1 files changed, 92 insertions, 0 deletions
diff --git a/ext/standard/tests/math/sin_basic.phpt b/ext/standard/tests/math/sin_basic.phpt
new file mode 100644
index 0000000..2b55ad7
--- /dev/null
+++ b/ext/standard/tests/math/sin_basic.phpt
@@ -0,0 +1,92 @@
+--TEST--
+Test return type and value for expected input sin()
+--INI--
+precision = 14
+--FILE--
+<?php
+/* 
+ * proto float sin(float number)
+ * Function is implemented in ext/standard/math.c
+*/ 
+
+$file_path = dirname(__FILE__);
+require($file_path."/allowed_rounding_error.inc");
+
+
+// Use known values to test
+
+$sixty = M_PI / 3.0;
+$thirty = M_PI / 6.0;
+$ninety = M_PI /2.0;
+$oneeighty = M_PI;
+$twoseventy = M_PI * 1.5;
+$threesixty = M_PI * 2.0;
+
+
+echo "sin 30 = ";
+var_dump(sin($thirty));
+if (allowed_rounding_error(sin($thirty),0.5)) {
+	echo "Pass\n";
+}
+else {
+	echo "Fail\n";
+}
+
+echo "sin 60 = ";
+var_dump(sin($sixty));
+if (allowed_rounding_error(sin($sixty),0.86602540378444)) {
+	echo "Pass\n";
+}
+else {
+	echo "Fail\n";
+}
+
+echo "sin 90 = ";
+var_dump(sin($ninety));
+if (allowed_rounding_error(sin($ninety),1.0)) {
+	echo "Pass\n";
+}
+else {
+	echo "Fail\n";
+}
+
+echo "sin 180 = ";
+var_dump(sin($oneeighty));
+if (allowed_rounding_error(sin($oneeighty),0.0)) {
+	echo "Pass\n";
+}
+else {
+	echo "Fail\n";
+}
+
+echo "sin 270 = ";
+var_dump(sin($twoseventy));
+if (allowed_rounding_error(sin($twoseventy),-1.0)) {
+	echo "Pass\n";
+}
+else {	
+	echo "Fail\n";
+}
+
+echo "sin 360 = ";
+var_dump(sin($threesixty));
+if (allowed_rounding_error(sin($threesixty),0.0)) {
+	echo "Pass\n";
+}
+else {
+	echo "Fail\n";
+}
+?>
+--EXPECTF--
+sin 30 = float(%f)
+Pass
+sin 60 = float(%f)
+Pass
+sin 90 = float(%f)
+Pass
+sin 180 = float(%f)
+Pass
+sin 270 = float(%f)
+Pass
+sin 360 = float(%f)
+Pass