55 lines
1.2 KiB
Ruby
55 lines
1.2 KiB
Ruby
require 'test/unit'
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class TestRange < Test::Unit::TestCase
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def test_range_string
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# XXX: Is this really the test of Range?
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assert_equal([], ("a" ... "a").to_a)
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assert_equal(["a"], ("a" .. "a").to_a)
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assert_equal(["a"], ("a" ... "b").to_a)
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assert_equal(["a", "b"], ("a" .. "b").to_a)
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end
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def test_evaluation_order
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arr = [1,2]
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r = (arr.shift)..(arr.shift)
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assert_equal(1..2, r, "[ruby-dev:26383]")
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end
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class DuckRange
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def initialize(b,e,excl=false)
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@begin = b
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@end = e
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@excl = excl
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end
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attr_reader :begin, :end
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def exclude_end?
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@excl
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end
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end
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def test_duckrange
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assert_equal("bc", "abcd"[DuckRange.new(1,2)])
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end
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def test_min
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assert_equal(1, (1..2).min)
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assert_equal(nil, (2..1).min)
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assert_equal(1, (1...2).min)
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assert_equal(1.0, (1.0..2.0).min)
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assert_equal(nil, (2.0..1.0).min)
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assert_equal(1, (1.0...2.0).min)
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end
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def test_max
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assert_equal(2, (1..2).max)
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assert_equal(nil, (2..1).max)
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assert_equal(1, (1...2).max)
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assert_equal(2.0, (1.0..2.0).max)
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assert_equal(nil, (2.0..1.0).max)
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assert_raise(TypeError) { (1.0...2.0).max }
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end
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end
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