Issue checkstyle#11446: Update AllSinglelineCommentsTest to use Abstr…

…actModuleTestSupport#execute

pom.xml

@@ -1548,8 +1548,6 @@
 
                 <exclude>**/SuppressionSingleFilterTest.class</exclude>
 
-                <exclude>**/AllSinglelineCommentsTest.class</exclude>
-
                 <exclude>**/FileSetCheckTest.class</exclude>
 
                 <exclude>**/AbstractFileSetCheckTest.class</exclude>

src/test/java/com/puppycrawl/tools/checkstyle/AbstractModuleTestSupport.java

@@ -288,6 +288,22 @@ protected final void verify(Configuration aConfig, String fileName, String... ex
         verify(createChecker(aConfig), fileName, fileName, expected);
     }
 
+    /**
+     * Executes given config on a list of files only. Does not verify violations.
+     *
+     * @param config check configuration
+     * @param filenames names of files to process
+     * @throws Exception if there is a problem during checker configuration
+     */
+    protected final void execute(Configuration config, String... filenames) throws Exception {
+        final Checker checker = createChecker(config);
+        final List<File> files = Arrays.stream(filenames)
+                .map(File::new)
+                .collect(Collectors.toList());
+        checker.process(files);
+        checker.destroy();
+    }
+
     /**
      * Performs verification of the file with the given file name.
      * Uses provided {@link Checker} instance.

src/test/java/com/puppycrawl/tools/checkstyle/grammar/comments/AllSinglelineCommentsTest.java

@@ -53,7 +53,7 @@ public void testAllSinglelineComments() throws Exception {
         final String path = getPath("InputFullOfSinglelineComments.java");
         lineSeparator = CheckUtil.getLineSeparatorForFile(path, StandardCharsets.UTF_8);
         final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
-        verify(checkConfig, path, expected);
+        execute(checkConfig, path);
         assertWithMessage("All comments should be empty")
             .that(ALL_COMMENTS)
             .isEmpty();