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Contents
# _____ _
# |_ _|__ ___| |_
# | |/ _ \/ __| __|
# | | __/\__ \ |
# |_|\___||___/\__|
#
# for lib/facets/numeric/round.rb
#
# Extracted Mon Sep 03 16:23:07 -0700 2007
# w/ Test Extraction Ratchet
#
require 'facets/numeric/round.rb'
require 'test/unit'
class TestRound < Test::Unit::TestCase
def setup
@f0 = [ 0, 10, 15, 105 ]
@f1 = [ 10.1, 10.01, 10.9, 10.09, 10.5, 10.05, 10.49 ]
end
def test_round_at_arg1
fr = @f0.collect{ |f| f.round_at(1) }
assert_equal( [0,10,15,105], fr )
fr = @f1.collect { |f| f.round_at(1) }
assert_equal( [10.1,10.0,10.9,10.1,10.5,10.1,10.5], fr )
end
def test_round_at_arg2
fr = @f0.collect { |f| f.round_at(2) }
assert_equal( [0,10,15,105], fr )
fr = @f1.collect { |f| f.round_at(2) }
assert_equal( [10.1,10.01,10.9,10.09,10.5,10.05,10.49], fr )
end
def test_round_off
assert_equal( 1.0, 1.2.round_off )
assert_equal( 2.0, 1.8.round_off )
end
def test_round_to_arg1
fr = @f0.collect { |f| f.round_to(0.1) }
assert_equal( [0,10,15,105], fr )
fr = @f1.collect { |f| f.round_to(0.1) }
assert_equal( [10.1,10.0,10.9,10.1,10.5,10.1,10.5], fr )
end
def test_round_to_arg10
fr = @f0.collect { |f| f.round_to(10) }
assert_equal( [0,10,20,110], fr )
fr = @f1.collect { |f| f.round_to(10) }
assert_equal( [10,10,10,10,10,10,10], fr )
end
def test_round_off
assert_equal( 1.0, 1.2.round_off )
assert_equal( 2.0, 1.8.round_off )
end
def test_approx?
f = 10.006
assert( f.approx?(10.01) )
assert( f.approx?(10, 0.1) )
assert( 100.4.approx?(100.6, 1) )
end
end
Version data entries
10 entries across 10 versions & 1 rubygems