1 files changed, 69 insertions, 0 deletions
diff --git a/ext/standard/tests/math/acos_basic.phpt b/ext/standard/tests/math/acos_basic.phpt
new file mode 100644
index 0000000..150eb97
--- /dev/null
+++ b/ext/standard/tests/math/acos_basic.phpt
@@ -0,0 +1,69 @@
+--TEST--
+Test return type and value for expected input acos()
+--INI--
+precision = 14
+--FILE--
+<?php
+/* 
+ * proto float acos(float number)
+ * Function is implemented in ext/standard/math.c
+*/ 
+
+$file_path = dirname(__FILE__);
+require($file_path."/allowed_rounding_error.inc");
+
+
+//output is in degrees
+
+echo "acos .5  = ";
+$acosv1 = 360.0  * acos(0.5) / (2.0 * M_PI );
+var_dump($acosv1);
+if (allowed_rounding_error($acosv1 ,60 )) {
+	echo "Pass\n";
+}
+else {
+	echo "Fail\n";
+}
+
+echo "acos 0.86602540378444 = ";
+$acosv2 = 360.0  * acos(0.86602540378444) / (2.0 * M_PI );
+var_dump($acosv2);
+if (allowed_rounding_error($acosv2 ,30 )) {
+	echo "Pass\n";
+}
+else {
+	echo "Fail\n";
+}
+
+
+echo "acos 1.0 = ";
+$acosv3 = 360.0  * acos(1.0) / (2.0 * M_PI);
+var_dump($acosv3);
+if (allowed_rounding_error($acosv3 ,0 )) {
+	echo "Pass\n";
+}
+else {
+	echo "Fail\n";
+}
+
+
+echo "acos 0.0 = ";
+$acosv4 = 360.0  * acos(0.0) / (2.0 * M_PI );
+var_dump($acosv4);
+if (allowed_rounding_error($acosv3 ,0 )) {
+	echo "Pass\n";
+}
+else {
+	echo "Fail\n";
+}
+
+?>
+--EXPECTF--
+acos .5  = float(%f)
+Pass
+acos 0.86602540378444 = float(%f)
+Pass
+acos 1.0 = float(%f)
+Pass
+acos 0.0 = float(%f)
+Pass