1 files changed, 60 insertions, 0 deletions
diff --git a/ext/standard/tests/math/sqrt_variation.phpt b/ext/standard/tests/math/sqrt_variation.phpt
new file mode 100644
index 0000000..bb1806b
--- /dev/null
+++ b/ext/standard/tests/math/sqrt_variation.phpt
@@ -0,0 +1,60 @@
+--TEST--
+Test variations in usage of sqrt()
+--INI--
+precision = 14
+--FILE--
+<?php
+/* 
+ * proto float sqrt(float number)
+ * Function is implemented in ext/standard/math.c
+*/ 
+
+
+//Test sqrt with a different input values
+echo "*** Testing sqrt() : usage variations ***\n";
+
+$values = array(23,
+		-23,
+		2.345e1,
+		-2.345e1,
+		0x17,
+		027,
+		"23",
+		"23.45",
+		"2.345e1",
+		"nonsense",				
+		"1000",
+		"1000ABC",
+		null,
+		true,
+		false);	
+
+for ($i = 0; $i < count($values); $i++) {
+	$res = sqrt($values[$i]);
+	var_dump($res);
+}
+
+?>
+===Done===
+--EXPECTF--
+*** Testing sqrt() : usage variations ***
+float(4.7958315233127)
+float(NAN)
+float(4.8425200051213)
+float(NAN)
+float(4.7958315233127)
+float(4.7958315233127)
+float(4.7958315233127)
+float(4.8425200051213)
+float(4.8425200051213)
+
+Warning: sqrt() expects parameter 1 to be double, string given in %s on line %d
+NULL
+float(31.622776601684)
+
+Notice: A non well formed numeric value encountered in %s on line %d
+float(31.622776601684)
+float(0)
+float(1)
+float(0)
+===Done===