mirror of
https://github.com/mruby/mruby
synced 2026-06-08 16:11:16 +00:00
YAMAMOTO Masaya
44 lines
836 B
Ruby
44 lines
836 B
Ruby
##
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# Numeric ISO Test
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assert('Numeric', '15.2.7') do
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assert_equal Class, Numeric.class
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end
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assert('Numeric#+@', '15.2.7.4.1') do
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assert_equal(+1, +1)
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end
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assert('Numeric#-@', '15.2.7.4.2') do
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assert_equal(-1, -1)
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end
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assert('Numeric#abs', '15.2.7.4.3') do
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assert_equal(1, 1.abs)
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assert_equal(1.0, -1.abs) if class_defined?("Float")
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end
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assert('Numeric#pow') do
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assert_equal(8, 2 ** 3)
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assert_equal(-8, -2 ** 3)
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assert_equal(1, 2 ** 0)
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assert_equal(1, 2.2 ** 0)
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assert_equal(0.5, 2 ** -1)
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end
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assert('Numeric#/', '15.2.8.3.4') do
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n = Class.new(Numeric){ def /(x); 15.1;end }.new
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assert_equal(2, 10/5)
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assert_equal(0.0625, 1/16)
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assert_equal(15.1, n/10)
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assert_raise(TypeError){ 1/n }
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assert_raise(TypeError){ 1/nil }
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end
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# Not ISO specified
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assert('Numeric#**') do
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assert_equal 8.0, 2.0**3
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end
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