Exemple #1
0
  @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]);
      }
    }
  }
Exemple #2
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  @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]);
      }
    }
  }
Exemple #3
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 @Test
 public void isPermuationWithHash1_Q_1_1() {
   assertTrue(Chapter1.isPermuationWithHash1_Q_1_1("test", "test"));
 }
Exemple #4
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 @Test
 public void Testcompressionworks() {
   assertEquals("a3b1c1d2e3f3", Chapter1.compression_Q_1_5("aaabcddeeefff"));
 }
Exemple #5
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 @Test
 public void compressionSameString_Q_1_5() {
   assertEquals("a2b1c5a3", Chapter1.compression_Q_1_5("aabcccccaaa"));
 }
Exemple #6
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 @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));
 }
Exemple #7
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 @Test
 public void isPermuationWithHashDiffString1_Q_1_1() {
   assertFalse(Chapter1.isPermuationWithHash1_Q_1_1("test", "test1"));
 }
Exemple #8
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 @Test
 public void isPermuationNoDataStructure_Q_1_1() {
   assertTrue(Chapter1.isPermuationNoDataStructure_Q_1_1("test", "test"));
 }