1 files changed, 36 insertions, 0 deletions
diff --git a/spec/ruby/core/time/floor_spec.rb b/spec/ruby/core/time/floor_spec.rb
new file mode 100644
index 0000000000..41e5142b19
--- /dev/null
+++ b/spec/ruby/core/time/floor_spec.rb
@@ -0,0 +1,36 @@
+require_relative '../../spec_helper'
+
+describe "Time#floor" do
+  before do
+    @time = Time.utc(2010, 3, 30, 5, 43, "25.123456789".to_r)
+  end
+
+  it "defaults to flooring to 0 places" do
+    @time.floor.should == Time.utc(2010, 3, 30, 5, 43, 25.to_r)
+  end
+
+  it "floors to 0 decimal places with an explicit argument" do
+    @time.floor(0).should == Time.utc(2010, 3, 30, 5, 43, 25.to_r)
+  end
+
+  it "floors to 7 decimal places with an explicit argument" do
+    @time.floor(7).should == Time.utc(2010, 3, 30, 5, 43, "25.1234567".to_r)
+  end
+
+  it "returns an instance of Time, even if #floor is called on a subclass" do
+    subclass = Class.new(Time)
+    instance = subclass.at(0)
+    instance.class.should.equal? subclass
+    instance.floor.should.instance_of?(Time)
+  end
+
+  it "copies own timezone to the returning value" do
+    @time.zone.should == @time.floor.zone
+
+    time = with_timezone "JST-9" do
+      Time.at 0, 1
+    end
+
+    time.zone.should == time.floor.zone
+  end
+end