include/tests/parser_tests.h - main - thomas-king/IntegerParser

include/tests/parser_tests.h
194 строки4 KB
AceRodstin
Add support for binary digits.
02 янв 2023, 15:21
02 янв 2023, 15:2134c3c6c
//
//  parser_tests.h
//  IntegerParser
//
//  Created by Ace Rodstin on 2 Jan 2023.
//

#ifndef PARSERTESTS_HEADER_FILE
#define PARSERTESTS_HEADER_FILE


#include "../Parser.h"
#include <string>

using namespace std;

namespace parser_tests {
    void test_digital_literal() {
        // Given
        string literal = "123";
        int expected = 123;

        // When
        Integer::Parser parser {};
        auto output = parser.parse(literal);

        // Then
        assert(output == expected);
    }

    void test_digital_literal_has_underscore() {
        // Given
        string literal = "1_000";
        int expected = 1000;

        // When
        Integer::Parser parser {};
        auto output = parser.parse(literal);

        // Then
        assert(output == expected);
    }

    void test_digital_literal_has_underscores() {
        // Given
        string literal = "1__000";
        int expected = 1000;

        // When
        Integer::Parser parser {};
        auto output = parser.parse(literal);

        // Then
        assert(output == expected);
    }

    void test_digital_literal_starts_with_underscore() {
        // Given
        string literal = "_1000";
        bool is_error_thrown = false;

        // When
        Integer::Parser parser {};

        try {
            parser.parse(literal);
        } catch(...) {
            is_error_thrown = true;
        }

        // Then
        assert(is_error_thrown);
    }

    void test_digital_literal_ends_with_underscore() {
        // Given
        string literal = "1000_";
        int expected = 1000;

        // When
        Integer::Parser parser {};
        auto output = parser.parse(literal);

        // Then
        assert(output == expected);
    }

    void test_hexadecimal_literal() {
        // Given
        string literal = "0xAB";
        int expected = 171;

        // When
        Integer::Parser parser {};
        auto output = parser.parse(literal);

        // Then
        assert(output == expected);
    }

    void test_hexadecimal_literal_has_underscore() {
        // Given
        string literal = "0xFF_FF";
        int expected = 65535;

        // When
        Integer::Parser parser {};
        auto output = parser.parse(literal);

        // Then
        assert(output == expected);
    }

    void test_hexadecimal_literal_uppercased() {
        // Given
        string literal = "0xAB";
        int expected = 171;

        // When
        Integer::Parser parser {};
        auto output = parser.parse(literal);

        // Then
        assert(output == expected);
    }

    void test_hexadecimal_literal_lowercased() {
        // Given
        string literal = "0xab";
        int expected = 171;

        // When
        Integer::Parser parser {};
        auto output = parser.parse(literal);

        // Then
        assert(output == expected);
    }

	void test_octal_literal() {
        // Given
        string literal = "0o175";
        int expected = 125;

        // When
        Integer::Parser parser {};
        auto output = parser.parse(literal);

        // Then
        assert(output == expected);
    }

	void test_octal_literal_has_underscore() {
        // Given
        string literal = "0o1_000";
        int expected = 512;

        // When
        Integer::Parser parser {};
        auto output = parser.parse(literal);

        // Then
        assert(output == expected);
    }

	void test_binary_literal() {
        // Given
        string literal = "0b1010";
        int expected = 10;

        // When
        Integer::Parser parser {};
        auto output = parser.parse(literal);

        // Then
        assert(output == expected);
    }

	void test_binary_literal_has_underscore() {
        // Given
        string literal = "0b10_10";
        int expected = 10;

        // When
        Integer::Parser parser {};
        auto output = parser.parse(literal);

        // Then
        assert(output == expected);
    }
}


#endif