public void ChangeMatrixDiagonally_TwoDimensionalArray_TwoDimensionalArrayWith0And1()
{
test3(new int[, ] {
{ 1, 0, 0 }, { 1, 1, 0 }, { 1, 1, 1 }
},
new int[, ] {
{ 1, 1, 1 }, { 0, 1, 1 }, { 0, 0, 1 }
});
test3(new int[, ] {
{ 2, 4, 3, 3 }, { 5, 7, 8, 5 }, { 2, 4, 3, 3 }, { 5, 7, 8, 5 }
},
new int[, ] {
{ 2, 1, 1, 1 }, { 0, 7, 1, 1 }, { 0, 0, 3, 1 }, { 0, 0, 0, 5 }
});
test3(new int[, ] {
{ 10, -5 }, { -5, -15 }
}, new int[, ] {
{ 10, 1 }, { 0, -15 }
});
void test3(int[,] matrix, int[,] expectedResult)
{
ArrayTasks.ChangeMatrixDiagonally(matrix);
Assert.AreEqual(expectedResult, matrix,
"ChangeMatrixDiagonally worked incorrectly. Check your solution and change it.");
}
}
public void ChangeElementsInArray_Array_SwapedArray()
{
test(new int[] { 20, 15, -15, 0 }, new int[] { 0, 15, -15, 20 });
test(new int[] { 11, 20, 30, 40, 55 }, new int[] { 11, 40, 30, 20, 55 });
test(new int[] { 11, 20, 33, 40, 11, 55 }, new int[] { 11, 20, 33, 40, 11, 55 });
test(new int[] { 4, -6, 8, 10, -12, -2 }, new int[] { -2, -12, 10, 8, -6, 4 });
test(new int[] { 11, 33, 55, 77 }, new int[] { 11, 33, 55, 77 });
test(new int[] { 1 }, new int[] { 1 });
test(new int[] { }, new int[] { });
void test(int[] nums, int[] expectedResult)
{
ArrayTasks.ChangeElementsInArray(nums);
Assert.AreEqual(expectedResult, nums,
"ChangeElementsInArray worked incorrectly. Check your solution and change it.");
}
}
public void DistanceBetweenFirstAndLastOccurrenceOfMaxValue_Array_Result()
{
test2(new int[] { 4, 3, 100, 4 }, 0);
test2(new int[] { -5, 4, 50, 50, -5 }, 1);
test2(new int[] { 100, 350, 350, 100, 350, 100 }, 3);
test2(new int[] { 10, 10, 10, 10, 10 }, 4);
test2(new int[] { -70, -50, -30, -10, -15 }, 0);
test2(new int[] { 13 }, 0);
test2(new int[] { }, 0);
void test2(int[] nums, int expectedResult)
{
int actualResult = ArrayTasks.DistanceBetweenFirstAndLastOccurrenceOfMaxValue(nums);
Assert.AreEqual(expectedResult, actualResult,
"DistanceBetweenFirstAndLastOccurrenceOfMaxValue worked incorrectly. Check your solution and change it.");
}
}
