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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/strings/utf_string_conversions.h"
#include "pdf/pdfium/pdfium_engine.h"
#include "pdf/pdfium/pdfium_test_base.h"
#include "pdf/test/test_client.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
using testing::_;
using testing::InSequence;
namespace chrome_pdf {
namespace {
class FindTextTestClient : public TestClient {
public:
FindTextTestClient() = default;
FindTextTestClient(const FindTextTestClient&) = delete;
FindTextTestClient& operator=(const FindTextTestClient&) = delete;
~FindTextTestClient() override = default;
// PDFEngine::Client:
MOCK_METHOD(void, NotifyNumberOfFindResultsChanged, (int, bool), (override));
MOCK_METHOD(void, NotifySelectedFindResultChanged, (int), (override));
std::vector<SearchStringResult> SearchString(const char16_t* string,
const char16_t* term,
bool case_sensitive) override {
EXPECT_TRUE(case_sensitive);
std::u16string haystack = std::u16string(string);
std::u16string needle = std::u16string(term);
std::vector<SearchStringResult> results;
size_t pos = 0;
while (true) {
pos = haystack.find(needle, pos);
if (pos == std::u16string::npos)
break;
SearchStringResult result;
result.length = needle.size();
result.start_index = pos;
results.push_back(result);
pos += needle.size();
}
return results;
}
};
} // namespace
using FindTextTest = PDFiumTestBase;
TEST_F(FindTextTest, FindText) {
FindTextTestClient client;
std::unique_ptr<PDFiumEngine> engine =
InitializeEngine(&client, FILE_PATH_LITERAL("hello_world2.pdf"));
ASSERT_TRUE(engine);
{
InSequence sequence;
EXPECT_CALL(client, NotifyNumberOfFindResultsChanged(1, false));
EXPECT_CALL(client, NotifySelectedFindResultChanged(0));
for (int i = 1; i < 10; ++i)
EXPECT_CALL(client, NotifyNumberOfFindResultsChanged(i + 1, false));
EXPECT_CALL(client, NotifyNumberOfFindResultsChanged(10, true));
}
engine->StartFind("o", /*case_sensitive=*/true);
}
TEST_F(FindTextTest, FindHyphenatedText) {
FindTextTestClient client;
std::unique_ptr<PDFiumEngine> engine =
InitializeEngine(&client, FILE_PATH_LITERAL("spanner.pdf"));
ASSERT_TRUE(engine);
{
InSequence sequence;
EXPECT_CALL(client, NotifyNumberOfFindResultsChanged(1, false));
EXPECT_CALL(client, NotifySelectedFindResultChanged(0));
for (int i = 1; i < 6; ++i)
EXPECT_CALL(client, NotifyNumberOfFindResultsChanged(i + 1, false));
EXPECT_CALL(client, NotifyNumberOfFindResultsChanged(6, true));
}
engine->StartFind("application", /*case_sensitive=*/true);
}
TEST_F(FindTextTest, FindLineBreakText) {
FindTextTestClient client;
std::unique_ptr<PDFiumEngine> engine =
InitializeEngine(&client, FILE_PATH_LITERAL("spanner.pdf"));
ASSERT_TRUE(engine);
{
InSequence sequence;
EXPECT_CALL(client, NotifyNumberOfFindResultsChanged(1, false));
EXPECT_CALL(client, NotifySelectedFindResultChanged(0));
EXPECT_CALL(client, NotifyNumberOfFindResultsChanged(1, true));
}
engine->StartFind("is the first system", /*case_sensitive=*/true);
}
TEST_F(FindTextTest, FindSimpleQuotationMarkText) {
FindTextTestClient client;
std::unique_ptr<PDFiumEngine> engine =
InitializeEngine(&client, FILE_PATH_LITERAL("bug_142627.pdf"));
ASSERT_TRUE(engine);
{
InSequence sequence;
EXPECT_CALL(client, NotifyNumberOfFindResultsChanged(1, false));
EXPECT_CALL(client, NotifySelectedFindResultChanged(0));
EXPECT_CALL(client, NotifyNumberOfFindResultsChanged(2, false));
EXPECT_CALL(client, NotifyNumberOfFindResultsChanged(2, true));
}
engine->StartFind("don't", /*case_sensitive=*/true);
}
TEST_F(FindTextTest, FindFancyQuotationMarkText) {
FindTextTestClient client;
std::unique_ptr<PDFiumEngine> engine =
InitializeEngine(&client, FILE_PATH_LITERAL("bug_142627.pdf"));
ASSERT_TRUE(engine);
{
InSequence sequence;
EXPECT_CALL(client, NotifyNumberOfFindResultsChanged(1, false));
EXPECT_CALL(client, NotifySelectedFindResultChanged(0));
EXPECT_CALL(client, NotifyNumberOfFindResultsChanged(2, false));
EXPECT_CALL(client, NotifyNumberOfFindResultsChanged(2, true));
}
// don't, using right apostrophe instead of a single quotation mark
std::u16string term = {'d', 'o', 'n', 0x2019, 't'};
engine->StartFind(base::UTF16ToUTF8(term), /*case_sensitive=*/true);
}
} // namespace chrome_pdf
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