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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/attribution_reporting/event_level_epsilon.h"
#include "base/test/gmock_expected_support.h"
#include "base/test/values_test_util.h"
#include "base/time/time.h"
#include "base/types/expected.h"
#include "base/values.h"
#include "components/attribution_reporting/source_registration_error.mojom.h"
#include "components/attribution_reporting/test_utils.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace attribution_reporting {
namespace {
using ::attribution_reporting::mojom::SourceRegistrationError;
using ::base::test::ErrorIs;
using ::base::test::ValueIs;
TEST(EventLevelEpsilonTest, Parse) {
const struct {
const char* desc;
const char* json;
::testing::Matcher<base::expected<double, SourceRegistrationError>> matches;
} kTestCases[] = {
{
.desc = "missing",
.json = R"json({})json",
.matches = ValueIs(14),
},
{
.desc = "wrong_type",
.json = R"json({"event_level_epsilon": "1"})json",
.matches =
ErrorIs(SourceRegistrationError::kEventLevelEpsilonValueInvalid),
},
{
.desc = "negative",
.json = R"json({"event_level_epsilon": -1})json",
.matches =
ErrorIs(SourceRegistrationError::kEventLevelEpsilonValueInvalid),
},
{
.desc = "zero",
.json = R"json({"event_level_epsilon": 0})json",
.matches = ValueIs(0),
},
{
.desc = "max",
.json = R"json({"event_level_epsilon": 14})json",
.matches = ValueIs(14),
},
{
.desc = "greater_than_max",
.json = R"json({"event_level_epsilon": 14.01})json",
.matches =
ErrorIs(SourceRegistrationError::kEventLevelEpsilonValueInvalid),
},
{
.desc = "valid",
.json = R"json({"event_level_epsilon": 8.2})json",
.matches = ValueIs(8.2),
},
};
for (const auto& test_case : kTestCases) {
SCOPED_TRACE(test_case.desc);
const base::Value::Dict dict = base::test::ParseJsonDict(test_case.json);
EXPECT_THAT(EventLevelEpsilon::Parse(dict), test_case.matches);
}
}
TEST(EventLevelEpsilonTest, Serialize) {
const EventLevelEpsilon kEpsilon(8.2);
base::Value::Dict dict;
kEpsilon.Serialize(dict);
EXPECT_EQ(dict, base::Value::Dict().Set("event_level_epsilon", 8.2));
}
} // namespace
} // namespace attribution_reporting
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