1 files changed, 20 insertions, 0 deletions
diff --git a/tests/MathTest.php b/tests/MathTest.php
index 47d89b8..a843db5 100644
--- a/tests/MathTest.php
+++ b/tests/MathTest.php
@@ -147,6 +147,8 @@ class MathTest extends TestCase
             ['sin(10) * cos(50) / min(10, (20/2))'],
             ['sin(10) * cos(50) / min(10, (max(10,20)/2))'],
 
+            ['100500 * 3.5e5'],
+            ['100500 * 3.5e-5'],
             ['100500 * 3.5E5'],
             ['100500 * 3.5E-5'],
 
@@ -208,6 +210,24 @@ class MathTest extends TestCase
             ['1 + (3 *-1)'],
             ['1 - 0'],
             ['1-0'],
+
+            ['-(1.5)'],
+            ['-log(4)'],
+            ['0-acosh(1.5)'],
+            ['-acosh(1.5)'],
+            ['-(-4)'],
+            ['-(-4 + 5)'],
+            ['-(3 * 1)'],
+            ['-(-3 * -1)'],
+            ['-1 + (-3 * -1)'],
+            ['-1 + ( -3 * 1)'],
+            ['-1 + (3 *-1)'],
+            ['-1 - 0'],
+            ['-1-0'],
+            ['-(4*2)-5'],
+            ['-(4*-2)-5'],
+            ['-(-4*2) - 5'],
+            ['-4*-5'],
         ];
     }