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require 'test/test_helper'
## simple indentation
assert { "\s\sabc" .unindent == "abc" } # removes space indentation
assert { "\tabc" .unindent == "abc" } # removes tab indentation
assert { "\t\s\sabc".unindent == "abc" } # removes space/tab indentation
assert { "" .unindent == "" } # handles empty strings
## multi-line indentation
assert { "\tabc\n\tabc" .unindent == "abc\nabc" } # removes space/tab indentation
assert { "\tabc\n\t\tabc" .unindent == "abc\n\tabc" } # keeps relative indentation
assert { "\n\tabc\n\n\t\tabc\n".unindent == "\nabc\n\n\tabc\n" } # ignores blank lines for indent calculation
## unindent!
# test: modifies string in place
source = "\s\sabc"
source.unindent!
assert { source == "abc" }
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