git-subtree-dir: bootstrap/cxx git-subtree-mainline:b732e418cb
git-subtree-split:7c1a929e9a
53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
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#include "gtest/gtest.h"
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#include "bolt/CST.hpp"
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#include "bolt/Diagnostics.hpp"
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#include "bolt/DiagnosticEngine.hpp"
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#include "bolt/Scanner.hpp"
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#include "bolt/Parser.hpp"
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#include "bolt/Checker.hpp"
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using namespace bolt;
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auto checkSourceFile(std::string Input) {
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DiagnosticStore DS;
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TextFile T { "#<anonymous>", Input };
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VectorStream<std::string, Char> Chars { Input, EOF };
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Scanner S(T, Chars);
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Punctuator PT(S);
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Parser P(T, PT, DS);
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LanguageConfig Config;
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auto SF = P.parseSourceFile();
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SF->setParents();
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Checker C(Config, DS);
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C.check(SF);
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return std::make_tuple(SF, C, DS);
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}
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auto checkExpression(std::string Input) {
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auto [SF, C, DS] = checkSourceFile(Input);
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return std::make_tuple(
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static_cast<ExpressionStatement*>(SF->Elements[0])->Expression,
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C,
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DS
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);
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}
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TEST(CheckerTest, InfersIntFromIntegerLiteral) {
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auto [Expr, Checker, DS] = checkExpression("1");
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ASSERT_EQ(DS.countDiagnostics(), 0);
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ASSERT_EQ(Checker.getType(Expr), Checker.getIntType());
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}
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TEST(CheckerTest, TestIllegalTypingVariable) {
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auto [SF, C, DS] = checkSourceFile("let a: Int = \"foo\"");
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ASSERT_EQ(DS.countDiagnostics(), 1);
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auto D1 = DS.Diagnostics[0];
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ASSERT_EQ(D1->getKind(), DiagnosticKind::UnificationError);
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auto Diag = static_cast<UnificationErrorDiagnostic*>(D1);
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// TODO these types have to be sorted first
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ASSERT_EQ(Diag->getLeft(), C.getIntType());
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ASSERT_EQ(Diag->getRight(), C.getStringType());
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}
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