mirror of
https://github.com/mruby/mruby
synced 2026-06-08 16:11:16 +00:00
Nobuyoshi Nakada
42 lines
1.2 KiB
Ruby
42 lines
1.2 KiB
Ruby
##
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# Hash(Ext) Test
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assert('Hash#merge!') do
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a = { 'abc_key' => 'abc_value', 'cba_key' => 'cba_value' }
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b = { 'cba_key' => 'XXX', 'xyz_key' => 'xyz_value' }
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result_1 = a.merge! b
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a = { 'abc_key' => 'abc_value', 'cba_key' => 'cba_value' }
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result_2 = a.merge!(b) do |key, original, new|
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original
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end
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assert_equal({'abc_key' => 'abc_value', 'cba_key' => 'XXX',
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'xyz_key' => 'xyz_value' }, result_1)
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assert_equal({'abc_key' => 'abc_value', 'cba_key' => 'cba_value',
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'xyz_key' => 'xyz_value' }, result_2)
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end
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assert('Hash#values_at') do
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h = { "cat" => "feline", "dog" => "canine", "cow" => "bovine" }
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assert_equal ["bovine", "feline"], h.values_at("cow", "cat")
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keys = []
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(0...1000).each { |v| keys.push "#{v}" }
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h = Hash.new { |hash,k| hash[k] = k }
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assert_equal keys, h.values_at(*keys)
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end
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assert('Hash#fetch') do
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h = { "cat" => "feline", "dog" => "canine", "cow" => "bovine" }
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assert_equal "feline", h.fetch("cat")
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assert_equal "mickey", h.fetch("mouse", "mickey")
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assert_equal "minny", h.fetch("mouse"){"minny"}
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begin
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h.fetch("gnu")
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rescue => e
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assert_kind_of(StandardError, e);
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end
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end
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