测试类的添加

chenweijie · chenweijie · commit 4e558f728499 · 2017-11-29T18:07:19.000+08:00
diff --git a/src/main/java/com/chen/api/util/regex/RegexTest1.java b/src/main/java/com/chen/api/util/regex/RegexTest1.java
@@ -2,6 +2,7 @@
 
 import org.junit.Test;
 
+import java.util.Arrays;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -12,14 +13,14 @@ public class RegexTest1 {
 
 
     @Test
-    public void testMatches(){
+    public void testMatches() {
         String regex = "[1-9][0-1]*[.]?[0-9]*";
-        String str1 ="12r34a5";
-        if (regex.matches(str1)){
-            System.out.println("matches:"+str1);
-        }else {
-            str1=  str1.replaceAll("\\D+","");
-            System.out.println(" not matches:"+str1);
+        String str1 = "12r34a5";
+        if (regex.matches(str1)) {
+            System.out.println("matches:" + str1);
+        } else {
+            str1 = str1.replaceAll("\\D+", "");
+            System.out.println(" not matches:" + str1);
         }
     }
 
@@ -46,8 +47,13 @@ public void testFindAndMatch() {
         System.out.println(m.matches());
     }
 
-
-
+    @Test
+    public void testNumber() {
+//        String patterStr = "^([0-9]\\d*\\.\\d*)|(0\\.\\d*[0-9]\\d*)|([0-9]\\d*)$";
+        String patterStr = "^[-]?[0.0-9.0]+$";
+        String[] strings = {"3", "4", "5", "1.0", "0.2", "44", "-2", "1.111", "100.5", "0", "0.0", "-0.2", "d", "4200.22222"};
+        Arrays.asList(strings).forEach(str -> System.out.println(str + ",matches:" + str.matches(patterStr)));
+    }
 
 
 }
diff --git a/src/main/java/com/chen/api/util/thread/semaphor/SemaphoreTest.java b/src/main/java/com/chen/api/util/thread/semaphor/SemaphoreTest.java
@@ -0,0 +1,53 @@
+package com.chen.api.util.thread.semaphor;
+
+import java.util.Date;
+import java.util.Random;
+import java.util.concurrent.Semaphore;
+
+/**
+ * 信号量-根据阀值做一些访问控制
+ *
+ * @author Chen WeiJie
+ * @date 2017-11-22 17:00
+ **/
+public class SemaphoreTest {
+
+
+    private final static Semaphore MAX_SEMA_PHORE = new Semaphore(10);
+
+
+    public static void main(String[] args) {
+
+
+        for (int i = 0; i < 100; i++) {
+
+            final int num = i;
+
+            final Random random = new Random();
+
+            new Thread(() -> {
+                boolean acquired = false;
+                try {
+                    MAX_SEMA_PHORE.acquire();
+                    acquired = true;
+                    System.out.println("我是线程：" + num + " 我获得了使用权！" + new Date());
+                    long time = 1000 * Math.max(1, Math.abs(random.nextInt() % 10));
+                    Thread.sleep(time);
+                    System.out.println("我是线程：" + num + " 我执行完了！" + new Date());
+                } catch (Exception e) {
+                    e.printStackTrace();
+                } finally {
+                    if (acquired) {
+                        MAX_SEMA_PHORE.release();
+                    }
+                }
+            }).start();
+        }
+    }
+
+
+
+
+
+
+}
diff --git a/src/main/test/com/chen/test/Test.java b/src/main/test/com/chen/test/Test.java
diff --git a/src/main/test/com/chen/test/TestCase.java b/src/main/test/com/chen/test/TestCase.java
@@ -0,0 +1,32 @@
+package com.chen.test;
+
+import org.junit.Test;
+
+/**
+ * User: chenweijie
+ * Date: 10/23/17
+ * Time: 8:25 PM
+ * Description:
+ */
+public class TestCase {
+
+
+    @Test
+    public void test() {
+        int COUNT_BITS = Integer.SIZE - 3;
+        int CAPACITY = (1 << COUNT_BITS) - 1;
+
+        final int RUNNING = -1 << COUNT_BITS;
+        final int SHUTDOWN = 0 << COUNT_BITS;
+        final int STOP = 1 << COUNT_BITS;
+        final int TIDYING = 2 << COUNT_BITS;
+        final int TERMINATED = 3 << COUNT_BITS;
+
+
+    }
+
+
+
+
+
+}
