Showing the changes to java/tests/ThreadTest.java (1 of 11 files). Show all
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| 1 | |||
| 2 | import static utils.Utils.*; | ||
| 3 | |||
| 4 | public class ThreadTest { | ||
| 5 | |||
| 6 | private static class Integer { | ||
| 7 | private int data; | ||
| 8 | |||
| 9 | Integer(int data) { | ||
| 10 | this.data = data; | ||
| 11 | } | ||
| 12 | |||
| 13 | int getData() { | ||
| 14 | return data; | ||
| 15 | } | ||
| 16 | |||
| 17 | void setData(int data) { | ||
| 18 | this.data = data; | ||
| 19 | } | ||
| 20 | |||
| 21 | } | ||
| 22 | |||
| 23 | public static void main(String[] args) throws InterruptedException { | ||
| 24 | final Integer var = new Integer(0); | ||
| 25 | Thread testThread = new Thread(new Runnable() { | ||
| 26 | @Override | ||
| 27 | public void run() { | ||
| 28 | var.setData(42); | ||
| 29 | } | ||
| 30 | }); | ||
| 31 | testThread.start(); | ||
| 32 | testThread.join(); | ||
| 33 | assertEquals(42, var.getData()); | ||
| 34 | |||
| 35 | Thread testThread1 = new Thread(new Runnable() { | ||
| 36 | @Override | ||
| 37 | public void run() { | ||
| 38 | for (int i = 0; i < 2000; i++) { | ||
| 39 | synchronized (var) { | ||
| 40 | var.setData(var.getData() + 1); | ||
| 41 | } | ||
| 42 | } | ||
| 43 | } | ||
| 44 | }); | ||
| 45 | Thread testThread2 = new Thread(new Runnable() { | ||
| 46 | @Override | ||
| 47 | public void run() { | ||
| 48 | for (int i = 0; i < 1000; i++) { | ||
| 49 | synchronized (var) { | ||
| 50 | var.setData(var.getData() - 1); | ||
| 51 | } | ||
| 52 | } | ||
| 53 | } | ||
| 54 | }); | ||
| 55 | testThread1.start(); | ||
| 56 | testThread2.start(); | ||
| 57 | testThread1.join(); | ||
| 58 | testThread2.join(); | ||
| 59 | assertEquals(1042, var.getData()); | ||
| 60 | } | ||
| 61 | } | ||