1 files changed, 33 insertions, 0 deletions
diff --git a/spec/rubyspec/core/time/round_spec.rb b/spec/rubyspec/core/time/round_spec.rb
new file mode 100644
index 0000000000..a9a793c156
--- /dev/null
+++ b/spec/rubyspec/core/time/round_spec.rb
@@ -0,0 +1,33 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Time#round" do
+  before do
+    @time = Time.utc(2010, 3, 30, 5, 43, "25.123456789".to_r)
+    @subclass = Class.new(Time).now
+  end
+
+  it "defaults to rounding to 0 places" do
+    @time.round.should == Time.utc(2010, 3, 30, 5, 43, 25.to_r)
+  end
+
+  it "rounds to 0 decimal places with an explicit argument" do
+    @time.round(0).should == Time.utc(2010, 3, 30, 5, 43, 25.to_r)
+  end
+
+  it "rounds to 7 decimal places with an explicit argument" do
+    @time.round(7).should == Time.utc(2010, 3, 30, 5, 43, "25.1234568".to_r)
+  end
+
+  it "returns an instance of Time, even if #round is called on a subclass" do
+    @subclass.round.should be_an_instance_of(Time)
+  end
+
+  it "copies own timezone to the returning value" do
+    @time.zone.should == @time.round.zone
+
+    with_timezone "JST-9" do
+      time = Time.at 0, 1
+      time.zone.should == time.round.zone
+    end
+  end
+end