From a0e438cd3c28d2eaf4efa18243d5b6edafa14d88 Mon Sep 17 00:00:00 2001
From: mrkn <mrkn@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 2 Dec 2018 05:21:54 +0000
Subject: Import bigdecimal-1.4.0.pre-20181130a

* https://github.com/ruby/bigdecimal/compare/74d25ef..v1.4.0.pre.20181130a

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66124 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/bigdecimal/test_bigdecimal_util.rb | 32 +++++++++++++++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

(limited to 'test/bigdecimal/test_bigdecimal_util.rb')

diff --git a/test/bigdecimal/test_bigdecimal_util.rb b/test/bigdecimal/test_bigdecimal_util.rb
index fd457f6bf5..04c8eb2b46 100644
--- a/test/bigdecimal/test_bigdecimal_util.rb
+++ b/test/bigdecimal/test_bigdecimal_util.rb
@@ -12,6 +12,8 @@ class TestBigDecimalUtil < Test::Unit::TestCase
   def test_Integer_to_d
     assert_equal(BigDecimal(1), 1.to_d)
     assert_equal(BigDecimal(2<<100), (2<<100).to_d)
+
+    assert(1.to_d.frozen?)
   end
 
   def test_Float_to_d_without_precision
@@ -22,6 +24,11 @@ class TestBigDecimalUtil < Test::Unit::TestCase
 
     bug9214 = '[ruby-core:58858]'
     assert_equal((-0.0).to_d.sign, -1, bug9214)
+
+    assert_raise(TypeError) { 0.3.to_d(nil) }
+    assert_raise(TypeError) { 0.3.to_d(false) }
+
+    assert(1.1.to_d.frozen?)
   end
 
   def test_Float_to_d_with_precision
@@ -32,6 +39,8 @@ class TestBigDecimalUtil < Test::Unit::TestCase
 
     bug9214 = '[ruby-core:58858]'
     assert_equal((-0.0).to_d(digits).sign, -1, bug9214)
+
+    assert(1.1.to_d(digits).frozen?)
   end
 
   def test_Rational_to_d
@@ -39,6 +48,8 @@ class TestBigDecimalUtil < Test::Unit::TestCase
     delta = 1.0/10**(digits)
     assert_in_delta(BigDecimal(1.quo(2), digits), 1.quo(2).to_d(digits), delta)
     assert_in_delta(BigDecimal(355.quo(113), digits), 355.quo(113).to_d(digits), delta)
+
+    assert(355.quo(113).to_d(digits).frozen?)
   end
 
   def test_Rational_to_d_with_zero_precision
@@ -50,11 +61,30 @@ class TestBigDecimalUtil < Test::Unit::TestCase
   end
 
   def test_String_to_d
-    assert_equal("2.5".to_d, BigDecimal('2.5'))
+    assert_equal(BigDecimal('1'), "1__1_1".to_d)
+    assert_equal(BigDecimal('2.5'), "2.5".to_d)
+    assert_equal(BigDecimal('2.5'), "2.5 degrees".to_d)
+    assert_equal(BigDecimal('2.5e1'), "2.5e1 degrees".to_d)
+    assert_equal(BigDecimal('0'), "degrees 100.0".to_d)
+    assert_equal(BigDecimal('0.125'), "0.1_2_5".to_d)
+    assert_equal(BigDecimal('0.125'), "0.1_2_5__".to_d)
+    assert_equal(BigDecimal('1'), "1_.125".to_d)
+    assert_equal(BigDecimal('1'), "1._125".to_d)
+    assert_equal(BigDecimal('0.1'), "0.1__2_5".to_d)
+    assert_equal(BigDecimal('0.1'), "0.1_e10".to_d)
+    assert_equal(BigDecimal('0.1'), "0.1e_10".to_d)
+    assert_equal(BigDecimal('1'), "0.1e1__0".to_d)
+
+    assert("2.5".to_d.frozen?)
   end
 
   def test_invalid_String_to_d
     assert_equal("invalid".to_d, BigDecimal('0.0'))
   end
 
+  def test_Nil_to_d
+    assert_equal(nil.to_d, BigDecimal('0.0'))
+
+    assert(nil.to_d)
+  end
 end
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