1 files changed, 41 insertions, 0 deletions
diff --git a/ext/standard/tests/math/tan_basic.phpt b/ext/standard/tests/math/tan_basic.phpt
new file mode 100644
index 0000000..e2934fb
--- /dev/null
+++ b/ext/standard/tests/math/tan_basic.phpt
@@ -0,0 +1,41 @@
+--TEST--
+Test return type and value for expected input tan()
+--INI--
+precision = 14
+--FILE--
+<?php
+/* 
+ * proto float tan(float number)
+ * Function is implemented in ext/standard/math.c
+*/ 
+
+$file_path = dirname(__FILE__);
+require($file_path."/allowed_rounding_error.inc");
+
+$sixty = M_PI / 3.0;
+$thirty = M_PI / 6.0;
+
+echo "tan 60 = ";
+var_dump(tan($sixty));
+if (allowed_rounding_error(tan($sixty),1.7320508075689)) {
+	echo "Pass\n";
+}
+else {
+	echo "Fail\n";
+}
+ 
+echo "tan 30 = ";
+var_dump(tan($thirty));
+if (allowed_rounding_error(tan($thirty),0.57735026918963)) {
+	echo "Pass\n";
+}
+else {
+	echo "Fail\n";
+}
+
+?>
+--EXPECTF--
+tan 60 = float(%f)
+Pass
+tan 30 = float(%f)
+Pass