Issue checkstyle#4381: Added new UTs for javadoc grammar

src/test/java/com/puppycrawl/tools/checkstyle/grammars/javadoc/JavadocParseTreeTest.java

@@ -196,4 +196,52 @@ public void testInlineCustomJavadocTag() throws Exception {
         verifyJavadocTree(getDocPath("expectedInlineCustomJavadocTagAst.txt"),
                 getDocPath("InputInlineCustomJavadocTag.txt"));
     }
+
+    @Test
+    public void testAttributeValueWithoutQuotes() throws Exception {
+        verifyJavadocTree(getHtmlPath("expectedAttributeValueWithoutQuotesAst.txt"),
+                getHtmlPath("InputAttributeValueWithoutQuotes.txt"));
+    }
+
+    @Test
+    public void testClosedOtherTag() throws Exception {
+        verifyJavadocTree(getHtmlPath("expectedClosedOtherTagAst.txt"),
+                getHtmlPath("InputClosedOtherTag.txt"));
+    }
+
+    @Test
+    public void testAllStandardJavadocTags() throws Exception {
+        verifyJavadocTree(getDocPath("expectedAllStandardJavadocTagsAst.txt"),
+                getDocPath("InputAllStandardJavadocTags.txt"));
+    }
+
+    @Test
+    public void testAsteriskInJavadocInlineTag() throws Exception {
+        verifyJavadocTree(getDocPath("expectedAsteriskInJavadocInlineTagAst.txt"),
+                getDocPath("InputAsteriskInJavadocInlineTag.txt"));
+    }
+
+    @Test
+    public void testAsteriskInLiteral() throws Exception {
+        verifyJavadocTree(getDocPath("expectedAsteriskInLiteralAst.txt"),
+                getDocPath("InputAsteriskInLiteral.txt"));
+    }
+
+    @Test
+    public void testInnerBracesInCodeTag() throws Exception {
+        verifyJavadocTree(getDocPath("expectedInnerBracesInCodeTagAst.txt"),
+                getDocPath("InputInnerBracesInCodeTag.txt"));
+    }
+
+    @Test
+    public void testNewlineAndAsteriskInParameters() throws Exception {
+        verifyJavadocTree(getDocPath("expectedNewlineAndAsteriskInParametersAst.txt"),
+                getDocPath("InputNewlineAndAsteriskInParameters.txt"));
+    }
+
+    @Test
+    public void testTwoLinkTagsInRow() throws Exception {
+        verifyJavadocTree(getDocPath("expectedTwoLinkTagsInRowAst.txt"),
+                getDocPath("InputTwoLinkTagsInRow.txt"));
+    }
 }

src/test/resources/com/puppycrawl/tools/checkstyle/grammars/javadoc/htmlTags/expectedAttributeValueWithoutQuotesAst.txt

@@ -0,0 +1,21 @@
+JAVADOC -> JAVADOC [0:0]
+|--HTML_ELEMENT -> HTML_ELEMENT [0:0]
+|   `--HTML_TAG -> HTML_TAG [0:0]
+|       |--HTML_ELEMENT_OPEN -> HTML_ELEMENT_OPEN [0:0]
+|       |   |--OPEN -> < [0:0]
+|       |   |--HTML_TAG_NAME -> a [0:1]
+|       |   |--WS ->   [0:2]
+|       |   |--ATTRIBUTE -> ATTRIBUTE [0:3]
+|       |   |   |--HTML_TAG_NAME -> href [0:3]
+|       |   |   |--EQUALS -> = [0:7]
+|       |   |   `--ATTR_VALUE -> http://www.ietf.org/rfc/rfc3758.txt [0:8]
+|       |   `--CLOSE -> > [0:44]
+|       |--TEXT -> RFC 3758 [0:45]
+|       `--HTML_ELEMENT_CLOSE -> HTML_ELEMENT_CLOSE [0:53]
+|           |--OPEN -> < [0:53]
+|           |--SLASH -> / [0:54]
+|           |--HTML_TAG_NAME -> a [0:55]
+|           `--CLOSE -> > [0:56]
+|--TEXT -> . [0:57]
+|--NEWLINE -> \r\n [0:58]
+`--EOF -> <EOF> [1:0]

src/test/resources/com/puppycrawl/tools/checkstyle/grammars/javadoc/htmlTags/expectedClosedOtherTagAst.txt

@@ -0,0 +1,15 @@
+JAVADOC -> JAVADOC [0:0]
+|--TEXT ->   [0:0]
+|--HTML_ELEMENT -> HTML_ELEMENT [0:1]
+|   `--DD_TAG_OPEN -> DD_TAG_OPEN [0:1]
+|       |--OPEN -> < [0:1]
+|       |--DD_HTML_TAG_NAME -> dd [0:2]
+|       `--CLOSE -> > [0:4]
+|--HTML_ELEMENT -> HTML_ELEMENT [0:5]
+|   `--DT_TAG_CLOSE -> DT_TAG_CLOSE [0:5]
+|       |--OPEN -> < [0:5]
+|       |--SLASH -> / [0:6]
+|       |--DT_HTML_TAG_NAME -> dt [0:7]
+|       `--CLOSE -> > [0:9]
+|--NEWLINE -> \r\n [0:10]
+`--EOF -> <EOF> [1:0]