From 9709fe79a3a75eefc92329cc0b74e159ff31525f Mon Sep 17 00:00:00 2001 From: Jun Hiroe Date: Thu, 5 Jun 2014 01:10:02 +0900 Subject: Implement String#clear --- test/t/string.rb | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'test/t/string.rb') diff --git a/test/t/string.rb b/test/t/string.rb index 5ecb51530..779a74791 100644 --- a/test/t/string.rb +++ b/test/t/string.rb @@ -515,3 +515,24 @@ assert('String#each_byte') do assert_equal bytes1, bytes2 end + +assert('String#clear') do + # embed string + s = "foo" + assert_equal("", s.clear) + assert_equal("", s) + + # not embed string and not shared string + s = "foo" * 100 + a = s + assert_equal("", s.clear) + assert_equal("", s) + assert_equal("", a) + + # shared string + s = "foo" * 100 + a = s[10, 90] # create shared string + assert_equal("", s.clear) # clear + assert_equal("", s) # s is cleared + assert_not_equal("", a) # a should not be affected +end -- cgit v1.2.3