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1d15d5f080
* 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
95 lines
2.6 KiB
Ruby
95 lines
2.6 KiB
Ruby
require File.expand_path('../spec_helper', __FILE__)
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load_extension("range")
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describe "C-API Range function" do
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before :each do
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@s = CApiRangeSpecs.new
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end
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describe "rb_range_new" do
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it "constructs a range using the given start and end" do
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range = @s.rb_range_new('a', 'c')
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range.should == ('a'..'c')
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range.first.should == 'a'
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range.last.should == 'c'
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end
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it "includes the end object when the third parameter is omitted or false" do
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@s.rb_range_new('a', 'c').to_a.should == ['a', 'b', 'c']
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@s.rb_range_new(1, 3).to_a.should == [1, 2, 3]
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@s.rb_range_new('a', 'c', false).to_a.should == ['a', 'b', 'c']
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@s.rb_range_new(1, 3, false).to_a.should == [1, 2, 3]
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@s.rb_range_new('a', 'c', true).to_a.should == ['a', 'b']
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@s.rb_range_new(1, 3, 1).to_a.should == [1, 2]
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@s.rb_range_new(1, 3, mock('[1,2]')).to_a.should == [1, 2]
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@s.rb_range_new(1, 3, :test).to_a.should == [1, 2]
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end
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it "raises an ArgumentError when the given start and end can't be compared by using #<=>" do
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lambda { @s.rb_range_new(1, mock('x')) }.should raise_error(ArgumentError)
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lambda { @s.rb_range_new(mock('x'), mock('y')) }.should raise_error(ArgumentError)
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end
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end
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describe "rb_range_values" do
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it "stores the range properties" do
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beg, fin, excl = @s.rb_range_values(10..20)
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beg.should == 10
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fin.should == 20
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excl.should be_false
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end
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it "stores the range properties of non-Range object" do
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range_like = mock('range')
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def range_like.begin
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10
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end
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def range_like.end
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20
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end
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def range_like.exclude_end?
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false
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end
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beg, fin, excl = @s.rb_range_values(range_like)
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beg.should == 10
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fin.should == 20
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excl.should be_false
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end
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end
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describe "rb_range_beg_len" do
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it "returns correct begin, length and result" do
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r = 2..5
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begp, lenp, result = @s.rb_range_beg_len(r, 0, 0, 10, 0)
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result.should be_true
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begp.should == 2
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lenp.should == 4
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end
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it "returns nil when not in range" do
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r = 2..5
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begp, lenp, result = @s.rb_range_beg_len(r, 0, 0, 1, 0)
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result.should be_nil
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end
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it "raises a RangeError when not in range and err is 1" do
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r = -5..-1
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lambda { @s.rb_range_beg_len(r, 0, 0, 1, 1) }.should raise_error(RangeError)
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end
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it "returns nil when not in range and err is 0" do
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r = -5..-1
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begp, lenp, result = @s.rb_range_beg_len(r, 0, 0, 1, 0)
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result.should be_nil
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end
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end
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end
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