#include <gtest/gtest.h>

import std;

import mcpp.pm.dep_spec;

import mcpp.pm.dependency_selector;

// The one-release exit ramp for namespace-omitted selectors. Kept in its

// own file so removing the window in 2026.9 is one deletion, not an

// archaeology exercise across the resolver tests.

TEST(PmBareNameWindow, LegacyRungsExistOnlyForAnOmittedNamespace) {

// Eligible: the author omitted the namespace, so `mcpplibs` was supplied.

auto omitted = mcpp::pm::legacy_bare_candidates(

mcpp::pm::DependencyCoordinate{

.namespace_ = std::string(mcpp::pm::kDefaultNamespace),

.shortName = "gtest",

});

ASSERT_EQ(omitted.size(), 2u);

EXPECT_EQ(omitted[0].namespace_, mcpp::pm::kCompatNamespace);

EXPECT_EQ(omitted[0].shortName, "gtest");

// The namespace-less discovery rung, for upstream descriptors that declare

// no namespace at all. Callers must still reject a descriptor that DOES

// declare one, or this is the cross-namespace wildcard #278 removed.

EXPECT_TRUE(omitted[1].namespace_.empty());

EXPECT_EQ(omitted[1].shortName, "gtest");

// Not eligible: every one of these STATES an identity. A stated identity

// that misses is a miss — the window exists for spellings that predate the

// rule, not for ones that break it.

for (std::string_view ns : { "compat", "acme", "mcpplibs.capi" }) {

EXPECT_TRUE(mcpp::pm::legacy_bare_candidates(

mcpp::pm::DependencyCoordinate{

.namespace_ = std::string(ns),

.shortName = "gtest",

}).empty()) << ns;

}

}