Issue checkstyle#13345: Enable examples tests for NoArrayTrailingComm…

…aCheck

src/xdocs-examples/java/com/puppycrawl/tools/checkstyle/checks/coding/NoArrayTrailingCommaCheckExamplesTest.java

@@ -19,12 +19,10 @@
 
 package com.puppycrawl.tools.checkstyle.checks.coding;
 
-import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
 import com.puppycrawl.tools.checkstyle.AbstractExamplesModuleTestSupport;
 
-@Disabled("until https://github.com/checkstyle/checkstyle/issues/13345")
 public class NoArrayTrailingCommaCheckExamplesTest extends AbstractExamplesModuleTestSupport {
     @Override
     protected String getPackageLocation() {
@@ -34,9 +32,10 @@ protected String getPackageLocation() {
     @Test
     public void testExample1() throws Exception {
         final String[] expected = {
-
+            "15:12: " + getCheckMessage(NoArrayTrailingCommaCheck.MSG_KEY),
+            "18:35: " + getCheckMessage(NoArrayTrailingCommaCheck.MSG_KEY),
         };
 
-        verifyWithInlineConfigParser(getPath("Example1.txt"), expected);
+        verifyWithInlineConfigParser(getPath("Example1.java"), expected);
     }
 }

src/xdocs-examples/resources/com/puppycrawl/tools/checkstyle/checks/coding/noarraytrailingcomma/Example1.java

@@ -0,0 +1,26 @@
+/*xml
+<module name="Checker">
+  <module name="TreeWalker">
+    <module name="NoArrayTrailingComma"/>
+  </module>
+</module>
+*/
+package com.puppycrawl.tools.checkstyle.checks.coding.noarraytrailingcomma;
+
+// xdoc section -- start
+class Example1 {
+  void InvalidExample() {
+    String[] foo1 = {
+      "FOO",
+      "BAR", // violation, 'Array should not contain trailing comma'
+    };
+    // violation below, 'Array should not contain trailing comma'
+    String[] foo2 = { "FOO", "BAR", };
+    String[] foo3 = {
+      "FOO",
+      "BAR"
+    };
+    String[] foo4 = { "FOO", "BAR" };
+  }
+}
+// xdoc section -- end

src/xdocs/checks/coding/noarraytrailingcomma.xml

@@ -46,16 +46,21 @@ String[] foo = new String[] {
           Which results in the following violations:
         </p>
         <source>
-String[] foo1 = {
-  &quot;FOO&quot;, // OK
-  &quot;BAR&quot;, // violation
-};
-String[] foo2 = { &quot;FOO&quot;, &quot;BAR&quot;, }; // violation
-String[] foo3 = {
-  &quot;FOO&quot;, // OK
-  &quot;BAR&quot; // OK
-};
-String[] foo4 = { &quot;FOO&quot;, &quot;BAR&quot; }; // OK
+class Example1 {
+  void InvalidExample() {
+    String[] foo1 = {
+      &quot;FOO&quot;,
+      &quot;BAR&quot;, // violation, 'Array should not contain trailing comma'
+    };
+    // violation below, 'Array should not contain trailing comma'
+    String[] foo2 = { &quot;FOO&quot;, &quot;BAR&quot;, };
+    String[] foo3 = {
+      &quot;FOO&quot;,
+      &quot;BAR&quot;
+    };
+    String[] foo4 = { &quot;FOO&quot;, &quot;BAR&quot; };
+  }
+}
         </source>
       </subsection>
       <subsection name="Example of Usage" id="Example_of_Usage">

src/xdocs/checks/coding/noarraytrailingcomma.xml.template

@@ -37,15 +37,15 @@ String[] foo = new String[] {
         </p>
         <macro name="example">
           <param name="path"
-                 value="resources/com/puppycrawl/tools/checkstyle/checks/coding/noarraytrailingcomma/Example1.txt"/>
+                 value="resources/com/puppycrawl/tools/checkstyle/checks/coding/noarraytrailingcomma/Example1.java"/>
           <param name="type" value="config"/>
         </macro>
         <p id="Example1-code">
           Which results in the following violations:
         </p>
         <macro name="example">
           <param name="path"
-                 value="resources/com/puppycrawl/tools/checkstyle/checks/coding/noarraytrailingcomma/Example1.txt"/>
+                 value="resources/com/puppycrawl/tools/checkstyle/checks/coding/noarraytrailingcomma/Example1.java"/>
           <param name="type" value="code"/>
         </macro>
       </subsection>