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-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 96137e3de9..778a817fdc 100644
--- a/test/ruby/test_string.rb
+++ b/test/ruby/test_string.rb
@@ -2147,6 +2147,20 @@ class TestString < Test::Unit::TestCase
assert_equal("\u3042", " \u3042".lstrip)
end
+ def test_lstrip_bang
+ s1 = S(" hello ")
+ assert_equal("hello ", s1.lstrip!)
+ assert_equal("hello ", s1)
+
+ s2 = S("\u3042 ")
+ assert_equal(nil, s2.lstrip!)
+ assert_equal("\u3042 ", s2)
+
+ s3 = S(" \u3042")
+ assert_equal("\u3042", s3.lstrip!)
+ assert_equal("\u3042", s3)
+ end
+
=begin
def test_symbol_table_overflow
assert_in_out_err([], <<-INPUT, [], /symbol table overflow \(symbol [a-z]{8}\) \(RuntimeError\)/)