luau/tests/Symbol.test.cpp
Andy Friesen 54324867df
Sync to upstream/release/550 (#723)
* Support `["prop"]` syntax on class definitions in definition files.
(#704)
* Improve type checking performance for complex overloaded functions
* Fix rare cases of incorrect stack traces for out of memory errors at
runtime
2022-10-21 10:54:01 -07:00

87 lines
2.1 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("equality_and_hashing_of_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("equality_and_hashing_of_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_CASE("equality_of_empty_symbols")
{
ScopedFastFlag sff{"DebugLuauDeferredConstraintResolution", true};
std::string s1 = "name";
std::string s2 = "name";
AstName one{s1.data()};
AstLocal two{AstName{s2.data()}, Location(), nullptr, 0, 0, nullptr};
Symbol global{one};
Symbol local{&two};
Symbol empty1{};
Symbol empty2{};
CHECK(empty1 != global);
CHECK(empty1 != local);
CHECK(empty1 == empty2);
}
TEST_SUITE_END();