37 lines
1.0 KiB
Ruby
37 lines
1.0 KiB
Ruby
# frozen_string_literal: false
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require 'test/unit'
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require '-test-/array/resize'
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class Test_Array < Test::Unit::TestCase
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using Module.new {
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refine(Array) {
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def __resize__(len) ::Bug::Array.__resize__(self, len); end
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}
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}
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class TestResize < Test::Unit::TestCase
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def test_expand
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feature = '[ruby-dev:42912]'
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ary = [*1..10]
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ary.__resize__(10)
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assert_equal(10, ary.size, feature)
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assert_equal([*1..10], ary, feature)
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ary.__resize__(100)
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assert_equal(100, ary.size, feature)
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assert_equal([*1..10]+[nil]*90, ary, feature)
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ary.__resize__(20)
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assert_equal(20, ary.size, feature)
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assert_equal([*1..10]+[nil]*10, ary, feature)
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ary.__resize__(2)
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assert_equal(2, ary.size, feature)
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assert_equal([1,2], ary, feature)
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ary.__resize__(3)
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assert_equal(3, ary.size, feature)
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assert_equal([1,2,nil], ary, feature)
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ary.__resize__(10)
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assert_equal(10, ary.size, feature)
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assert_equal([1,2]+[nil]*8, ary, feature)
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end
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end
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end
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