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weechat/tests/unit/core/test-core-calc.cpp

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/*
* test-core-calc.cpp - test calculations functions
*
* Copyright (C) 2019-2020 Sébastien Helleu <flashcode@flashtux.org>
*
* This file is part of WeeChat, the extensible chat client.
*
* WeeChat is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* WeeChat is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with WeeChat. If not, see <https://www.gnu.org/licenses/>.
*/
#include "CppUTest/TestHarness.h"
extern "C"
{
#include <stdio.h>
#include <string.h>
#include "src/core/wee-arraylist.h"
#include "src/core/wee-calc.h"
extern void calc_list_free_cb (void *data, struct t_arraylist *arraylist,
void *pointer);
extern int calc_operator_precedence (const char *oper);
extern double calc_pop_value (struct t_arraylist *list_values);
extern double calc_operation (const char *oper, double value1, double value2);
extern void calc_operation_stacks (struct t_arraylist *list_values,
struct t_arraylist *list_ops);
extern int calc_sanitize_decimal_number (char *string);
extern void calc_format_result (double value, char *result, int max_size);
}
#define WEE_CHECK_SANITIZE_DECIMAL_NUMBER(__result, __result_string, \
__number) \
snprintf (str_number, sizeof (str_number), "%s", __number); \
LONGS_EQUAL(__result, calc_sanitize_decimal_number (str_number)); \
STRCMP_EQUAL(__result_string, str_number);
#define WEE_CHECK_FORMAT_RESULT(__result, __value) \
calc_format_result (__value, str_result, sizeof (str_result)); \
STRCMP_EQUAL(__result, str_result);
#define WEE_CHECK_CALC(__result, __expr) \
value = calc_expression (__expr); \
STRCMP_EQUAL(__result, value); \
free (value);
TEST_GROUP(CoreCalc)
{
};
/*
* Tests functions:
* calc_operator_precedence
*/
TEST(CoreCalc, OperatorPrecedence)
{
LONGS_EQUAL(0, calc_operator_precedence (NULL));
LONGS_EQUAL(0, calc_operator_precedence (""));
LONGS_EQUAL(0, calc_operator_precedence ("$"));
LONGS_EQUAL(1, calc_operator_precedence ("+"));
LONGS_EQUAL(1, calc_operator_precedence ("-"));
LONGS_EQUAL(2, calc_operator_precedence ("*"));
LONGS_EQUAL(2, calc_operator_precedence ("/"));
LONGS_EQUAL(2, calc_operator_precedence ("//"));
LONGS_EQUAL(2, calc_operator_precedence ("%"));
LONGS_EQUAL(2, calc_operator_precedence ("**"));
}
/*
* Tests functions:
* calc_pop_value
* calc_list_free_cb
*/
TEST(CoreCalc, PopValue)
{
struct t_arraylist *list_values;
double *ptr_value;
list_values = arraylist_new (32, 0, 1,
NULL, NULL,
&calc_list_free_cb, NULL);
DOUBLES_EQUAL(0, calc_pop_value (NULL), 0.001);
DOUBLES_EQUAL(0, calc_pop_value (list_values), 0.001);
ptr_value = (double *)malloc (sizeof (*ptr_value));
*ptr_value = 123.5;
arraylist_add (list_values, ptr_value);
LONGS_EQUAL(1, list_values->size);
DOUBLES_EQUAL(123.5, calc_pop_value (list_values), 0.001);
LONGS_EQUAL(0, list_values->size);
ptr_value = (double *)malloc (sizeof (*ptr_value));
*ptr_value = 123.5;
arraylist_add (list_values, ptr_value);
LONGS_EQUAL(1, list_values->size);
ptr_value = (double *)malloc (sizeof (*ptr_value));
*ptr_value = 456.2;
arraylist_add (list_values, ptr_value);
LONGS_EQUAL(2, list_values->size);
DOUBLES_EQUAL(456.2, calc_pop_value (list_values), 0.001);
LONGS_EQUAL(1, list_values->size);
DOUBLES_EQUAL(123.5, calc_pop_value (list_values), 0.001);
LONGS_EQUAL(0, list_values->size);
arraylist_free (list_values);
}
/*
* Tests functions:
* calc_operation
*/
TEST(CoreCalc, Operation)
{
DOUBLES_EQUAL(0, calc_operation (NULL, 2, 3), 0.001);
DOUBLES_EQUAL(0, calc_operation ("", 2, 3), 0.001);
DOUBLES_EQUAL(0, calc_operation ("", 2, 3), 0.001);
DOUBLES_EQUAL(0, calc_operation ("$", 2, 3), 0.001);
DOUBLES_EQUAL(5.2, calc_operation ("+", 2, 3.2), 0.001);
DOUBLES_EQUAL(-1.2, calc_operation ("-", 2, 3.2), 0.001);
DOUBLES_EQUAL(6.4, calc_operation ("*", 2, 3.2), 0.001);
DOUBLES_EQUAL(0.625, calc_operation ("/", 2, 3.2), 0.001);
DOUBLES_EQUAL(2, calc_operation ("//", 7, 3), 0.001);
DOUBLES_EQUAL(3.3, calc_operation ("%", 9, 5.7), 0.001);
DOUBLES_EQUAL(256, calc_operation ("**", 2, 8), 0.001);
}
/*
* Tests functions:
* calc_operation_stacks
*/
TEST(CoreCalc, OperationStacks)
{
struct t_arraylist *list_values, *list_ops;
double *ptr_value;
char *ptr_op;
calc_operation_stacks (NULL, NULL);
list_values = arraylist_new (32, 0, 1,
NULL, NULL,
&calc_list_free_cb, NULL);
list_ops = arraylist_new (32, 0, 1,
NULL, NULL,
&calc_list_free_cb, NULL);
calc_operation_stacks (list_values, list_ops);
ptr_value = (double *)malloc (sizeof (*ptr_value));
*ptr_value = 123.5;
arraylist_add (list_values, ptr_value);
ptr_value = (double *)malloc (sizeof (*ptr_value));
*ptr_value = 456.2;
arraylist_add (list_values, ptr_value);
ptr_op = strdup ("+");
arraylist_add (list_ops, ptr_op);
calc_operation_stacks (list_values, list_ops);
ptr_value = (double *)arraylist_get (list_values, 0);
DOUBLES_EQUAL(579.7, *ptr_value, 0.001);
arraylist_free (list_values);
arraylist_free (list_ops);
}
/*
* Tests functions:
* calc_sanitize_decimal_number
*/
TEST(CoreCalc, SanitizeDecimalNumber)
{
char str_number[1024];
WEE_CHECK_SANITIZE_DECIMAL_NUMBER(0, "0", "0");
WEE_CHECK_SANITIZE_DECIMAL_NUMBER(1, "0.0", "0.0");
WEE_CHECK_SANITIZE_DECIMAL_NUMBER(1, "0.0", "0,0");
WEE_CHECK_SANITIZE_DECIMAL_NUMBER(1, "1.23", "1.23");
WEE_CHECK_SANITIZE_DECIMAL_NUMBER(1, "1.23", "1,23");
WEE_CHECK_SANITIZE_DECIMAL_NUMBER(1, "1234.56", "1.234,56");
WEE_CHECK_SANITIZE_DECIMAL_NUMBER(0, "123456789", "123.456.789");
WEE_CHECK_SANITIZE_DECIMAL_NUMBER(0, "123456789", "123,456,789");
WEE_CHECK_SANITIZE_DECIMAL_NUMBER(1, "1234567.89", "1.234.567,89");
WEE_CHECK_SANITIZE_DECIMAL_NUMBER(1, "1234567.89", "1,234,567.89");
WEE_CHECK_SANITIZE_DECIMAL_NUMBER(1, "-2345.67", "-2.345,67");
}
/*
* Tests functions:
* calc_format_result
*/
TEST(CoreCalc, FormatResult)
{
char str_result[64];
WEE_CHECK_FORMAT_RESULT("0", 0);
WEE_CHECK_FORMAT_RESULT("0", 0.0);
WEE_CHECK_FORMAT_RESULT("0", -0.0);
WEE_CHECK_FORMAT_RESULT("12.5", 12.5);
WEE_CHECK_FORMAT_RESULT("12.005", 12.005000);
WEE_CHECK_FORMAT_RESULT("-12.005", -12.005000);
WEE_CHECK_FORMAT_RESULT("0.0000000001", 0.0000000001);
WEE_CHECK_FORMAT_RESULT("0", 0.00000000001);
WEE_CHECK_FORMAT_RESULT("123456789012345", 123456789012345);
setlocale (LC_ALL, "fr_FR.UTF-8");
WEE_CHECK_FORMAT_RESULT("12.5", 12.5);
WEE_CHECK_FORMAT_RESULT("-12.5", -12.5);
setlocale (LC_ALL, "");
}
/*
* Tests functions:
* calc_expression
*/
TEST(CoreCalc, Expression)
{
char *value;
/* invalid expressions */
WEE_CHECK_CALC("0", NULL);
WEE_CHECK_CALC("0", "");
WEE_CHECK_CALC("0", "(");
WEE_CHECK_CALC("0", ")");
WEE_CHECK_CALC("0", "+");
WEE_CHECK_CALC("0", "-");
WEE_CHECK_CALC("0", "*");
WEE_CHECK_CALC("0", "/");
WEE_CHECK_CALC("0", "%");
WEE_CHECK_CALC("0", "0/0");
WEE_CHECK_CALC("0", "0//0");
WEE_CHECK_CALC("0", "0%0");
/* no operator */
WEE_CHECK_CALC("123", "123");
WEE_CHECK_CALC("1.5", "1.5");
/* addition */
WEE_CHECK_CALC("-3", "-4+1");
WEE_CHECK_CALC("3", "1+2");
WEE_CHECK_CALC("4", " 1 + 3 ");
/* subtraction */
WEE_CHECK_CALC("5", "8-3");
WEE_CHECK_CALC("-5", "3-8");
/* unary minus */
WEE_CHECK_CALC("0", "-0");
WEE_CHECK_CALC("-0.001", "-0.001");
WEE_CHECK_CALC("0", "(-0)");
WEE_CHECK_CALC("0", "0-0");
WEE_CHECK_CALC("-1", "-1");
WEE_CHECK_CALC("-2", "-1+-1");
WEE_CHECK_CALC("0", "-1+1");
WEE_CHECK_CALC("-2", "-3+1");
WEE_CHECK_CALC("-3", "1+-4");
WEE_CHECK_CALC("-4", "2*-2");
WEE_CHECK_CALC("-6", "-3*2");
WEE_CHECK_CALC("9", "-3*-3");
WEE_CHECK_CALC("-6", "3*(-2)");
WEE_CHECK_CALC("6", "-3*(-2)");
WEE_CHECK_CALC("12", "(-3)*(-4)");
WEE_CHECK_CALC("15", "(-3)*-5");
WEE_CHECK_CALC("9", "(-3)*(-4+1)");
/* multiplication */
WEE_CHECK_CALC("20", "10*2");
WEE_CHECK_CALC("-8", "-2*4");
WEE_CHECK_CALC("152415765279684", "12345678*12345678");
/* division */
WEE_CHECK_CALC("2", "6/3");
WEE_CHECK_CALC("2.5", "10/4");
/* floor division */
WEE_CHECK_CALC("2", "10//4");
/* modulo */
WEE_CHECK_CALC("4", "9%5");
WEE_CHECK_CALC("0.2", "9.2%3");
WEE_CHECK_CALC("-2", "-2%4");
WEE_CHECK_CALC("0", "-2%2");
/* power */
WEE_CHECK_CALC("1", "0**0");
WEE_CHECK_CALC("0", "0**1");
WEE_CHECK_CALC("1", "1**0");
WEE_CHECK_CALC("1", "2**0");
WEE_CHECK_CALC("2", "2**1");
WEE_CHECK_CALC("4", "2**2");
WEE_CHECK_CALC("8", "2**3");
WEE_CHECK_CALC("4294967296", "2**32");
WEE_CHECK_CALC("0.5", "2**-1");
WEE_CHECK_CALC("0.25", "2**-2");
/* multiple operators */
WEE_CHECK_CALC("11", "5+2*3");
WEE_CHECK_CALC("11", "2*3+5");
WEE_CHECK_CALC("7", "5+2*3/3");
WEE_CHECK_CALC("7", "2*3/3+5");
/* expressions with decimal numbers */
WEE_CHECK_CALC("12.5", "10.5+2");
WEE_CHECK_CALC("3.3333333333", "10/3");
WEE_CHECK_CALC("0.1428571429", "1/7");
WEE_CHECK_CALC("0.0008103728", "1/1234");
WEE_CHECK_CALC("0.0000810045", "1/12345");
WEE_CHECK_CALC("0.0000081001", "1/123456");
WEE_CHECK_CALC("0.00000081", "1/1234567");
WEE_CHECK_CALC("0.000000081", "1/12345678");
WEE_CHECK_CALC("0.0000000081", "1/123456789");
WEE_CHECK_CALC("0.0000000008", "1/1234567890");
WEE_CHECK_CALC("0.0000000001", "1/12345678901");
WEE_CHECK_CALC("0", "1/123456789012");
/* expressions with parentheses */
WEE_CHECK_CALC("6", "((6))");
WEE_CHECK_CALC("-7.234", "((-7.234))");
WEE_CHECK_CALC("21", "(5+2)*3");
WEE_CHECK_CALC("3.15", "(1.5+2)*(1.8/2)");
WEE_CHECK_CALC("-1.26", "(1.5+2)*(1.8/(2-7))");
/* with French locale: the result must always have "." instead of "," */
setlocale (LC_ALL, "fr_FR.UTF-8");
WEE_CHECK_CALC("12.5", "10.5+2");
WEE_CHECK_CALC("-12.5", "-10.5-2");
setlocale (LC_ALL, "");
}
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