Update V8 to r3431 as required by WebKit r51976.
Change-Id: I567392c3f8c0a0d5201a4249611ac4ccf468cd5b
diff --git a/test/mjsunit/string-add.js b/test/mjsunit/string-add.js
index c42cf79..f226ca1 100644
--- a/test/mjsunit/string-add.js
+++ b/test/mjsunit/string-add.js
@@ -173,3 +173,23 @@
assertEquals("42strz", reswz, "swwz");
assertEquals(84, resww, "swww");
})(1);
+
+// Generate ascii and non ascii strings from length 0 to 20.
+var ascii = 'aaaaaaaaaaaaaaaaaaaa';
+var non_ascii = '\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234';
+assertEquals(20, ascii.length);
+assertEquals(20, non_ascii.length);
+var a = Array(21);
+var b = Array(21);
+for (var i = 0; i <= 20; i++) {
+ a[i] = ascii.substring(0, i);
+ b[i] = non_ascii.substring(0, i);
+}
+
+// Add ascii and non-ascii strings generating strings with length from 0 to 20.
+for (var i = 0; i <= 20; i++) {
+ for (var j = 0; j < i; j++) {
+ assertEquals(a[i], a[j] + a[i - j])
+ assertEquals(b[i], b[j] + b[i - j])
+ }
+}