33 lines
897 B
Ruby
33 lines
897 B
Ruby
# frozen_string_literal: true
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require_relative "../abstract_unit"
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require "active_support/core_ext/integer"
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class IntegerExtTest < ActiveSupport::TestCase
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PRIME = 22953686867719691230002707821868552601124472329079
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def test_multiple_of
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[ -7, 0, 7, 14 ].each { |i| assert i.multiple_of?(7) }
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[ -7, 7, 14 ].each { |i| assert_not i.multiple_of?(6) }
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# test the 0 edge case
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assert 0.multiple_of?(0)
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assert_not 5.multiple_of?(0)
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# test with a prime
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[2, 3, 5, 7].each { |i| assert_not PRIME.multiple_of?(i) }
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end
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def test_ordinalize
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# These tests are mostly just to ensure that the ordinalize method exists.
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# Its results are tested comprehensively in the inflector test cases.
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assert_equal "1st", 1.ordinalize
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assert_equal "8th", 8.ordinalize
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end
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def test_ordinal
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assert_equal "st", 1.ordinal
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assert_equal "th", 8.ordinal
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end
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end
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