1 files changed, 20 insertions, 0 deletions
diff --git a/spec/unit/parser/functions/is_string_spec.rb b/spec/unit/parser/functions/is_string_spec.rb
index 8c0061e..4f3f5fd 100644
--- a/spec/unit/parser/functions/is_string_spec.rb
+++ b/spec/unit/parser/functions/is_string_spec.rb
@@ -18,4 +18,24 @@ describe "the is_string function" do
     lambda { @scope.function_is_string([]) }.should( raise_error(Puppet::ParseError))
   end
 
+  it "should return true if a string" do
+    result = @scope.function_is_string(["asdf"])
+    result.should(eq(true))
+  end
+
+  it "should return false if an integer" do
+    result = @scope.function_is_string(["3"])
+    result.should(eq(false))
+  end
+
+  it "should return false if a float" do
+    result = @scope.function_is_string(["3.23"])
+    result.should(eq(false))
+  end
+
+  it "should return false if an array" do
+    result = @scope.function_is_string([["a","b","c"]])
+    result.should(eq(false))
+  end
+
 end