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Stored size: 946 Bytes
Contents
covers 'facets/enumerable/each_by'
testcase Enumerable do
unit :each_by => "infer groups of two" do
e = [[1,2], [3,4], [5,6]]
a = [1,2,3,4,5,6]
r = []
a.each_by{ |a,b| r << [a,b] }
r.assert == e
end
unit :each_by => "infer groups of three" do
e = [[1,2,3],[4,5,nil]]
a = [1,2,3,4,5]
r = []
a.each_by{ |a,b,c| r << [a,b,c] }
r.assert == e
end
unit :each_by => "specify groups of two" do
e = [[1,2],[3,4]]
a = [1,2,3,4]
r = []
a.each_by(2){ |a,b| r << [a,b] }
r.assert == e
end
unit :each_by => "specify groups of three with splat argument" do
e = [ [[1,2,3]], [[4,5,6]] ]
a = [1,2,3,4,5,6]
r = []
a.each_by(3){ |*a| r << a }
r.assert == e
end
unit :each_by => "specify groups of four with splat argument" do
e = [ [[1,2,3,4]], [[5,6,7,8]] ]
a = [1,2,3,4,5,6,7,8]
r = []
a.each_by(4){ |*a| r << a }
r.assert == e
end
end
Version data entries
4 entries across 4 versions & 1 rubygems