mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
75ec406b43
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48645 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
689 lines
15 KiB
Ruby
689 lines
15 KiB
Ruby
require 'test/unit'
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require 'tempfile'
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class TestException < Test::Unit::TestCase
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def test_exception_rescued
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begin
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raise "this must be handled"
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assert(false)
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rescue
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assert(true)
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end
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end
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def test_exception_retry
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bad = true
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begin
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raise "this must be handled no.2"
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rescue
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if bad
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bad = false
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retry
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assert(false)
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end
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end
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assert(true)
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end
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def test_exception_in_rescue
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string = "this must be handled no.3"
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assert_raise_with_message(RuntimeError, string) do
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begin
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raise "exception in rescue clause"
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rescue
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raise string
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end
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assert(false)
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end
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end
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def test_exception_in_ensure
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string = "exception in ensure clause"
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assert_raise_with_message(RuntimeError, string) do
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begin
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raise "this must be handled no.4"
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ensure
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assert_instance_of(RuntimeError, $!)
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assert_equal("this must be handled no.4", $!.message)
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raise "exception in ensure clause"
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end
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assert(false)
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end
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end
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def test_exception_ensure
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bad = true
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begin
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begin
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raise "this must be handled no.5"
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ensure
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bad = false
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end
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rescue
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end
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assert(!bad)
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end
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def test_exception_ensure_2 # just duplication?
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bad = true
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begin
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begin
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raise "this must be handled no.6"
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ensure
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bad = false
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end
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rescue
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end
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assert(!bad)
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end
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def test_errinfo_in_debug
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bug9568 = EnvUtil.labeled_class("[ruby-core:61091] [Bug #9568]", RuntimeError) do
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def to_s
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require '\0'
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rescue LoadError
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self.class.to_s
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end
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end
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err = EnvUtil.verbose_warning do
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assert_raise(bug9568) do
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$DEBUG, debug = true, $DEBUG
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begin
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raise bug9568
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ensure
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$DEBUG = debug
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end
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end
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end
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assert_include(err, bug9568.to_s)
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end
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def test_errinfo_encoding_in_debug
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exc = Module.new {break class_eval("class C\u{30a8 30e9 30fc} < RuntimeError; self; end".encode(Encoding::EUC_JP))}
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exc.inspect
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err = EnvUtil.verbose_warning do
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assert_raise(exc) do
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$DEBUG, debug = true, $DEBUG
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begin
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raise exc
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ensure
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$DEBUG = debug
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end
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end
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end
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assert_include(err, exc.to_s)
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end
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def test_break_ensure
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bad = true
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while true
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begin
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break
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ensure
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bad = false
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end
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end
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assert(!bad)
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end
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def test_catch_no_throw
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assert_equal(:foo, catch {:foo})
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end
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def test_catch_throw
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result = catch(:foo) {
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loop do
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loop do
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throw :foo, true
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break
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end
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assert(false, "should not reach here")
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end
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false
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}
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assert(result)
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end
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def test_catch_throw_noarg
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assert_nothing_raised(UncaughtThrowError) {
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result = catch {|obj|
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throw obj, :ok
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assert(false, "should not reach here")
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}
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assert_equal(:ok, result)
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}
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end
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def test_uncaught_throw
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tag = nil
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e = assert_raise_with_message(UncaughtThrowError, /uncaught throw/) {
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catch("foo") {|obj|
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tag = obj.dup
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throw tag, :ok
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assert(false, "should not reach here")
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}
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assert(false, "should not reach here")
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}
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assert_not_nil(tag)
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assert_same(tag, e.tag)
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assert_equal(:ok, e.value)
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end
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def test_catch_throw_in_require
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bug7185 = '[ruby-dev:46234]'
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Tempfile.create(["dep", ".rb"]) {|t|
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t.puts("throw :extdep, 42")
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t.close
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assert_equal(42, assert_throw(:extdep, bug7185) {require t.path}, bug7185)
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}
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end
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def test_else_no_exception
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begin
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assert(true)
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rescue
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assert(false)
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else
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assert(true)
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end
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end
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def test_else_raised
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begin
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assert(true)
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raise
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assert(false)
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rescue
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assert(true)
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else
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assert(false)
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end
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end
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def test_else_nested_no_exception
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begin
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assert(true)
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begin
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assert(true)
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rescue
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assert(false)
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else
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assert(true)
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end
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assert(true)
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rescue
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assert(false)
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else
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assert(true)
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end
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end
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def test_else_nested_rescued
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begin
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assert(true)
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begin
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assert(true)
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raise
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assert(false)
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rescue
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assert(true)
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else
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assert(false)
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end
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assert(true)
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rescue
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assert(false)
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else
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assert(true)
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end
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end
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def test_else_nested_unrescued
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begin
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assert(true)
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begin
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assert(true)
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rescue
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assert(false)
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else
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assert(true)
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end
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assert(true)
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raise
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assert(false)
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rescue
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assert(true)
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else
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assert(false)
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end
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end
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def test_else_nested_rescued_reraise
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begin
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assert(true)
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begin
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assert(true)
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raise
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assert(false)
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rescue
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assert(true)
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else
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assert(false)
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end
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assert(true)
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raise
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assert(false)
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rescue
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assert(true)
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else
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assert(false)
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end
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end
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def test_raise_with_wrong_number_of_arguments
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assert_raise(TypeError) { raise nil }
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assert_raise(TypeError) { raise 1, 1 }
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assert_raise(ArgumentError) { raise 1, 1, 1, 1 }
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end
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def test_type_error_message_encoding
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c = eval("Module.new do break class C\u{4032}; self; end; end")
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o = c.new
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assert_raise_with_message(TypeError, /C\u{4032}/) do
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""[o]
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end
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c.class_eval {def to_int; self; end}
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assert_raise_with_message(TypeError, /C\u{4032}/) do
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""[o]
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end
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c.class_eval {def to_a; self; end}
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assert_raise_with_message(TypeError, /C\u{4032}/) do
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[*o]
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end
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end
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def test_errat
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assert_in_out_err([], "p $@", %w(nil), [])
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assert_in_out_err([], "$@ = 1", [], /\$! not set \(ArgumentError\)$/)
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assert_in_out_err([], <<-INPUT, [], /backtrace must be Array of String \(TypeError\)$/)
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begin
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raise
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rescue
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$@ = 1
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end
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INPUT
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assert_in_out_err([], <<-INPUT, [], /^foo: unhandled exception$/)
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begin
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raise
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rescue
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$@ = 'foo'
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raise
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end
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INPUT
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assert_in_out_err([], <<-INPUT, [], /^foo: unhandled exception\s+from bar\s+from baz$/)
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begin
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raise
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rescue
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$@ = %w(foo bar baz)
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raise
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end
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INPUT
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end
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def test_thread_signal_location
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_, stderr, _ = EnvUtil.invoke_ruby("--disable-gems -d", <<-RUBY, false, true)
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Thread.start do
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begin
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Process.kill(:INT, $$)
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ensure
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raise "in ensure"
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end
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end.join
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RUBY
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assert_not_match(/:0/, stderr, "[ruby-dev:39116]")
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end
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def test_errinfo
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begin
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raise "foo"
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assert(false)
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rescue => e
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assert_equal(e, $!)
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1.times { assert_equal(e, $!) }
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end
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assert_equal(nil, $!)
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end
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def test_inspect
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assert_equal("#<Exception: Exception>", Exception.new.inspect)
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e = Class.new(Exception)
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e.class_eval do
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def to_s; ""; end
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end
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assert_equal(e.inspect, e.new.inspect)
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end
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def test_to_s
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e = StandardError.new("foo")
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assert_equal("foo", e.to_s)
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def (s = Object.new).to_s
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"bar"
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end
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e = StandardError.new(s)
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assert_equal("bar", e.to_s)
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end
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def test_set_backtrace
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e = Exception.new
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e.set_backtrace("foo")
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assert_equal(["foo"], e.backtrace)
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e.set_backtrace(%w(foo bar baz))
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assert_equal(%w(foo bar baz), e.backtrace)
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assert_raise(TypeError) { e.set_backtrace(1) }
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assert_raise(TypeError) { e.set_backtrace([1]) }
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end
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def test_exit_success_p
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begin
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exit
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rescue SystemExit => e
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end
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assert_send([e, :success?], "success by default")
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begin
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exit(true)
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rescue SystemExit => e
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end
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assert_send([e, :success?], "true means success")
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begin
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exit(false)
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rescue SystemExit => e
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end
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assert_not_send([e, :success?], "false means failure")
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begin
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abort
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rescue SystemExit => e
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end
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assert_not_send([e, :success?], "abort means failure")
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end
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def test_nomethoderror
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bug3237 = '[ruby-core:29948]'
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str = "\u2600"
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id = :"\u2604"
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msg = "undefined method `#{id}' for #{str.inspect}:String"
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assert_raise_with_message(NoMethodError, msg, bug3237) do
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str.__send__(id)
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end
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end
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def test_errno
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assert_equal(Encoding.find("locale"), Errno::EINVAL.new.message.encoding)
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end
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def test_too_many_args_in_eval
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bug5720 = '[ruby-core:41520]'
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arg_string = (0...140000).to_a.join(", ")
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assert_raise(SystemStackError, bug5720) {eval "raise(#{arg_string})"}
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end
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def test_systemexit_new
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e0 = SystemExit.new
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assert_equal(0, e0.status)
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assert_equal("SystemExit", e0.message)
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ei = SystemExit.new(3)
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assert_equal(3, ei.status)
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assert_equal("SystemExit", ei.message)
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es = SystemExit.new("msg")
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assert_equal(0, es.status)
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assert_equal("msg", es.message)
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eis = SystemExit.new(7, "msg")
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assert_equal(7, eis.status)
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assert_equal("msg", eis.message)
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bug5728 = '[ruby-dev:44951]'
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et = SystemExit.new(true)
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assert_equal(true, et.success?, bug5728)
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assert_equal("SystemExit", et.message, bug5728)
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ef = SystemExit.new(false)
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assert_equal(false, ef.success?, bug5728)
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assert_equal("SystemExit", ef.message, bug5728)
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ets = SystemExit.new(true, "msg")
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assert_equal(true, ets.success?, bug5728)
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assert_equal("msg", ets.message, bug5728)
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efs = SystemExit.new(false, "msg")
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assert_equal(false, efs.success?, bug5728)
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assert_equal("msg", efs.message, bug5728)
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end
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def test_exception_in_name_error_to_str
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bug5575 = '[ruby-core:41612]'
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Tempfile.create(["test_exception_in_name_error_to_str", ".rb"]) do |t|
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t.puts <<-EOC
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begin
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BasicObject.new.inspect
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rescue
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$!.inspect
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end
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EOC
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t.close
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assert_nothing_raised(NameError, bug5575) do
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load(t.path)
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end
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end
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end
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def test_equal
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bug5865 = '[ruby-core:41979]'
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assert_equal(RuntimeError.new("a"), RuntimeError.new("a"), bug5865)
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assert_not_equal(RuntimeError.new("a"), StandardError.new("a"), bug5865)
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end
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def test_exception_in_exception_equal
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bug5865 = '[ruby-core:41979]'
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Tempfile.create(["test_exception_in_exception_equal", ".rb"]) do |t|
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t.puts <<-EOC
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o = Object.new
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def o.exception(arg)
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end
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_ = RuntimeError.new("a") == o
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EOC
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t.close
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assert_nothing_raised(ArgumentError, bug5865) do
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load(t.path)
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end
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end
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end
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Bug4438 = '[ruby-core:35364]'
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def test_rescue_single_argument
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assert_raise(TypeError, Bug4438) do
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begin
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raise
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rescue 1
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end
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end
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end
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def test_rescue_splat_argument
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assert_raise(TypeError, Bug4438) do
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begin
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raise
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rescue *Array(1)
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end
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end
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end
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def test_to_s_taintness_propagation
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for exc in [Exception, NameError]
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m = "abcdefg"
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e = exc.new(m)
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e.taint
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s = e.to_s
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assert_equal(false, m.tainted?,
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"#{exc}#to_s should not propagate taintness")
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assert_equal(false, s.tainted?,
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"#{exc}#to_s should not propagate taintness")
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end
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o = Object.new
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def o.to_str
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"foo"
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end
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o.taint
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e = NameError.new(o)
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s = e.to_s
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assert_equal(false, s.tainted?)
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end
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def m
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m(&->{return 0})
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42
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end
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def test_stackoverflow
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feature6216 = '[ruby-core:43794] [Feature #6216]'
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e = assert_raise(SystemStackError, feature6216) {m}
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level = e.backtrace.size
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assert_operator(level, :>, 10, feature6216)
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feature6216 = '[ruby-core:63377] [Feature #6216]'
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e = assert_raise(SystemStackError, feature6216) {raise e}
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assert_equal(level, e.backtrace.size, feature6216)
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end
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def test_machine_stackoverflow
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bug9109 = '[ruby-dev:47804] [Bug #9109]'
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assert_separately(%w[--disable-gem], <<-SRC)
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assert_raise(SystemStackError, #{bug9109.dump}) {
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h = {a: ->{h[:a].call}}
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h[:a].call
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}
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SRC
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rescue SystemStackError
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end
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def test_machine_stackoverflow_by_define_method
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bug9454 = '[ruby-core:60113] [Bug #9454]'
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assert_separately(%w[--disable-gem], <<-SRC)
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assert_raise(SystemStackError, #{bug9454.dump}) {
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define_method(:foo) {self.foo}
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self.foo
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}
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SRC
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rescue SystemStackError
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end
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def test_cause
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msg = "[Feature #8257]"
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cause = nil
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e = assert_raise(StandardError) {
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begin
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raise msg
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rescue => e
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cause = e.cause
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raise StandardError
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end
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}
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assert_nil(cause, msg)
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cause = e.cause
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assert_instance_of(RuntimeError, cause, msg)
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assert_equal(msg, cause.message, msg)
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end
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def test_cause_reraised
|
|
msg = "[Feature #8257]"
|
|
e = assert_raise(RuntimeError) {
|
|
begin
|
|
raise msg
|
|
rescue => e
|
|
raise e
|
|
end
|
|
}
|
|
assert_not_same(e, e.cause, "#{msg}: should not be recursive")
|
|
end
|
|
|
|
def test_raise_with_cause
|
|
msg = "[Feature #8257]"
|
|
cause = ArgumentError.new("foobar")
|
|
e = assert_raise(RuntimeError) {raise msg, cause: cause}
|
|
assert_same(cause, e.cause)
|
|
end
|
|
|
|
def test_cause_with_no_arguments
|
|
cause = ArgumentError.new("foobar")
|
|
assert_raise_with_message(ArgumentError, /with no arguments/) do
|
|
raise cause: cause
|
|
end
|
|
end
|
|
|
|
def test_unknown_option
|
|
bug = '[ruby-core:63203] [Feature #8257] should pass unknown options'
|
|
|
|
exc = Class.new(RuntimeError) do
|
|
attr_reader :arg
|
|
def initialize(msg = nil)
|
|
@arg = msg
|
|
super(msg)
|
|
end
|
|
end
|
|
|
|
e = assert_raise(exc, bug) {raise exc, "foo" => "bar", foo: "bar"}
|
|
assert_equal({"foo" => "bar", foo: "bar"}, e.arg, bug)
|
|
|
|
e = assert_raise(exc, bug) {raise exc, "foo" => "bar", foo: "bar", cause: "zzz"}
|
|
assert_equal({"foo" => "bar", foo: "bar"}, e.arg, bug)
|
|
|
|
e = assert_raise(exc, bug) {raise exc, {}}
|
|
assert_equal({}, e.arg, bug)
|
|
end
|
|
|
|
def test_anonymous_message
|
|
assert_in_out_err([], "raise Class.new(RuntimeError), 'foo'", [], /foo\n/)
|
|
end
|
|
|
|
def test_name_error_info
|
|
obj = BasicObject.new
|
|
e = assert_raise(NameError) {
|
|
obj.instance_eval("Object")
|
|
}
|
|
assert_equal(:Object, e.name)
|
|
e = assert_raise(NameError) {
|
|
obj.instance_eval {foo}
|
|
}
|
|
assert_equal(:foo, e.name)
|
|
e = assert_raise(NoMethodError) {
|
|
obj.foo(1, 2)
|
|
}
|
|
assert_equal(:foo, e.name)
|
|
assert_equal([1, 2], e.args)
|
|
end
|
|
|
|
def test_output_string_encoding
|
|
# "\x82\xa0" in cp932 is "\u3042" (Japanese hiragana 'a')
|
|
# change $stderr to force calling rb_io_write() instead of fwrite()
|
|
assert_in_out_err(["-Eutf-8:cp932"], '# coding: cp932
|
|
$stderr = $stdout; raise "\x82\xa0"') do |outs, errs, status|
|
|
assert_equal 1, outs.size
|
|
assert_equal 0, errs.size
|
|
err = outs.first.force_encoding('utf-8')
|
|
assert err.valid_encoding?, 'must be valid encoding'
|
|
assert_match /\u3042/, err
|
|
end
|
|
end
|
|
end
|