Examples of io.vertx.core.http.CaseInsensitiveHeaders

io.vertx.core.http.CaseInsensitiveHeaders
This multi-map implementation has case insensitive keys, and can be used to hold some HTTP headers prior to making an HTTP request. @author Norman Maurer

  }


  @Test
  public void testSetTest13()
      throws Exception {
    MultiMap mmap = new CaseInsensitiveHeaders();
    String name = "aaa";
    String strVal = "";


    MultiMap result = mmap.set(name, strVal);


    assertNotNull(result);
    assertFalse(result.isEmpty());
    assertEquals(1, result.size());
    assertEquals("aaa: \n", result.toString());

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  }


  @Test
  public void testSetTest14()
      throws Exception {
    MultiMap mmap = new CaseInsensitiveHeaders();
    String name = "";
    String strVal = "bbb";


    MultiMap result = mmap.set(name, strVal);


    assertNotNull(result);
    assertFalse(result.isEmpty());
    assertEquals(1, result.size());
    assertEquals(": bbb\n", result.toString());

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  }


  @Test(expected = NullPointerException.class)
  public void testSetIterableNPE()
      throws Exception {
    new CaseInsensitiveHeaders().set("name", (Iterable<String>) null);
  }

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  }


  @Test
  public void testSetIterableEmpty()
      throws Exception {
    MultiMap mmap = new CaseInsensitiveHeaders();


    String name = "name";
    List<String> values = new ArrayList<String>();


    MultiMap result = mmap.set(name, values);


    assertNotNull(result);
    assertTrue(result.isEmpty());
    assertEquals(0, result.size());
    assertEquals("", result.toString());

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  }


  @Test
  public void testSetIterable()
      throws Exception {
    MultiMap mmap = new CaseInsensitiveHeaders();


    String name = "name";
    List<String> values = new ArrayList<String>();
    values.add("value1");
    values.add(null);


    MultiMap result = mmap.set(name, values);


    assertNotNull(result);
    assertFalse(result.isEmpty());
    assertEquals(1, result.size());
    assertEquals("name: value1\n", result.toString());

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  }


  @Test
  public void testSize()
      throws Exception {
    MultiMap mmap = new CaseInsensitiveHeaders();


    assertEquals(0, mmap.size());
    mmap.add("header", "value");
    assertEquals(1, mmap.size());
    mmap.add("header2", "value2");
    assertEquals(2, mmap.size());
    mmap.add("header", "value3");
    assertEquals(2, mmap.size());
  }

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    assertEquals(2, mmap.size());
  }


  @Test
  public void testGetHashColl() {
    MultiMap mm = new CaseInsensitiveHeaders();
    String name1 = "!~AZ";
    String name2 = "!~\u0080Y";
    mm.add(name1, "value1");
    mm.add(name2, "value2");
    assertEquals(2, mm.size());
    assertEquals("value1", mm.get(name1));
    assertEquals("value2", mm.get(name2));


    mm = new CaseInsensitiveHeaders();
    name1 = "";
    name2 = "\0";
    mm.add(name1, "value1");
    mm.add(name2, "value2");
    assertEquals(2, mm.size());
    assertEquals("value1", mm.get(name1));
    assertEquals("value2", mm.get(name2));


    mm = new CaseInsensitiveHeaders();
    name1 = "AZa";
    name2 = "\u0080YA";
    mm.add(name1, "value1");
    mm.add(name2, "value2");
    assertEquals(2, mm.size());
    assertEquals("value1", mm.get(name1));
    assertEquals("value2", mm.get(name2));


    mm = new CaseInsensitiveHeaders();
    name1 = " !";
    name2 = "? ";
    assertTrue("hash error", hash(name1) == hash(name2));
    mm.add(name1, "value1");
    mm.add(name2, "value2");
    assertEquals(2, mm.size());
    assertEquals("value1", mm.get(name1));
    assertEquals("value2", mm.get(name2));


    mm = new CaseInsensitiveHeaders();
    name1 = "\u0080a";
    name2 = "Ab";
    assertTrue("hash error", hash(name1) == hash(name2));
    mm.add(name1, "value1");
    mm.add(name2, "value2");
    assertEquals(2, mm.size());
    assertEquals("value1", mm.get(name1));
    assertEquals("value2", mm.get(name2));


    // same bucket, different hash
    mm = new CaseInsensitiveHeaders();
    name1 = "A";
    name2 = "R";
    assertTrue("hash error", index(hash(name1)) == index(hash(name2)));
    mm.add(name1, "value1");
    mm.add(name2, "value2");
    assertEquals(2, mm.size());
    assertEquals("value1", mm.get(name1));
    assertEquals("value2", mm.get(name2));
  }

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    assertEquals("value2", mm.get(name2));
  }


  @Test
  public void testGetAllHashColl() {
    MultiMap mm = new CaseInsensitiveHeaders();
    String name1 = "AZ";
    String name2 = "\u0080Y";
    assertTrue("hash error", hash(name1) == hash(name2));
    mm.add(name1, "value1");
    mm.add(name2, "value2");
    assertEquals(2, mm.size());
    assertEquals("[value1]", mm.getAll(name1).toString());
    assertEquals("[value2]", mm.getAll(name2).toString());


    mm = new CaseInsensitiveHeaders();
    name1 = "A";
    name2 = "R";
    assertTrue("hash error", index(hash(name1)) == index(hash(name2)));
    mm.add(name1, "value1");
    mm.add(name2, "value2");
    assertEquals(2, mm.size());
    assertEquals("[value1]", mm.getAll(name1).toString());
    assertEquals("[value2]", mm.getAll(name2).toString());
  }

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    assertEquals("[value2]", mm.getAll(name2).toString());
  }


  @Test
  public void testRemoveHashColl() {
    MultiMap mm = new CaseInsensitiveHeaders();
    String name1 = "AZ";
    String name2 = "\u0080Y";
    String name3 = "RZ";
    assertTrue("hash error", hash(name1) == hash(name2));
    mm.add(name1, "value1");
    mm.add(name2, "value2");
    mm.add(name3, "value3");
    mm.add(name1, "value4");
    mm.add(name2, "value5");
    mm.add(name3, "value6");
    assertEquals(3, mm.size());
    mm.remove(name1);
    mm.remove(name2);
    assertEquals(1, mm.size());


    mm = new CaseInsensitiveHeaders();
    name1 = "A";
    name2 = "R";
    assertTrue("hash error", index(hash(name1)) == index(hash(name2)));
    mm.add(name1, "value1");
    mm.add(name2, "value2");
    assertEquals(2, mm.size());
    mm.remove(name1);
    mm.remove(name2);
    assertTrue("not empty", mm.isEmpty());
  }

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  // we will calculate the representation of
  // MAX_VALUE+1 in base31, which wraps around to
  // MIN_VALUE in int representation
  @Test
  public void testHashMININT() {
    CaseInsensitiveHeaders mm = new CaseInsensitiveHeaders();
    String name1 = "";
    long value = Integer.MAX_VALUE;
    value++;
    int base = 31;
    long pow = 1;


    while (value > pow * base) {
      pow *= base;
    }


    while (pow != 0) {
      long mul = value / pow;
      name1 = ((char) mul) + name1;
      value -= pow * mul;
      pow /= base;
    }
    name1 = ((char) value) + name1;
    mm.add(name1, "value");
    assertEquals("value", mm.get(name1));
  }

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