1 files changed, 65 insertions, 0 deletions
diff --git a/src/test/java/com/beust/jcommander/PositiveIntegerTest.java b/src/test/java/com/beust/jcommander/PositiveIntegerTest.java
new file mode 100644
index 0000000..ec7d273
--- /dev/null
+++ b/src/test/java/com/beust/jcommander/PositiveIntegerTest.java
@@ -0,0 +1,65 @@
+package com.beust.jcommander;
+
+import com.beust.jcommander.validators.PositiveInteger;
+
+import org.testng.annotations.Test;
+
+public class PositiveIntegerTest {
+
+  @Test
+  public void validateTest() {
+    class Arg {
+      @Parameter(names = { "-p", "--port" }, description = "Shows help", validateWith = PositiveInteger.class)
+      private int port = 0;
+    }
+    Arg arg = new Arg();
+    JCommander jc = new JCommander(arg);
+    jc.parse(new String[] { "-p", "8080" });
+
+  }
+
+  @Test(expectedExceptions = ParameterException.class)
+  public void validateTest2() {
+    class Arg {
+      @Parameter(names = { "-p", "--port" }, description = "Shows help", validateWith = PositiveInteger.class)
+      private int port = 0;
+    }
+    Arg arg = new Arg();
+    JCommander jc = new JCommander(arg);
+    jc.parse(new String[] { "-p", "" });
+  }
+
+  @Test(expectedExceptions = ParameterException.class)
+  public void validateTest3() {
+    class Arg {
+      @Parameter(names = { "-p", "--port" }, description = "Shows help", validateWith = PositiveInteger.class)
+      private int port = 0;
+    }
+    Arg arg = new Arg();
+    JCommander jc = new JCommander(arg);
+    jc.parse(new String[] { "-p", "-1" });
+  }
+
+  @Test(expectedExceptions = ParameterException.class)
+  public void validateTest4() {
+    class Arg {
+      @Parameter(names = { "-p", "--port" }, description = "Port Number", validateWith = PositiveInteger.class)
+      private int port = 0;
+    }
+    Arg arg = new Arg();
+    JCommander jc = new JCommander(arg);
+    jc.parse(new String[] { "-p", "abc" });
+  }
+
+  @Test(expectedExceptions = ParameterException.class)
+  public void validateTest5() {
+    class Arg {
+      @Parameter(names = { "-p", "--port" }, description = "Port Number", validateWith = PositiveInteger.class)
+      private int port = 0;
+    }
+
+    Arg arg = new Arg();
+    JCommander jc = new JCommander(arg);
+    jc.parse(new String[] { "--port", " " });
+  }
+}
+\ No newline at end of file