address_space_feature_unittest.cc | Explore in Territory

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#include "third_party/blink/public/common/security/address_space_feature.h"

#include <iosfwd>
#include <string>
#include <vector>

#include "services/network/public/cpp/ip_address_space_util.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace blink {
namespace {

AddressSpace;
Feature;

constexpr FetchType kAllFetchTypes[]{ … };

std::string FetchTypeToString(FetchType type) { … }

std::ostream& operator<<(std::ostream& out, FetchType type) { … }

constexpr AddressSpace kAllAddressSpaces[] = …;

// Encapsulates arguments to AddressSpaceFeature.
struct Input { … };

// Convenience for HasMappedFeature().
bool operator==(const Input& lhs, const Input& rhs) { … }

// Allows use of Input arguments to SCOPED_TRACE().
std::ostream& operator<<(std::ostream& out, const Input& input) { … }

// Returns all possible Input values.
std::vector<Input> AllInputs() { … }

// Convenience: calls AddressSpaceFeatureForSubresource() on input's components.
std::optional<Feature> AddressSpaceFeatureForInput(const Input& input) { … }

// Maps an input to an expected Feature value.
struct FeatureMapping { … };

// The list of all features and their mapped inputs.
constexpr FeatureMapping kFeatureMappings[] = …;

// Returns true if input is mapped to a feature in kFeatureMappings.
bool HasMappedFeature(const Input& input) { … }

// This test verifies that AddressSpaceFeature stays in sync with the reference
// implementation for Private Network Access address space checks in
// services/networ. In more practical terms, it verifies that
// `AddressSpaceFeature()` returns a feature (as opposed to `nullopt`) if and
// only if the resource address space is less public than the client address
// space.
TEST(AddressSpaceFeatureTest, ReturnsFeatureIffResourceLessPublic) { … }

// This test verifies that `AddressSpaceFeature()` maps inputs to features as
// declared in `kFeatureMappings`.
TEST(AddressSpaceFeatureTest, MapsAllFeaturesCorrectly) { … }

// This test verifies that all inputs that yield a Feature when run through
// `AddressSpaceFeature()` are included in `kFeatureMappings`.
TEST(AddressSpaceFeatureTest, FeatureMappingsAreComplete) { … }

}  // namespace
}  // namespace blink
chromium/third_party/blink/common/security/address_space_feature_unittest.cc
