bolt/test/TestChecker.cc

53 lines
1.4 KiB
C++

#include "gtest/gtest.h"
#include "bolt/CST.hpp"
#include "bolt/Diagnostics.hpp"
#include "bolt/DiagnosticEngine.hpp"
#include "bolt/Scanner.hpp"
#include "bolt/Parser.hpp"
#include "bolt/Checker.hpp"
using namespace bolt;
auto checkSourceFile(std::string Input) {
DiagnosticStore DS;
TextFile T { "#<anonymous>", Input };
VectorStream<std::string, Char> Chars { Input, EOF };
Scanner S { DS, T, Chars };
Punctuator PT(S);
Parser P { T, PT, DS };
LanguageConfig Config;
auto SF = P.parseSourceFile();
SF->setParents();
Checker C { DS };
C.run(SF);
return std::make_tuple(SF, C, DS);
}
auto checkExpression(std::string Input) {
auto [SF, C, DS] = checkSourceFile(Input);
return std::make_tuple(
static_cast<ExpressionStatement*>(SF->Elements[0])->Expression,
C,
DS
);
}
TEST(CheckerTest, InfersIntFromIntegerLiteral) {
auto [Expr, Checker, DS] = checkExpression("1");
ASSERT_EQ(DS.countDiagnostics(), 0);
ASSERT_EQ(*Checker.getTypeOfNode(Expr), *Checker.getIntType());
}
TEST(CheckerTest, TestIllegalTypingVariable) {
auto [SF, C, DS] = checkSourceFile("let a: Int = \"foo\"");
ASSERT_EQ(DS.countDiagnostics(), 1);
auto D1 = DS.Diagnostics[0];
ASSERT_EQ(D1->getKind(), DiagnosticKind::TypeMismatchError);
auto Diag = static_cast<TypeMismatchError*>(D1);
// TODO these types have to be sorted first
ASSERT_EQ(Diag->Left, C.getIntType());
ASSERT_EQ(Diag->Right, C.getStringType());
}