8241292: Interactive Search results are not highlighted as they used to be

Reviewed-by: prappo

src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/resources/search.js

@@ -29,7 +29,7 @@ var catPackages = "Packages";
 var catTypes = "Types";
 var catMembers = "Members";
 var catSearchTags = "SearchTags";
-var highlight = "<span class=\"resultHighlight\">$&</span>";
+var highlight = "<span class=\"result-highlight\">$&</span>";
 var searchPattern = "";
 var RANKING_THRESHOLD = 2;
 var NO_MATCH = 0xffff;
@@ -128,10 +128,10 @@ $.widget("custom.catcomplete", $.ui.autocomplete, {
             li = rMenu._renderItemData(ul, item);
             if (item.category) {
                 li.attr("aria-label", item.category + " : " + item.l);
-                li.attr("class", "resultItem");
+                li.attr("class", "result-item");
             } else {
                 li.attr("aria-label", item.l);
-                li.attr("class", "resultItem");
+                li.attr("class", "result-item");
             }
         });
     },
@@ -159,10 +159,10 @@ $.widget("custom.catcomplete", $.ui.autocomplete, {
         var div = $("<div/>").appendTo(li);
         if (item.category === catSearchTags) {
             if (item.d) {
-                div.html(label + "<span class=\"searchTagHolderResult\"> (" + item.h + ")</span><br><span class=\"searchTagDescResult\">"
+                div.html(label + "<span class=\"search-tag-holder-result\"> (" + item.h + ")</span><br><span class=\"search-tag-desc-result\">"
                                 + item.d + "</span><br>");
             } else {
-                div.html(label + "<span class=\"searchTagHolderResult\"> (" + item.h + ")</span>");
+                div.html(label + "<span class=\"search-tag-holder-result\"> (" + item.h + ")</span>");
             }
         } else {
             div.html(label);

test/langtools/jdk/javadoc/doclet/testSearch/TestSearch.java

@@ -25,7 +25,7 @@
  * @test
  * @bug 8141492 8071982 8141636 8147890 8166175 8168965 8176794 8175218 8147881
  *      8181622 8182263 8074407 8187521 8198522 8182765 8199278 8196201 8196202
- *      8184205 8214468 8222548 8223378 8234746
+ *      8184205 8214468 8222548 8223378 8234746 8241219
  * @summary Test the search feature of javadoc.
  * @library ../../lib
  * @modules jdk.javadoc/jdk.javadoc.internal.tool
@@ -34,6 +34,10 @@
  */
 
 import java.util.Locale;
+import java.util.Set;
+import java.util.TreeSet;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 import javadoc.tester.JavadocTester;
 
@@ -623,6 +627,32 @@ public class TestSearch extends JavadocTester {
                 + "    return urlPrefix;\n"
                 + "}",
                 "url += ui.item.l;");
+
+        checkCssClasses("search.js", "stylesheet.css");
+    }
+
+    void checkCssClasses(String jsFile, String cssFile) {
+        // Check that all CSS class names mentioned in the JavaScript file
+        // are also defined as class selectors somewhere in the stylesheet file.
+        String js = readOutputFile(jsFile);
+        Set<String> cssClasses = new TreeSet<>();
+        addMatches(js, Pattern.compile("class=\\\\*\"([^\\\\\"]+)\\\\*\""), cssClasses);
+        addMatches(js, Pattern.compile("attr\\(\"class\", \"([^\"]+)\"\\)"), cssClasses);
+        // verify that the regex did find use of CSS class names
+        checking("Checking CSS classes found");
+        if (cssClasses.isEmpty()) {
+            failed("no CSS classes found");
+        } else {
+            passed(cssClasses.size() + " found: " + cssClasses);
+        }
+        checkOutput(cssFile, true, cssClasses.toArray(new String[0]));
+    }
+
+    void addMatches(String js, Pattern p, Set<String> cssClasses) {
+        Matcher m = p.matcher(js);
+        while (m.find()) {
+            cssClasses.add("." + m.group(1));
+        }
     }
 
     void checkSingleIndexSearchTagDuplication() {