# 在抛出 std::exception 实例后调用终止

CPP文件

``````#include <iostream>
#include <exception>
#include "FindNumber.h"

Finder::Finder() : m_num(0)
{}

int Finder::FindFirst(int* _divided, int* _leftOver, int _size)
{
int indx = 0;

while(indx < _size)
{

if (!_divided[indx])
{
throw("Can not divide by zero!!");
}

if (m_num % _divided[indx] != _leftOver[indx])
{
++m_num;
FindRest(_divided, _leftOver, _size);
indx = 0;
}

++indx;
}

return m_num;
}

int Finder::FindRest(int* _divided, int* _leftOver, int _size)
{
int indx = 0;

for(;;)
{
if (!_divided[indx])
{
throw("Can not divide by zero!!");
}

if (m_num % _divided[indx] != _leftOver[indx])
{
++m_num;
}
else
{
break;
}
}

return m_num;
}
``````

``````#include <cstdio>
#include <iostream>
#include "FindNumber.h"
#include "mu_test.h"

#define SIZE 5

/****************************** FN_check1 ******************************/
UNIT(FN_check1)

int divided [SIZE] = {0, 4, 5, 6, 7};
int leftOver [SIZE] = {2, 0, 3, 2, 1};
Finder find1;

try
{
ASSERT_THAT(6 != find1.FindFirst(divided, leftOver, SIZE));
ASSERT_THAT(8 == find1.FindFirst(divided, leftOver, SIZE));
}
catch(std::exception& e)
{
std::cout << e.what();
}

END_UNIT

/****************************** FN_check2 ******************************/
UNIT(FN_check2)

int divided [SIZE] = {6, 12, 8, 10, 7};
int leftOver [SIZE] = {0, 0, 4, 2, 5};
Finder find1;

ASSERT_THAT(6 != find1.FindFirst(divided, leftOver, SIZE));
ASSERT_THAT(12 == find1.FindFirst(divided, leftOver, SIZE));

std::cout << find1.FindFirst(divided, leftOver, SIZE) << std::endl;

END_UNIT

TEST_SUITE(FindNumber_test)

TEST(FN_check1)
TEST(FN_check2)

END_SUITE
``````

``````if (!_divided[indx]) {
throw("Can not divide by zero!!");
}
``````

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