Test_erase.cpp

//
//	Created by ABacker on 10/13/2016
//

#include "FakeList.h"

#include <list>
#include <iostream>

using namespace std;
using namespace nini;

string_builder build() {
    string_builder sb;
    char *s = new char[15];
    strcpy(s, "1234567890");
    sb.assign(std::move(s), strlen(s));

    sb.append("1234567890");

    sb.insert("aacc", 4, 10);
    sb.insert("ddeeff", 6, 4);
    sb.insert("cccc", 4, 6);

    auto it_insert = sb.begin();
    it_insert += 4;
    sb.insert("bbb", 3, it_insert);
    sb.print(true);

    return sb;
}

void test_erase1(int _L, int _R) {
    printf("test_erase [%d,%d)\n", _L, _R);

    string_builder sb = build();
    size_type _Oldsize = sb.size();

    string_builder::const_iterator _IterL = sb.begin(), _IterR = sb.begin();

    for (int i = 0; i < _L; ++_IterL, ++i) {
    }
    for (int i = 0; i < _R; ++_IterR, ++i) {
    }

    sb.erase(_IterL, _IterR);
    sb.print(true);

    // check size
    if (sb.size() != _Oldsize - (_R - _L)) {
        throw 1;
    }
}

void test_erase2(int _L, int _R) {
    printf("test_erase [%d,%d)\n", _L, _R);

    string_builder sb = build();
    size_type _Oldsize = sb.size();

    sb.erase(_L, _R - _L);
    sb.print(true);

    // check size
    if (sb.size() != _Oldsize - (_R - _L)) {
        throw 1;
    }
}

int main() {
    for (int i = 0; i < 37; ++i) {
        for (int j = i; j < 38; ++j) {
            test_erase1(i, j);
        }
    }

    for (int i = 0; i < 37; ++i) {
        for (int j = i; j < 38; ++j) {
            test_erase2(i, j);
        }
    }

    return 0;
}