1 files changed, 28 insertions, 0 deletions
diff --git a/spec/ruby/library/complex/math/shared/sinh.rb b/spec/ruby/library/complex/math/shared/sinh.rb
new file mode 100644
index 0000000000..abbe2c6da0
--- /dev/null
+++ b/spec/ruby/library/complex/math/shared/sinh.rb
@@ -0,0 +1,28 @@
+require File.expand_path('../../fixtures/classes', __FILE__)
+
+describe :complex_math_sinh, shared: true do
+  it "returns the hyperbolic sin of the argument" do
+    @object.send(:sinh, 0.0).should == 0.0
+    @object.send(:sinh, -0.0).should == 0.0
+    @object.send(:sinh, 1.5).should be_close(2.12927945509482, TOLERANCE)
+    @object.send(:sinh, -2.8).should be_close(-8.19191835423591, TOLERANCE)
+  end
+
+  it "returns the hyperbolic sin for Complex numbers" do
+    @object.send(:sinh, Complex(0, CMath::PI)).should be_close(Complex(-0.0, 1.22464679914735e-16), TOLERANCE)
+    @object.send(:sinh, Complex(3, 4)).should be_close(Complex(-6.548120040911, -7.61923172032141), TOLERANCE)
+  end
+end
+
+describe :complex_math_sinh_bang, shared: true do
+  it "returns the hyperbolic sin of the argument" do
+    @object.send(:sinh!, 0.0).should == 0.0
+    @object.send(:sinh!, -0.0).should == 0.0
+    @object.send(:sinh!, 1.5).should be_close(2.12927945509482, TOLERANCE)
+    @object.send(:sinh!, -2.8).should be_close(-8.19191835423591, TOLERANCE)
+  end
+
+  it "raises a TypeError when passed a Complex number" do
+    lambda { @object.send(:sinh!, Complex(4, 5)) }.should raise_error(TypeError)
+  end
+end