Add floor function implementation and unit tests

1 files changed, 20 insertions, 0 deletions

diff --git a/lib/puppet/parser/functions/floor.rb b/lib/puppet/parser/functions/floor.rb
new file mode 100644
index 0000000..a401923
--- /dev/null
+++ b/lib/puppet/parser/functions/floor.rb
@@ -0,0 +1,20 @@
+module Puppet::Parser::Functions
+  newfunction(:floor, :type => :rvalue, :doc => <<-EOS
+    Returns the largest integer less or equal to the argument.
+    Takes a single numeric value as an argument.
+    EOS
+  ) do |arguments|
+
+    raise(Puppet::ParseError, "floor(): Wrong number of arguments " +
+          "given (#{arguments.size} for 1)") if arguments.size != 1
+
+    arg = arguments[0]
+
+    raise(Puppet::ParseError, "floor(): Wrong argument type " +
+          "given (#{arg.class} for Numeric)") if arg.is_a?(Numeric) == false
+
+    arg.floor
+  end
+end
+
+# vim: set ts=2 sw=2 et :