@Test
public void rotateNXNMatrix_1_6() {
int[][] matrix =
new int[][] {
{
1, 2, 3, 4, 5, 6,
},
{7, 8, 9, 10, 11, 12},
{13, 14, 15, 16, 17, 18},
{19, 20, 21, 22, 23, 24},
{25, 26, 27, 28, 29, 30},
{31, 32, 33, 34, 35, 36}
};
int[][] matrixExpect =
new int[][] {
{31, 25, 19, 13, 7, 1},
{32, 26, 20, 14, 8, 2},
{33, 27, 21, 15, 9, 3},
{34, 28, 22, 16, 10, 4},
{35, 29, 23, 17, 11, 5},
{36, 30, 24, 18, 12, 6}
};
int[][] matrixGot = Chapter1.rotateNXNMatrix_1_6(matrix, 6);
for (int i = 0; i < 6; i++) {
for (int j = 0; j < 6; j++) {
assertEquals(matrixExpect[i][j], matrixGot[i][j]);
}
}
}
@Test
public void zeroOutMatrix_Q_1_7() {
int[][] matrix =
new int[][] {
{1, 2, 3},
{
7, 0, 9,
},
{13, 14, 0}
};
int[][] matrixExpect =
new int[][] {
{1, 0, 0},
{
0, 0, 0,
},
{0, 0, 0}
};
Chapter1.zeroOutMatrix_Q_1_7(matrix, 3);
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
assertEquals(matrixExpect[i][j], matrix[i][j]);
}
}
}
@Test
public void isPermuationWithHash1_Q_1_1() {
assertTrue(Chapter1.isPermuationWithHash1_Q_1_1("test", "test"));
}
@Test
public void Testcompressionworks() {
assertEquals("a3b1c1d2e3f3", Chapter1.compression_Q_1_5("aaabcddeeefff"));
}
@Test
public void compressionSameString_Q_1_5() {
assertEquals("a2b1c5a3", Chapter1.compression_Q_1_5("aabcccccaaa"));
}
@Test
public void replaceSpacesWithPercentTwenty_Q_1_4() {
char[] testArr = "Mr John Smith ".toCharArray();
Chapter1.replaceSpacesWithPercentTwenty_Q_1_4(testArr, 13);
assertEquals("Mr%20John%20Smith", String.valueOf(testArr));
}
@Test
public void isPermuationWithHashDiffString1_Q_1_1() {
assertFalse(Chapter1.isPermuationWithHash1_Q_1_1("test", "test1"));
}
@Test
public void isPermuationNoDataStructure_Q_1_1() {
assertTrue(Chapter1.isPermuationNoDataStructure_Q_1_1("test", "test"));
}