Add Tests for Numeric

test/t/numeric.rb

@@ -0,0 +1,25 @@
+##
+# Numeric ISO Test
+
+assert('Numeric', '15.2.7') do
+  Numeric.class == Class
+end
+
+assert('Numeric#+@', '15.2.7.4.1') do
+  +1 == +1
+end
+
+assert('Numeric#-@', '15.2.7.4.2') do
+  -1 == -1
+end
+
+assert('Numeric#abs', '15.2.7.4.3') do
+  1.abs == 1 and -1.abs == 1.0
+end
+
+# Not ISO specified
+
+assert('Numeric#**') do
+  2.0**3 == 8.0
+end
+