David Hruska
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MathWorks
160 total contributions since 2011David Hruska's Badges
Answer 3 questions that were unanswered for more than 30 days
Awarded to David Hruska on 27 Dec 2019
3 of your answers have been accepted
Awarded to David Hruska on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to David Hruska on 20 Jul 2017
Obtain 50 solvers for a problem you have created
Awarded to David Hruska on 31 May 2013
Create a problem
Awarded to David Hruska on 13 Apr 2012
Comment on a problem or solution
Awarded to David Hruska on 29 Feb 2012
Be the first to solve a problem
Awarded to David Hruska on 25 Jan 2012
Solve a problem for the first time
Awarded to David Hruska on 25 Jan 2012
Assign value to property of mock object when method is called
If you're using R2018b or later, you can use the Invoke action to set this up. Here's an example: function example import ...
alrededor de 1 mes ago | 1
| accepted
Create a mock with defined behavior on different subsequent method calls
I know this reply is coming very late, but if it's still helpful, this is possible in R2019b using the Invoke action to define m...
alrededor de 1 año ago | 0
unit test mocking framework: verify a method was called in a sequence
I know this reply is coming very late, but in case it's still helpful, this is now possible in R2019b using the Occurred constra...
alrededor de 1 año ago | 0
Unit Test: Write parametrized tests where TestParameters depends on ClassSetupParameters?
Sorry for the long delay in replying! Were you able to find a workaround? The only workaround I can think of is to manually c...
más de 2 años ago | 0
How can I pass values from inside a TestRunner run?
You can use a TestRunnerPlugin to store data from the test run. I've included some example code below to show how this might wor...
más de 2 años ago | 0
| accepted
Solved
Number of Even Elements in Fibonacci Sequence
Find how many even fibonacci numbers are available in the first d numbers. Consider the following first 14 numbers 1 1 2...
alrededor de 3 años ago
Solved
The 5th Root
Write a function to find the 5th root of a number. It sounds easy, but the typical functions are not allowed (see the test su...
alrededor de 3 años ago
How can I make a mock method return different answers?
Unfortunately, there isn't a clean way to do this. I'll record this question in an enhancement request, though, for consideratio...
más de 3 años ago | 1
| accepted
Solved
Combine the first and last names
MATLAB R2016 provides a rich set of functions to work with string arrays. In this problem, you will be given two string arrays o...
casi 4 años ago
How to use constant property when defining TestParameter in unittest.
This is a bug: https://www.mathworks.com/support/bugreports/1212962 The bug report mentions Static methods but the same is...
más de 4 años ago | 1
| accepted
Solved
This is a palindrome and so am I
A palindrome is a sequence of characters which reads the same backward or forward, for instance 'a man a plan a canal panama'...
más de 5 años ago
Parameters for Matlab.unittest.TestCase
If you have access to R2014a or later, parameterized testing could still be an option. Parameter values are often hard-coded but...
casi 6 años ago | 2
How to perform multiple identical unit tests.
Release 2014a provides another solution that you may want to consider -- writing a parameterized test. Please see <http://www.ma...
casi 7 años ago | 1
Data driven Unit Tests
Another possibility, as of release 2014a, is to write a <http://www.mathworks.com/help/matlab/matlab_prog/create-basic-parameter...
casi 7 años ago | 2
Solved
Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...
casi 7 años ago
Solved
Equilibrium
Is this tower of blocks going to fall? <<http://www.alfnie.com/software/equilibrium02.jpg>> *Description* Given a stack...
casi 7 años ago
How to perform multiple identical unit tests.
Hi Graham, One approach is to define your test content in an abstract base class. The test content would refer to an abstract...
alrededor de 7 años ago | 2
| accepted
Solved
Coin change combinations.
Using only pennies (1), nickels (5), dimes (10), quarters (25), half dollars (50), and dollars (100), how many different combina...
casi 8 años ago
Solved
Unique values without using UNIQUE function
You must return unique values in a vector in *stable* mode without using the unique function. About stable order flag: ...
alrededor de 8 años ago
Solved
Create logical matrix with a specific row and column sums
Given two numbers *|n|* and *|s|*, build an |n-by-n| logical matrix (of only zeros and ones), such that both the row sums and th...
más de 8 años ago
Solved
Replicate elements in vectors
Replicate each element of a row vector (with NaN) a constant number of times. Examples : n=2, A=[1 2 3] -> [1 1 2 2 3 3] n=0...
más de 8 años ago
Solved
Community Problem 500!
In honor of this being the 500th Community problem, see if you can create a function that has a Cody size of 500. It can do any...
más de 8 años ago
Solved
Find the sum of the elements in the "second" diagonal
Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.
más de 8 años ago
Solved
Set the array elements whose value is 13 to 0
Input A either an array or a vector (which can be empty) Output B will be the same size as A . All elements of A equal to 13...
más de 8 años ago
Solved
Convert single-precision floating-point number to binary representation
Write a function which takes a scalar <http://en.wikipedia.org/wiki/Single-precision_floating-point_format single-precision floa...
más de 8 años ago
Solved
Multiply 2 numbers
Very easy, you just have to multiply 2 numbers but you cannot use the following signs (*, /, - ,^) ,mtimes , times, cross, pro...
más de 8 años ago
Solved
Create a matrix from a cell
In this problem , you must convert a cell into a matrix and pad each cell with NaN. *Example 1:* If you have the input...
más de 8 años ago
Solved
Assign numerical values to a structure with 1 field
The aim is to assign values to a multidimensional structure *without using for-loop or while-loop* Example with a structure ...
más de 8 años ago
Solved
Accumulate Cells
Given a combining function, a cell array, and an initial value, accumulate the result. For example, accumcell(@plus,{1,...
más de 8 años ago
Solved
Find the biggest empty box
You are given a matrix that contains only ones and zeros. Think of the ones as columns in an otherwise empty floor plan. You wan...
más de 8 años ago
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