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require 'test/unit'
class TestSymbol < Test::Unit::TestCase
# [ruby-core:3573]
def assert_eval_inspected(sym)
n = sym.inspect
assert_nothing_raised(SyntaxError) {assert_equal(sym, eval(n))}
end
def test_inspect_invalid
# 2) Symbol#inspect sometimes returns invalid symbol representations:
assert_eval_inspected(:"!")
assert_eval_inspected(:"=")
assert_eval_inspected(:"0")
assert_eval_inspected(:"$1")
assert_eval_inspected(:"@1")
assert_eval_inspected(:"@@1")
assert_eval_inspected(:"@")
assert_eval_inspected(:"@@")
end
def assert_inspect_evaled(n)
assert_nothing_raised(SyntaxError) {assert_equal(n, eval(n).inspect)}
end
def test_inspect_suboptimal
# 3) Symbol#inspect sometimes returns suboptimal symbol representations:
assert_inspect_evaled(':foo')
assert_inspect_evaled(':foo!')
assert_inspect_evaled(':bar?')
end
def test_inspect_dollar
# 4) :$- always treats next character literally:
sym = "$-".intern
assert_nothing_raised(SyntaxError) {assert_equal(sym, eval(':$-'))}
assert_nothing_raised(SyntaxError) {assert_equal(sym, eval(":$-\n"))}
assert_nothing_raised(SyntaxError) {assert_equal(sym, eval(":$- "))}
assert_nothing_raised(SyntaxError) {assert_equal(sym, eval(":$-#"))}
assert_raise(SyntaxError) {eval ':$-('}
end
def test_inspect_number
# 5) Inconsistency between :$0 and :$1? The first one is valid, but the
# latter isn't.
assert_inspect_evaled(':$0')
assert_inspect_evaled(':$1')
end
end
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