1 files changed, 50 insertions, 0 deletions
diff --git a/src/test/java/com/beust/jcommander/SimpleExample.java b/src/test/java/com/beust/jcommander/SimpleExample.java
new file mode 100644
index 0000000..b8000ca
--- /dev/null
+++ b/src/test/java/com/beust/jcommander/SimpleExample.java
@@ -0,0 +1,50 @@
+package com.beust.jcommander;
+
+import org.testng.annotations.BeforeMethod;
+import org.testng.annotations.Test;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+
+import static org.testng.Assert.assertEquals;
+
+class Main {
+    static PrintWriter out;
+    @Parameter(names={"--length", "-l"})
+    int length;
+    @Parameter(names={"--pattern", "-p"})
+    int pattern;
+
+    public static void main(String ... args) {
+        Main main = new Main();
+        new JCommander(main, args);
+        main.run();
+    }
+
+    public void run() {
+        out.printf("%d %d", length, pattern);
+    }
+}
+
+public class SimpleExample {
+    StringWriter out;
+
+    @BeforeMethod
+    public void setupMain(){
+        out=new StringWriter();
+        Main.out=new PrintWriter(out);
+    }
+
+    @Test
+    public void testLongArgs() {
+        Main.main("--length", "512", "--pattern", "2");
+        assertEquals("512 2", out.toString());
+    }
+
+    @Test
+    public void testShortArgs() {
+        Main.main("-l", "256", "-p", "171");
+        assertEquals("256 171", out.toString());
+    }
+
+}