1 files changed, 38 insertions, 0 deletions
diff --git a/spec/ruby/core/float/lt_spec.rb b/spec/ruby/core/float/lt_spec.rb
new file mode 100644
index 0000000000..94dcfc42f8
--- /dev/null
+++ b/spec/ruby/core/float/lt_spec.rb
@@ -0,0 +1,38 @@
+require_relative '../../spec_helper'
+require_relative 'shared/comparison_exception_in_coerce'
+
+describe "Float#<" do
+  it_behaves_like :float_comparison_exception_in_coerce, :<
+
+  it "returns true if self is less than other" do
+    (71.3 < 91.8).should == true
+    (192.6 < -500).should == false
+    (-0.12 < 0x4fffffff).should == true
+  end
+
+  it "raises an ArgumentError when given a non-Numeric" do
+    -> { 5.0 < "4"       }.should raise_error(ArgumentError)
+    -> { 5.0 < mock('x') }.should raise_error(ArgumentError)
+  end
+
+  it "returns false if one side is NaN" do
+    [1.0, 42, bignum_value].each { |n|
+      (nan_value < n).should == false
+      (n < nan_value).should == false
+    }
+  end
+
+  it "handles positive infinity" do
+    [1.0, 42, bignum_value].each { |n|
+      (infinity_value < n).should == false
+      (n < infinity_value).should == true
+    }
+  end
+
+  it "handles negative infinity" do
+    [1.0, 42, bignum_value].each { |n|
+      (-infinity_value < n).should == true
+      (n < -infinity_value).should == false
+    }
+  end
+end