1 files changed, 28 insertions, 0 deletions
diff --git a/spec/ruby/core/float/ceil_spec.rb b/spec/ruby/core/float/ceil_spec.rb
new file mode 100644
index 0000000000..efd1e6feb2
--- /dev/null
+++ b/spec/ruby/core/float/ceil_spec.rb
@@ -0,0 +1,28 @@
+require_relative '../../spec_helper'
+require_relative '../integer/shared/integer_ceil_precision'
+
+describe "Float#ceil" do
+  context "with values equal to integers" do
+    it_behaves_like :integer_ceil_precision, :Float
+  end
+
+  it "returns the smallest Integer greater than or equal to self" do
+    -1.2.ceil.should.eql?( -1)
+    -1.0.ceil.should.eql?( -1)
+    0.0.ceil.should.eql?( 0 )
+    1.3.ceil.should.eql?( 2 )
+    3.0.ceil.should.eql?( 3 )
+    -9223372036854775808.1.ceil.should.eql?(-9223372036854775808)
+    +9223372036854775808.1.ceil.should.eql?(+9223372036854775808)
+  end
+
+  it "returns the smallest number greater than or equal to self with an optionally given precision" do
+    2.1679.ceil(0).should.eql?(3)
+    214.94.ceil(-1).should.eql?(220)
+    7.0.ceil(1).should.eql?(7.0)
+    200.0.ceil(-2).should.eql?(200)
+    -1.234.ceil(2).should.eql?(-1.23)
+    5.123812.ceil(4).should.eql?(5.1239)
+    10.00001.ceil(5).should.eql?(10.00001)
+  end
+end