Add testcase for reported wordwrap bug

diff --git a/ext/standard/tests/strings/bug20927.phpt b/ext/standard/tests/strings/bug20927.phpt
new file mode 100644 (file)
index 0000000..4ac941b
--- /dev/null
+++ b/ext/standard/tests/strings/bug20927.phpt
@@ -0,0 +1,19 @@
+--TEST--
+Segfault on wordwrap statement bug #20927
+--SKIPIF--
+--FILE--
+<?php
+$x = "ADV:CLAIM YOUR FORTUNE NOW !!MAKE";
+$x .= " xxxxxxxxxxHUNDREDS OF THOUSANDSxxxxxxxxxxxx";
+$b = "CANITBREAKFOO\n";
+$x = wordwrap($x, 20, $b, 1);
+$x = wordwrap($x, 20, $b, 1);
+print "$x\n";
+?>
+--EXPECT--
+ADV:CLAIM YOURCANITBREAKFOO
+FORTUNE NOW !!MAKECANITBREAKFOO
+xxxxxxxxxxHUNDREDSCANITBREAKFOO
+OFCANITBREAKFOO
+THOUSANDSxxxxxxxxxxxCANITBREAKFOO
+x