150 lines
4.3 KiB
C++
150 lines
4.3 KiB
C++
/*
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* test-core-calc.cpp - test calculations functions
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*
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* Copyright (C) 2019-2020 Sébastien Helleu <flashcode@flashtux.org>
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*
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* This file is part of WeeChat, the extensible chat client.
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*
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* WeeChat is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* WeeChat is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with WeeChat. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "CppUTest/TestHarness.h"
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extern "C"
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{
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#include "src/core/wee-calc.h"
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}
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#define WEE_CHECK_CALC(__result, __expr) \
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value = calc_expression (__expr); \
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STRCMP_EQUAL(__result, value); \
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free (value);
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TEST_GROUP(CoreCalc)
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{
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};
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/*
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* Tests functions:
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* calc_expression
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*/
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TEST(CoreCalc, Expression)
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{
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char *value;
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/* invalid expressions */
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WEE_CHECK_CALC("0", NULL);
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WEE_CHECK_CALC("0", "");
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WEE_CHECK_CALC("0", "(");
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WEE_CHECK_CALC("0", ")");
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WEE_CHECK_CALC("0", "+");
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WEE_CHECK_CALC("0", "-");
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WEE_CHECK_CALC("0", "*");
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WEE_CHECK_CALC("0", "/");
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WEE_CHECK_CALC("0", "%");
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WEE_CHECK_CALC("0", "0/0");
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WEE_CHECK_CALC("0", "0//0");
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WEE_CHECK_CALC("0", "0%0");
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/* no operator */
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WEE_CHECK_CALC("123", "123");
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WEE_CHECK_CALC("1.5", "1.5");
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/* addition */
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WEE_CHECK_CALC("-3", "-4+1");
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WEE_CHECK_CALC("3", "1+2");
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WEE_CHECK_CALC("4", " 1 + 3 ");
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/* subtraction */
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WEE_CHECK_CALC("5", "8-3");
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WEE_CHECK_CALC("-5", "3-8");
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/* unary minus */
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WEE_CHECK_CALC("0", "-0");
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WEE_CHECK_CALC("-0.001", "-0.001");
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WEE_CHECK_CALC("0", "(-0)");
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WEE_CHECK_CALC("0", "0-0");
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WEE_CHECK_CALC("-1", "-1");
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WEE_CHECK_CALC("-2", "-1+-1");
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WEE_CHECK_CALC("0", "-1+1");
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WEE_CHECK_CALC("-2", "-3+1");
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WEE_CHECK_CALC("-3", "1+-4");
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WEE_CHECK_CALC("-4", "2*-2");
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WEE_CHECK_CALC("-6", "-3*2");
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WEE_CHECK_CALC("9", "-3*-3");
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WEE_CHECK_CALC("-6", "3*(-2)");
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WEE_CHECK_CALC("6", "-3*(-2)");
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WEE_CHECK_CALC("12", "(-3)*(-4)");
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WEE_CHECK_CALC("15", "(-3)*-5");
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WEE_CHECK_CALC("9", "(-3)*(-4+1)");
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/* multiplication */
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WEE_CHECK_CALC("20", "10*2");
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WEE_CHECK_CALC("-8", "-2*4");
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WEE_CHECK_CALC("152415765279684", "12345678*12345678");
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/* division */
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WEE_CHECK_CALC("2", "6/3");
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WEE_CHECK_CALC("2.5", "10/4");
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/* floor division */
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WEE_CHECK_CALC("2", "10//4");
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/* modulo */
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WEE_CHECK_CALC("4", "9%5");
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WEE_CHECK_CALC("0.2", "9.2%3");
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WEE_CHECK_CALC("-2", "-2%4");
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WEE_CHECK_CALC("0", "-2%2");
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/* power */
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WEE_CHECK_CALC("1", "0**0");
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WEE_CHECK_CALC("0", "0**1");
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WEE_CHECK_CALC("1", "1**0");
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WEE_CHECK_CALC("1", "2**0");
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WEE_CHECK_CALC("2", "2**1");
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WEE_CHECK_CALC("4", "2**2");
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WEE_CHECK_CALC("8", "2**3");
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WEE_CHECK_CALC("4294967296", "2**32");
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WEE_CHECK_CALC("0.5", "2**-1");
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WEE_CHECK_CALC("0.25", "2**-2");
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/* multiple operators */
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WEE_CHECK_CALC("11", "5+2*3");
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WEE_CHECK_CALC("11", "2*3+5");
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WEE_CHECK_CALC("7", "5+2*3/3");
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WEE_CHECK_CALC("7", "2*3/3+5");
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/* expressions with decimal numbers */
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WEE_CHECK_CALC("12.5", "10.5+2");
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WEE_CHECK_CALC("3.3333333333", "10/3");
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WEE_CHECK_CALC("0.1428571429", "1/7");
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WEE_CHECK_CALC("0.0008103728", "1/1234");
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WEE_CHECK_CALC("0.0000810045", "1/12345");
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WEE_CHECK_CALC("0.0000081001", "1/123456");
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WEE_CHECK_CALC("0.00000081", "1/1234567");
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WEE_CHECK_CALC("0.000000081", "1/12345678");
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WEE_CHECK_CALC("0.0000000081", "1/123456789");
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WEE_CHECK_CALC("0.0000000008", "1/1234567890");
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WEE_CHECK_CALC("0.0000000001", "1/12345678901");
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WEE_CHECK_CALC("0", "1/123456789012");
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/* expressions with parentheses */
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WEE_CHECK_CALC("6", "((6))");
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WEE_CHECK_CALC("-7.234", "((-7.234))");
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WEE_CHECK_CALC("21", "(5+2)*3");
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WEE_CHECK_CALC("3.15", "(1.5+2)*(1.8/2)");
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WEE_CHECK_CALC("-1.26", "(1.5+2)*(1.8/(2-7))");
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}
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