lib/Tests/ScanExpressionTests.cpp - main - thomas-king/Scanner

lib/Tests/ScanExpressionTests.cpp
125 строк4 KB
Ace Rodstin
Replace GoogleTest with UnitTest.
02 ноя 2023, 18:07
02 ноя 2023, 18:078350eca
//
//  ScanExpressionTests.cpp
//  Scanner
//
//  Created by Ace Rodstin on 11/1/23.
//  Updated by Ace Rodstin on 11/2/23.
//
//  Copyright © 2023 Ace Rodstin. All rights reserved.
//

#include "Tests/ScanExpressionTests.h"

using namespace tests;

ScanExpressionTests::ScanExpressionTests():
    TestSuit("ScanExpressionTests", {
        TestCase("scanLiteralInParenthesis", [&]() {
            // Given
            string sourceCode = "(1)";
            Punctuator expected1 = Punctuator::LEFT_PARENTHESIS;
            long long expected2 = 1;
            Punctuator expected3 = Punctuator::RIGHT_PARENTHESIS;

            // When
            Scanner scanner { sourceCode };
            auto token1 = scanner.next();
            auto result1 = getValue<Punctuator>(token1);

            auto token2 = scanner.next();
            auto literal = getValue<Literal>(token2);
            auto result2 = getValue<long long>(literal);

            auto token3 = scanner.next();
            auto result3 = getValue<Punctuator>(token3);

            // Then
            assertEqual(result1, expected1);
            assertEqual(result2, expected2);
            assertEqual(result3, expected3);
        }),

        TestCase("scanExpressionInParenthesis", [&]() {
            // Given
            string sourceCode = "(1+2)";
            Punctuator expected1 = Punctuator::LEFT_PARENTHESIS;
            long long expected2 = 1;
            Operator expected3 = Operator::PLUS;
            long long expected4 = 2;
            Punctuator expected5 = Punctuator::RIGHT_PARENTHESIS;

            // When
            Scanner scanner { sourceCode };
            auto token1 = scanner.next();
            auto result1 = getValue<Punctuator>(token1);

            auto token2 = scanner.next();
            auto literal2 = getValue<Literal>(token2);
            auto result2 = getValue<long long>(literal2);

            auto token3 = scanner.next();
            auto result3 = getValue<Operator>(token3);

            auto token4 = scanner.next();
            auto literal4 = getValue<Literal>(token4);
            auto result4 = getValue<long long>(literal4);

            auto token5 = scanner.next();
            auto result5 = getValue<Punctuator>(token5);

            // Then
            assertEqual(result1, expected1);
            assertEqual(result2, expected2);
            assertEqual(result3, expected3);
            assertEqual(result4, expected4);
            assertEqual(result5, expected5);
        }),

        TestCase("scanExpressionWithParanthesis", [&]() {
            // Given
            string sourceCode = "(1+2) * 3";
            Punctuator expected1 = Punctuator::LEFT_PARENTHESIS;
            long long expected2 = 1;
            Operator expected3 = Operator::PLUS;
            long long expected4 = 2;
            Punctuator expected5 = Punctuator::RIGHT_PARENTHESIS;
            Operator expected6 = Operator::MULTIPLY;
            long long expected7 = 3;

            // When
            Scanner scanner { sourceCode };
            auto token1 = scanner.next();
            auto result1 = getValue<Punctuator>(token1);

            auto token2 = scanner.next();
            auto literal2 = getValue<Literal>(token2);
            auto result2 = getValue<long long>(literal2);

            auto token3 = scanner.next();
            auto result3 = getValue<Operator>(token3);

            auto token4 = scanner.next();
            auto literal4 = getValue<Literal>(token4);
            auto result4 = getValue<long long>(literal4);

            auto token5 = scanner.next();
            auto result5 = getValue<Punctuator>(token5);

            auto token6 = scanner.next();
            auto result6 = getValue<Operator>(token6);

            auto token7 = scanner.next();
            auto literal7 = getValue<Literal>(token7);
            auto result7 = getValue<long long>(literal7);

            // Then
            assertEqual(result1, expected1);
            assertEqual(result2, expected2);
            assertEqual(result3, expected3);
            assertEqual(result4, expected4);
            assertEqual(result5, expected5);
            assertEqual(result6, expected6);
            assertEqual(result7, expected7);
        }),
    })
{}