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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 "StringPool.h"
+#include "Util.h"
+
+#include <gtest/gtest.h>
+#include <string>
+
+using namespace android;
+
+namespace aapt {
+
+TEST(StringPoolTest, InsertOneString) {
+ StringPool pool;
+
+ StringPool::Ref ref = pool.makeRef(u"wut");
+ EXPECT_EQ(*ref, u"wut");
+}
+
+TEST(StringPoolTest, InsertTwoUniqueStrings) {
+ StringPool pool;
+
+ StringPool::Ref ref = pool.makeRef(u"wut");
+ StringPool::Ref ref2 = pool.makeRef(u"hey");
+
+ EXPECT_EQ(*ref, u"wut");
+ EXPECT_EQ(*ref2, u"hey");
+}
+
+TEST(StringPoolTest, DoNotInsertNewDuplicateString) {
+ StringPool pool;
+
+ StringPool::Ref ref = pool.makeRef(u"wut");
+ StringPool::Ref ref2 = pool.makeRef(u"wut");
+
+ EXPECT_EQ(*ref, u"wut");
+ EXPECT_EQ(*ref2, u"wut");
+ EXPECT_EQ(1u, pool.size());
+}
+
+TEST(StringPoolTest, MaintainInsertionOrderIndex) {
+ StringPool pool;
+
+ StringPool::Ref ref = pool.makeRef(u"z");
+ StringPool::Ref ref2 = pool.makeRef(u"a");
+ StringPool::Ref ref3 = pool.makeRef(u"m");
+
+ EXPECT_EQ(0u, ref.getIndex());
+ EXPECT_EQ(1u, ref2.getIndex());
+ EXPECT_EQ(2u, ref3.getIndex());
+}
+
+TEST(StringPoolTest, PruneStringsWithNoReferences) {
+ StringPool pool;
+
+ {
+ StringPool::Ref ref = pool.makeRef(u"wut");
+ EXPECT_EQ(*ref, u"wut");
+ EXPECT_EQ(1u, pool.size());
+ }
+
+ EXPECT_EQ(1u, pool.size());
+ pool.prune();
+ EXPECT_EQ(0u, pool.size());
+}
+
+TEST(StringPoolTest, SortAndMaintainIndexesInReferences) {
+ StringPool pool;
+
+ StringPool::Ref ref = pool.makeRef(u"z");
+ StringPool::StyleRef ref2 = pool.makeRef(StyleString{ {u"a"} });
+ StringPool::Ref ref3 = pool.makeRef(u"m");
+
+ EXPECT_EQ(*ref, u"z");
+ EXPECT_EQ(0u, ref.getIndex());
+
+ EXPECT_EQ(*(ref2->str), u"a");
+ EXPECT_EQ(1u, ref2.getIndex());
+
+ EXPECT_EQ(*ref3, u"m");
+ EXPECT_EQ(2u, ref3.getIndex());
+
+ pool.sort([](const StringPool::Entry& a, const StringPool::Entry& b) -> bool {
+ return a.value < b.value;
+ });
+
+
+ EXPECT_EQ(*ref, u"z");
+ EXPECT_EQ(2u, ref.getIndex());
+
+ EXPECT_EQ(*(ref2->str), u"a");
+ EXPECT_EQ(0u, ref2.getIndex());
+
+ EXPECT_EQ(*ref3, u"m");
+ EXPECT_EQ(1u, ref3.getIndex());
+}
+
+TEST(StringPoolTest, SortAndStillDedupe) {
+ StringPool pool;
+
+ StringPool::Ref ref = pool.makeRef(u"z");
+ StringPool::Ref ref2 = pool.makeRef(u"a");
+ StringPool::Ref ref3 = pool.makeRef(u"m");
+
+ pool.sort([](const StringPool::Entry& a, const StringPool::Entry& b) -> bool {
+ return a.value < b.value;
+ });
+
+ StringPool::Ref ref4 = pool.makeRef(u"z");
+ StringPool::Ref ref5 = pool.makeRef(u"a");
+ StringPool::Ref ref6 = pool.makeRef(u"m");
+
+ EXPECT_EQ(ref4.getIndex(), ref.getIndex());
+ EXPECT_EQ(ref5.getIndex(), ref2.getIndex());
+ EXPECT_EQ(ref6.getIndex(), ref3.getIndex());
+}
+
+TEST(StringPoolTest, AddStyles) {
+ StringPool pool;
+
+ StyleString str {
+ { u"android" },
+ {
+ Span{ { u"b" }, 2, 6 }
+ }
+ };
+
+ StringPool::StyleRef ref = pool.makeRef(str);
+
+ EXPECT_EQ(0u, ref.getIndex());
+ EXPECT_EQ(std::u16string(u"android"), *(ref->str));
+ ASSERT_EQ(1u, ref->spans.size());
+
+ const StringPool::Span& span = ref->spans.front();
+ EXPECT_EQ(*(span.name), u"b");
+ EXPECT_EQ(2u, span.firstChar);
+ EXPECT_EQ(6u, span.lastChar);
+}
+
+TEST(StringPoolTest, DoNotDedupeStyleWithSameStringAsNonStyle) {
+ StringPool pool;
+
+ StringPool::Ref ref = pool.makeRef(u"android");
+
+ StyleString str { { u"android" } };
+ StringPool::StyleRef styleRef = pool.makeRef(str);
+
+ EXPECT_NE(ref.getIndex(), styleRef.getIndex());
+}
+
+TEST(StringPoolTest, FlattenEmptyStringPoolUtf8) {
+ StringPool pool;
+ BigBuffer buffer(1024);
+ StringPool::flattenUtf8(&buffer, pool);
+
+ std::unique_ptr<uint8_t[]> data = util::copy(buffer);
+ android::ResStringPool test;
+ ASSERT_EQ(test.setTo(data.get(), buffer.size()), android::NO_ERROR);
+}
+
+constexpr const char16_t* sLongString = u"バッテリーを長持ちさせるため、バッテリーセーバーは端末のパフォーマンスを抑え、バイブレーション、位置情報サービス、大半のバックグラウンドデータを制限します。メール、SMSや、同期を使 用するその他のアプリは、起動しても更新されないことがあります。バッテリーセーバーは端末の充電中は自動的にOFFになります。";
+
+TEST(StringPoolTest, FlattenUtf8) {
+ StringPool pool;
+
+ StringPool::Ref ref1 = pool.makeRef(u"hello");
+ StringPool::Ref ref2 = pool.makeRef(u"goodbye");
+ StringPool::Ref ref3 = pool.makeRef(sLongString);
+ StringPool::StyleRef ref4 = pool.makeRef(StyleString{
+ { u"style" },
+ { Span{ { u"b" }, 0, 1 }, Span{ { u"i" }, 2, 3 } }
+ });
+
+ EXPECT_EQ(0u, ref1.getIndex());
+ EXPECT_EQ(1u, ref2.getIndex());
+ EXPECT_EQ(2u, ref3.getIndex());
+ EXPECT_EQ(3u, ref4.getIndex());
+
+ BigBuffer buffer(1024);
+ StringPool::flattenUtf8(&buffer, pool);
+
+ std::unique_ptr<uint8_t[]> data = util::copy(buffer);
+ {
+ android::ResStringPool test;
+ ASSERT_EQ(test.setTo(data.get(), buffer.size()), android::NO_ERROR);
+
+ EXPECT_EQ(util::getString(test, 0), u"hello");
+ EXPECT_EQ(util::getString(test, 1), u"goodbye");
+ EXPECT_EQ(util::getString(test, 2), sLongString);
+ EXPECT_EQ(util::getString(test, 3), u"style");
+
+ const ResStringPool_span* span = test.styleAt(3);
+ ASSERT_NE(nullptr, span);
+ EXPECT_EQ(util::getString(test, span->name.index), u"b");
+ EXPECT_EQ(0u, span->firstChar);
+ EXPECT_EQ(1u, span->lastChar);
+ span++;
+
+ ASSERT_NE(ResStringPool_span::END, span->name.index);
+ EXPECT_EQ(util::getString(test, span->name.index), u"i");
+ EXPECT_EQ(2u, span->firstChar);
+ EXPECT_EQ(3u, span->lastChar);
+ span++;
+
+ EXPECT_EQ(ResStringPool_span::END, span->name.index);
+ }
+}
+
+} // namespace aapt
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