1 files changed, 29 insertions, 0 deletions
diff --git a/ext/standard/tests/math/atanh_error.phpt b/ext/standard/tests/math/atanh_error.phpt
new file mode 100644
index 0000000..e442825
--- /dev/null
+++ b/ext/standard/tests/math/atanh_error.phpt
@@ -0,0 +1,29 @@
+--TEST--
+Test wrong number of arguments for atanh()
+--FILE--
+<?php
+/* 
+ * proto float atanh(float number)
+ * Function is implemented in ext/standard/math.c
+*/ 
+
+$arg_0 = 1.0;
+$extra_arg = 1;
+
+echo "\nToo many arguments\n";
+var_dump(atanh($arg_0, $extra_arg));
+
+echo "\nToo few arguments\n";
+var_dump(atanh());
+
+?>
+--EXPECTF--
+Too many arguments
+
+Warning: atanh() expects exactly 1 parameter, 2 given in %s on line %d
+NULL
+
+Too few arguments
+
+Warning: atanh() expects exactly 1 parameter, 0 given in %s on line %d
+NULL