1 files changed, 67 insertions, 0 deletions
diff --git a/spec/ruby/library/date/infinity_spec.rb b/spec/ruby/library/date/infinity_spec.rb
new file mode 100644
index 0000000000..127fb8c2f4
--- /dev/null
+++ b/spec/ruby/library/date/infinity_spec.rb
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+require 'date'
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Date::Infinity" do
+
+  it "should be able to check whether Infinity is zero" do
+    i = Date::Infinity.new
+    i.zero?.should == false
+  end
+
+  it "should be able to check whether Infinity is finite" do
+    i1 = Date::Infinity.new
+    i1.finite?.should == false
+    i2 = Date::Infinity.new(-1)
+    i2.finite?.should == false
+    i3 = Date::Infinity.new(0)
+    i3.finite?.should == false
+  end
+
+  it "should be able to check whether Infinity is infinite" do
+    i1 = Date::Infinity.new
+    i1.infinite?.should == 1
+    i2 = Date::Infinity.new(-1)
+    i2.infinite?.should == -1
+    i3 = Date::Infinity.new(0)
+    i3.infinite?.should == nil
+  end
+
+  it "should be able to check whether Infinity is not a number" do
+    i1 = Date::Infinity.new
+    i1.nan?.should == false
+    i2 = Date::Infinity.new(-1)
+    i2.nan?.should == false
+    i3 = Date::Infinity.new(0)
+    i3.nan?.should == true
+  end
+
+  it "should be able to compare Infinity objects" do
+    i1 = Date::Infinity.new
+    i2 = Date::Infinity.new(-1)
+    i3 = Date::Infinity.new(0)
+    i4 = Date::Infinity.new
+    (i4 <=> i1).should == 0
+    (i3 <=> i1).should == -1
+    (i2 <=> i1).should == -1
+    (i3 <=> i2).should == 1
+  end
+
+  it "should be able to return plus Infinity for abs" do
+    i1 = Date::Infinity.new
+    i2 = Date::Infinity.new(-1)
+    i3 = Date::Infinity.new(0)
+    (i2.abs <=> i1).should == 0
+    (i3.abs <=> i1).should == 0
+  end
+
+  it "should be able to use -@ and +@ for Date::Infinity" do
+    (Date::Infinity.new <=> +Date::Infinity.new).should == 0
+    (Date::Infinity.new(-1) <=> -Date::Infinity.new).should == 0
+  end
+
+  it "should be able to coerce a Date::Infinity object" do
+    Date::Infinity.new.coerce(1).should == [-1, 1]
+    Date::Infinity.new(0).coerce(2).should == [0, 0]
+    Date::Infinity.new(-1).coerce(1.5).should == [1, -1]
+  end
+end