From 00fa8097f9b6c371a7565b15561570a91127a4cf Mon Sep 17 00:00:00 2001
From: Jun Hiroe <Jun.Hiroe@gmail.com>
Date: Wed, 11 Jun 2014 00:36:01 +0900
Subject: Implement String#slice_bang

---
 mrbgems/mruby-string-ext/test/string.rb | 58 +++++++++++++++++++++++++++++++++
 1 file changed, 58 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 72c919b35..01c0be9d2 100644
--- a/mrbgems/mruby-string-ext/test/string.rb
+++ b/mrbgems/mruby-string-ext/test/string.rb
@@ -193,3 +193,61 @@ assert('String#clear') do
   assert_equal("", s)          # s is cleared
   assert_not_equal("", a)      # a should not be affected
 end
+
+assert('String#slice!') do
+  a = "AooBar"
+  b = a.dup
+  assert_equal "A", a.slice!(0)
+  assert_equal "AooBar", b
+
+  a = "FooBar"
+  assert_equal "r", a.slice!(-1)
+  assert_equal "FooBa", a
+
+  a = "FooBar"
+  assert_nil a.slice!(6)
+  assert_nil a.slice!(-7)
+  assert_equal "FooBar", a
+
+  a = "FooBar"
+  assert_equal "Foo", a.slice!(0, 3)
+  assert_equal "Bar", a
+
+  a = "FooBar"
+  assert_equal "Bar", a.slice!(-3, 3)
+  assert_equal "Foo", a
+
+  a = "FooBar"
+  assert_nil a.slice!(6, 2)
+  assert_equal "FooBar", a
+
+  a = "FooBar"
+  assert_nil a.slice!(-7,10)
+  assert_equal "FooBar", a
+
+  a = "FooBar"
+  assert_equal "Foo", a.slice!(0..2)
+  assert_equal "Bar", a
+
+  a = "FooBar"
+  assert_equal "Bar", a.slice!(-3..-1)
+  assert_equal "Foo", a
+
+  a = "FooBar"
+  assert_equal "", a.slice!(6..2)
+  assert_equal "FooBar", a
+
+  a = "FooBar"
+  assert_nil a.slice!(-10..-7)
+  assert_equal "FooBar", a
+
+  a = "FooBar"
+  assert_equal "Foo", a.slice!("Foo")
+  assert_equal "Bar", a
+
+  a = "FooBar"
+  assert_nil a.slice!("xyzzy")
+  assert_equal "FooBar", a
+
+  assert_raise(ArgumentError) { "foo".slice! }
+end
-- 
cgit v1.2.3