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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/base/network_anonymization_key.h"
#include <optional>
#include "base/test/gtest_util.h"
#include "base/test/scoped_feature_list.h"
#include "base/unguessable_token.h"
#include "base/values.h"
#include "net/base/features.h"
#include "net/base/network_isolation_key.h"
#include "net/base/network_isolation_partition.h"
#include "net/base/schemeful_site.h"
#include "network_anonymization_key.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
#include "url/url_util.h"
namespace net {
class NetworkAnonymizationKeyTest : public testing::Test {
protected:
const SchemefulSite kTestSiteA = SchemefulSite(GURL("http://a.test/"));
const SchemefulSite kTestSiteB = SchemefulSite(GURL("http://b.test/"));
const SchemefulSite kDataSite = SchemefulSite(GURL("data:foo"));
const base::UnguessableToken kNonce = base::UnguessableToken::Create();
};
TEST_F(NetworkAnonymizationKeyTest, CreateFromNetworkIsolationKey) {
SchemefulSite site_a = SchemefulSite(GURL("http://a.test/"));
SchemefulSite site_b = SchemefulSite(GURL("http://b.test/"));
SchemefulSite opaque = SchemefulSite(url::Origin());
base::UnguessableToken nik_nonce = base::UnguessableToken::Create();
NetworkIsolationKey populated_cross_site_nik(site_a, site_b, nik_nonce);
NetworkIsolationKey populated_same_site_nik(site_a, site_a, nik_nonce);
NetworkIsolationKey populated_same_site_opaque_nik(opaque, opaque, nik_nonce);
NetworkIsolationKey populated_same_site_nik_network_partition(
site_a, site_a, /*nonce=*/std::nullopt,
NetworkIsolationPartition::kProtectedAudienceSellerWorklet);
NetworkIsolationKey empty_nik;
NetworkAnonymizationKey nak_from_same_site_nik =
NetworkAnonymizationKey::CreateFromNetworkIsolationKey(
populated_same_site_nik);
NetworkAnonymizationKey nak_from_cross_site_nik =
NetworkAnonymizationKey::CreateFromNetworkIsolationKey(
populated_cross_site_nik);
NetworkAnonymizationKey nak_from_same_site_opaque_nik =
NetworkAnonymizationKey::CreateFromNetworkIsolationKey(
populated_same_site_opaque_nik);
NetworkAnonymizationKey nak_from_same_site_nik_network_partition =
NetworkAnonymizationKey::CreateFromNetworkIsolationKey(
populated_same_site_nik_network_partition);
NetworkAnonymizationKey nak_from_empty_nik =
NetworkAnonymizationKey::CreateFromNetworkIsolationKey(empty_nik);
// NAKs created when there is no top frame site on the NIK should create an
// empty NAK.
EXPECT_TRUE(nak_from_empty_nik.IsEmpty());
// Top site should be populated correctly.
EXPECT_EQ(nak_from_same_site_nik.GetTopFrameSite(), site_a);
EXPECT_EQ(nak_from_cross_site_nik.GetTopFrameSite(), site_a);
EXPECT_EQ(nak_from_same_site_opaque_nik.GetTopFrameSite(), opaque);
EXPECT_EQ(nak_from_same_site_nik_network_partition.GetTopFrameSite(), site_a);
// Nonce should be populated correctly.
EXPECT_EQ(nak_from_same_site_nik.GetNonce(), nik_nonce);
EXPECT_EQ(nak_from_cross_site_nik.GetNonce(), nik_nonce);
EXPECT_EQ(nak_from_same_site_opaque_nik.GetNonce(), nik_nonce);
EXPECT_EQ(nak_from_same_site_nik_network_partition.GetNonce(), std::nullopt);
// Is cross site boolean should be populated correctly.
EXPECT_TRUE(nak_from_same_site_nik.IsSameSite());
EXPECT_TRUE(nak_from_cross_site_nik.IsCrossSite());
EXPECT_TRUE(nak_from_same_site_opaque_nik.IsSameSite());
EXPECT_TRUE(nak_from_same_site_nik_network_partition.IsSameSite());
// NetworkIsolationPartition should be populated correctly.
EXPECT_EQ(nak_from_same_site_nik.network_isolation_partition(),
NetworkIsolationPartition::kGeneral);
EXPECT_EQ(nak_from_cross_site_nik.network_isolation_partition(),
NetworkIsolationPartition::kGeneral);
EXPECT_EQ(nak_from_same_site_opaque_nik.network_isolation_partition(),
NetworkIsolationPartition::kGeneral);
EXPECT_EQ(
nak_from_same_site_nik_network_partition.network_isolation_partition(),
NetworkIsolationPartition::kProtectedAudienceSellerWorklet);
// Double-keyed + cross site bit NAKs created from different third party
// cross site contexts should be the different.
EXPECT_FALSE(nak_from_same_site_nik == nak_from_cross_site_nik);
}
TEST_F(NetworkAnonymizationKeyTest, CreateSameSite) {
SchemefulSite site = SchemefulSite(GURL("http://a.test/"));
SchemefulSite opaque = SchemefulSite(url::Origin());
NetworkAnonymizationKey key;
key = NetworkAnonymizationKey::CreateSameSite(site);
EXPECT_EQ(key.GetTopFrameSite(), site);
EXPECT_FALSE(key.GetNonce().has_value());
EXPECT_TRUE(key.IsSameSite());
key = NetworkAnonymizationKey::CreateSameSite(opaque);
EXPECT_EQ(key.GetTopFrameSite(), opaque);
EXPECT_FALSE(key.GetNonce().has_value());
EXPECT_TRUE(key.IsSameSite());
}
TEST_F(NetworkAnonymizationKeyTest, CreateCrossSite) {
SchemefulSite site = SchemefulSite(GURL("http://a.test/"));
SchemefulSite opaque = SchemefulSite(url::Origin());
NetworkAnonymizationKey key;
key = NetworkAnonymizationKey::CreateCrossSite(site);
EXPECT_EQ(key.GetTopFrameSite(), site);
EXPECT_FALSE(key.GetNonce().has_value());
EXPECT_TRUE(key.IsCrossSite());
key = NetworkAnonymizationKey::CreateCrossSite(opaque);
EXPECT_EQ(key.GetTopFrameSite(), opaque);
EXPECT_FALSE(key.GetNonce().has_value());
EXPECT_TRUE(key.IsCrossSite());
}
TEST_F(NetworkAnonymizationKeyTest, CreateFromFrameSite) {
SchemefulSite site_a = SchemefulSite(GURL("http://a.test/"));
SchemefulSite site_b = SchemefulSite(GURL("http://b.test/"));
SchemefulSite opaque_1 = SchemefulSite(url::Origin());
SchemefulSite opaque_2 = SchemefulSite(url::Origin());
base::UnguessableToken nonce = base::UnguessableToken::Create();
NetworkAnonymizationKey nak_from_same_site =
NetworkAnonymizationKey::CreateFromFrameSite(
site_a, site_a, nonce,
NetworkIsolationPartition::kProtectedAudienceSellerWorklet);
NetworkAnonymizationKey nak_from_cross_site =
NetworkAnonymizationKey::CreateFromFrameSite(
site_a, site_b, nonce,
NetworkIsolationPartition::kProtectedAudienceSellerWorklet);
NetworkAnonymizationKey nak_from_same_site_opaque =
NetworkAnonymizationKey::CreateFromFrameSite(opaque_1, opaque_1, nonce);
NetworkAnonymizationKey nak_from_cross_site_opaque =
NetworkAnonymizationKey::CreateFromFrameSite(opaque_1, opaque_2, nonce);
// Top site should be populated correctly.
EXPECT_EQ(nak_from_same_site.GetTopFrameSite(), site_a);
EXPECT_EQ(nak_from_cross_site.GetTopFrameSite(), site_a);
EXPECT_EQ(nak_from_same_site_opaque.GetTopFrameSite(), opaque_1);
EXPECT_EQ(nak_from_cross_site_opaque.GetTopFrameSite(), opaque_1);
// Nonce should be populated correctly.
EXPECT_EQ(nak_from_same_site.GetNonce(), nonce);
EXPECT_EQ(nak_from_cross_site.GetNonce(), nonce);
EXPECT_EQ(nak_from_same_site_opaque.GetNonce(), nonce);
EXPECT_EQ(nak_from_cross_site_opaque.GetNonce(), nonce);
// Is cross site boolean should be populated correctly.
EXPECT_TRUE(nak_from_same_site.IsSameSite());
EXPECT_TRUE(nak_from_cross_site.IsCrossSite());
EXPECT_TRUE(nak_from_same_site_opaque.IsSameSite());
EXPECT_TRUE(nak_from_cross_site_opaque.IsCrossSite());
// NetworkIsolationPartition should be populated correctly.
EXPECT_EQ(nak_from_same_site.network_isolation_partition(),
NetworkIsolationPartition::kProtectedAudienceSellerWorklet);
EXPECT_EQ(nak_from_cross_site.network_isolation_partition(),
NetworkIsolationPartition::kProtectedAudienceSellerWorklet);
EXPECT_EQ(nak_from_same_site_opaque.network_isolation_partition(),
NetworkIsolationPartition::kGeneral);
EXPECT_EQ(nak_from_cross_site_opaque.network_isolation_partition(),
NetworkIsolationPartition::kGeneral);
// NAKs created from different third party cross site contexts should be
// different.
EXPECT_NE(nak_from_same_site, nak_from_cross_site);
EXPECT_NE(nak_from_same_site_opaque, nak_from_cross_site_opaque);
}
TEST_F(NetworkAnonymizationKeyTest, IsEmpty) {
NetworkAnonymizationKey empty_key;
NetworkAnonymizationKey populated_key =
NetworkAnonymizationKey::CreateFromParts(/*top_frame_site=*/kTestSiteA,
/*is_cross_site=*/false,
/*nonce=*/std::nullopt);
EXPECT_TRUE(empty_key.IsEmpty());
EXPECT_FALSE(populated_key.IsEmpty());
}
TEST_F(NetworkAnonymizationKeyTest, CreateTransient) {
NetworkAnonymizationKey transient_key1 =
NetworkAnonymizationKey::CreateTransient();
NetworkAnonymizationKey transient_key2 =
NetworkAnonymizationKey::CreateTransient();
EXPECT_TRUE(transient_key1.IsTransient());
EXPECT_TRUE(transient_key2.IsTransient());
EXPECT_FALSE(transient_key1 == transient_key2);
}
TEST_F(NetworkAnonymizationKeyTest, IsTransient) {
NetworkAnonymizationKey empty_key;
NetworkAnonymizationKey populated_key =
NetworkAnonymizationKey::CreateFromParts(
/*top_frame_site=*/kTestSiteA,
/*is_cross_site=*/false,
/*nonce=*/std::nullopt);
NetworkAnonymizationKey data_top_frame_key =
NetworkAnonymizationKey::CreateFromParts(
/*top_frame_site=*/kDataSite,
/*is_cross_site=*/false,
/*nonce=*/std::nullopt);
NetworkAnonymizationKey populated_key_with_nonce =
NetworkAnonymizationKey::CreateFromParts(
/*top_frame_site=*/kTestSiteA,
/*is_cross_site=*/false, base::UnguessableToken::Create());
NetworkAnonymizationKey data_frame_key =
NetworkAnonymizationKey::CreateFromParts(
/*top_frame_site=*/kTestSiteA,
/*is_cross_site=*/false,
/*nonce=*/std::nullopt);
NetworkAnonymizationKey from_create_transient =
NetworkAnonymizationKey::CreateTransient();
EXPECT_TRUE(empty_key.IsTransient());
EXPECT_FALSE(populated_key.IsTransient());
EXPECT_TRUE(data_top_frame_key.IsTransient());
EXPECT_TRUE(populated_key_with_nonce.IsTransient());
EXPECT_TRUE(from_create_transient.IsTransient());
NetworkAnonymizationKey populated_double_key =
NetworkAnonymizationKey::CreateFromParts(/*top_frame_site=*/kTestSiteA,
/*is_cross_site=*/false,
/*nonce=*/std::nullopt);
EXPECT_FALSE(data_frame_key.IsTransient());
EXPECT_FALSE(populated_double_key.IsTransient());
}
TEST_F(NetworkAnonymizationKeyTest, IsFullyPopulated) {
NetworkAnonymizationKey empty_key;
NetworkAnonymizationKey populated_key =
NetworkAnonymizationKey::CreateFromParts(/*top_frame_site=*/kTestSiteA,
/*is_cross_site=*/false,
/*nonce=*/std::nullopt);
EXPECT_TRUE(populated_key.IsFullyPopulated());
EXPECT_FALSE(empty_key.IsFullyPopulated());
NetworkAnonymizationKey empty_frame_site_key =
NetworkAnonymizationKey::CreateFromParts(/*top_frame_site=*/kTestSiteA,
/*is_cross_site=*/false,
/*nonce=*/std::nullopt);
EXPECT_TRUE(empty_frame_site_key.IsFullyPopulated());
}
TEST_F(NetworkAnonymizationKeyTest, Getters) {
NetworkAnonymizationKey key = NetworkAnonymizationKey::CreateFromParts(
/*top_frame_site=*/kTestSiteA,
/*is_cross_site=*/true, kNonce, NetworkIsolationPartition::kGeneral);
EXPECT_EQ(key.GetTopFrameSite(), kTestSiteA);
EXPECT_EQ(key.GetNonce(), kNonce);
EXPECT_EQ(key.network_isolation_partition(),
NetworkIsolationPartition::kGeneral);
EXPECT_TRUE(key.IsCrossSite());
}
TEST_F(NetworkAnonymizationKeyTest, ToDebugString) {
NetworkAnonymizationKey key = NetworkAnonymizationKey::CreateFromParts(
/*top_frame_site=*/kTestSiteA,
/*is_cross_site=*/true);
NetworkAnonymizationKey empty_key;
// `is_cross_site` holds the value the key is created with.
std::string double_key_with_cross_site_flag_expected_string_value =
kTestSiteA.GetDebugString() + " cross_site";
EXPECT_EQ(key.ToDebugString(),
double_key_with_cross_site_flag_expected_string_value);
EXPECT_EQ(empty_key.ToDebugString(), "null");
}
TEST_F(NetworkAnonymizationKeyTest,
ToDebugStringWithNonceAndNonGeneralPartition) {
NetworkAnonymizationKey key = NetworkAnonymizationKey::CreateFromParts(
/*top_frame_site=*/kTestSiteA,
/*is_cross_site=*/true, kNonce,
NetworkIsolationPartition::kProtectedAudienceSellerWorklet);
// `is_cross_site` holds the value the key is created with.
std::string double_key_with_cross_site_flag_expected_string_value =
kTestSiteA.GetDebugString() + " cross_site (with nonce " +
kNonce.ToString() + ") (protected audience seller worklet partition)";
EXPECT_EQ(key.ToDebugString(),
double_key_with_cross_site_flag_expected_string_value);
}
TEST_F(NetworkAnonymizationKeyTest, Equality) {
NetworkAnonymizationKey key =
NetworkAnonymizationKey::CreateFromParts(/*top_frame_site=*/kTestSiteA,
/*is_cross_site=*/false, kNonce);
NetworkAnonymizationKey key_duplicate =
NetworkAnonymizationKey::CreateFromParts(/*top_frame_site=*/kTestSiteA,
/*is_cross_site=*/false, kNonce);
EXPECT_TRUE(key == key_duplicate);
EXPECT_FALSE(key != key_duplicate);
EXPECT_FALSE(key < key_duplicate);
NetworkAnonymizationKey key_cross_site =
NetworkAnonymizationKey::CreateFromParts(/*top_frame_site=*/kTestSiteA,
/*is_cross_site=*/true, kNonce);
// The `is_cross_site` flag changes the NAK.
EXPECT_FALSE(key == key_cross_site);
EXPECT_TRUE(key != key_cross_site);
EXPECT_TRUE(key < key_cross_site);
NetworkAnonymizationKey key_no_nonce =
NetworkAnonymizationKey::CreateFromParts(/*top_frame_site=*/kTestSiteA,
/*is_cross_site=*/false,
/*nonce=*/std::nullopt);
EXPECT_FALSE(key == key_no_nonce);
EXPECT_TRUE(key != key_no_nonce);
EXPECT_FALSE(key < key_no_nonce);
NetworkAnonymizationKey key_different_nonce =
NetworkAnonymizationKey::CreateFromParts(
/*top_frame_site=*/kTestSiteA,
/*is_cross_site=*/false,
/*nonce=*/base::UnguessableToken::Create());
EXPECT_FALSE(key == key_different_nonce);
EXPECT_TRUE(key != key_different_nonce);
NetworkAnonymizationKey key_different_frame_site =
NetworkAnonymizationKey::CreateFromParts(
/*top_frame_site=*/kTestSiteA,
/*is_cross_site=*/false, kNonce);
EXPECT_TRUE(key == key_different_frame_site);
EXPECT_FALSE(key != key_different_frame_site);
EXPECT_FALSE(key < key_different_frame_site);
NetworkAnonymizationKey key_different_top_level_site =
NetworkAnonymizationKey::CreateFromParts(
/*top_frame_site=*/kTestSiteB,
/*is_cross_site=*/false, kNonce);
EXPECT_FALSE(key == key_different_top_level_site);
EXPECT_TRUE(key != key_different_top_level_site);
EXPECT_TRUE(key < key_different_top_level_site);
NetworkAnonymizationKey empty_key;
NetworkAnonymizationKey empty_key_duplicate;
EXPECT_TRUE(empty_key == empty_key_duplicate);
EXPECT_FALSE(empty_key != empty_key_duplicate);
EXPECT_FALSE(empty_key < empty_key_duplicate);
EXPECT_FALSE(empty_key == key);
EXPECT_TRUE(empty_key != key);
EXPECT_TRUE(empty_key < key);
}
TEST_F(NetworkAnonymizationKeyTest, ValueRoundTripCrossSite) {
const SchemefulSite kOpaqueSite = SchemefulSite(GURL("data:text/html,junk"));
NetworkAnonymizationKey original_key =
NetworkAnonymizationKey::CreateFromParts(/*top_frame_site=*/kTestSiteA,
/*is_cross_site=*/true);
base::Value value;
ASSERT_TRUE(original_key.ToValue(&value));
// Fill initial value with opaque data, to make sure it's overwritten.
NetworkAnonymizationKey from_value_key = NetworkAnonymizationKey();
EXPECT_TRUE(NetworkAnonymizationKey::FromValue(value, &from_value_key));
EXPECT_EQ(original_key, from_value_key);
}
TEST_F(NetworkAnonymizationKeyTest, ValueRoundTripSameSite) {
const SchemefulSite kOpaqueSite = SchemefulSite(GURL("data:text/html,junk"));
NetworkAnonymizationKey original_key =
NetworkAnonymizationKey::CreateFromParts(/*top_frame_site=*/kTestSiteA,
/*is_cross_site=*/false);
base::Value value;
ASSERT_TRUE(original_key.ToValue(&value));
// Fill initial value with opaque data, to make sure it's overwritten.
NetworkAnonymizationKey from_value_key = NetworkAnonymizationKey();
EXPECT_TRUE(NetworkAnonymizationKey::FromValue(value, &from_value_key));
EXPECT_EQ(original_key, from_value_key);
}
TEST_F(NetworkAnonymizationKeyTest, TransientValueRoundTrip) {
const SchemefulSite kOpaqueSite = SchemefulSite(GURL("data:text/html,junk"));
NetworkAnonymizationKey original_key =
NetworkAnonymizationKey::CreateTransient();
base::Value value;
ASSERT_FALSE(original_key.ToValue(&value));
}
TEST_F(NetworkAnonymizationKeyTest, EmptyValueRoundTrip) {
const SchemefulSite kOpaqueSite = SchemefulSite(GURL("data:text/html,junk"));
NetworkAnonymizationKey original_key;
base::Value value;
ASSERT_TRUE(original_key.ToValue(&value));
// Fill initial value with opaque data, to make sure it's overwritten.
NetworkAnonymizationKey from_value_key = NetworkAnonymizationKey();
EXPECT_TRUE(NetworkAnonymizationKey::FromValue(value, &from_value_key));
EXPECT_EQ(original_key, from_value_key);
}
TEST_F(NetworkAnonymizationKeyTest,
ValueRoundTripWithNonGeneralNetworkPartition) {
NetworkAnonymizationKey original_key =
NetworkAnonymizationKey::CreateFromParts(
/*top_frame_site=*/kTestSiteA,
/*is_cross_site=*/true,
/*nonce=*/std::nullopt,
NetworkIsolationPartition::kProtectedAudienceSellerWorklet);
base::Value value;
ASSERT_TRUE(original_key.ToValue(&value));
// Fill initial value with opaque data, to make sure it's overwritten.
NetworkAnonymizationKey from_value_key;
EXPECT_TRUE(NetworkAnonymizationKey::FromValue(value, &from_value_key));
EXPECT_EQ(original_key, from_value_key);
}
TEST_F(NetworkAnonymizationKeyTest,
TransientValueRoundTripWithNonGeneralNetworkPartition) {
NetworkAnonymizationKey key = NetworkAnonymizationKey::CreateFromParts(
/*top_frame_site=*/kTestSiteA,
/*is_cross_site=*/true,
/*nonce=*/base::UnguessableToken::Create(),
NetworkIsolationPartition::kProtectedAudienceSellerWorklet);
base::Value value;
ASSERT_FALSE(key.ToValue(&value));
}
TEST_F(NetworkAnonymizationKeyTest,
FromValueOnlyAcceptsValidNetworkIsolationPartitionValues) {
base::Value value;
ASSERT_TRUE(NetworkAnonymizationKey::CreateFromParts(
/*top_frame_site=*/kTestSiteA,
/*is_cross_site=*/true)
.ToValue(&value));
NetworkAnonymizationKey new_nak = NetworkAnonymizationKey();
// The NetworkIsolationPartition value should be an int.
base::Value::List& list = value.GetList();
list[2] = base::Value("not_an_int_value");
EXPECT_FALSE(NetworkAnonymizationKey::FromValue(value, &new_nak));
// Don't accept a negative value.
list[2] = base::Value(-1);
EXPECT_FALSE(NetworkAnonymizationKey::FromValue(value, &new_nak));
// Don't accept a value too high.
list[2] = base::Value(
base::strict_cast<int32_t>(NetworkIsolationPartition::kMaxValue) + 1);
EXPECT_FALSE(NetworkAnonymizationKey::FromValue(value, &new_nak));
// Accept the max value of NetworkIsolationPartition.
list[2] = base::Value(
base::strict_cast<int32_t>(NetworkIsolationPartition::kMaxValue));
ASSERT_TRUE(NetworkAnonymizationKey::FromValue(value, &new_nak));
EXPECT_EQ(new_nak.network_isolation_partition(),
NetworkIsolationPartition::kMaxValue);
// Accept the min value of NetworkIsolationPartition.
list[2] = base::Value(0);
ASSERT_TRUE(NetworkAnonymizationKey::FromValue(value, &new_nak));
EXPECT_EQ(new_nak.network_isolation_partition(),
NetworkIsolationPartition::kGeneral);
// Accept a missing 3rd value.
list.resize(list.size() - 1);
EXPECT_TRUE(NetworkAnonymizationKey::FromValue(value, &new_nak));
EXPECT_EQ(new_nak.network_isolation_partition(),
NetworkIsolationPartition::kGeneral);
}
TEST(NetworkAnonymizationKeyFeatureShiftTest,
ValueRoundTripKeySchemeMissmatch) {
base::test::ScopedFeatureList scoped_feature_list_;
const SchemefulSite kOpaqueSite = SchemefulSite(GURL("data:text/html,junk"));
const SchemefulSite kTestSiteA = SchemefulSite(GURL("http://a.test/"));
const SchemefulSite kTestSiteB = SchemefulSite(GURL("http://b.test/"));
NetworkAnonymizationKey expected_failure_nak = NetworkAnonymizationKey();
// Create a cross site double key + cross site flag NetworkAnonymizationKey.
NetworkAnonymizationKey original_cross_site_double_key =
NetworkAnonymizationKey::CreateFromParts(kTestSiteA, false);
base::Value cross_site_double_key_value;
ASSERT_TRUE(
original_cross_site_double_key.ToValue(&cross_site_double_key_value));
// Check that deserializing a double keyed NetworkAnonymizationKey (a
// one-element list) fails, using the serialized site from
// `cross_site_double_key_value` to build it.
base::Value serialized_site =
cross_site_double_key_value.GetList()[0].Clone();
base::Value::List double_key_list;
double_key_list.Append(serialized_site.Clone());
base::Value double_key_value = base::Value(std::move(double_key_list));
EXPECT_FALSE(NetworkAnonymizationKey::FromValue(double_key_value,
&expected_failure_nak));
// Check that deserializing a triple keyed value (a 2-element list containing
// two sites) fails.
base::Value::List triple_key_list;
triple_key_list.Append(serialized_site.Clone());
triple_key_list.Append(std::move(serialized_site));
base::Value triple_key_value = base::Value(std::move(triple_key_list));
EXPECT_FALSE(NetworkAnonymizationKey::FromValue(triple_key_value,
&expected_failure_nak));
// Convert the successful value back to a NAK and verify.
NetworkAnonymizationKey from_value_cross_site_double_key =
NetworkAnonymizationKey();
EXPECT_TRUE(NetworkAnonymizationKey::FromValue(
cross_site_double_key_value, &from_value_cross_site_double_key));
EXPECT_EQ(original_cross_site_double_key, from_value_cross_site_double_key);
}
} // namespace net
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