chrome/browser/autocomplete/autocomplete_match_unittest.cc

   1 // Copyright (c) 2012 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/autocomplete/autocomplete_match.h"
   6
   7 #include "base/basictypes.h"
   8 #include "testing/gtest/include/gtest/gtest.h"
   9
  10 TEST(AutocompleteMatchTest, MoreRelevant) {
  11   struct RelevantCases {
  12     int r1;
  13     int r2;
  14     bool expected_result;
  15   } cases[] = {
  16     {  10,   0, true  },
  17     {  10,  -5, true  },
  18     {  -5,  10, false },
  19     {   0,  10, false },
  20     { -10,  -5, false  },
  21     {  -5, -10, true },
  22   };
  23
  24   AutocompleteMatch m1(NULL, 0, false,
  25                        AutocompleteMatchType::URL_WHAT_YOU_TYPED);
  26   AutocompleteMatch m2(NULL, 0, false,
  27                        AutocompleteMatchType::URL_WHAT_YOU_TYPED);
  28
  29   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) {
  30     m1.relevance = cases[i].r1;
  31     m2.relevance = cases[i].r2;
  32     EXPECT_EQ(cases[i].expected_result,
  33               AutocompleteMatch::MoreRelevant(m1, m2));
  34   }
  35 }
  36
  37 TEST(AutocompleteMatchTest, MergeClassifications) {
  38   // Merging two empty vectors should result in an empty vector.
  39   EXPECT_EQ(std::string(),
  40       AutocompleteMatch::ClassificationsToString(
  41           AutocompleteMatch::MergeClassifications(
  42               AutocompleteMatch::ACMatchClassifications(),
  43               AutocompleteMatch::ACMatchClassifications())));
  44
  45   // If one vector is empty and the other is "trivial" but non-empty (i.e. (0,
  46   // NONE)), the non-empty vector should be returned.
  47   EXPECT_EQ("0,0",
  48       AutocompleteMatch::ClassificationsToString(
  49           AutocompleteMatch::MergeClassifications(
  50               AutocompleteMatch::ClassificationsFromString("0,0"),
  51               AutocompleteMatch::ACMatchClassifications())));
  52   EXPECT_EQ("0,0",
  53       AutocompleteMatch::ClassificationsToString(
  54           AutocompleteMatch::MergeClassifications(
  55               AutocompleteMatch::ACMatchClassifications(),
  56               AutocompleteMatch::ClassificationsFromString("0,0"))));
  57
  58   // Ditto if the one-entry vector is non-trivial.
  59   EXPECT_EQ("0,1",
  60       AutocompleteMatch::ClassificationsToString(
  61           AutocompleteMatch::MergeClassifications(
  62               AutocompleteMatch::ClassificationsFromString("0,1"),
  63               AutocompleteMatch::ACMatchClassifications())));
  64   EXPECT_EQ("0,1",
  65       AutocompleteMatch::ClassificationsToString(
  66           AutocompleteMatch::MergeClassifications(
  67               AutocompleteMatch::ACMatchClassifications(),
  68               AutocompleteMatch::ClassificationsFromString("0,1"))));
  69
  70   // Merge an unstyled one-entry vector with a styled one-entry vector.
  71   EXPECT_EQ("0,1",
  72       AutocompleteMatch::ClassificationsToString(
  73           AutocompleteMatch::MergeClassifications(
  74               AutocompleteMatch::ClassificationsFromString("0,0"),
  75               AutocompleteMatch::ClassificationsFromString("0,1"))));
  76
  77   // Test simple cases of overlap.
  78   EXPECT_EQ("0,3," "1,2",
  79       AutocompleteMatch::ClassificationsToString(
  80           AutocompleteMatch::MergeClassifications(
  81               AutocompleteMatch::ClassificationsFromString("0,1," "1,0"),
  82               AutocompleteMatch::ClassificationsFromString("0,2"))));
  83   EXPECT_EQ("0,3," "1,2",
  84       AutocompleteMatch::ClassificationsToString(
  85           AutocompleteMatch::MergeClassifications(
  86               AutocompleteMatch::ClassificationsFromString("0,2"),
  87               AutocompleteMatch::ClassificationsFromString("0,1," "1,0"))));
  88
  89   // Test the case where both vectors have classifications at the same
  90   // positions.
  91   EXPECT_EQ("0,3",
  92       AutocompleteMatch::ClassificationsToString(
  93           AutocompleteMatch::MergeClassifications(
  94               AutocompleteMatch::ClassificationsFromString("0,1," "1,2"),
  95               AutocompleteMatch::ClassificationsFromString("0,2," "1,1"))));
  96
  97   // Test an arbitrary complicated case.
  98   EXPECT_EQ("0,2," "1,0," "2,1," "4,3," "5,7," "6,3," "7,7," "15,1," "17,0",
  99       AutocompleteMatch::ClassificationsToString(
 100           AutocompleteMatch::MergeClassifications(
 101               AutocompleteMatch::ClassificationsFromString(
 102                   "0,0," "2,1," "4,3," "7,7," "10,6," "15,0"),
 103               AutocompleteMatch::ClassificationsFromString(
 104                   "0,2," "1,0," "5,7," "6,1," "17,0"))));
 105 }