Add NumberUtilsTest.testIsParsableFullWidthUnicodeJDK8326627()

The JDK ticket https://bugs.openjdk.org/browse/JDK-8326627

says:

From https://docs.oracle.com/javase%2F9%2Fdocs%2Fapi%2F%2F/java/lang/Float.html#valueOf-java.lang.String-,
https://docs.oracle.com/javase/specs/jls/se8/html/jls-3.html#jls-3.10.2,
and https://docs.oracle.com/javase/specs/jls/se8/html/jls-3.html#jls-Digits,
fullwidth Unicode digits are not applicable. Moved to JDK as an
enhancement.

Tested on Java 8, 11, 17, 21, and 25

Author: garydgregory

src/test/java/org/apache/commons/lang3/math/NumberUtilsTest.java

@@ -1027,6 +1027,22 @@ void testIsParsable() {
         assertTrue(NumberUtils.isParsable("-.236"));
     }
 
+    /**
+     * Tests https://issues.apache.org/jira/browse/LANG-1729
+     *
+     * See https://bugs.openjdk.org/browse/JDK-8326627
+     * 
+     * <blockquote>From https://docs.oracle.com/javase%2F9%2Fdocs%2Fapi%2F%2F/java/lang/Float.html#valueOf-java.lang.String-,
+     * https://docs.oracle.com/javase/specs/jls/se8/html/jls-3.html#jls-3.10.2, and https://docs.oracle.com/javase/specs/jls/se8/html/jls-3.html#jls-Digits,
+     * fullwidth Unicode digits are not applicable. Moved to JDK as an enhancement.</blockquote>
+     */
+    @Test
+    void testIsParsableFullWidthUnicodeJDK8326627() {
+        // 123 in fullwidth Unicode digits
+        assertThrows(NumberFormatException.class, () -> Double.parseDouble("\uFF10\uFF11\uFF12"));
+        assertThrows(NumberFormatException.class, () -> Float.parseFloat("１２３"));
+    }
+
     @Test
     void testLang1087() {
         // no sign cases