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

spec/ruby/core/array/clear_spec.rb

@@ -0,0 +1,49 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "Array#clear" do
+  it "removes all elements" do
+    a = [1, 2, 3, 4]
+    a.clear.should equal(a)
+    a.should == []
+  end
+
+  it "returns self" do
+    a = [1]
+    oid = a.object_id
+    a.clear.object_id.should == oid
+  end
+
+  it "leaves the Array empty" do
+    a = [1]
+    a.clear
+    a.empty?.should == true
+    a.size.should == 0
+  end
+
+  it "keeps tainted status" do
+    a = [1]
+    a.taint
+    a.tainted?.should be_true
+    a.clear
+    a.tainted?.should be_true
+  end
+
+  it "does not accept any arguments" do
+    lambda { [1].clear(true) }.should raise_error(ArgumentError)
+  end
+
+  it "keeps untrusted status" do
+    a = [1]
+    a.untrust
+    a.untrusted?.should be_true
+    a.clear
+    a.untrusted?.should be_true
+  end
+
+  it "raises a RuntimeError on a frozen array" do
+    a = [1]
+    a.freeze
+    lambda { a.clear }.should raise_error(RuntimeError)
+  end
+end