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Stored size: 940 Bytes
Contents
describe "String#tr" do
it "replaces occurances of character with substitute" do
# identity checks (no substitution)
'abc'.tr('', 'z').should == 'abc'
'abc'.tr('a', 'a').should == 'abc'
'abc'.tr('a', 'az').should == 'abc'
# single char substitutions
'a'.tr('a', 'b').should == 'b'
'aa'.tr('a', 'b').should == 'bb'
'abc'.tr('b', 'z').should == 'azc'
'hello'.tr('e', 'ip').should == 'hillo'
# multiple char substitutions
'hello'.tr('el', 'ip').should == 'hippo'
'hello'.tr('aeiou', '*').should == 'h*ll*'
# inverted substitutions
'hello'.tr('^aeiou', '*').should == '*e**o'
# range substitutions
'abc'.tr('a-c', '*').should == '***'
'hello'.tr('e-lo', 'ab').should == 'babbb'
'hello'.tr('a-y', 'b-z').should == 'ifmmp'
# truncation
'abcd'.tr('a', '').should == 'bcd'
'abcd'.tr('abc', '').should == 'd'
'abcd'.tr('b-d', '').should == 'a'
end
end
Version data entries
10 entries across 10 versions & 1 rubygems