re PR libgcj/12350 (StringBuffer.substring handles shared flag incorrected.)

2003-09-21 Ralph Loader <suckfish@ihug.co.nz> PR java/12350: * java/lang/StringBuffer.java (substring): Fix handling of shared flag. 2003-09-21 Ralph Loader <suckfish@ihug.co.nz> PR java/12350 * libjava.lang/PR12350.java: New file. * libjava.lang/PR12350.out: New file. From-SVN: r71651
2003-09-22 08:17:49 +00:00
parent b5bb72ec41
commit 88962108fc
5 changed files with 35 additions and 2 deletions
@@ -0,0 +1,20 @@
+public class PR12350
+{
+    static public void main (String[] ignored) throws Throwable
+    {
+	StringBuffer b = new StringBuffer ("Good string.  More than 16 chars.");
+
+	// Should cause sharing.
+	String s = b.toString();
+
+	// Take a char by char unshared copy of s.
+	String t = new String (s.toCharArray());
+
+	b.substring (0, 4);	// BUG: Clears shared flag.
+	b.replace (0, 4, "Bad "); // Modifies shared data.
+
+	System.out.println (s);
+	assert s.equals (t);
+    }
+
+}