Move spec/rubyspec to spec/ruby for consistency

* Other ruby implementations use the spec/ruby directory.
  [Misc #13792] [ruby-core:82287]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 39 insertions, 0 deletions

diff --git a/spec/ruby/core/math/sin_spec.rb b/spec/ruby/core/math/sin_spec.rb
new file mode 100644
index 0000000000..d8f134e609
--- /dev/null
+++ b/spec/ruby/core/math/sin_spec.rb
@@ -0,0 +1,39 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+# sine : (-Inf, Inf) --> (-1.0, 1.0)
+describe "Math.sin" do
+  it "returns a float" do
+    Math.sin(Math::PI).should be_kind_of(Float)
+  end
+
+  it "returns the sine of the argument expressed in radians" do
+    Math.sin(Math::PI).should be_close(0.0, TOLERANCE)
+    Math.sin(0).should be_close(0.0, TOLERANCE)
+    Math.sin(Math::PI/2).should be_close(1.0, TOLERANCE)
+    Math.sin(3*Math::PI/2).should be_close(-1.0, TOLERANCE)
+    Math.sin(2*Math::PI).should be_close(0.0, TOLERANCE)
+  end
+
+  it "raises a TypeError if the argument cannot be coerced with Float()" do
+    lambda { Math.sin("test") }.should raise_error(TypeError)
+  end
+
+  it "returns NaN given NaN" do
+    Math.sin(nan_value).nan?.should be_true
+  end
+
+  it "raises a TypeError if the argument is nil" do
+    lambda { Math.sin(nil) }.should raise_error(TypeError)
+  end
+
+  it "accepts any argument that can be coerced with Float()" do
+    Math.sin(MathSpecs::Float.new).should be_close(0.841470984807897, TOLERANCE)
+  end
+end
+
+describe "Math#sin" do
+  it "is accessible as a private instance method" do
+    IncludesMath.new.send(:sin, 1.21).should be_close(0.935616001553386, TOLERANCE)
+  end
+end