Home | History | Annotate | Download | only in src
      1 /*
      2  * Copyright (C) 2008 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 public class StaticField {
     18     public static boolean mBoolean1, mBoolean2;
     19     public static byte mByte1, mByte2;
     20     public static char mChar1, mChar2;
     21     public static short mShort1, mShort2;
     22     public static int mInt1, mInt2;
     23     public static float mFloat1, mFloat2;
     24     public static long mLong1, mLong2;
     25     public static double mDouble1, mDouble2;
     26     public static volatile long mVolatileLong1, mVolatileLong2;
     27 
     28     public static void run() {
     29         assignFields();
     30         checkFields();
     31     }
     32 
     33     public static void assignFields() {
     34         System.out.println("StaticField assign...");
     35         mBoolean1 = true;
     36         mBoolean2 = false;
     37         mByte1 = 127;
     38         mByte2 = -128;
     39         mChar1 = 32767;
     40         mChar2 = 65535;
     41         mShort1 = 32767;
     42         mShort2 = -32768;
     43         mInt1 = 65537;
     44         mInt2 = -65537;
     45         mFloat1 = 3.1415f;
     46         mFloat2 = -1.0f / 0.0f;                // -inf
     47         mLong1 = 1234605616436508552L;     // 0x1122334455667788
     48         mLong2 = -1234605616436508552L;
     49         mDouble1 = 3.1415926535;
     50         mDouble2 = 1.0 / 0.0;               // +inf
     51         mVolatileLong1 = mLong1 - 1;
     52         mVolatileLong2 = mLong2 + 1;
     53     }
     54 
     55     public static void checkFields() {
     56         System.out.println("StaticField check...");
     57         assert(mBoolean1);
     58         assert(!mBoolean2);
     59         assert(mByte1 == 127);
     60         assert(mByte2 == -128);
     61         assert(mChar1 == 32767);
     62         assert(mChar2 == 65535);
     63         assert(mShort1 == 32767);
     64         assert(mShort2 == -32768);
     65         assert(mInt1 == 65537);
     66         assert(mInt2 == -65537);
     67         assert(mFloat1 > 3.141f && mFloat2 < 3.142f);
     68         assert(mFloat2 < mFloat1);
     69         assert(mLong1 == 1234605616436508552L);
     70         assert(mLong2 == -1234605616436508552L);
     71         assert(mDouble1 > 3.141592653 && mDouble1 < 3.141592654);
     72         assert(mDouble2 > mDouble1);
     73         assert(mVolatileLong1 == 1234605616436508551L);
     74         assert(mVolatileLong2 == -1234605616436508551L);
     75     }
     76 }
     77