diff --git a/ext/bcmath/tests/bcdiv_error1.phpt b/ext/bcmath/tests/bcdiv_error1.phpt
new file mode 100755
index 00000000000..823689a41b2
--- /dev/null
+++ b/ext/bcmath/tests/bcdiv_error1.phpt
@@ -0,0 +1,12 @@
+--TEST--
+bcdiv — Divide two arbitrary precision numbers
+--CREDITS--
+TestFest2009
+Antoni Torrents
+antoni@solucionsinternet.com
+--FILE--
+<?php
+echo bcdiv('10.99', '0');
+?>
+--EXPECTF--
+Warning: bcdiv(): Division by zero in %s.php on line %d
diff --git a/ext/bcmath/tests/bcdiv_error2.phpt b/ext/bcmath/tests/bcdiv_error2.phpt
new file mode 100644
index 00000000000..a6a2d2024cb
--- /dev/null
+++ b/ext/bcmath/tests/bcdiv_error2.phpt
@@ -0,0 +1,11 @@
+--TEST--
+bcdiv — Divide two arbitrary precision numbers
+--CREDITS--
+Antoni Torrents
+antoni@solucionsinternet.com
+--FILE--
+<?php
+echo bcdiv('1', '2', '3', '4');
+?>
+--EXPECTF--
+Warning: Wrong parameter count for bcdiv() in %s.php on line %d
diff --git a/ext/bcmath/tests/bcmod_error1.phpt b/ext/bcmath/tests/bcmod_error1.phpt
new file mode 100644
index 00000000000..8fb65275b5a
--- /dev/null
+++ b/ext/bcmath/tests/bcmod_error1.phpt
@@ -0,0 +1,11 @@
+--TEST--
+bcmod — Get modulus of an arbitrary precision number
+--CREDITS--
+Antoni Torrents
+antoni@solucionsinternet.com
+--FILE--
+<?php
+echo bcmod('1', '2', '3');
+?>
+--EXPECTF--
+Warning: Wrong parameter count for bcmod() in %s.php on line %d
diff --git a/ext/bcmath/tests/bcpowmod_error1.phpt b/ext/bcmath/tests/bcpowmod_error1.phpt
new file mode 100755
index 00000000000..e6253fe4310
--- /dev/null
+++ b/ext/bcmath/tests/bcpowmod_error1.phpt
@@ -0,0 +1,11 @@
+--TEST--
+bcpowmod — Raise an arbitrary precision number to another, reduced by a specified modulus
+--CREDITS--
+Antoni Torrents
+antoni@solucionsinternet.com
+--FILE--
+<?php
+echo bcpowmod('1');
+?>
+--EXPECTF--
+Warning: bcpowmod() expects at least 3 parameters, 1 given in %s.php on line %d
diff --git a/ext/bcmath/tests/bcpowmod_error2.phpt b/ext/bcmath/tests/bcpowmod_error2.phpt
new file mode 100755
index 00000000000..64b1e64de49
--- /dev/null
+++ b/ext/bcmath/tests/bcpowmod_error2.phpt
@@ -0,0 +1,11 @@
+--TEST--
+bcpowmod — Raise an arbitrary precision number to another, reduced by a specified modulus
+--CREDITS--
+Antoni Torrents
+antoni@solucionsinternet.com
+--FILE--
+<?php
+echo bcpowmod('1', '2');
+?>
+--EXPECTF--
+Warning: bcpowmod() expects at least 3 parameters, 2 given in %s.php on line %d
diff --git a/ext/bcmath/tests/bcpowmod_error3.phpt b/ext/bcmath/tests/bcpowmod_error3.phpt
new file mode 100644
index 00000000000..87c5c5bcd51
--- /dev/null
+++ b/ext/bcmath/tests/bcpowmod_error3.phpt
@@ -0,0 +1,11 @@
+--TEST--
+bcpowmod — Raise an arbitrary precision number to another, reduced by a specified modulus
+--CREDITS--
+Antoni Torrents
+antoni@solucionsinternet.com
+--FILE--
+<?php
+echo bcpowmod('1', '2', '3', '4', '5');
+?>
+--EXPECTF--
+Warning: bcpowmod() expects at most 4 parameters, 5 given in %s.php on line %d
diff --git a/ext/bcmath/tests/bcsqrt_error1.phpt b/ext/bcmath/tests/bcsqrt_error1.phpt
new file mode 100755
index 00000000000..b02d6813b16
--- /dev/null
+++ b/ext/bcmath/tests/bcsqrt_error1.phpt
@@ -0,0 +1,11 @@
+--TEST--
+bcsqrt — Get the square root of an arbitrary precision number
+--CREDITS--
+Antoni Torrents
+antoni@solucionsinternet.com
+--FILE--
+<?php
+echo bcsqrt('-9');
+?>
+--EXPECTF--
+Warning: bcsqrt(): Square root of negative number in %s.php on line %d