1 files changed, 22 insertions, 0 deletions
diff --git a/spec/ruby/core/bignum/lt_spec.rb b/spec/ruby/core/bignum/lt_spec.rb
new file mode 100644
index 0000000000..802c68a58b
--- /dev/null
+++ b/spec/ruby/core/bignum/lt_spec.rb
@@ -0,0 +1,22 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Bignum#<" do
+  before :each do
+    @bignum = bignum_value(32)
+  end
+
+  it "returns true if self is less than the given argument" do
+    (@bignum < @bignum + 1).should == true
+    (-@bignum < -(@bignum - 1)).should == true
+
+    (@bignum < 1).should == false
+    (@bignum < 5).should == false
+
+    (@bignum < 4.999).should == false
+  end
+
+  it "raises an ArgumentError when given a non-Integer" do
+    lambda { @bignum < "4" }.should raise_error(ArgumentError)
+    lambda { @bignum < mock('str') }.should raise_error(ArgumentError)
+  end
+end