102 lines
3.0 KiB
C++
102 lines
3.0 KiB
C++
/* -*- C++ -*-
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* Serene programming language.
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*
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* Copyright (c) 2019-2022 Sameer Rahmani <lxsameer@gnu.org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "serene/environment.h"
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#include "serene/exprs/expression.h"
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#include "serene/exprs/symbol.h"
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#include "serene/reader/location.h"
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#include "serene/serene.h"
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#include "./test_helpers.cpp.inc"
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#include <catch2/catch_all.hpp>
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#include <catch2/catch_test_macros.hpp>
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#include <llvm/Support/Casting.h>
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namespace serene {
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TEST_CASE("Environment tests", "[environment]") {
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std::unique_ptr<reader::LocationRange> range(dummyLocation());
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exprs::Node sym = exprs::make<exprs::Symbol>(*range, "example", "ns");
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Environment<llvm::StringRef, exprs::Node> e;
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llvm::Optional<exprs::Node> result = e.lookup("a");
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REQUIRE_FALSE(result.hasValue());
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auto status = e.insert_symbol("a", sym);
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REQUIRE(status.succeeded());
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result = e.lookup("a");
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REQUIRE(result.hasValue());
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CHECK(result.getValue() == sym);
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auto *fetchedSym = llvm::dyn_cast<exprs::Symbol>(result.getValue().get());
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REQUIRE(fetchedSym != nullptr);
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CHECK(fetchedSym->name == "example");
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CHECK(fetchedSym->nsName == "ns");
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SECTION("Testing the environment copy") {
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Environment<llvm::StringRef, exprs::Node> e1(&e);
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result = e1.lookup("b");
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REQUIRE_FALSE(result.hasValue());
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// It should lookup the value in the parent environment
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result = e1.lookup("a");
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REQUIRE(result.hasValue());
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CHECK(result.getValue() == sym);
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};
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};
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TEST_CASE("Test generic Environment usage", "[environment]") {
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Environment<int, char> env;
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auto result = env.lookup(3);
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REQUIRE_FALSE(result);
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auto status = env.insert_symbol(3, 'A');
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REQUIRE(status.succeeded());
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result = env.lookup(3);
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REQUIRE(result);
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CHECK(*result == 'A');
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result = env.lookup(3);
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REQUIRE(result);
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CHECK(*result == 'A');
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// Test the overwrite functionality
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status = env.insert_symbol(3, 'B');
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REQUIRE(status.succeeded());
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result = env.lookup(3);
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REQUIRE(result);
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CHECK(*result == 'B');
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}
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} // namespace serene
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