Answered: Part 1: Test Program Write a program to…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Part 1: Test Program

Write a program to test all test cases outlined in the test plan. For each method (unit) being tested, ensure your client program provides output clearly describing the method being tested along with the expected and actual result.

When testing constructors, verify the results by calling an accessor method of the class.
When testing mutators, use the accessor method to verify the state change.
When a test fails (actual does not match the expected), correct the method code, then re-test. Keep in mind that a poorly written test can produce inaccurate test results. If a test fails, ensure you have written the test correctly before modifying your unit code.

Output Requirement

For each method (unit), output the method signature.

For each test, output the following:

Test number
Outcome description
Expected result
Actual result

Leave one blank line between each test.

Sample

StudentGrades(int) Test #1 - Initialize grades array without data. Expected: [0, 0, 0, 0] Actual: [0, 0, 0, 0]

Unit
StudentGrades(int)
StudentGrades(int[])
getGrades(): int[]
setGrades(int[]): void
A
getSortedGrades[] : int[]
getHighestGrade(): int
getAverageGrade(): double
toString(): String
B
Total Tests: 7
#
1
1
1
1
1
1
1
Module 6 Assignment - Test Plan
Outcome
Initialize grades array without
data.
Initialize grades array with
Return a copy of the grades
array sorted in ascending
Update the state of the grades. Initial grades = ?
grades?
Return the correct highest
grade value
Return the correct average of
all the grades.
Test Data
numberOfStudents ?
Return the correct String
representation.
grades?
grades ?
=
grades 7
grades?
grades
Expected
?
?
?
?
?
?
?
E
Comments
Use getGrades() to verify.
Use getGrades() to verify.
Tested above.
Use getGrades() to verify.
Start your Expected input with
a single quote (').
Use alt-enter for a line break in
the expected data.
G

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