luau/tests/Symbol.test.cpp

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// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
#include "Luau/Symbol.h"
#include "Luau/Ast.h"
#include "Fixture.h"
#include "doctest.h"
using namespace Luau;
TEST_SUITE_BEGIN("SymbolTests");
TEST_CASE("hashing")
{
std::string s1 = "name";
std::string s2 = "name";
// These two names point to distinct memory areas.
AstName one{s1.data()};
AstName two{s2.data()};
Symbol n1{one};
Symbol n2{two};
CHECK(n1 == n1);
CHECK(n1 == n2);
CHECK(n2 == n2);
CHECK_EQ(std::hash<Symbol>()(one), std::hash<Symbol>()(one));
CHECK_EQ(std::hash<Symbol>()(one), std::hash<Symbol>()(two));
CHECK_EQ(std::hash<Symbol>()(two), std::hash<Symbol>()(two));
std::unordered_map<Symbol, int> theMap;
theMap[AstName{s1.data()}] = 5;
theMap[AstName{s2.data()}] = 1;
REQUIRE_EQ(1, theMap.size());
}
TEST_SUITE_END();