1 files changed, 45 insertions, 0 deletions
diff --git a/spec/ruby/core/integer/lt_spec.rb b/spec/ruby/core/integer/lt_spec.rb
new file mode 100644
index 0000000000..c182f82555
--- /dev/null
+++ b/spec/ruby/core/integer/lt_spec.rb
@@ -0,0 +1,45 @@
+require_relative '../../spec_helper'
+require_relative 'shared/comparison_coerce'
+
+describe "Integer#<" do
+  it_behaves_like :integer_comparison_coerce_not_rescue, :<
+
+  context "fixnum" do
+    it "returns true if self is less than the given argument" do
+      (2 < 13).should == true
+      (-600 < -500).should == true
+
+      (5 < 1).should == false
+      (5 < 5).should == false
+
+      (900 < bignum_value).should == true
+      (5 < 4.999).should == false
+    end
+
+    it "raises an ArgumentError when given a non-Integer" do
+      -> { 5 < "4"       }.should raise_error(ArgumentError)
+      -> { 5 < mock('x') }.should raise_error(ArgumentError)
+    end
+  end
+
+  context "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
+      -> { @bignum < "4" }.should raise_error(ArgumentError)
+      -> { @bignum < mock('str') }.should raise_error(ArgumentError)
+    end
+  end
+end