From 678b6820f70d6bd09d6e5179755311f0774db22a Mon Sep 17 00:00:00 2001 From: mrkn Date: Tue, 31 May 2011 15:33:42 +0000 Subject: * ext/bigdecimal/bigdecimal.c (GetVpValueWithPrec): support instantiation from a Float through Rational. * ext/bigdecimal/bigdecimal.c (BigDecimal_new): ditto. * test/bigdecimal/test_bigdecimal.rb (test_global_new_float): add a test for the above changes. * test/bigdecimal/test_bigdecimal.rb (test_new_with_float): ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31870 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- test/bigdecimal/test_bigdecimal.rb | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'test/bigdecimal') diff --git a/test/bigdecimal/test_bigdecimal.rb b/test/bigdecimal/test_bigdecimal.rb index 63873d2b7c..c0c5ea44a0 100644 --- a/test/bigdecimal/test_bigdecimal.rb +++ b/test/bigdecimal/test_bigdecimal.rb @@ -42,6 +42,14 @@ class TestBigDecimal < Test::Unit::TestCase assert_raise(ArgumentError) { BigDecimal(1.quo(3)) } end + def test_global_new_with_float + assert_equal(BigDecimal("0.1235"), BigDecimal(0.1234567, 4)) + assert_equal(BigDecimal("-0.1235"), BigDecimal(-0.1234567, 4)) + assert_raise(ArgumentError) { BigDecimal(0.1) } + assert_raise(ArgumentError) { BigDecimal(0.1, Float::DIG + 2) } + assert_nothing_raised { BigDecimal(0.1, Float::DIG + 1) } + end + def test_new assert_equal(1, BigDecimal.new("1")) assert_equal(1, BigDecimal.new("1", 1)) @@ -70,6 +78,14 @@ class TestBigDecimal < Test::Unit::TestCase assert_raise(ArgumentError) { BigDecimal.new(1.quo(3)) } end + def test_new_with_float + assert_equal(BigDecimal("0.1235"), BigDecimal(0.1234567, 4)) + assert_equal(BigDecimal("-0.1235"), BigDecimal(-0.1234567, 4)) + assert_raise(ArgumentError) { BigDecimal.new(0.1) } + assert_raise(ArgumentError) { BigDecimal.new(0.1, Float::DIG + 2) } + assert_nothing_raised { BigDecimal.new(0.1, Float::DIG + 1) } + end + def _test_mode(type) BigDecimal.mode(type, true) assert_raise(FloatDomainError) { yield } -- cgit v1.2.3