serene/src/tests/environment_tests.cpp.inc

68 lines
2.2 KiB
C++

/* -*- C++ -*-
* Serene programming language.
*
* Copyright (c) 2019-2022 Sameer Rahmani <lxsameer@gnu.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "serene/environment.h"
#include "serene/exprs/expression.h"
#include "serene/exprs/symbol.h"
#include "./test_helpers.cpp.inc"
#include <catch2/catch.hpp>
#include <llvm/ADT/StringRef.h>
namespace serene {
TEST_CASE("Environment tests", "[environment]") {
std::unique_ptr<reader::LocationRange> range(dummyLocation());
exprs::Node sym =
exprs::make<exprs::Symbol>(*range.get(), llvm::StringRef("example"));
Environment<llvm::StringRef, exprs::Node> e;
llvm::Optional<exprs::Node> result = e.lookup("a");
REQUIRE_FALSE(result.hasValue());
auto status = e.insert_symbol("a", sym);
REQUIRE(status.succeeded());
result = e.lookup("a");
REQUIRE(result.hasValue());
CHECK(result.getValue() == sym);
Environment<llvm::StringRef, exprs::Node> e1(&e);
result = e1.lookup("b");
REQUIRE_FALSE(result.hasValue());
// It should lookup the value in the parent environment
result = e1.lookup("a");
REQUIRE(result.hasValue());
CHECK(result.getValue() == sym);
};
} // namespace serene