Examples with ConcurrentMap java.util.concurrent.ConcurrentMap used on opensource projects

Example 91 with ConcurrentMap

use of java.util.concurrent.ConcurrentMap in project caffeine by ben-manes.

the class ConcurrentHashMapTest method testGet_NullPointerException.

// Exception tests
/**
     * get(null) throws NPE
     */
public void testGet_NullPointerException() {
    ConcurrentMap c = map();
    try {
        c.get(null);
        shouldThrow();
    } catch (NullPointerException success) {
    }
}

Example 92 with ConcurrentMap

use of java.util.concurrent.ConcurrentMap in project caffeine by ben-manes.

the class ConcurrentHashMapTest method testToString.

/**
     * toString contains toString of elements
     */
public void testToString() {
    ConcurrentMap map = map5();
    String s = map.toString();
    for (int i = 1; i <= 5; ++i) {
        assertTrue(s.contains(String.valueOf(i)));
    }
}

Example 93 with ConcurrentMap

use of java.util.concurrent.ConcurrentMap in project caffeine by ben-manes.

the class ConcurrentHashMapTest method testClear.

/**
     * clear removes all pairs
     */
public void testClear() {
    ConcurrentMap map = map5();
    map.clear();
    assertEquals(0, map.size());
}

Example 94 with ConcurrentMap

use of java.util.concurrent.ConcurrentMap in project caffeine by ben-manes.

the class ConcurrentHashMapTest method testPutIfAbsent.

/**
     * putIfAbsent works when the given key is not present
     */
public void testPutIfAbsent() {
    ConcurrentMap map = map5();
    map.putIfAbsent(six, "Z");
    assertTrue(map.containsKey(six));
}

Example 95 with ConcurrentMap

use of java.util.concurrent.ConcurrentMap in project caffeine by ben-manes.

the class ConcurrentHashMapTest method testReplaceValue.

/**
     * replace value fails when the given key not mapped to expected value
     */
public void testReplaceValue() {
    ConcurrentMap map = map5();
    assertEquals("A", map.get(one));
    assertFalse(map.replace(one, "Z", "Z"));
    assertEquals("A", map.get(one));
}