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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "chrome/browser/android/contextualsearch/search_action.h" |
| 6 |
| 7 #include "base/gtest_prod_util.h" |
| 8 #include "base/strings/utf_string_conversions.h" |
| 9 #include "testing/gtest/include/gtest/gtest.h" |
| 10 |
| 11 using base::string16; |
| 12 using base::UTF8ToUTF16; |
| 13 using std::pair; |
| 14 |
| 15 // Tests parts of the SearchAction class. |
| 16 // This is part of the 2016-refactoring (crbug.com/624609, |
| 17 // go/cs-refactoring-2016). |
| 18 class SearchActionTest : public testing::Test { |
| 19 public: |
| 20 SearchActionTest() {} |
| 21 ~SearchActionTest() override {} |
| 22 |
| 23 // The class under test. |
| 24 std::unique_ptr<SearchAction> search_action_; |
| 25 |
| 26 protected: |
| 27 void SetUp() override { search_action_.reset(new SearchAction()); } |
| 28 void TearDown() override {} |
| 29 |
| 30 // Helper to set the context to the given sample and focus on |focus|. |
| 31 void SetContext(std::string sample, std::string focus); |
| 32 }; |
| 33 |
| 34 void SearchActionTest::SetContext(std::string sample, std::string focus) { |
| 35 size_t offset = sample.find(focus); |
| 36 ASSERT_NE(offset, std::string::npos); |
| 37 search_action_->SetContext(sample, offset, offset + focus.length()); |
| 38 } |
| 39 |
| 40 TEST_F(SearchActionTest, IsValidCharacterTest) { |
| 41 EXPECT_TRUE(search_action_->IsValidCharacter('a')); |
| 42 EXPECT_TRUE(search_action_->IsValidCharacter('A')); |
| 43 EXPECT_TRUE(search_action_->IsValidCharacter('0')); |
| 44 |
| 45 EXPECT_FALSE(search_action_->IsValidCharacter(',')); |
| 46 EXPECT_FALSE(search_action_->IsValidCharacter(' ')); |
| 47 EXPECT_FALSE(search_action_->IsValidCharacter('-')); |
| 48 } |
| 49 |
| 50 TEST_F(SearchActionTest, FindFocusedWordTest) { |
| 51 // Test finding "word" within this sample string. |
| 52 std::string sample = "Sample word, text"; |
| 53 |
| 54 // Any range inside the word but before the end should return the word. |
| 55 search_action_->SetContext(sample, 7, 7); |
| 56 EXPECT_EQ("word", search_action_->FindFocusedWord()); |
| 57 search_action_->SetContext(sample, 10, 10); |
| 58 EXPECT_EQ("word", search_action_->FindFocusedWord()); |
| 59 search_action_->SetContext(sample, 7, 11); |
| 60 EXPECT_EQ("word", search_action_->FindFocusedWord()); |
| 61 |
| 62 // A range just past the word returns an empty string. |
| 63 search_action_->SetContext(sample, 11, 11); |
| 64 EXPECT_EQ("", search_action_->FindFocusedWord()); |
| 65 } |
| 66 |
| 67 TEST_F(SearchActionTest, SampleSurroundingsTest) { |
| 68 std::string focus = "focus"; |
| 69 std::string sample = "987654321focus123456789"; |
| 70 |
| 71 // Sample big enough to include both ends. |
| 72 SetContext(sample, focus); |
| 73 EXPECT_EQ(sample, search_action_->GetSampleText(100)); |
| 74 |
| 75 // Must trim both ends, trimming 6 off each end. |
| 76 EXPECT_EQ("321focus123", search_action_->GetSampleText(12)); |
| 77 |
| 78 // With focus near the beginning, extra is shifted to the end. |
| 79 SetContext("321focus123456789", focus); |
| 80 EXPECT_EQ("321focus12345", search_action_->GetSampleText(13)); |
| 81 |
| 82 // With focus near the end, extra is shifted to the beginning. |
| 83 SetContext("987654321focus123", focus); |
| 84 EXPECT_EQ("54321focus123", search_action_->GetSampleText(13)); |
| 85 |
| 86 // Requesting less than the focus. |
| 87 SetContext("focus", focus); |
| 88 EXPECT_EQ("c", search_action_->GetSampleText(1)); |
| 89 } |
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