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// Copyright (c) 2013 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 "chrome/browser/search_engines/template_url.h"
#include "chrome/browser/ui/search/search.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace chrome {
namespace search {

TEST(EmbeddedSearchFieldTrialTest, GetFieldTrialInfo) {
  FieldTrialFlags flags;
  uint64 group_number = 0;
  const uint64 ZERO = 0;

  EXPECT_FALSE(GetFieldTrialInfo("", &flags, &group_number));
  EXPECT_EQ(ZERO, group_number);
  EXPECT_EQ(ZERO, flags.size());

  EXPECT_TRUE(GetFieldTrialInfo("Group77", &flags, &group_number));
  EXPECT_EQ(uint64(77), group_number);
  EXPECT_EQ(ZERO, flags.size());

  group_number = 0;
  EXPECT_FALSE(GetFieldTrialInfo("Group77.2", &flags, &group_number));
  EXPECT_EQ(ZERO, group_number);
  EXPECT_EQ(ZERO, flags.size());

  EXPECT_FALSE(GetFieldTrialInfo("Invalid77", &flags, &group_number));
  EXPECT_EQ(ZERO, group_number);
  EXPECT_EQ(ZERO, flags.size());

  EXPECT_FALSE(GetFieldTrialInfo("Invalid77", &flags, NULL));
  EXPECT_EQ(ZERO, flags.size());

  EXPECT_TRUE(GetFieldTrialInfo("Group77 ", &flags, &group_number));
  EXPECT_EQ(uint64(77), group_number);
  EXPECT_EQ(ZERO, flags.size());

  group_number = 0;
  flags.clear();
  EXPECT_EQ(uint64(9999), GetUInt64ValueForFlagWithDefault("foo", 9999, flags));
  EXPECT_TRUE(GetFieldTrialInfo("Group77 foo:6", &flags, &group_number));
  EXPECT_EQ(uint64(77), group_number);
  EXPECT_EQ(uint64(1), flags.size());
  EXPECT_EQ(uint64(6), GetUInt64ValueForFlagWithDefault("foo", 9999, flags));

  group_number = 0;
  flags.clear();
  EXPECT_TRUE(GetFieldTrialInfo(
      "Group77 bar:1 baz:7 cat:dogs", &flags, &group_number));
  EXPECT_EQ(uint64(77), group_number);
  EXPECT_EQ(uint64(3), flags.size());
  EXPECT_EQ(true, GetBoolValueForFlagWithDefault("bar", false, flags));
  EXPECT_EQ(uint64(7), GetUInt64ValueForFlagWithDefault("baz", 0, flags));
  EXPECT_EQ("dogs", GetStringValueForFlagWithDefault("cat", "", flags));
  EXPECT_EQ("default", GetStringValueForFlagWithDefault(
      "moose", "default", flags));

  group_number = 0;
  flags.clear();
  EXPECT_FALSE(GetFieldTrialInfo(
      "Group77 bar:1 baz:7 cat:dogs DISABLED", &flags, &group_number));
  EXPECT_EQ(ZERO, group_number);
  EXPECT_EQ(ZERO, flags.size());
}

TEST(SearchTest, ShouldAssignURLToInstantRendererImpl) {
  TemplateURLData data;
  data.SetURL("http://foo.com/url?bar={searchTerms}");
  data.instant_url = "http://foo.com/instant";
  data.alternate_urls.push_back("http://foo.com/alt#quux={searchTerms}");
  data.search_terms_replacement_key = "strk";
  TemplateURL url(NULL, data);

  struct {
    const char* const url;
    bool extended_api_enabled;
    bool expected_result;
  } kTestCases[] = {
    {"invalid URL",                     false, false},
    {"unknown://scheme/path",           false, false},
    {"chrome-search://foo/bar",         false,  true},
    {kLocalOmniboxPopupURL,             false, false},
    {kLocalOmniboxPopupURL,              true,  true},
    {"http://foo.com/instant",          false,  true},
    {"http://foo.com/instant?foo=bar",  false,  true},
    {"https://foo.com/instant",         false,  true},
    {"https://foo.com/instant#foo=bar", false,  true},
    {"HtTpS://fOo.CoM/instant",         false,  true},
    {"http://foo.com:80/instant",       false,  true},
    {"ftp://foo.com/instant",           false, false},
    {"http://sub.foo.com/instant",      false, false},
    {"http://foo.com:26/instant",       false, false},
    {"http://foo.com/instant/bar",      false, false},
    {"http://foo.com/Instant",          false, false},
    {"https://foo.com/instant?strk",     true,  true},
    {"https://foo.com/instant#strk",     true,  true},
    {"https://foo.com/instant?strk=0",   true,  true},
    {"http://foo.com/instant",           true, false},
    {"https://foo.com/instant",          true, false},
    {"http://foo.com/instant?strk=1",    true, false},
    {"https://foo.com/url?strk",         true,  true},
    {"https://foo.com/alt?strk",         true,  true},
  };

  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kTestCases); ++i) {
    EXPECT_EQ(kTestCases[i].expected_result,
              ShouldAssignURLToInstantRendererImpl(
                  GURL(kTestCases[i].url),
                  kTestCases[i].extended_api_enabled,
                  &url)) << kTestCases[i].url << " "
                         << kTestCases[i].extended_api_enabled;
  }
}

}  // namespace search
}  // namespace chrome