numbersFinal

This commit is contained in:
Tobias Busch 2025-12-14 22:28:01 +01:00
parent 19b9fec1bf
commit b7882d9e71
2 changed files with 218 additions and 12 deletions

View File

@ -28,18 +28,21 @@ unsigned int *createNumbers(unsigned int len)
{ {
srand(time(NULL)); srand(time(NULL));
TreeNode *numbers;
int isDuplicate = 0; int isDuplicate = 0;
unsigned int number = rand() % (2 * len) + 1; unsigned int number = rand() % (2 * len) + 1;
unsigned int *array = malloc(len * sizeof(int)); unsigned int *array = malloc(len * sizeof(unsigned int));
if (array == NULL)
return NULL;
numbers = addToTree(NULL, &number, sizeof(int), compareFct, &isDuplicate); TreeNode* numbers = addToTree(NULL, &number, sizeof(unsigned int), compareFct, &isDuplicate);
array[0] = number; array[0] = number;
for (int i = 1; i < len; i++)
for (unsigned int i = 1; i < len; i++)
{ {
number = rand() % (2 * len) + 1; number = rand() % (2 * len) + 1;
numbers = addToTree(numbers, &number, sizeof(int), compareFct, &isDuplicate);
numbers = addToTree(numbers, &number, sizeof(unsigned int), compareFct, &isDuplicate);
if (isDuplicate == 1) if (isDuplicate == 1)
{ {
isDuplicate = 0; isDuplicate = 0;
@ -69,22 +72,28 @@ unsigned int *createNumbers(unsigned int len)
// Returns only the only number in numbers which is present twice. Returns zero on errors. // Returns only the only number in numbers which is present twice. Returns zero on errors.
unsigned int getDuplicate(const unsigned int numbers[], unsigned int len) unsigned int getDuplicate(const unsigned int numbers[], unsigned int len)
{ {
unsigned int *copyNumbers = malloc(sizeof(int) * len); unsigned int *copyNumbers = malloc(sizeof(unsigned int) * len);
for (int i = 0; i < len; i++) if (copyNumbers == NULL)
return 0;
unsigned int duplicateValue = 0;
for (unsigned int i = 0; i < len; i++)
{ {
copyNumbers[i] = numbers [i]; copyNumbers[i] = numbers [i];
} }
qsort(copyNumbers, len, sizeof(int), compareFct); qsort(copyNumbers, len, sizeof(unsigned int), compareFct);
for (int i = 0; i < len - 1; i++) for (unsigned int i = 0; i < len - 1; i++)
{ {
if (copyNumbers[i] == copyNumbers[i + 1]) if (copyNumbers[i] == copyNumbers[i + 1])
{ {
return copyNumbers[i]; duplicateValue = copyNumbers[i];
free(copyNumbers);
return duplicateValue;
} }
} }
free(copyNumbers); free(copyNumbers);
return 0; return 0;
} }

197
test_numbers.c Normal file
View File

@ -0,0 +1,197 @@
#include <stdio.h>
#include <stdlib.h>
#include "matrix.h"
#include "unity.h"
void test_createMatrixFailsOnZeroDimensions(void)
{
Matrix matrixToTest1 = createMatrix(0, 1);
Matrix matrixToTest2 = createMatrix(1, 0);
TEST_ASSERT_NULL(matrixToTest1.buffer);
TEST_ASSERT_EQUAL_UINT32(0, matrixToTest1.rows);
TEST_ASSERT_EQUAL_UINT32(0, matrixToTest1.cols);
TEST_ASSERT_NULL(matrixToTest2.buffer);
TEST_ASSERT_EQUAL_UINT32(0, matrixToTest2.rows);
TEST_ASSERT_EQUAL_UINT32(0, matrixToTest2.cols);
}
void test_createMatrixReturnsCorrectMatrixDimensions(void)
{
const unsigned int expectedRows = 15;
const unsigned int expectedCols = 10;
Matrix matrixToTest = createMatrix(expectedRows, expectedCols);
TEST_ASSERT_EQUAL_UINT32(expectedRows, matrixToTest.rows);
TEST_ASSERT_EQUAL_UINT32(expectedCols, matrixToTest.cols);
free(matrixToTest.buffer);
}
void test_clearMatrixSetsMembersToNull(void)
{
Matrix matrixToTest = createMatrix(10, 10);
clearMatrix(&matrixToTest);
TEST_ASSERT_NULL(matrixToTest.buffer);
TEST_ASSERT_EQUAL_UINT32(0, matrixToTest.rows);
TEST_ASSERT_EQUAL_UINT32(0, matrixToTest.cols);
}
void test_addReturnsCorrectResult(void)
{
MatrixType buffer1[] = {1, 2, 3, 4, 5, 6};
MatrixType buffer2[] = {7, 8, 9, 10, 11, 12};
Matrix matrix1 = {.rows=2, .cols=3, .buffer=buffer1};
Matrix matrix2 = {.rows=2, .cols=3, .buffer=buffer2};
Matrix result = add(matrix1, matrix2);
float expectedResults[] = {8, 10, 12, 14, 16, 18};
TEST_ASSERT_EQUAL_UINT32(matrix1.rows, result.rows);
TEST_ASSERT_EQUAL_UINT32(matrix2.rows, result.rows);
TEST_ASSERT_EQUAL_UINT32(matrix1.cols, result.cols);
TEST_ASSERT_EQUAL_UINT32(matrix2.cols, result.cols);
TEST_ASSERT_EQUAL_INT(sizeof(expectedResults)/sizeof(expectedResults[0]), result.rows * result.cols);
TEST_ASSERT_EQUAL_FLOAT_ARRAY(expectedResults, result.buffer, result.cols * result.rows);
free(result.buffer);
}
void test_addFailsOnDifferentInputDimensions(void)
{
MatrixType buffer1[] = {1, 2, 3, 4, 5, 6};
MatrixType buffer2[] = {7, 8, 9, 10, 11, 12};
Matrix matrix1 = {.rows=2, .cols=3, .buffer=buffer1};
Matrix matrix2 = {.rows=3, .cols=2, .buffer=buffer2};
Matrix result = add(matrix1, matrix2);
TEST_ASSERT_NULL(result.buffer);
TEST_ASSERT_EQUAL_UINT32(0, result.rows);
TEST_ASSERT_EQUAL_UINT32(0, result.cols);
}
void test_addSupportsBroadcasting(void)
{
MatrixType buffer1[] = {1, 2, 3, 4, 5, 6};
MatrixType buffer2[] = {7, 8};
Matrix matrix1 = {.rows=2, .cols=3, .buffer=buffer1};
Matrix matrix2 = {.rows=2, .cols=1, .buffer=buffer2};
Matrix result1 = add(matrix1, matrix2);
Matrix result2 = add(matrix2, matrix1);
float expectedResults[] = {8, 9, 10, 12, 13, 14};
TEST_ASSERT_EQUAL_UINT32(matrix1.rows, result1.rows);
TEST_ASSERT_EQUAL_UINT32(matrix1.cols, result1.cols);
TEST_ASSERT_EQUAL_UINT32(matrix1.rows, result2.rows);
TEST_ASSERT_EQUAL_UINT32(matrix1.cols, result2.cols);
TEST_ASSERT_EQUAL_INT(sizeof(expectedResults)/sizeof(expectedResults[0]), result1.rows * result1.cols);
TEST_ASSERT_EQUAL_FLOAT_ARRAY(expectedResults, result1.buffer, result1.cols * result1.rows);
TEST_ASSERT_EQUAL_INT(sizeof(expectedResults)/sizeof(expectedResults[0]), result2.rows * result2.cols);
TEST_ASSERT_EQUAL_FLOAT_ARRAY(expectedResults, result2.buffer, result2.cols * result2.rows);
free(result1.buffer);
free(result2.buffer);
}
void test_multiplyReturnsCorrectResults(void)
{
MatrixType buffer1[] = {1, 2, 3, 4, 5, 6};
MatrixType buffer2[] = {7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18};
Matrix matrix1 = {.rows=2, .cols=3, .buffer=buffer1};
Matrix matrix2 = {.rows=3, .cols=4, .buffer=buffer2};
Matrix result = multiply(matrix1, matrix2);
float expectedResults[] = {74, 80, 86, 92, 173, 188, 203, 218};
TEST_ASSERT_EQUAL_UINT32(matrix1.rows, result.rows);
TEST_ASSERT_EQUAL_UINT32(matrix2.cols, result.cols);
TEST_ASSERT_EQUAL_INT(sizeof(expectedResults)/sizeof(expectedResults[0]), result.rows * result.cols);
TEST_ASSERT_EQUAL_FLOAT_ARRAY(expectedResults, result.buffer, result.cols * result.rows);
free(result.buffer);
}
void test_multiplyFailsOnWrongInputDimensions(void)
{
MatrixType buffer1[] = {1, 2, 3, 4, 5, 6};
MatrixType buffer2[] = {7, 8, 9, 10, 11, 12};
Matrix matrix1 = {.rows=2, .cols=3, .buffer=buffer1};
Matrix matrix2 = {.rows=2, .cols=3, .buffer=buffer2};
Matrix result = multiply(matrix1, matrix2);
TEST_ASSERT_NULL(result.buffer);
TEST_ASSERT_EQUAL_UINT32(0, result.rows);
TEST_ASSERT_EQUAL_UINT32(0, result.cols);
}
void test_getMatrixAtReturnsCorrectResult(void)
{
MatrixType buffer[] = {1, 2, 3, 4, 5, 6};
Matrix matrixToTest = {.rows=2, .cols=3, .buffer=buffer};
int expectedResult = buffer[4];
TEST_ASSERT_EQUAL_INT(expectedResult, getMatrixAt(matrixToTest, 1, 1));
}
void test_getMatrixAtFailsOnIndicesOutOfRange(void)
{
MatrixType buffer[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
Matrix matrixToTest = {.rows=2, .cols=3, .buffer=buffer};
TEST_ASSERT_EQUAL_INT(UNDEFINED_MATRIX_VALUE, getMatrixAt(matrixToTest, 2, 3));
}
void test_setMatrixAtSetsCorrectValue(void)
{
const int expectedResult = -1;
MatrixType buffer[] = {1, 2, 3, 4, 5, 6};
Matrix matrixUnderTest = {.rows=2, .cols=3, .buffer=buffer};
setMatrixAt(expectedResult, matrixUnderTest, 1, 2);
TEST_ASSERT_EQUAL_INT(expectedResult, buffer[5]);
}
void test_setMatrixAtFailsOnIndicesOutOfRange(void)
{
const float expectedResults[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
MatrixType buffer[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
Matrix matrixToTest = {.rows=2, .cols=3, .buffer=buffer};
setMatrixAt(-1, matrixToTest, 2, 3);
TEST_ASSERT_EQUAL_FLOAT_ARRAY(expectedResults, matrixToTest.buffer, sizeof(buffer)/sizeof(MatrixType));
}
void setUp(void) {
// Falls notwendig, kann hier Vorbereitungsarbeit gemacht werden
}
void tearDown(void) {
// Hier kann Bereinigungsarbeit nach jedem Test durchgeführt werden
}
int main()
{
UNITY_BEGIN();
printf("============================\nMatrix tests\n============================\n");
RUN_TEST(test_createMatrixReturnsCorrectMatrixDimensions);
RUN_TEST(test_createMatrixFailsOnZeroDimensions);
RUN_TEST(test_clearMatrixSetsMembersToNull);
RUN_TEST(test_addReturnsCorrectResult);
RUN_TEST(test_addFailsOnDifferentInputDimensions);
RUN_TEST(test_addSupportsBroadcasting);
RUN_TEST(test_multiplyReturnsCorrectResults);
RUN_TEST(test_multiplyFailsOnWrongInputDimensions);
RUN_TEST(test_getMatrixAtReturnsCorrectResult);
RUN_TEST(test_getMatrixAtFailsOnIndicesOutOfRange);
RUN_TEST(test_setMatrixAtSetsCorrectValue);
RUN_TEST(test_setMatrixAtFailsOnIndicesOutOfRange);
return UNITY_END();
}