1 files changed, 79 insertions, 0 deletions
diff --git a/ext/standard/tests/math/expm1_basic.phpt b/ext/standard/tests/math/expm1_basic.phpt
new file mode 100644
index 0000000..fa1d571
--- /dev/null
+++ b/ext/standard/tests/math/expm1_basic.phpt
@@ -0,0 +1,79 @@
+--TEST--
+Test expm1() - basic function test for expm1()
+--INI--
+precision=14
+--FILE--
+<?php
+/* Prototype  : float expm1 ( float $arg  )
+ * Description: Returns exp(number) - 1, computed in a way that is accurate even 
+ *              when the value of number is close to zero.
+ * Source code: ext/standard/math.c
+ */
+
+echo "*** Testing expm1() : basic functionality ***\n";
+$values = array(10,
+				10.3,
+				3.9505e3,
+				037,
+				0x5F,	
+				"10",
+				"3950.5",
+				"3.9505e3",
+				"039",
+				"0x5F",
+				true,
+				false,
+				null, 
+				);	
+
+// loop through each element of $values to check the behaviour of expm1()
+$iterator = 1;
+foreach($values as $value) {
+	echo "\n-- Iteration $iterator --\n";
+	var_dump(expm1($value));
+	$iterator++;
+};
+?>
+===Done===
+--EXPECTF--
+*** Testing expm1() : basic functionality ***
+
+-- Iteration 1 --
+float(22025.465794807)
+
+-- Iteration 2 --
+float(29731.618852891)
+
+-- Iteration 3 --
+float(INF)
+
+-- Iteration 4 --
+float(29048849665246)
+
+-- Iteration 5 --
+float(1.811239082889E+41)
+
+-- Iteration 6 --
+float(22025.465794807)
+
+-- Iteration 7 --
+float(INF)
+
+-- Iteration 8 --
+float(INF)
+
+-- Iteration 9 --
+float(8.6593400423994E+16)
+
+-- Iteration 10 --
+float(1.811239082889E+41)
+
+-- Iteration 11 --
+float(1.718281828459)
+
+-- Iteration 12 --
+float(0)
+
+-- Iteration 13 --
+float(0)
+===Done===
+\ No newline at end of file