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29 lines
806 B
Crystal
29 lines
806 B
Crystal
require "./spec_helper"
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describe "compare_alphanumerically" do
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it "sorts filenames with leading zeros correctly" do
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ary = ["010.jpg", "001.jpg", "002.png"]
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ary.sort! {|a, b|
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compare_alphanumerically a, b
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}
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ary.should eq ["001.jpg", "002.png", "010.jpg"]
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end
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it "sorts filenames without leading zeros correctly" do
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ary = ["10.jpg", "1.jpg", "0.png", "0100.jpg"]
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ary.sort! {|a, b|
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compare_alphanumerically a, b
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}
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ary.should eq ["0.png", "1.jpg", "10.jpg", "0100.jpg"]
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end
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# https://ux.stackexchange.com/a/95441
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it "sorts like the stack exchange post" do
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ary = ["2", "12", "200000", "1000000", "a", "a12", "b2", "text2",
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"text2a", "text2a2", "text2a12", "text2ab", "text12", "text12a"]
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ary.reverse.sort {|a, b|
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compare_alphanumerically a, b
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}.should eq ary
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end
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end
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