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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes.rb', __FILE__)
describe "String#strip" do
it "returns a new string with leading and trailing whitespace removed" do
" hello ".strip.should == "hello"
" hello world ".strip.should == "hello world"
"\tgoodbye\r\v\n".strip.should == "goodbye"
"\x00 goodbye \x00".strip.should == "\x00 goodbye"
end
ruby_version_is ""..."1.9" do
it "returns a copy of self with trailing NULL bytes and whitespace after a NULL byte removed" do
" \x00 goodbye \x00 ".strip.should == "\x00 goodbye \x00"
end
end
ruby_version_is "1.9" do
it "returns a copy of self with trailing NULL bytes and whitespace" do
" \x00 goodbye \x00 ".strip.should == "\x00 goodbye"
end
end
it "taints the result when self is tainted" do
"".taint.strip.tainted?.should == true
"ok".taint.strip.tainted?.should == true
" ok ".taint.strip.tainted?.should == true
end
end
describe "String#strip!" do
it "modifies self in place and returns self" do
a = " hello "
a.strip!.should equal(a)
a.should == "hello"
a = "\tgoodbye\r\v\n"
a.strip!
a.should == "goodbye"
a = "\000 goodbye \000"
a.strip!
a.should == "\000 goodbye"
end
it "returns nil if no modifications where made" do
a = "hello"
a.strip!.should == nil
a.should == "hello"
end
ruby_version_is ""..."1.9" do
it "modifies self removing trailing NULL bytes and whitespace after a NULL byte" do
a = " \x00 goodbye \x00 "
a.strip!
a.should == "\x00 goodbye \x00"
end
it "raises a TypeError on a frozen instance that is modified" do
lambda { " hello ".freeze.strip! }.should raise_error(TypeError)
end
it "does not raise an exception on a frozen instance that would not be modified" do
"hello".freeze.strip!.should be_nil
"".freeze.strip!.should be_nil
end
end
ruby_version_is "1.9" do
it "modifies self removing trailing NULL bytes and whitespace" do
a = " \x00 goodbye \x00 "
a.strip!
a.should == "\x00 goodbye"
end
it "raises a RuntimeError on a frozen instance that is modified" do
lambda { " hello ".freeze.strip! }.should raise_error(RuntimeError)
end
# see #1552
it "raises a RuntimeError on a frozen instance that would not be modified" do
lambda {"hello".freeze.strip! }.should raise_error(RuntimeError)
lambda {"".freeze.strip! }.should raise_error(RuntimeError)
end
end
end
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