From 67c9b1e86f5fff5fe03f04e44135a8018bd813d6 Mon Sep 17 00:00:00 2001
From: Holger <holger+github@willige-entwickler.de>
Date: Wed, 29 Nov 2017 22:37:54 +0000
Subject: [PATCH] BAEL-1376: Varargs Code Example (#3129)

* BAEL-1376: Varargs Code Example

* BAEL-1376: Varargs Code Example

Moving the "logic" into a test and removing the unnecessary
class.
---
 .../com/baeldung/varargs/FormatterTest.java   | 60 +++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 core-java/src/test/java/com/baeldung/varargs/FormatterTest.java

diff --git a/core-java/src/test/java/com/baeldung/varargs/FormatterTest.java b/core-java/src/test/java/com/baeldung/varargs/FormatterTest.java
new file mode 100644
index 0000000000..509c8764d2
--- /dev/null
+++ b/core-java/src/test/java/com/baeldung/varargs/FormatterTest.java
@@ -0,0 +1,60 @@
+package com.baeldung.varargs;
+
+import org.junit.Test;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.MatcherAssert.assertThat;
+
+public class FormatterTest {
+
+    private final static String FORMAT = "%s %s %s";
+
+    @Test
+    public void givenNoArgument_thenEmptyAndTwoSpacesAreReturned() {
+        String actualResult = format();
+
+        assertThat(actualResult, is("empty  "));
+    }
+
+    @Test
+    public void givenOneArgument_thenResultHasTwoTrailingSpace() {
+        String actualResult = format("baeldung");
+
+        assertThat(actualResult, is("baeldung  "));
+    }
+
+    @Test
+    public void givenTwoArguments_thenOneTrailingSpaceExists() {
+        String actualResult = format("baeldung", "rocks");
+
+        assertThat(actualResult, is("baeldung rocks "));
+    }
+
+    @Test
+    public void givenMoreThanThreeArguments_thenTheFirstThreeAreUsed() {
+        String actualResult = formatWithVarArgs("baeldung", "rocks", "java", "and", "spring");
+
+        assertThat(actualResult, is("baeldung rocks java"));
+    }
+
+    public String format() {
+        return format("empty", "");
+    }
+
+    public String format(String value) {
+        return format(value, "");
+    }
+
+    public String format(String val1, String val2) {
+        return String.format(FORMAT, val1, val2, "");
+    }
+
+    public String formatWithVarArgs(String... values) {
+        if (values.length == 0) {
+            return "no arguments given";
+        }
+
+        return String.format(FORMAT, values);
+    }
+
+}
\ No newline at end of file