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// Copyright 2014 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 "components/variations/experiment_labels.h"
#include <stddef.h>
#include <set>
#include <string>
#include <vector>
#include "base/macros.h"
#include "base/metrics/field_trial.h"
#include "base/strings/string_split.h"
#include "base/strings/utf_string_conversions.h"
#include "components/variations/variations_associated_data.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace variations {
TEST(ExperimentLabelsTest, ExtractNonVariationLabels) {
struct {
const char* input_label;
const char* expected_output;
} test_cases[] = {
// Empty
{"", ""},
// One
{"gcapi_brand=123|Tue, 21 Jan 2014 15:30:21 GMT",
"gcapi_brand=123|Tue, 21 Jan 2014 15:30:21 GMT"},
// Three
{"CrVar1=123|Tue, 21 Jan 2014 15:30:21 GMT;"
"experiment1=456|Tue, 21 Jan 2014 15:30:21 GMT;"
"experiment2=789|Tue, 21 Jan 2014 15:30:21 GMT;"
"CrVar1=123|Tue, 21 Jan 2014 15:30:21 GMT",
"experiment1=456|Tue, 21 Jan 2014 15:30:21 GMT;"
"experiment2=789|Tue, 21 Jan 2014 15:30:21 GMT"},
// One and one Variation
{"gcapi_brand=123|Tue, 21 Jan 2014 15:30:21 GMT;"
"CrVar1=3310002|Tue, 21 Jan 2014 15:30:21 GMT",
"gcapi_brand=123|Tue, 21 Jan 2014 15:30:21 GMT"},
// One and one Variation, flipped
{"CrVar1=3310002|Tue, 21 Jan 2014 15:30:21 GMT;"
"gcapi_brand=123|Tue, 21 Jan 2014 15:30:21 GMT",
"gcapi_brand=123|Tue, 21 Jan 2014 15:30:21 GMT"},
// Sandwiched
{"CrVar1=3310002|Tue, 21 Jan 2014 15:30:21 GMT;"
"gcapi_brand=123|Tue, 21 Jan 2014 15:30:21 GMT;"
"CrVar2=3310003|Tue, 21 Jan 2014 15:30:21 GMT;"
"CrVar3=3310004|Tue, 21 Jan 2014 15:30:21 GMT",
"gcapi_brand=123|Tue, 21 Jan 2014 15:30:21 GMT"},
// Only Variations
{"CrVar1=3310002|Tue, 21 Jan 2014 15:30:21 GMT;"
"CrVar2=3310003|Tue, 21 Jan 2014 15:30:21 GMT;"
"CrVar3=3310004|Tue, 21 Jan 2014 15:30:21 GMT",
""},
// Empty values
{"gcapi_brand=123|Tue, 21 Jan 2014 15:30:21 GMT;"
"CrVar1=3310002|Tue, 21 Jan 2014 15:30:21 GMT",
"gcapi_brand=123|Tue, 21 Jan 2014 15:30:21 GMT"},
// Trailing semicolon
{"gcapi_brand=123|Tue, 21 Jan 2014 15:30:21 GMT;"
"CrVar1=3310002|Tue, 21 Jan 2014 15:30:21 GMT;", // Note the semi here.
"gcapi_brand=123|Tue, 21 Jan 2014 15:30:21 GMT"},
// Semis
{";;;;", ""},
// Three non-Variation labels
// Testing that the order is preserved.
{"experiment1=456|Tue, 21 Jan 2014 15:30:21 GMT;"
"experiment2=789|Tue, 21 Jan 2014 15:30:21 GMT;"
"experiment3=123|Tue, 21 Jan 2014 15:30:21 GMT",
"experiment1=456|Tue, 21 Jan 2014 15:30:21 GMT;"
"experiment2=789|Tue, 21 Jan 2014 15:30:21 GMT;"
"experiment3=123|Tue, 21 Jan 2014 15:30:21 GMT"},
};
for (size_t i = 0; i < arraysize(test_cases); ++i) {
std::string non_variation_labels = base::UTF16ToUTF8(
ExtractNonVariationLabels(
base::ASCIIToUTF16(test_cases[i].input_label)));
EXPECT_EQ(test_cases[i].expected_output, non_variation_labels);
}
}
} // namespace variations
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