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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes.rb', __FILE__)
describe "String#rstrip" do
it "returns a copy of self with trailing whitespace removed" do
" hello ".rstrip.should == " hello"
" hello world ".rstrip.should == " hello world"
" hello world \n\r\t\n\v\r".rstrip.should == " hello world"
"hello".rstrip.should == "hello"
"hello\x00".rstrip.should == "hello"
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 \x00hello\x00 \x00".rstrip.should == "\x00 \x00hello\x00"
end
end
ruby_version_is "1.9" do
it "returns a copy of self with all trailing whitespace and NULL bytes removed" do
"\x00 \x00hello\x00 \x00".rstrip.should == "\x00 \x00hello"
end
end
it "taints the result when self is tainted" do
"".taint.rstrip.tainted?.should == true
"ok".taint.rstrip.tainted?.should == true
"ok ".taint.rstrip.tainted?.should == true
end
end
describe "String#rstrip!" do
it "modifies self in place and returns self" do
a = " hello "
a.rstrip!.should equal(a)
a.should == " hello"
end
ruby_version_is ""..."1.9" do
it "modifies self removing trailing NULL bytes and whitespace after a NULL" do
a = "\x00 \x00hello\x00 \x00"
a.rstrip!
a.should == "\x00 \x00hello\x00"
end
end
ruby_version_is "1.9" do
it "modifies self removing trailing NULL bytes and whitespace" do
a = "\x00 \x00hello\x00 \x00"
a.rstrip!
a.should == "\x00 \x00hello"
end
end
it "returns nil if no modifications were made" do
a = "hello"
a.rstrip!.should == nil
a.should == "hello"
end
ruby_version_is ""..."1.9" do
it "raises a TypeError on a frozen instance that is modified" do
lambda { " hello ".freeze.rstrip! }.should raise_error(TypeError)
end
it "does not raise an exception on a frozen instance that would not be modified" do
"hello".freeze.rstrip!.should be_nil # ok, nothing changed
"".freeze.rstrip!.should be_nil # ok, nothing changed
end
end
ruby_version_is "1.9" do
it "raises a RuntimeError on a frozen instance that is modified" do
lambda { " hello ".freeze.rstrip! }.should raise_error(RuntimeError)
end
# see [ruby-core:23666]
it "raises a RuntimeError on a frozen instance that would not be modified" do
lambda { "hello".freeze.rstrip! }.should raise_error(RuntimeError)
lambda { "".freeze.rstrip! }.should raise_error(RuntimeError)
end
end
end
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