Dynamic Arrays Write And Test An Array Class Write An Array Application

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Dynamic Arrays Write And Test An Array Class Write An Array Application

This assignment involves the writing of 2 CPP’s. To it’s clear which CPP goes with which “part” of the assignment, make sure that you have some reference to the part number in your file names (like part1.cpp or testing.1.cpp for example).

Part 1, Write And Test An Array Class [MyDynamicArray.h]

Write and test a data structures template. The resulting template can be used in any program in place of a C++ array.

Requirements. Develop MyDynamicArray.h as you write a test driver with class MyDynamicArray, defined and fully tested. Write the public interface exactly as specified below — do not add to, or change the public interface as specified.

  1. Write the template for an array of 2 values (initially) of unspecified type.
  2. Include a public square bracket getter and setter pair, both with index range-checking, returning whatever value you wish if out of range. But apply capacity auto-adjusting for the setter if out of range high.
  3. Include a public getter named MyDynamicArray::capacity( ) to return the data structure’s now-variable capacity
  4. Include a public setter named MyDynamicArray::capacity(int) to change the capacity.
  5. Do tests with int, double, or char. Also do tests with an object, like string.

Note that there is no good reason to copy the “dummy” value in the dynamic memory management functions, so don’t include it in your testing of const object copy or object assignment.

Part 2, Write An Array Application

Write a C++ console app using your MyDynamicArray template. Use your already-tested and verified H file from part 1.

Exactly as in Lab Assignment 2, this app lets its user enter as many values as they like, and when that process is completed, lets the user look up values by matching index.

In a loop, the app should prompting the user to enter a pair of numbers on the same line: a whole number index and its corresponding floating point value. Do validate index input in the app. Quit the loop when an uppercase or lowercase Q is entered for either the index or the value. Indexes can be entered in any order — they don’t have to start with zero and go up by one thereafter. It’s whatever the user enters.

Your app should keep track of which indexes got entered. Use a bool MyDynamicArray for that.

After all data entry is complete, the app should:

  1. output how many (unique) indexes got entered,
  2. output the list of all used indexes and their values, per the example below, and
  3. implement an event-controlled loop that prompts for an index value and outputs whether the index is in use or not, and if in use, what is the value stored for that index. Loop until the user elects to stop by entering uppercase or lowercase Q.

Here’s a sample of how this should work (user input in blue):

Input an index and a value [Q to quit]: 33 1.2_x000D_
Input an index and a value [Q to quit]: 4 100_x000D_
Input an index and a value [Q to quit]: 5 300_x000D_
Input an index and a value [Q to quit]: x 1.7_x000D_
Input an index and a value [Q to quit]: 33 120_x000D_
Input an index and a value [Q to quit]: -1 23.4_x000D_
Input an index and a value [Q to quit]: 2000 -999.9_x000D_
Input an index and a value [Q to quit]: q_x000D_
_x000D_
You stored this many values: 5_x000D_
The index-value pairs are:_x000D_
  0 => 1.7_x000D_
  4 => 100_x000D_
  5 => 300_x000D_
  33 => 120_x000D_
  2000 => -999.9_x000D_
_x000D_
Input an index for me to look up [Q to quit]: 33_x000D_
  Found it -- the value stored at index 33 is 120_x000D_
Input an index for me to look up [Q to quit]: 0_x000D_
  Found it -- the value stored at index 0 is 1.7_x000D_
Input an index for me to look up [Q to quit]: -10_x000D_
  Sorry, but there is no value stored at index -10_x000D_
Input an index for me to look up [Q to quit]: 38_x000D_
  Sorry, but there is no value stored at index 38_x000D_
Input an index for me to look up [Q to quit]: 10000_x000D_
  Sorry, but there is no value stored at index 10000_x000D_
Input an index for me to look up [Q to quit]: 2000_x000D_
  Found it -- the value stored at index 2000 is -999.9_x000D_
Input an index for me to look up [Q to quit]: q_x000D_

Design the prompts and the output formatting as you like. It should work just like your StaticArray from Lab Assignment 2, but with auto-adjusting capacity.

Submit 4 Files

Submit your app CPP and your test driver CPP (named as you wish), and your template H file (named as specified) for grading.Also, submit a word doc with yor code and screen shot of the test

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