From d83d9cd164d934c57ab19b6022d29f150c12b3a2 Mon Sep 17 00:00:00 2001 From: ksss Date: Thu, 14 Jul 2016 21:30:31 +0900 Subject: String#insert should be destructive --- mrbgems/mruby-string-ext/test/string.rb | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'mrbgems/mruby-string-ext/test/string.rb') diff --git a/mrbgems/mruby-string-ext/test/string.rb b/mrbgems/mruby-string-ext/test/string.rb index f68fbcb28..aa3e8a192 100644 --- a/mrbgems/mruby-string-ext/test/string.rb +++ b/mrbgems/mruby-string-ext/test/string.rb @@ -406,6 +406,10 @@ assert('String#insert') do assert_equal "abcdX", "abcd".insert(-1, 'X') assert_raise(IndexError) { "abcd".insert(5, 'X') } assert_raise(IndexError) { "abcd".insert(-6, 'X') } + + a = "abcd" + a.insert(0, 'X') + assert_equal "Xabcd", a end assert('String#prepend') do -- cgit v1.2.3