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authorusa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2019-08-26 16:16:39 +0000
committerusa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2019-08-26 16:16:39 +0000
commit6b7ebe835cdec0d6ad4f28e4587e55b5c73a0e93 (patch)
treecdfe508ea16af565b288c62bdd3659310bb6f8d5 /test
parent2b97b8e09028be1d03ed03980f2ad34db6349b9f (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_5@67769 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test')
-rw-r--r--test/ruby/test_string.rb14
1 files changed, 14 insertions, 0 deletions
diff --git a/test/ruby/test_string.rb b/test/ruby/test_string.rb
index ae5b22c19e..2aed90193e 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