::AttributeBuilder()
                                         .SetTypeMask(ResTable_map::TYPE_FLAGS)
                                         .AddItem("one", 0x01)
                                         .AddItem("two", 0x02)
                                         .Build();

   std::unique_ptr<BinaryPrimitive> result = ResourceUtils::TryParseFlagSymbol(attr.get(), "");
   ASSERT_THAT(result, NotNull());
   EXPECT_THAT(result->value.data, Eq(0u));
 }

 TEST(ResourceUtilsTest, NullIsEmptyReference) {
   ASSERT_THAT(ResourceUtils::MakeNull(), Pointee(ValueEq(Reference())));
   ASSERT_THAT(ResourceUtils::TryParseNullOrEmpty("@null"), Pointee(ValueEq(Reference())));
 }

 TEST(ResourceUtilsTest, EmptyIsBinaryPrimitive) {
   ASSERT_THAT(ResourceUtils::MakeEmpty(), Pointee(ValueEq(BinaryPrimitive(Res_value::TYPE_NULL, Res_value::DATA_NULL_EMPTY))));
   ASSERT_THAT(ResourceUtils::TryParseNullOrEmpty("@empty"), Pointee(ValueEq(BinaryPrimitive(Res_value::TYPE_NULL, Res_value::DATA_NULL_EMPTY))));
 }

 TEST(ResourceUtilsTest, ItemsWithWhitespaceAreParsedCorrectly) {
   EXPECT_THAT(ResourceUtils::TryParseItemForAttribute(" 12\n   ", ResTable_map::TYPE_INTEGER),
               Pointee(ValueEq(BinaryPrimitive(Res_value::TYPE_INT_DEC, 12u))));
   EXPECT_THAT(ResourceUtils::TryParseItemForAttribute(" true\n   ", ResTable_map::TYPE_BOOLEAN),
               Pointee(ValueEq(BinaryPrimitive(Res_value::TYPE_INT_BOOLEAN, 0xffffffffu))));

   const float expected_float = 12.0f;
   const uint32_t expected_float_flattened = *(uint32_t*)&expected_float;
   EXPECT_THAT(ResourceUtils::TryParseItemForAttribute(" 12.0\n   ", ResTable_map::TYPE_FLOAT),
               Pointee(ValueEq(BinaryPrimitive(Res_value::TYPE_FLOAT, expected_float_flattened))));
 }

 TEST(ResourceUtilsTest, ParseSdkVersionWithCodename) {
   EXPECT_THAT(ResourceUtils::ParseSdkVersion("Q"), Eq(Maybe<int>(10000)));
   EXPECT_THAT(
       ResourceUtils::ParseSdkVersion("Q.fingerprint"),
       Eq(Maybe<int>(10000)));

   EXPECT_THAT(ResourceUtils::ParseSdkVersion("R"), Eq(Maybe<int>(10000)));
   EXPECT_THAT(
       ResourceUtils::ParseSdkVersion("R.fingerprint"),
       Eq(Maybe<int>(10000)));
 }

 TEST(ResourceUtilsTest, StringBuilderWhitespaceRemoval) {
   EXPECT_THAT(ResourceUtils::StringBuilder()
                   .AppendText("    hey guys ")
                   .AppendText(" this is so cool ")
                   .to_string(),
               Eq(" hey guys this is so cool "));
   EXPECT_THAT(ResourceUtils::StringBuilder()
                   .AppendText(" \" wow,  so many \t ")
                   .AppendText("spaces. \"what? ")
                   .to_string(),
               Eq("  wow,  so many \t spaces. what? "));
   EXPECT_THAT(ResourceUtils::StringBuilder()
                   .AppendText("  where \t ")
                   .AppendText(" \nis the pie?")
                   .to_string(),
               Eq(" where is the pie?"));
 }

 TEST(ResourceUtilsTest, StringBuilderEscaping) {
   EXPECT_THAT(ResourceUtils::StringBuilder()
                   .AppendText("hey guys\\n ")
                   .AppendText(" this \\t is so\\\\ cool")
                   .to_string(),
               Eq("hey guys\n this \t is so\\ cool"));
   EXPECT_THAT(ResourceUtils::StringBuilder().AppendText("\\@\\?\\#\\\\\\'").to_string(),
               Eq("@?#\\\'"));
 }

 TEST(ResourceUtilsTest, StringBuilderMisplacedQuote) {
   ResourceUtils::StringBuilder builder;
   EXPECT_FALSE(builder.AppendText("they're coming!"));
 }

 TEST(ResourceUtilsTest, StringBuilderUnicodeCodes) {
   EXPECT_THAT(ResourceUtils::StringBuilder().AppendText("\\u00AF\\u0AF0 woah").to_string(),
               Eq("\u00AF\u0AF0 woah"));
   EXPECT_FALSE(ResourceUtils::StringBuilder().AppendText("\\u00 yo"));
 }

 TEST(ResourceUtilsTest, StringBuilderPreserveSpaces) {
   EXPECT_THAT(ResourceUtils::StringBuilder(true /*preserve_spaces*/).AppendText("\"").to_string(),
               Eq("\""));
 }

 }  // namespace aapt
	/*
	* 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 "ResourceUtils.h"

	#include "SdkConstants.h"
	#include "Resource.h"
	#include "test/Test.h"

	using ::aapt::test::ValueEq;
	using ::android::Res_value;
	using ::android::ResTable_map;
	using ::testing::Eq;
	using ::testing::NotNull;
	using ::testing::Pointee;

	namespace aapt {

	TEST(ResourceUtilsTest, ParseBool) {
	EXPECT_THAT(ResourceUtils::ParseBool("true"), Eq(Maybe<bool>(true)));
	EXPECT_THAT(ResourceUtils::ParseBool("TRUE"), Eq(Maybe<bool>(true)));
	EXPECT_THAT(ResourceUtils::ParseBool("True"), Eq(Maybe<bool>(true)));

	EXPECT_THAT(ResourceUtils::ParseBool("false"), Eq(Maybe<bool>(false)));
	EXPECT_THAT(ResourceUtils::ParseBool("FALSE"), Eq(Maybe<bool>(false)));
	EXPECT_THAT(ResourceUtils::ParseBool("False"), Eq(Maybe<bool>(false)));

	EXPECT_THAT(ResourceUtils::ParseBool(" False\n "), Eq(Maybe<bool>(false)));
	}

	TEST(ResourceUtilsTest, ParseResourceName) {
	ResourceNameRef actual;
	bool actual_priv = false;
	EXPECT_TRUE(ResourceUtils::ParseResourceName("android:color/foo", &actual, &actual_priv));
	EXPECT_THAT(actual, Eq(ResourceNameRef("android", ResourceType::kColor, "foo")));
	EXPECT_FALSE(actual_priv);

	EXPECT_TRUE(ResourceUtils::ParseResourceName("color/foo", &actual, &actual_priv));
	EXPECT_THAT(actual, Eq(ResourceNameRef({}, ResourceType::kColor, "foo")));
	EXPECT_FALSE(actual_priv);

	EXPECT_TRUE(ResourceUtils::ParseResourceName("*android:color/foo", &actual, &actual_priv));
	EXPECT_THAT(actual, Eq(ResourceNameRef("android", ResourceType::kColor, "foo")));
	EXPECT_TRUE(actual_priv);

	EXPECT_FALSE(ResourceUtils::ParseResourceName(android::StringPiece(), &actual, &actual_priv));
	}

	TEST(ResourceUtilsTest, ParseReferenceWithNoPackage) {
	ResourceNameRef actual;
	bool create = false;
	bool private_ref = false;
	EXPECT_TRUE(ResourceUtils::ParseReference("@color/foo", &actual, &create, &private_ref));
	EXPECT_THAT(actual, Eq(ResourceNameRef({}, ResourceType::kColor, "foo")));
	EXPECT_FALSE(create);
	EXPECT_FALSE(private_ref);
	}

	TEST(ResourceUtilsTest, ParseReferenceWithPackage) {
	ResourceNameRef actual;
	bool create = false;
	bool private_ref = false;
	EXPECT_TRUE(ResourceUtils::ParseReference("@android:color/foo", &actual, &create, &private_ref));
	EXPECT_THAT(actual, Eq(ResourceNameRef("android", ResourceType::kColor, "foo")));
	EXPECT_FALSE(create);
	EXPECT_FALSE(private_ref);
	}

	TEST(ResourceUtilsTest, ParseReferenceWithSurroundingWhitespace) {
	ResourceNameRef actual;
	bool create = false;
	bool private_ref = false;
	EXPECT_TRUE(ResourceUtils::ParseReference("\t @android:color/foo\n \n\t", &actual, &create, &private_ref));
	EXPECT_THAT(actual, Eq(ResourceNameRef("android", ResourceType::kColor, "foo")));
	EXPECT_FALSE(create);
	EXPECT_FALSE(private_ref);
	}

	TEST(ResourceUtilsTest, ParseAutoCreateIdReference) {
	ResourceNameRef actual;
	bool create = false;
	bool private_ref = false;
	EXPECT_TRUE(ResourceUtils::ParseReference("@+android:id/foo", &actual, &create, &private_ref));
	EXPECT_THAT(actual, Eq(ResourceNameRef("android", ResourceType::kId, "foo")));
	EXPECT_TRUE(create);
	EXPECT_FALSE(private_ref);
	}

	TEST(ResourceUtilsTest, ParsePrivateReference) {
	ResourceNameRef actual;
	bool create = false;
	bool private_ref = false;
	EXPECT_TRUE(ResourceUtils::ParseReference("@*android:id/foo", &actual, &create, &private_ref));
	EXPECT_THAT(actual, Eq(ResourceNameRef("android", ResourceType::kId, "foo")));
	EXPECT_FALSE(create);
	EXPECT_TRUE(private_ref);
	}

	TEST(ResourceUtilsTest, ParseBinaryDynamicReference) {
	android::Res_value value = {};
	value.data = util::HostToDevice32(0x01);
	value.dataType = android::Res_value::TYPE_DYNAMIC_REFERENCE;
	std::unique_ptr<Item> item = ResourceUtils::ParseBinaryResValue(ResourceType::kId,
	android::ConfigDescription(),
	android::ResStringPool(), value,
	nullptr);

	Reference* ref = ValueCast<Reference>(item.get());
	EXPECT_TRUE(ref->is_dynamic);
	EXPECT_EQ(ref->id.value().id, 0x01);
	}

	TEST(ResourceUtilsTest, FailToParseAutoCreateNonIdReference) {
	bool create = false;
	bool private_ref = false;
	ResourceNameRef actual;
	EXPECT_FALSE(ResourceUtils::ParseReference("@+android:color/foo", &actual, &create, &private_ref));
	}

	TEST(ResourceUtilsTest, ParseAttributeReferences) {
	EXPECT_TRUE(ResourceUtils::IsAttributeReference("?android"));
	EXPECT_TRUE(ResourceUtils::IsAttributeReference("?android:foo"));
	EXPECT_TRUE(ResourceUtils::IsAttributeReference("?attr/foo"));
	EXPECT_TRUE(ResourceUtils::IsAttributeReference("?android:attr/foo"));
	}

	TEST(ResourceUtilsTest, FailParseIncompleteReference) {
	EXPECT_FALSE(ResourceUtils::IsAttributeReference("?style/foo"));
	EXPECT_FALSE(ResourceUtils::IsAttributeReference("?android:style/foo"));
	EXPECT_FALSE(ResourceUtils::IsAttributeReference("?android:"));
	EXPECT_FALSE(ResourceUtils::IsAttributeReference("?android:attr/"));
	EXPECT_FALSE(ResourceUtils::IsAttributeReference("?:attr/"));
	EXPECT_FALSE(ResourceUtils::IsAttributeReference("?:attr/foo"));
	EXPECT_FALSE(ResourceUtils::IsAttributeReference("?:/"));
	EXPECT_FALSE(ResourceUtils::IsAttributeReference("?:/foo"));
	EXPECT_FALSE(ResourceUtils::IsAttributeReference("?attr/"));
	EXPECT_FALSE(ResourceUtils::IsAttributeReference("?/foo"));
	}

	TEST(ResourceUtilsTest, ParseStyleParentReference) {
	const ResourceName kAndroidStyleFooName("android", ResourceType::kStyle, "foo");
	const ResourceName kStyleFooName({}, ResourceType::kStyle, "foo");

	std::string err_str;
	Maybe<Reference> ref = ResourceUtils::ParseStyleParentReference("@android:style/foo", &err_str);
	ASSERT_TRUE(ref);
	EXPECT_THAT(ref.value().name, Eq(make_value(kAndroidStyleFooName)));

	ref = ResourceUtils::ParseStyleParentReference("@style/foo", &err_str);
	ASSERT_TRUE(ref);
	EXPECT_THAT(ref.value().name, Eq(make_value(kStyleFooName)));

	ref = ResourceUtils::ParseStyleParentReference("?android:style/foo", &err_str);
	ASSERT_TRUE(ref);
	EXPECT_THAT(ref.value().name, Eq(make_value(kAndroidStyleFooName)));

	ref = ResourceUtils::ParseStyleParentReference("?style/foo", &err_str);
	ASSERT_TRUE(ref);
	EXPECT_THAT(ref.value().name, Eq(make_value(kStyleFooName)));

	ref = ResourceUtils::ParseStyleParentReference("android:style/foo", &err_str);
	ASSERT_TRUE(ref);
	EXPECT_THAT(ref.value().name, Eq(make_value(kAndroidStyleFooName)));

	ref = ResourceUtils::ParseStyleParentReference("android:foo", &err_str);
	ASSERT_TRUE(ref);
	EXPECT_THAT(ref.value().name, Eq(make_value(kAndroidStyleFooName)));

	ref = ResourceUtils::ParseStyleParentReference("@android:foo", &err_str);
	ASSERT_TRUE(ref);
	EXPECT_THAT(ref.value().name, Eq(make_value(kAndroidStyleFooName)));

	ref = ResourceUtils::ParseStyleParentReference("foo", &err_str);
	ASSERT_TRUE(ref);
	EXPECT_THAT(ref.value().name, Eq(make_value(kStyleFooName)));

	ref = ResourceUtils::ParseStyleParentReference("*android:style/foo", &err_str);
	ASSERT_TRUE(ref);
	EXPECT_THAT(ref.value().name, Eq(make_value(kAndroidStyleFooName)));
	EXPECT_TRUE(ref.value().private_reference);
	}

	TEST(ResourceUtilsTest, ParseEmptyFlag) {
	std::unique_ptr<Attribute> attr = test::AttributeBuilder()
	.SetTypeMask(ResTable_map::TYPE_FLAGS)
	.AddItem("one", 0x01)
	.AddItem("two", 0x02)
	.Build();

	std::unique_ptr<BinaryPrimitive> result = ResourceUtils::TryParseFlagSymbol(attr.get(), "");
	ASSERT_THAT(result, NotNull());
	EXPECT_THAT(result->value.data, Eq(0u));
	}

	TEST(ResourceUtilsTest, NullIsEmptyReference) {
	ASSERT_THAT(ResourceUtils::MakeNull(), Pointee(ValueEq(Reference())));
	ASSERT_THAT(ResourceUtils::TryParseNullOrEmpty("@null"), Pointee(ValueEq(Reference())));
	}

	TEST(ResourceUtilsTest, EmptyIsBinaryPrimitive) {
	ASSERT_THAT(ResourceUtils::MakeEmpty(), Pointee(ValueEq(BinaryPrimitive(Res_value::TYPE_NULL, Res_value::DATA_NULL_EMPTY))));
	ASSERT_THAT(ResourceUtils::TryParseNullOrEmpty("@empty"), Pointee(ValueEq(BinaryPrimitive(Res_value::TYPE_NULL, Res_value::DATA_NULL_EMPTY))));
	}

	TEST(ResourceUtilsTest, ItemsWithWhitespaceAreParsedCorrectly) {
	EXPECT_THAT(ResourceUtils::TryParseItemForAttribute(" 12\n ", ResTable_map::TYPE_INTEGER),
	Pointee(ValueEq(BinaryPrimitive(Res_value::TYPE_INT_DEC, 12u))));
	EXPECT_THAT(ResourceUtils::TryParseItemForAttribute(" true\n ", ResTable_map::TYPE_BOOLEAN),
	Pointee(ValueEq(BinaryPrimitive(Res_value::TYPE_INT_BOOLEAN, 0xffffffffu))));

	const float expected_float = 12.0f;
	const uint32_t expected_float_flattened = (uint32_t)&expected_float;
	EXPECT_THAT(ResourceUtils::TryParseItemForAttribute(" 12.0\n ", ResTable_map::TYPE_FLOAT),
	Pointee(ValueEq(BinaryPrimitive(Res_value::TYPE_FLOAT, expected_float_flattened))));
	}

	TEST(ResourceUtilsTest, ParseSdkVersionWithCodename) {
	EXPECT_THAT(ResourceUtils::ParseSdkVersion("Q"), Eq(Maybe<int>(10000)));
	EXPECT_THAT(
	ResourceUtils::ParseSdkVersion("Q.fingerprint"),
	Eq(Maybe<int>(10000)));

	EXPECT_THAT(ResourceUtils::ParseSdkVersion("R"), Eq(Maybe<int>(10000)));
	EXPECT_THAT(
	ResourceUtils::ParseSdkVersion("R.fingerprint"),
	Eq(Maybe<int>(10000)));
	}

	TEST(ResourceUtilsTest, StringBuilderWhitespaceRemoval) {
	EXPECT_THAT(ResourceUtils::StringBuilder()
	.AppendText(" hey guys ")
	.AppendText(" this is so cool ")
	.to_string(),
	Eq(" hey guys this is so cool "));
	EXPECT_THAT(ResourceUtils::StringBuilder()
	.AppendText(" \" wow, so many \t ")
	.AppendText("spaces. \"what? ")
	.to_string(),
	Eq(" wow, so many \t spaces. what? "));
	EXPECT_THAT(ResourceUtils::StringBuilder()
	.AppendText(" where \t ")
	.AppendText(" \nis the pie?")
	.to_string(),
	Eq(" where is the pie?"));
	}

	TEST(ResourceUtilsTest, StringBuilderEscaping) {
	EXPECT_THAT(ResourceUtils::StringBuilder()
	.AppendText("hey guys\\n ")
	.AppendText(" this \\t is so\\\\ cool")
	.to_string(),
	Eq("hey guys\n this \t is so\\ cool"));
	EXPECT_THAT(ResourceUtils::StringBuilder().AppendText("\\@\\?\\#\\\\\\'").to_string(),
	Eq("@?#\\\'"));
	}

	TEST(ResourceUtilsTest, StringBuilderMisplacedQuote) {
	ResourceUtils::StringBuilder builder;
	EXPECT_FALSE(builder.AppendText("they're coming!"));
	}

	TEST(ResourceUtilsTest, StringBuilderUnicodeCodes) {
	EXPECT_THAT(ResourceUtils::StringBuilder().AppendText("\\u00AF\\u0AF0 woah").to_string(),
	Eq("\u00AF\u0AF0 woah"));
	EXPECT_FALSE(ResourceUtils::StringBuilder().AppendText("\\u00 yo"));
	}

	TEST(ResourceUtilsTest, StringBuilderPreserveSpaces) {
	EXPECT_THAT(ResourceUtils::StringBuilder(true /preserve_spaces/).AppendText("\"").to_string(),
	Eq("\""));
	}

	} // namespace aapt