# HG changeset patch
# User Jaroslav Tulach <jaroslav.tulach@apidesign.org>
# Date 1362947330 -3600
# Node ID 24096bd2b38a59022746097b21d194b663a4bd5e
# Parent  b0b23e5ebf9d26ab6ca1a7108a32ed4e055e8622
Expand the array rather than copying it

diff -r b0b23e5ebf9d -r 24096bd2b38a rt/emul/mini/src/main/java/java/lang/AbstractStringBuilder.java
--- a/rt/emul/mini/src/main/java/java/lang/AbstractStringBuilder.java	Sun Mar 10 21:28:00 2013 +0100
+++ b/rt/emul/mini/src/main/java/java/lang/AbstractStringBuilder.java	Sun Mar 10 21:28:50 2013 +0100
@@ -126,7 +126,7 @@
                 throw new OutOfMemoryError();
             newCapacity = Integer.MAX_VALUE;
         }
-        value = copyOf(value, newCapacity);
+        value = System.expandArray(value, newCapacity);
     }
 
     /**
diff -r b0b23e5ebf9d -r 24096bd2b38a rt/emul/mini/src/main/java/org/apidesign/bck2brwsr/emul/lang/System.java
--- a/rt/emul/mini/src/main/java/org/apidesign/bck2brwsr/emul/lang/System.java	Sun Mar 10 21:28:00 2013 +0100
+++ b/rt/emul/mini/src/main/java/org/apidesign/bck2brwsr/emul/lang/System.java	Sun Mar 10 21:28:50 2013 +0100
@@ -54,6 +54,11 @@
     )
     public static native byte[] expandArray(byte[] arr, int expectedSize);
 
+    @JavaScriptBody(args = { "arr", "expectedSize" }, body = 
+        "while (expectedSize-- > arr.length) { arr.push(0); }; return arr;"
+    )
+    public static native char[] expandArray(char[] arr, int expectedSize);
+
     @JavaScriptBody(args = {}, body = "return new Date().getTime();")
     private static native double currentTimeMillisDouble();