java/lang/HashCode.java

27  * @summary Test the primitive wrappers hashCode()
55             check(    new Long(x).hashCode() == (int)((long)x ^ (long)x>>>32));
56             check(Long.valueOf(x).hashCode() == (int)((long)x ^ (long)x>>>32));
57             check(  (new Long(x)).hashCode() == Long.hashCode(x));
58             check(    new Integer((int)x).hashCode() == (int) x);
59             check(Integer.valueOf((int)x).hashCode() == (int) x);
60             check(  (new Integer((int)x)).hashCode() == Integer.hashCode((int)x));
61             check(    new Short((short)x).hashCode() == (short) x);
62             check(Short.valueOf((short)x).hashCode() == (short) x);
63             check(         (new Short((short)x)).hashCode() == Short.hashCode((short)x));
64             check(    new Character((char) x).hashCode() == (char) x);
65             check(Character.valueOf((char) x).hashCode() == (char) x);
66             check(         (new Character((char)x)).hashCode() == Character.hashCode((char)x));
67             check(    new Byte((byte) x).hashCode() == (byte) x);
68             check(Byte.valueOf((byte) x).hashCode() == (byte) x);
69             check(         (new Byte((byte)x)).hashCode() == Byte.hashCode((byte)x));
74         check( Boolean.FALSE.hashCode() == 1237);
75         check( Boolean.TRUE.hashCode() == 1231);
76         check( Boolean.valueOf(false).hashCode() == 1237);
77         check( Boolean.valueOf(true).hashCode() == 1231);
78         check( (new Boolean(false)).hashCode() == 1237);
79         check( (new Boolean(true)).hashCode() == 1231);
80         check( Boolean.hashCode(false) == 1237);
81         check( Boolean.hashCode(true) == 1231);
95             check( Float.hashCode(f) == Float.floatToIntBits(f));
96             check( Float.valueOf(f).hashCode() == Float.floatToIntBits(f));
97             check( (new Float(f)).hashCode() == Float.floatToIntBits(f));
114             check( Double.hashCode(d) == bitsHash);
115             check( Double.valueOf(d).hashCode() == bitsHash);
116             check( (new Double(d)).hashCode() == bitsHash);