TestBankAccount.cpp.html

<pre style='color:#000000;background:#ffffff;'><span style='color:#004a43; '>#</span><span style='color:#004a43; '>include </span><span style='color:#800000; '>&lt;</span><span style='color:#40015a; '>iostream</span><span style='color:#800000; '>></span>
<span style='color:#004a43; '>#</span><span style='color:#004a43; '>include </span><span style='color:#800000; '>&lt;</span><span style='color:#40015a; '>string</span><span style='color:#800000; '>></span>
<span style='color:#004a43; '>#</span><span style='color:#004a43; '>include </span><span style='color:#800000; '>&lt;</span><span style='color:#40015a; '>stdlib.h</span><span style='color:#800000; '>></span>
<span style='color:#004a43; '>#</span><span style='color:#004a43; '>include </span><span style='color:#800000; '>&lt;</span><span style='color:#40015a; '>cmath</span><span style='color:#800000; '>></span>
<span style='color:#004a43; '>#</span><span style='color:#004a43; '>include </span><span style='color:#800000; '>&lt;</span><span style='color:#40015a; '>iomanip</span><span style='color:#800000; '>></span>
<span style='color:#004a43; '>#</span><span style='color:#004a43; '>include </span><span style='color:#800000; '>"</span><span style='color:#40015a; '>bankAccount.h</span><span style='color:#800000; '>"</span>
<span style='color:#800000; font-weight:bold; '>using</span> <span style='color:#800000; font-weight:bold; '>namespace</span> <span style='color:#666616; '>std</span><span style='color:#800080; '>;</span>

<span style='color:#603000; '>string</span> options<span style='color:#808030; '>[</span><span style='color:#808030; '>]</span> <span style='color:#808030; '>=</span>   <span style='color:#800080; '>{</span><span style='color:#800000; '>"</span><span style='color:#0000e6; '>Quit</span><span style='color:#800000; '>"</span><span style='color:#808030; '>,</span>
                      <span style='color:#800000; '>"</span><span style='color:#0000e6; '>Create Account</span><span style='color:#800000; '>"</span><span style='color:#808030; '>,</span>
                      <span style='color:#800000; '>"</span><span style='color:#0000e6; '>Deposit</span><span style='color:#800000; '>"</span><span style='color:#808030; '>,</span>
                      <span style='color:#800000; '>"</span><span style='color:#0000e6; '>Withdraw</span><span style='color:#800000; '>"</span><span style='color:#808030; '>,</span>
                      <span style='color:#800000; '>"</span><span style='color:#0000e6; '>View Balance</span><span style='color:#800000; '>"</span><span style='color:#808030; '>,</span>
                     <span style='color:#800080; '>}</span><span style='color:#800080; '>;</span>
<span style='color:#800000; font-weight:bold; '>int</span> <span style='color:#800000; font-weight:bold; '>const</span> n_choice <span style='color:#808030; '>=</span> <span style='color:#008c00; '>5</span><span style='color:#800080; '>;</span>
<span style='color:#800000; font-weight:bold; '>int</span> menu<span style='color:#808030; '>(</span><span style='color:#603000; '>string</span> option<span style='color:#808030; '>[</span><span style='color:#808030; '>]</span><span style='color:#808030; '>,</span> <span style='color:#800000; font-weight:bold; '>int</span> n_opt<span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
<span style='color:#800000; font-weight:bold; '>bool</span> is_double<span style='color:#808030; '>(</span><span style='color:#800000; font-weight:bold; '>const</span> <span style='color:#603000; '>string</span><span style='color:#808030; '>&amp;</span> s<span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
<span style='color:#800000; font-weight:bold; '>double</span> sanitize<span style='color:#808030; '>(</span><span style='color:#800000; font-weight:bold; '>const</span> <span style='color:#603000; '>string</span><span style='color:#808030; '>&amp;</span> s<span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>

<span style='color:#800000; font-weight:bold; '>int</span> <span style='color:#400000; '>main</span><span style='color:#808030; '>(</span><span style='color:#808030; '>)</span><span style='color:#800080; '>{</span>
    <span style='color:#603000; '>string</span> response<span style='color:#800080; '>;</span>
    bankAccount<span style='color:#808030; '>*</span> account <span style='color:#808030; '>=</span> <span style='color:#7d0045; '>NULL</span><span style='color:#800080; '>;</span>
    <span style='color:#800000; font-weight:bold; '>double</span> previousAmount<span style='color:#800080; '>;</span>

    <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> fixed<span style='color:#800080; '>;</span>
    <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#603000; '>setprecision</span><span style='color:#808030; '>(</span><span style='color:#008c00; '>2</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0000e6; '>--------------------------------------------------</span><span style='color:#0f69ff; '>\n</span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>
    <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0000e6; '>This test harness operates with one bank account</span><span style='color:#0f69ff; '>\n</span><span style='color:#800000; '>"</span>
         <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0000e6; '>Use the menu options to manipulate it</span><span style='color:#0f69ff; '>\n</span><span style='color:#0f69ff; '>\n</span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>

    <span style='color:#800000; font-weight:bold; '>while</span><span style='color:#808030; '>(</span><span style='color:#008c00; '>1</span><span style='color:#808030; '>)</span><span style='color:#800080; '>{</span>
        <span style='color:#800000; font-weight:bold; '>int</span> option <span style='color:#808030; '>=</span> menu<span style='color:#808030; '>(</span>options<span style='color:#808030; '>,</span> n_choice<span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>

        <span style='color:#800000; font-weight:bold; '>switch</span><span style='color:#808030; '>(</span>option<span style='color:#808030; '>)</span><span style='color:#800080; '>{</span>
            <span style='color:#800000; font-weight:bold; '>case </span><span style='color:#008c00; '>1</span><span style='color:#e34adc; '>:</span>                    <span style='color:#696969; '>// quit</span>
                <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0f69ff; '>\t</span><span style='color:#0000e6; '>Do you really want to quit? (y/n) > </span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>
                <span style='color:#603000; '>cin</span>  <span style='color:#808030; '>></span><span style='color:#808030; '>></span> response<span style='color:#800080; '>;</span>

                <span style='color:#800000; font-weight:bold; '>if</span> <span style='color:#808030; '>(</span>response<span style='color:#808030; '>[</span><span style='color:#008c00; '>0</span><span style='color:#808030; '>]</span> <span style='color:#808030; '>=</span><span style='color:#808030; '>=</span> <span style='color:#0000e6; '>'y'</span> <span style='color:#808030; '>|</span><span style='color:#808030; '>|</span> response<span style='color:#808030; '>[</span><span style='color:#008c00; '>0</span><span style='color:#808030; '>]</span> <span style='color:#808030; '>=</span><span style='color:#808030; '>=</span> <span style='color:#0000e6; '>'Y'</span><span style='color:#808030; '>)</span> <span style='color:#800080; '>{</span>                 <span style='color:#696969; '>// Normal Exit</span>
                    <span style='color:#800000; font-weight:bold; '>if</span> <span style='color:#808030; '>(</span>account <span style='color:#808030; '>!</span><span style='color:#808030; '>=</span> <span style='color:#7d0045; '>NULL</span><span style='color:#808030; '>)</span> <span style='color:#800000; font-weight:bold; '>delete</span> account<span style='color:#800080; '>;</span>
                    <span style='color:#800000; font-weight:bold; '>return</span> <span style='color:#008c00; '>0</span><span style='color:#800080; '>;</span>
                <span style='color:#800080; '>}</span>

                <span style='color:#800000; font-weight:bold; '>break</span><span style='color:#800080; '>;</span>
            <span style='color:#800000; font-weight:bold; '>case </span><span style='color:#008c00; '>2</span><span style='color:#e34adc; '>:</span>                    <span style='color:#696969; '>// new accont</span>
                <span style='color:#800000; font-weight:bold; '>if</span> <span style='color:#808030; '>(</span>account <span style='color:#808030; '>!</span><span style='color:#808030; '>=</span> <span style='color:#7d0045; '>NULL</span><span style='color:#808030; '>)</span> <span style='color:#800000; font-weight:bold; '>delete</span> account<span style='color:#800080; '>;</span>

                <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0f69ff; '>\t</span><span style='color:#0000e6; '>Do you want to initialize it with an amount (y/n)? > </span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>
                <span style='color:#603000; '>cin</span>  <span style='color:#808030; '>></span><span style='color:#808030; '>></span> response<span style='color:#800080; '>;</span>

                <span style='color:#800000; font-weight:bold; '>if</span> <span style='color:#808030; '>(</span>response<span style='color:#808030; '>[</span><span style='color:#008c00; '>0</span><span style='color:#808030; '>]</span> <span style='color:#808030; '>!</span><span style='color:#808030; '>=</span> <span style='color:#0000e6; '>'y'</span> <span style='color:#808030; '>&amp;</span><span style='color:#808030; '>&amp;</span> response<span style='color:#808030; '>[</span><span style='color:#008c00; '>0</span><span style='color:#808030; '>]</span> <span style='color:#808030; '>!</span><span style='color:#808030; '>=</span> <span style='color:#0000e6; '>'Y'</span><span style='color:#808030; '>)</span><span style='color:#800080; '>{</span>
                    <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0f69ff; '>\t</span><span style='color:#0000e6; '>Current balance is: $0.00</span><span style='color:#0f69ff; '>\n</span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>
                    account <span style='color:#808030; '>=</span> <span style='color:#800000; font-weight:bold; '>new</span> bankAccount<span style='color:#800080; '>;</span>
                    <span style='color:#800000; font-weight:bold; '>break</span><span style='color:#800080; '>;</span>
                <span style='color:#800080; '>}</span> 
                <span style='color:#696969; '>// accept elements</span>
                <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0f69ff; '>\t</span><span style='color:#0f69ff; '>\t</span><span style='color:#0000e6; '>Enter the amount you would like your bank account to have.</span><span style='color:#0f69ff; '>\n</span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>
                <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0f69ff; '>\t</span><span style='color:#0f69ff; '>\t</span><span style='color:#0000e6; '>The amount will be rounded to the second decimal place: </span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>
                <span style='color:#603000; '>cin</span> <span style='color:#808030; '>></span><span style='color:#808030; '>></span> response<span style='color:#800080; '>;</span>

                <span style='color:#800000; font-weight:bold; '>while</span> <span style='color:#808030; '>(</span><span style='color:#808030; '>!</span> is_double<span style='color:#808030; '>(</span>response<span style='color:#808030; '>)</span><span style='color:#808030; '>)</span> <span style='color:#800080; '>{</span>
                    <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0f69ff; '>\t</span><span style='color:#0f69ff; '>\t</span><span style='color:#0000e6; '>Please input a valid numeric: </span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>
                    <span style='color:#603000; '>cin</span> <span style='color:#808030; '>></span><span style='color:#808030; '>></span> response<span style='color:#800080; '>;</span>
                <span style='color:#800080; '>}</span>

                account <span style='color:#808030; '>=</span> <span style='color:#800000; font-weight:bold; '>new</span> bankAccount<span style='color:#808030; '>(</span>sanitize<span style='color:#808030; '>(</span>response<span style='color:#808030; '>)</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
                <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#603000; '>endl</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0000e6; '>Current balance is: $</span><span style='color:#800000; '>"</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> account<span style='color:#808030; '>-</span><span style='color:#808030; '>></span>getBalance<span style='color:#808030; '>(</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#603000; '>endl</span><span style='color:#800080; '>;</span>
                <span style='color:#800000; font-weight:bold; '>break</span><span style='color:#800080; '>;</span>
            <span style='color:#800000; font-weight:bold; '>case </span><span style='color:#008c00; '>3</span><span style='color:#e34adc; '>:</span>                <span style='color:#696969; '>// Deposit</span>
                <span style='color:#800000; font-weight:bold; '>if</span> <span style='color:#808030; '>(</span>account <span style='color:#808030; '>=</span><span style='color:#808030; '>=</span> <span style='color:#7d0045; '>NULL</span><span style='color:#808030; '>)</span><span style='color:#800080; '>{</span>
                    <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#603000; '>endl</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0f69ff; '>\t</span><span style='color:#0000e6; '>Create an account first.</span><span style='color:#800000; '>"</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#603000; '>endl</span><span style='color:#800080; '>;</span>
                    <span style='color:#800000; font-weight:bold; '>break</span><span style='color:#800080; '>;</span>
                <span style='color:#800080; '>}</span>

                <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0f69ff; '>\t</span><span style='color:#0000e6; '>You currently have $</span><span style='color:#800000; '>"</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> account<span style='color:#808030; '>-</span><span style='color:#808030; '>></span>getBalance<span style='color:#808030; '>(</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0000e6; '> in your account</span><span style='color:#0f69ff; '>\n</span><span style='color:#800000; '>"</span>
                     <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0f69ff; '>\t</span><span style='color:#0000e6; '>Enter how much you would like to deposit: </span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>
                <span style='color:#603000; '>cin</span> <span style='color:#808030; '>></span><span style='color:#808030; '>></span> response<span style='color:#800080; '>;</span>

                <span style='color:#800000; font-weight:bold; '>while</span> <span style='color:#808030; '>(</span><span style='color:#808030; '>!</span> is_double<span style='color:#808030; '>(</span>response<span style='color:#808030; '>)</span><span style='color:#808030; '>)</span> <span style='color:#800080; '>{</span>
                    <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0f69ff; '>\t</span><span style='color:#0000e6; '>Please input a valid numeric: </span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>
                    <span style='color:#603000; '>cin</span> <span style='color:#808030; '>></span><span style='color:#808030; '>></span> response<span style='color:#800080; '>;</span>
                <span style='color:#800080; '>}</span>

                previousAmount <span style='color:#808030; '>=</span> account<span style='color:#808030; '>-</span><span style='color:#808030; '>></span>getBalance<span style='color:#808030; '>(</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
                account<span style='color:#808030; '>-</span><span style='color:#808030; '>></span>deposit<span style='color:#808030; '>(</span>sanitize<span style='color:#808030; '>(</span>response<span style='color:#808030; '>)</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
                <span style='color:#800000; font-weight:bold; '>if</span><span style='color:#808030; '>(</span>previousAmount <span style='color:#808030; '>=</span><span style='color:#808030; '>=</span> account<span style='color:#808030; '>-</span><span style='color:#808030; '>></span>getBalance<span style='color:#808030; '>(</span><span style='color:#808030; '>)</span><span style='color:#808030; '>)</span><span style='color:#800080; '>{</span>
                    <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#603000; '>endl</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0f69ff; '>\t</span><span style='color:#0000e6; '>No money deposited into your account.</span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>
                <span style='color:#800080; '>}</span>
                <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#603000; '>endl</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0f69ff; '>\t</span><span style='color:#0000e6; '>The new balance is: $</span><span style='color:#800000; '>"</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> account<span style='color:#808030; '>-</span><span style='color:#808030; '>></span>getBalance<span style='color:#808030; '>(</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#603000; '>endl</span><span style='color:#800080; '>;</span>
                <span style='color:#800000; font-weight:bold; '>break</span><span style='color:#800080; '>;</span>
            <span style='color:#800000; font-weight:bold; '>case </span><span style='color:#008c00; '>4</span><span style='color:#e34adc; '>:</span>                    <span style='color:#696969; '>// Withdraw</span>
                <span style='color:#800000; font-weight:bold; '>if</span> <span style='color:#808030; '>(</span>account <span style='color:#808030; '>=</span><span style='color:#808030; '>=</span> <span style='color:#7d0045; '>NULL</span><span style='color:#808030; '>)</span> <span style='color:#800080; '>{</span>
                    <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#603000; '>endl</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0f69ff; '>\t</span><span style='color:#0000e6; '>Create an account first.</span><span style='color:#800000; '>"</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#603000; '>endl</span><span style='color:#800080; '>;</span>
                    <span style='color:#800000; font-weight:bold; '>break</span><span style='color:#800080; '>;</span>
                <span style='color:#800080; '>}</span>

                <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0f69ff; '>\t</span><span style='color:#0000e6; '>You currently have $</span><span style='color:#800000; '>"</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> account<span style='color:#808030; '>-</span><span style='color:#808030; '>></span>getBalance<span style='color:#808030; '>(</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0000e6; '> in your account</span><span style='color:#0f69ff; '>\n</span><span style='color:#800000; '>"</span>
                     <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0f69ff; '>\t</span><span style='color:#0000e6; '>Enter how much you would like to withdraw: </span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>
                <span style='color:#603000; '>cin</span> <span style='color:#808030; '>></span><span style='color:#808030; '>></span> response<span style='color:#800080; '>;</span>

                <span style='color:#800000; font-weight:bold; '>while</span> <span style='color:#808030; '>(</span><span style='color:#808030; '>!</span> is_double<span style='color:#808030; '>(</span>response<span style='color:#808030; '>)</span><span style='color:#808030; '>)</span> <span style='color:#800080; '>{</span>
                    <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0f69ff; '>\t</span><span style='color:#0000e6; '>Please input a valid numeric: </span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>
                    <span style='color:#603000; '>cin</span> <span style='color:#808030; '>></span><span style='color:#808030; '>></span> response<span style='color:#800080; '>;</span>
                <span style='color:#800080; '>}</span>

                previousAmount <span style='color:#808030; '>=</span> account<span style='color:#808030; '>-</span><span style='color:#808030; '>></span>getBalance<span style='color:#808030; '>(</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
                account<span style='color:#808030; '>-</span><span style='color:#808030; '>></span>withdraw<span style='color:#808030; '>(</span>sanitize<span style='color:#808030; '>(</span>response<span style='color:#808030; '>)</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
                <span style='color:#800000; font-weight:bold; '>if</span> <span style='color:#808030; '>(</span>previousAmount <span style='color:#808030; '>=</span><span style='color:#808030; '>=</span> account<span style='color:#808030; '>-</span><span style='color:#808030; '>></span>getBalance<span style='color:#808030; '>(</span><span style='color:#808030; '>)</span><span style='color:#808030; '>)</span><span style='color:#800080; '>{</span>
                    <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#603000; '>endl</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0f69ff; '>\t</span><span style='color:#0000e6; '>No money was taken out of your account.</span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>
                <span style='color:#800080; '>}</span>
                <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#603000; '>endl</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0f69ff; '>\t</span><span style='color:#0000e6; '>The new balance is: $</span><span style='color:#800000; '>"</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> account<span style='color:#808030; '>-</span><span style='color:#808030; '>></span>getBalance<span style='color:#808030; '>(</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#603000; '>endl</span><span style='color:#800080; '>;</span>
                <span style='color:#800000; font-weight:bold; '>break</span><span style='color:#800080; '>;</span>
            <span style='color:#800000; font-weight:bold; '>case </span><span style='color:#008c00; '>5</span><span style='color:#e34adc; '>:</span>                    <span style='color:#696969; '>// View balance</span>
                <span style='color:#800000; font-weight:bold; '>if</span> <span style='color:#808030; '>(</span>account <span style='color:#808030; '>=</span><span style='color:#808030; '>=</span> <span style='color:#7d0045; '>NULL</span><span style='color:#808030; '>)</span> <span style='color:#800080; '>{</span>
                    <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#603000; '>endl</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0f69ff; '>\t</span><span style='color:#0000e6; '>Create an account first.</span><span style='color:#800000; '>"</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#603000; '>endl</span><span style='color:#800080; '>;</span>
                    <span style='color:#800000; font-weight:bold; '>break</span><span style='color:#800080; '>;</span>
                <span style='color:#800080; '>}</span>

                <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0f69ff; '>\t</span><span style='color:#0000e6; '>Current balance is: $</span><span style='color:#800000; '>"</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> account<span style='color:#808030; '>-</span><span style='color:#808030; '>></span>getBalance<span style='color:#808030; '>(</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#603000; '>endl</span><span style='color:#800080; '>;</span>
                <span style='color:#800000; font-weight:bold; '>break</span><span style='color:#800080; '>;</span>
        <span style='color:#800080; '>}</span>
    <span style='color:#800080; '>}</span>

    <span style='color:#800000; font-weight:bold; '>return</span> <span style='color:#008c00; '>0</span><span style='color:#800080; '>;</span>
<span style='color:#800080; '>}</span>

<span style='color:#800000; font-weight:bold; '>int</span> menu<span style='color:#808030; '>(</span><span style='color:#603000; '>string</span> option<span style='color:#808030; '>[</span><span style='color:#808030; '>]</span><span style='color:#808030; '>,</span> <span style='color:#800000; font-weight:bold; '>int</span> n_opt<span style='color:#808030; '>)</span> <span style='color:#800080; '>{</span>
    <span style='color:#800000; font-weight:bold; '>int</span> choice<span style='color:#808030; '>,</span> i<span style='color:#800080; '>;</span>
    <span style='color:#603000; '>string</span> input<span style='color:#800080; '>;</span>

    <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0000e6; '>     - - - - - -  MENU - - - - - -</span><span style='color:#0f69ff; '>\n</span><span style='color:#0f69ff; '>\n</span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>

    <span style='color:#800000; font-weight:bold; '>for</span> <span style='color:#808030; '>(</span>i <span style='color:#808030; '>=</span> <span style='color:#008c00; '>0</span><span style='color:#800080; '>;</span> i <span style='color:#808030; '>&lt;</span> n_opt<span style='color:#800080; '>;</span> <span style='color:#808030; '>+</span><span style='color:#808030; '>+</span>i<span style='color:#808030; '>)</span>
        <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0f69ff; '>\t</span><span style='color:#800000; '>"</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#808030; '>(</span>i<span style='color:#808030; '>+</span><span style='color:#008c00; '>1</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0000e6; '> - </span><span style='color:#800000; '>"</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> option<span style='color:#808030; '>[</span>i<span style='color:#808030; '>]</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#603000; '>endl</span><span style='color:#800080; '>;</span>

    <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0f69ff; '>\n</span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>
    <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0000e6; '>     - - - - - - - - - - - - - - -</span><span style='color:#0f69ff; '>\n</span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>

    <span style='color:#800000; font-weight:bold; '>while</span> <span style='color:#808030; '>(</span>input<span style='color:#808030; '>.</span>empty<span style='color:#808030; '>(</span><span style='color:#808030; '>)</span><span style='color:#808030; '>)</span> <span style='color:#800080; '>{</span>
        <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0000e6; '>     Enter number of choice > </span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>
        <span style='color:#603000; '>cin</span> <span style='color:#808030; '>></span><span style='color:#808030; '>></span> input<span style='color:#800080; '>;</span>

        <span style='color:#800000; font-weight:bold; '>if</span> <span style='color:#808030; '>(</span><span style='color:#603000; '>isdigit</span><span style='color:#808030; '>(</span>input<span style='color:#808030; '>[</span><span style='color:#008c00; '>0</span><span style='color:#808030; '>]</span><span style='color:#808030; '>)</span><span style='color:#808030; '>)</span> <span style='color:#800080; '>{</span>
            choice <span style='color:#808030; '>=</span> <span style='color:#603000; '>atoi</span><span style='color:#808030; '>(</span>input<span style='color:#808030; '>.</span>c_str<span style='color:#808030; '>(</span><span style='color:#808030; '>)</span><span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>

            <span style='color:#800000; font-weight:bold; '>if</span> <span style='color:#808030; '>(</span>choice <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>=</span> n_opt <span style='color:#808030; '>&amp;</span><span style='color:#808030; '>&amp;</span> choice <span style='color:#808030; '>></span> <span style='color:#008c00; '>0</span><span style='color:#808030; '>)</span> <span style='color:#800080; '>{</span>
                <span style='color:#800000; font-weight:bold; '>return</span> choice<span style='color:#800080; '>;</span>
            <span style='color:#800080; '>}</span> <span style='color:#800000; font-weight:bold; '>else</span> <span style='color:#800080; '>{</span>          <span style='color:#696969; '>/* choice out of range */</span>
                <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0f69ff; '>\t</span><span style='color:#0000e6; '>Your response MUST be between 1 and </span><span style='color:#800000; '>"</span>
                     <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> n_opt <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#603000; '>endl</span><span style='color:#800080; '>;</span>
                input <span style='color:#808030; '>=</span> <span style='color:#800000; '>"</span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>
            <span style='color:#800080; '>}</span>
        <span style='color:#800080; '>}</span> <span style='color:#800000; font-weight:bold; '>else</span> <span style='color:#800080; '>{</span>                <span style='color:#696969; '>/* Non-numeric input, ignore */</span>
            <span style='color:#603000; '>cout</span> <span style='color:#808030; '>&lt;</span><span style='color:#808030; '>&lt;</span> <span style='color:#800000; '>"</span><span style='color:#0f69ff; '>\t</span><span style='color:#0000e6; '>Your response MUST be a number!</span><span style='color:#0f69ff; '>\n</span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>
            input <span style='color:#808030; '>=</span> <span style='color:#800000; '>"</span><span style='color:#800000; '>"</span><span style='color:#800080; '>;</span>
        <span style='color:#800080; '>}</span>
    <span style='color:#800080; '>}</span>

    <span style='color:#800000; font-weight:bold; '>return</span> <span style='color:#008c00; '>1</span><span style='color:#800080; '>;</span>
<span style='color:#800080; '>}</span>

<span style='color:#800000; font-weight:bold; '>bool</span> is_double<span style='color:#808030; '>(</span><span style='color:#800000; font-weight:bold; '>const</span> <span style='color:#603000; '>string</span><span style='color:#808030; '>&amp;</span> s<span style='color:#808030; '>)</span><span style='color:#800080; '>{</span>
    <span style='color:#800000; font-weight:bold; '>char</span><span style='color:#808030; '>*</span> end<span style='color:#800080; '>;</span>
    <span style='color:#800000; font-weight:bold; '>double</span> val <span style='color:#808030; '>=</span> <span style='color:#603000; '>strtod</span><span style='color:#808030; '>(</span>s<span style='color:#808030; '>.</span>c_str<span style='color:#808030; '>(</span><span style='color:#808030; '>)</span><span style='color:#808030; '>,</span> <span style='color:#808030; '>&amp;</span>end<span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    <span style='color:#696969; '>// make sure end is not the start of the string nor null terminate</span>
    <span style='color:#696969; '>// make sure val is not HUGE_VAL, meaning the num is out of double's range</span>
    <span style='color:#800000; font-weight:bold; '>return</span> end <span style='color:#808030; '>!</span><span style='color:#808030; '>=</span> s<span style='color:#808030; '>.</span>c_str<span style='color:#808030; '>(</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>&amp;</span><span style='color:#808030; '>&amp;</span> <span style='color:#808030; '>*</span>end <span style='color:#808030; '>=</span><span style='color:#808030; '>=</span> <span style='color:#0000e6; '>'\0'</span> <span style='color:#808030; '>&amp;</span><span style='color:#808030; '>&amp;</span> val <span style='color:#808030; '>!</span><span style='color:#808030; '>=</span> HUGE_VAL<span style='color:#800080; '>;</span>
<span style='color:#800080; '>}</span>

<span style='color:#800000; font-weight:bold; '>double</span> sanitize<span style='color:#808030; '>(</span><span style='color:#800000; font-weight:bold; '>const</span> <span style='color:#603000; '>string</span><span style='color:#808030; '>&amp;</span> s<span style='color:#808030; '>)</span><span style='color:#800080; '>{</span>
    <span style='color:#800000; font-weight:bold; '>char</span><span style='color:#808030; '>*</span> end<span style='color:#800080; '>;</span>
    <span style='color:#800000; font-weight:bold; '>double</span> amount <span style='color:#808030; '>=</span> <span style='color:#603000; '>strtod</span><span style='color:#808030; '>(</span>s<span style='color:#808030; '>.</span>c_str<span style='color:#808030; '>(</span><span style='color:#808030; '>)</span><span style='color:#808030; '>,</span> <span style='color:#808030; '>&amp;</span>end<span style='color:#808030; '>)</span><span style='color:#800080; '>;</span>
    amount <span style='color:#808030; '>=</span> round<span style='color:#808030; '>(</span>amount <span style='color:#808030; '>*</span> <span style='color:#008000; '>100.0</span><span style='color:#808030; '>)</span> <span style='color:#808030; '>/</span> <span style='color:#008000; '>100.0</span><span style='color:#800080; '>;</span>
    <span style='color:#800000; font-weight:bold; '>if</span> <span style='color:#808030; '>(</span>amount <span style='color:#808030; '>&lt;</span> <span style='color:#008c00; '>0</span><span style='color:#808030; '>)</span> amount <span style='color:#808030; '>=</span> <span style='color:#008c00; '>0</span><span style='color:#800080; '>;</span>
    <span style='color:#800000; font-weight:bold; '>return</span> amount<span style='color:#800080; '>;</span>
<span style='color:#800080; '>}</span>
</pre>