luau/tests/Symbol.test.cpp
Arseny Kapoulkine d323237b6c
Sync to upstream/release/508 (#301)
This version isn't for release because we've skipped some internal
numbers due to year-end schedule changes, but it's better to merge
separately.
2022-01-06 15:26:14 -08:00

68 lines
1.6 KiB
C++

// 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_globals")
{
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[n1] = 5;
theMap[n2] = 1;
REQUIRE_EQ(1, theMap.size());
}
TEST_CASE("hashing_locals")
{
std::string s1 = "name";
std::string s2 = "name";
// These two names point to distinct memory areas.
AstLocal one{AstName{s1.data()}, Location(), nullptr, 0, 0, nullptr};
AstLocal two{AstName{s2.data()}, Location(), &one, 0, 0, nullptr};
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_NE(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[n1] = 5;
theMap[n2] = 1;
REQUIRE_EQ(2, theMap.size());
}
TEST_SUITE_END();