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| author | nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-08-09 13:41:04 +0000 |
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| committer | nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-08-09 13:41:04 +0000 |
| commit | ce0d99e4f81e85f81f5dc9e785045045358962e2 (patch) | |
| tree | 0a5c841a7b37c3fef8059245cb3c4b22808f2dc6 /test | |
| parent | 0e5d4b3237cfdab041e943e3693628378a95d4cf (diff) | |
merge revision(s) 28678997e40869f5591eae60edd9757334426ffb,8797f48373dcfa3ff8e748667732dea8aea4347e: [Backport #15937]
Preserve the string content at self-copying
* string.c (rb_str_init): preserve the embedded content when
self-copying with a capacity. [Bug #15937]
New buffer for shared string
* string.c (rb_str_init): allocate new buffer if the string is
shared. [Bug #15937]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_6@67738 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test')
| -rw-r--r-- | test/ruby/test_string.rb | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/ruby/test_string.rb b/test/ruby/test_string.rb index de22815a38..55dcfb5f35 100644 --- a/test/ruby/test_string.rb +++ b/test/ruby/test_string.rb @@ -68,6 +68,20 @@ class TestString < Test::Unit::TestCase assert_raise(FrozenError){ str.__send__(:initialize, encoding: 'euc-jp') } assert_raise(FrozenError){ str.__send__(:initialize, 'abc', encoding: 'euc-jp') } assert_raise(FrozenError){ str.__send__(:initialize, 'abc', capacity: 1000, encoding: 'euc-jp') } + + str = S("") + assert_equal("mystring", str.__send__(:initialize, "mystring")) + str = S("mystring") + assert_equal("mystring", str.__send__(:initialize, str)) + str = S("") + assert_equal("mystring", str.__send__(:initialize, "mystring", capacity: 1000)) + str = S("mystring") + assert_equal("mystring", str.__send__(:initialize, str, capacity: 1000)) + end + + def test_initialize_shared + String.new(str = "mystring" * 10).__send__(:initialize, capacity: str.bytesize) + assert_equal("mystring", str[0, 8]) end def test_initialize_nonstring |