Merge pull request #58 from naokism/bugfix_StringUtil

StringUtilのfromCamelCaseToSnakeCaseで、カラム名に数字が含まれている場合意図している結果にならない

Author: nakamura-to

src/main/java/org/seasar/doma/internal/util/StringUtil.java

@@ -104,7 +104,7 @@ public static String fromCamelCaseToSnakeCase(String text) {
             buf.mark();
             if (buf.hasRemaining()) {
                 char c2 = buf.get();
-                if (Character.isLowerCase(c) && Character.isUpperCase(c2)) {
+                if ((Character.isLowerCase(c) || Character.isDigit(c)) && Character.isUpperCase(c2)) {
                     result.append("_");
                 }
                 buf.reset();

src/test/java/org/seasar/doma/internal/util/StringUtilTest.java

@@ -19,7 +19,7 @@
 
 /**
  * @author taedium
- * 
+ *
  */
 public class StringUtilTest extends TestCase {
 
@@ -44,6 +44,7 @@ public void testFromCamelCaseToSnakeCase() throws Exception {
         assertEquals("aaa_bbb_ccc",
                 StringUtil.fromCamelCaseToSnakeCase("aaaBbbCcc"));
         assertEquals("abc", StringUtil.fromCamelCaseToSnakeCase("abc"));
+        assertEquals("aa1_bbb_ccc", StringUtil.fromCamelCaseToSnakeCase("aa1BbbCcc"));
     }
 
     public void testIsWhitespace() throws Exception {