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require 'test/unit'
$KCODE = 'none'
class TestException < Test::Unit::TestCase
def test_exception
begin
raise "this must be handled"
assert(false)
rescue
assert(true)
end
$bad = true
begin
raise "this must be handled no.2"
rescue
if $bad
$bad = false
retry
assert(false)
end
end
assert(true)
# exception in rescue clause
$string = "this must be handled no.3"
e = assert_raises(RuntimeError) do
begin
raise "exception in rescue clause"
rescue
raise $string
end
assert(false)
end
assert_equal($string, e.message)
# exception in ensure clause
$string = "exception in ensure clause"
e = assert_raises(RuntimeError) do
begin
raise "this must be handled no.4"
ensure
assert_instance_of(RuntimeError, $!)
assert_equal("this must be handled no.4", $!.message)
raise "exception in ensure clause"
end
assert(false)
end
assert_equal($string, e.message)
$bad = true
begin
begin
raise "this must be handled no.5"
ensure
$bad = false
end
rescue
end
assert(!$bad)
$bad = true
begin
begin
raise "this must be handled no.6"
ensure
$bad = false
end
rescue
end
assert(!$bad)
$bad = true
while true
begin
break
ensure
$bad = false
end
end
assert(!$bad)
assert(catch(:foo) {
loop do
loop do
throw :foo, true
break
end
break
assert(false) # should no reach here
end
false
})
end
end
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