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mruby-enumerator: add test for Enumerable#chunk_while

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Yukihiro "Matz" Matsumoto
2024-07-22 13:52:12 +09:00
parent dcbe2e3eb3
commit f3b570f33a
1 changed files with 15 additions and 0 deletions
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mrbgems/mruby-enumerator/test/enumerator.rb
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@@ -647,3 +647,18 @@ assert("Enumerable#chunk") do
enum = e.chunk { |x| true }
assert_nil enum.size
end
assert("Enumerable#chunk_while") do
a = [1,2,4,9,10,11,12,15,16,19,20,21]
b = a.chunk_while {|i, j| i+1 == j }
assert_equal [[1, 2], [4], [9, 10, 11, 12], [15, 16], [19, 20, 21]], b.to_a
c = b.map {|a| a.length < 3 ? a : "#{a.first}-#{a.last}" }
assert_equal [[1, 2], [4], "9-12", [15, 16], "19-21"], c
a = [0, 9, 2, 2, 3, 2, 7, 5, 9, 5]
assert_equal [[0], [9], [2], [2], [3], [2], [7], [5], [9], [5]], a.chunk_while {|i, j| false }.to_a
assert_equal [[0, 9], [2, 2, 3], [2, 7], [5, 9], [5]], a.chunk_while {|i, j| i <= j }.to_a
a = [7, 5, 9, 2, 0, 7, 9, 4, 2, 0]
assert_equal [[7, 5, 9], [2, 0], [7, 9], [4, 2, 0]], a.chunk_while {|i, j| i % 2 == j % 2 }.to_a
end