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Diffstat (limited to 'spec/rubyspec/core/array/min_spec.rb')
| -rw-r--r-- | spec/rubyspec/core/array/min_spec.rb | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/spec/rubyspec/core/array/min_spec.rb b/spec/rubyspec/core/array/min_spec.rb deleted file mode 100644 index 53fe4e0692..0000000000 --- a/spec/rubyspec/core/array/min_spec.rb +++ /dev/null @@ -1,117 +0,0 @@ -require File.expand_path('../../../spec_helper', __FILE__) - -describe "Array#min" do - it "returns nil with no values" do - [].min.should == nil - end - - it "returns only element in one element array" do - [1].min.should == 1 - end - - it "returns smallest value with multiple elements" do - [1,2].min.should == 1 - [2,1].min.should == 1 - end - - describe "given a block with one argument" do - it "yields in turn the last length-1 values from the array" do - ary = [] - result = [1,2,3,4,5].min {|x| ary << x; x} - - ary.should == [2,3,4,5] - result.should == 1 - end - end -end - -# From Enumerable#min, copied for better readability -describe "Array#min" do - before :each do - @a = [2, 4, 6, 8, 10] - - @e_strs = ["333", "22", "666666", "1", "55555", "1010101010"] - @e_ints = [ 333, 22, 666666, 55555, 1010101010] - end - - it "min should return the minimum element" do - [18, 42].min.should == 18 - [2, 5, 3, 6, 1, 4].min.should == 1 - end - - it "returns the minimum (basic cases)" do - [55].min.should == 55 - - [11,99].min.should == 11 - [99,11].min.should == 11 - [2, 33, 4, 11].min.should == 2 - - [1,2,3,4,5].min.should == 1 - [5,4,3,2,1].min.should == 1 - [4,1,3,5,2].min.should == 1 - [5,5,5,5,5].min.should == 5 - - ["aa","tt"].min.should == "aa" - ["tt","aa"].min.should == "aa" - ["2","33","4","11"].min.should == "11" - - @e_strs.min.should == "1" - @e_ints.min.should == 22 - end - - it "returns nil for an empty Enumerable" do - [].min.should be_nil - end - - it "raises a NoMethodError for elements without #<=>" do - lambda do - [BasicObject.new, BasicObject.new].min - end.should raise_error(NoMethodError) - end - - it "raises an ArgumentError for incomparable elements" do - lambda do - [11,"22"].min - end.should raise_error(ArgumentError) - lambda do - [11,12,22,33].min{|a, b| nil} - end.should raise_error(ArgumentError) - end - - it "returns the minimum when using a block rule" do - ["2","33","4","11"].min {|a,b| a <=> b }.should == "11" - [ 2 , 33 , 4 , 11 ].min {|a,b| a <=> b }.should == 2 - - ["2","33","4","11"].min {|a,b| b <=> a }.should == "4" - [ 2 , 33 , 4 , 11 ].min {|a,b| b <=> a }.should == 33 - - [ 1, 2, 3, 4 ].min {|a,b| 15 }.should == 1 - - [11,12,22,33].min{|a, b| 2 }.should == 11 - @i = -2 - [11,12,22,33].min{|a, b| @i += 1 }.should == 12 - - @e_strs.min {|a,b| a.length <=> b.length }.should == "1" - - @e_strs.min {|a,b| a <=> b }.should == "1" - @e_strs.min {|a,b| a.to_i <=> b.to_i }.should == "1" - - @e_ints.min {|a,b| a <=> b }.should == 22 - @e_ints.min {|a,b| a.to_s <=> b.to_s }.should == 1010101010 - end - - it "returns the minimum for enumerables that contain nils" do - arr = [nil, nil, true] - arr.min { |a, b| - x = a.nil? ? -1 : a ? 0 : 1 - y = b.nil? ? -1 : b ? 0 : 1 - x <=> y - }.should == nil - end - - it "gathers whole arrays as elements when each yields multiple" do - multi = [[1,2], [3,4,5], [6,7,8,9]] - multi.min.should == [1, 2] - end - -end |
