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require 'abstract_unit'
require 'active_support/core_ext/float/rounding'
class FloatExtRoundingTests < Test::Unit::TestCase
def test_round_for_positive_number
assert_equal 1, 1.4.round
assert_equal 2, 1.6.round
assert_equal 2, 1.6.round(0)
assert_equal 1.4, 1.4.round(1)
assert_equal 1.4, 1.4.round(3)
assert_equal 1.5, 1.45.round(1)
assert_equal 1.45, 1.445.round(2)
end
def test_round_for_negative_number
assert_equal( -1, -1.4.round )
assert_equal( -2, -1.6.round )
assert_equal( -1.4, -1.4.round(1) )
assert_equal( -1.5, -1.45.round(1) )
end
def test_round_with_negative_precision
assert_equal 123460.0, 123456.0.round(-1)
assert_equal 123500.0, 123456.0.round(-2)
end
end
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