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require 'test/unit'
require_relative 'envutil'
class TestException < Test::Unit::TestCase
def ruby(*r, &b)
EnvUtil.rubyexec(*r, &b)
end
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
def test_else
begin
assert(true)
rescue
assert(false)
else
assert(true)
end
begin
assert(true)
raise
assert(false)
rescue
assert(true)
else
assert(false)
end
begin
assert(true)
begin
assert(true)
rescue
assert(false)
else
assert(true)
end
assert(true)
rescue
assert(false)
else
assert(true)
end
begin
assert(true)
begin
assert(true)
raise
assert(false)
rescue
assert(true)
else
assert(false)
end
assert(true)
rescue
assert(false)
else
assert(true)
end
begin
assert(true)
begin
assert(true)
rescue
assert(false)
else
assert(true)
end
assert(true)
raise
assert(false)
rescue
assert(true)
else
assert(false)
end
begin
assert(true)
begin
assert(true)
raise
assert(false)
rescue
assert(true)
else
assert(false)
end
assert(true)
raise
assert(false)
rescue
assert(true)
else
assert(false)
end
end
def test_raise_with_wrong_number_of_arguments
assert_raise(TypeError) { raise nil }
assert_raise(TypeError) { raise 1, 1 }
assert_raise(ArgumentError) { raise 1, 1, 1, 1 }
end
def test_errat
ruby do |w, r, e|
w.puts "p $@"
w.close
assert_equal("nil", r.read.chomp)
assert_equal("", e.read.chomp)
end
ruby do |w, r, e|
w.puts "$@ = 1"
w.close
assert_equal("", r.read.chomp)
assert_match(/\$! not set \(ArgumentError\)$/, e.read.chomp)
end
ruby do |w, r, e|
w.puts "begin"
w.puts " raise"
w.puts "rescue"
w.puts " $@ = 1"
w.puts "end"
w.close
assert_equal("", r.read.chomp)
assert_match(/backtrace must be Array of String \(TypeError\)$/, e.read.chomp)
end
ruby do |w, r, e|
w.puts "begin"
w.puts " raise"
w.puts "rescue"
w.puts " $@ = 'foo'"
w.puts " raise"
w.puts "end"
w.close
assert_equal("", r.read.chomp)
assert_match(/^foo: unhandled exception$/, e.read.chomp)
end
ruby do |w, r, e|
w.puts "begin"
w.puts " raise"
w.puts "rescue"
w.puts " $@ = %w(foo bar baz)"
w.puts " raise"
w.puts "end"
w.close
assert_equal("", r.read.chomp)
assert_match(/^foo: unhandled exception\s+from bar\s+from baz$/, e.read.chomp)
end
end
end
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