1 files changed, 21 insertions, 0 deletions
diff --git a/spec/ruby/shared/rational/coerce.rb b/spec/ruby/shared/rational/coerce.rb
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+++ b/spec/ruby/shared/rational/coerce.rb
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+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe :rational_coerce, shared: true do
+  it "returns the passed argument, self as Float, when given a Float" do
+    result = Rational(3, 4).coerce(1.0)
+    result.should == [1.0, 0.75]
+    result.first.is_a?(Float).should be_true
+    result.last.is_a?(Float).should be_true
+  end
+
+  it "returns the passed argument, self as Rational, when given an Integer" do
+    result = Rational(3, 4).coerce(10)
+    result.should == [Rational(10, 1), Rational(3, 4)]
+    result.first.is_a?(Rational).should be_true
+    result.last.is_a?(Rational).should be_true
+  end
+
+  it "returns [argument, self] when given a Rational" do
+    Rational(3, 7).coerce(Rational(9, 2)).should == [Rational(9, 2), Rational(3, 7)]
+  end
+end