test/jdk/java/util/regex/RegExTest.java

@@ -33,11 +33,11 @@
  * 6350801 6676425 6878475 6919132 6931676 6948903 6990617 7014645 7039066
  * 7067045 7014640 7189363 8007395 8013252 8013254 8012646 8023647 6559590
  * 8027645 8035076 8039124 8035975 8074678 6854417 8143854 8147531 7071819
  * 8151481 4867170 7080302 6728861 6995635 6736245 4916384 6328855 6192895
  * 6345469 6988218 6693451 7006761 8140212 8143282 8158482 8176029 8184706
- * 8194667 8197462
+ * 8194667 8197462 8184692
  *
  * @library /test/lib
  * @build jdk.test.lib.RandomFactory
  * @run main RegExTest
  * @key randomness

@@ -162,10 +162,11 @@
         linebreakTest();
         branchTest();
         groupCurlyNotFoundSuppTest();
         groupCurlyBackoffTest();
         patternAsPredicate();
+        patternAsMatchPredicate();
         invalidFlags();
         embeddedFlags();
         grapheme();
         expoBacktracking();
         invalidGroupName();

@@ -4684,10 +4685,30 @@
             failCount++;
         }
         report("Pattern.asPredicate");
     }
 
+    // This test is for 8184692
+    private static void patternAsMatchPredicate() throws Exception {
+        Predicate<String> p = Pattern.compile("[a-z]+").asMatchPredicate();
+
+        if (p.test("")) {
+            failCount++;
+        }
+        if (!p.test("word")) {
+            failCount++;
+        }
+        if (p.test("1234word")) {
+            failCount++;
+        }
+        if (p.test("1234")) {
+            failCount++;
+        }
+        report("Pattern.asMatchPredicate");
+    }
+
+
     // This test is for 8035975
     private static void invalidFlags() throws Exception {
         for (int flag = 1; flag != 0; flag <<= 1) {
             switch (flag) {
             case Pattern.CASE_INSENSITIVE: