Minor change to align with higher max string value length limit

Author: cowtowncoder

src/test/java/com/fasterxml/jackson/databind/deser/dos/StreamReadStringConstraintsTest.java

@@ -32,6 +32,8 @@ void setString(String string) {
     /**********************************************************************
      */
 
+    private final static int TOO_LONG_STRING_VALUE = 20_100_000;
+    
     private final ObjectMapper MAPPER = newJsonMapper();
 
     private ObjectMapper newJsonMapperWithUnlimitedStringSizeSupport() {
@@ -44,31 +46,32 @@ private ObjectMapper newJsonMapperWithUnlimitedStringSizeSupport() {
     public void testBigString() throws Exception
     {
         try {
-            MAPPER.readValue(generateJson("string", 5001000), StringWrapper.class);
-            fail("expected JsonMappingException");
+            MAPPER.readValue(generateJson("string", TOO_LONG_STRING_VALUE), StringWrapper.class);
+            fail("expected DatabindException");
         } catch (DatabindException e) {
-            assertTrue("unexpected exception message: " + e.getMessage(),
-                    e.getMessage().startsWith("String length (5001000) exceeds the maximum length (5000000)"));
+            final String message = e.getMessage();
+            assertTrue("unexpected exception message: " + message, message.startsWith("String length"));
+            assertTrue("unexpected exception message: " + message, message.contains("exceeds the maximum length ("));
         }
     }
 
     public void testBiggerString() throws Exception
     {
         try {
-            MAPPER.readValue(generateJson("string", 6_000_000), StringWrapper.class);
+            MAPPER.readValue(generateJson("string", TOO_LONG_STRING_VALUE), StringWrapper.class);
             fail("expected JsonMappingException");
         } catch (DatabindException e) {
             final String message = e.getMessage();
             // this test fails when the TextBuffer is being resized, so we don't yet know just how big the string is
             // so best not to assert that the String length value in the message is the full 6000000 value
             assertTrue("unexpected exception message: " + message, message.startsWith("String length"));
-            assertTrue("unexpected exception message: " + message, message.contains("exceeds the maximum length (5000000)"));
+            assertTrue("unexpected exception message: " + message, message.contains("exceeds the maximum length ("));
         }
     }
 
     public void testUnlimitedString() throws Exception
     {
-        final int len = 5_001_000;
+        final int len = TOO_LONG_STRING_VALUE;
         StringWrapper sw = newJsonMapperWithUnlimitedStringSizeSupport()
                 .readValue(generateJson("string", len), StringWrapper.class);
         assertEquals(len, sw.string.length());