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-rw-r--r--spec/ruby/core/array/allocate_spec.rb19
1 files changed, 19 insertions, 0 deletions
diff --git a/spec/ruby/core/array/allocate_spec.rb b/spec/ruby/core/array/allocate_spec.rb
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+++ b/spec/ruby/core/array/allocate_spec.rb
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+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Array.allocate" do
+ it "returns an instance of Array" do
+ ary = Array.allocate
+ ary.should be_an_instance_of(Array)
+ end
+
+ it "returns a fully-formed instance of Array" do
+ ary = Array.allocate
+ ary.size.should == 0
+ ary << 1
+ ary.should == [1]
+ end
+
+ it "does not accept any arguments" do
+ lambda { Array.allocate(1) }.should raise_error(ArgumentError)
+ end
+end