Fresh start

1 files changed, 701 insertions, 0 deletions

diff --git a/jni/ruby/test/ruby/test_exception.rb b/jni/ruby/test/ruby/test_exception.rb
new file mode 100644
index 0000000..c68d226
--- /dev/null
+++ b/jni/ruby/test/ruby/test_exception.rb
@@ -0,0 +1,701 @@
+require 'test/unit'
+require 'tempfile'
+
+class TestException < Test::Unit::TestCase
+  def test_exception_rescued
+    begin
+      raise "this must be handled"
+      assert(false)
+    rescue
+      assert(true)
+    end
+  end
+
+  def test_exception_retry
+    bad = true
+    begin
+      raise "this must be handled no.2"
+    rescue
+      if bad
+        bad = false
+        retry
+        assert(false)
+      end
+    end
+    assert(true)
+  end
+
+  def test_exception_in_rescue
+    string = "this must be handled no.3"
+    assert_raise_with_message(RuntimeError, string) do
+      begin
+        raise "exception in rescue clause"
+      rescue
+        raise string
+      end
+      assert(false)
+    end
+  end
+
+  def test_exception_in_ensure
+    string = "exception in ensure clause"
+    assert_raise_with_message(RuntimeError, string) 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
+  end
+
+  def test_exception_ensure
+    bad = true
+    begin
+      begin
+        raise "this must be handled no.5"
+      ensure
+        bad = false
+      end
+    rescue
+    end
+    assert(!bad)
+  end
+
+  def test_exception_ensure_2   # just duplication?
+    bad = true
+    begin
+      begin
+        raise "this must be handled no.6"
+      ensure
+        bad = false
+      end
+    rescue
+    end
+    assert(!bad)
+  end
+
+  def test_errinfo_in_debug
+    bug9568 = EnvUtil.labeled_class("[ruby-core:61091] [Bug #9568]", RuntimeError) do
+      def to_s
+        require '\0'
+      rescue LoadError
+        self.class.to_s
+      end
+    end
+
+    err = EnvUtil.verbose_warning do
+      assert_raise(bug9568) do
+        $DEBUG, debug = true, $DEBUG
+        begin
+          raise bug9568
+        ensure
+          $DEBUG = debug
+        end
+      end
+    end
+    assert_include(err, bug9568.to_s)
+  end
+
+  def test_errinfo_encoding_in_debug
+    exc = Module.new {break class_eval("class C\u{30a8 30e9 30fc} < RuntimeError; self; end".encode(Encoding::EUC_JP))}
+    exc.inspect
+
+    err = EnvUtil.verbose_warning do
+      assert_raise(exc) do
+        $DEBUG, debug = true, $DEBUG
+        begin
+          raise exc
+        ensure
+          $DEBUG = debug
+        end
+      end
+    end
+    assert_include(err, exc.to_s)
+  end
+
+  def test_break_ensure
+    bad = true
+    while true
+      begin
+        break
+      ensure
+        bad = false
+      end
+    end
+    assert(!bad)
+  end
+
+  def test_catch_no_throw
+    assert_equal(:foo, catch {:foo})
+  end
+
+  def test_catch_throw
+    result = catch(:foo) {
+      loop do
+        loop do
+          throw :foo, true
+          break
+        end
+        assert(false, "should not reach here")
+      end
+      false
+    }
+    assert(result)
+  end
+
+  def test_catch_throw_noarg
+    assert_nothing_raised(UncaughtThrowError) {
+      result = catch {|obj|
+        throw obj, :ok
+        assert(false, "should not reach here")
+      }
+      assert_equal(:ok, result)
+    }
+  end
+
+  def test_uncaught_throw
+    tag = nil
+    e = assert_raise_with_message(UncaughtThrowError, /uncaught throw/) {
+      catch("foo") {|obj|
+        tag = obj.dup
+        throw tag, :ok
+        assert(false, "should not reach here")
+      }
+      assert(false, "should not reach here")
+    }
+    assert_not_nil(tag)
+    assert_same(tag, e.tag)
+    assert_equal(:ok, e.value)
+  end
+
+  def test_catch_throw_in_require
+    bug7185 = '[ruby-dev:46234]'
+    Tempfile.create(["dep", ".rb"]) {|t|
+      t.puts("throw :extdep, 42")
+      t.close
+      assert_equal(42, assert_throw(:extdep, bug7185) {require t.path}, bug7185)
+    }
+  end
+
+  def test_else_no_exception
+    begin
+      assert(true)
+    rescue
+      assert(false)
+    else
+      assert(true)
+    end
+  end
+
+  def test_else_raised
+    begin
+      assert(true)
+      raise
+      assert(false)
+    rescue
+      assert(true)
+    else
+      assert(false)
+    end
+  end
+
+  def test_else_nested_no_exception
+    begin
+      assert(true)
+      begin
+	assert(true)
+      rescue
+	assert(false)
+      else
+	assert(true)
+      end
+      assert(true)
+    rescue
+      assert(false)
+    else
+      assert(true)
+    end
+  end
+
+  def test_else_nested_rescued
+    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
+  end
+
+  def test_else_nested_unrescued
+    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
+  end
+
+  def test_else_nested_rescued_reraise
+    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_type_error_message_encoding
+    c = eval("Module.new do break class C\u{4032}; self; end; end")
+    o = c.new
+    assert_raise_with_message(TypeError, /C\u{4032}/) do
+      ""[o]
+    end
+    c.class_eval {def to_int; self; end}
+    assert_raise_with_message(TypeError, /C\u{4032}/) do
+      ""[o]
+    end
+    c.class_eval {def to_a; self; end}
+    assert_raise_with_message(TypeError, /C\u{4032}/) do
+      [*o]
+    end
+  end
+
+  def test_errat
+    assert_in_out_err([], "p $@", %w(nil), [])
+
+    assert_in_out_err([], "$@ = 1", [], /\$! not set \(ArgumentError\)$/)
+
+    assert_in_out_err([], <<-INPUT, [], /backtrace must be Array of String \(TypeError\)$/)
+      begin
+        raise
+      rescue
+        $@ = 1
+      end
+    INPUT
+
+    assert_in_out_err([], <<-INPUT, [], /^foo: unhandled exception$/)
+      begin
+        raise
+      rescue
+        $@ = 'foo'
+        raise
+      end
+    INPUT
+
+    assert_in_out_err([], <<-INPUT, [], /^foo: unhandled exception\s+from bar\s+from baz$/)
+      begin
+        raise
+      rescue
+        $@ = %w(foo bar baz)
+        raise
+      end
+    INPUT
+  end
+
+  def test_thread_signal_location
+    _, stderr, _ = EnvUtil.invoke_ruby("--disable-gems -d", <<-RUBY, false, true)
+Thread.start do
+  begin
+    Process.kill(:INT, $$)
+  ensure
+    raise "in ensure"
+  end
+end.join
+    RUBY
+    assert_not_match(/:0/, stderr, "[ruby-dev:39116]")
+  end
+
+  def test_errinfo
+    begin
+      raise "foo"
+      assert(false)
+    rescue => e
+      assert_equal(e, $!)
+      1.times { assert_equal(e, $!) }
+    end
+
+    assert_equal(nil, $!)
+  end
+
+  def test_inspect
+    assert_equal("#<Exception: Exception>", Exception.new.inspect)
+
+    e = Class.new(Exception)
+    e.class_eval do
+      def to_s; ""; end
+    end
+    assert_equal(e.inspect, e.new.inspect)
+  end
+
+  def test_to_s
+    e = StandardError.new("foo")
+    assert_equal("foo", e.to_s)
+
+    def (s = Object.new).to_s
+      "bar"
+    end
+    e = StandardError.new(s)
+    assert_equal("bar", e.to_s)
+  end
+
+  def test_set_backtrace
+    e = Exception.new
+
+    e.set_backtrace("foo")
+    assert_equal(["foo"], e.backtrace)
+
+    e.set_backtrace(%w(foo bar baz))
+    assert_equal(%w(foo bar baz), e.backtrace)
+
+    assert_raise(TypeError) { e.set_backtrace(1) }
+    assert_raise(TypeError) { e.set_backtrace([1]) }
+  end
+
+  def test_exit_success_p
+    begin
+      exit
+    rescue SystemExit => e
+    end
+    assert_send([e, :success?], "success by default")
+
+    begin
+      exit(true)
+    rescue SystemExit => e
+    end
+    assert_send([e, :success?], "true means success")
+
+    begin
+      exit(false)
+    rescue SystemExit => e
+    end
+    assert_not_send([e, :success?], "false means failure")
+
+    begin
+      abort
+    rescue SystemExit => e
+    end
+    assert_not_send([e, :success?], "abort means failure")
+  end
+
+  def test_nomethoderror
+    bug3237 = '[ruby-core:29948]'
+    str = "\u2600"
+    id = :"\u2604"
+    msg = "undefined method `#{id}' for #{str.inspect}:String"
+    assert_raise_with_message(NoMethodError, msg, bug3237) do
+      str.__send__(id)
+    end
+  end
+
+  def test_errno
+    assert_equal(Encoding.find("locale"), Errno::EINVAL.new.message.encoding)
+  end
+
+  def test_too_many_args_in_eval
+    bug5720 = '[ruby-core:41520]'
+    arg_string = (0...140000).to_a.join(", ")
+    assert_raise(SystemStackError, bug5720) {eval "raise(#{arg_string})"}
+  end
+
+  def test_systemexit_new
+    e0 = SystemExit.new
+    assert_equal(0, e0.status)
+    assert_equal("SystemExit", e0.message)
+    ei = SystemExit.new(3)
+    assert_equal(3, ei.status)
+    assert_equal("SystemExit", ei.message)
+    es = SystemExit.new("msg")
+    assert_equal(0, es.status)
+    assert_equal("msg", es.message)
+    eis = SystemExit.new(7, "msg")
+    assert_equal(7, eis.status)
+    assert_equal("msg", eis.message)
+
+    bug5728 = '[ruby-dev:44951]'
+    et = SystemExit.new(true)
+    assert_equal(true, et.success?, bug5728)
+    assert_equal("SystemExit", et.message, bug5728)
+    ef = SystemExit.new(false)
+    assert_equal(false, ef.success?, bug5728)
+    assert_equal("SystemExit", ef.message, bug5728)
+    ets = SystemExit.new(true, "msg")
+    assert_equal(true, ets.success?, bug5728)
+    assert_equal("msg", ets.message, bug5728)
+    efs = SystemExit.new(false, "msg")
+    assert_equal(false, efs.success?, bug5728)
+    assert_equal("msg", efs.message, bug5728)
+  end
+
+  def test_exception_in_name_error_to_str
+    bug5575 = '[ruby-core:41612]'
+    Tempfile.create(["test_exception_in_name_error_to_str", ".rb"]) do |t|
+      t.puts <<-EOC
+      begin
+        BasicObject.new.inspect
+      rescue
+        $!.inspect
+      end
+    EOC
+      t.close
+      assert_nothing_raised(NameError, bug5575) do
+        load(t.path)
+      end
+    end
+  end
+
+  def test_equal
+    bug5865 = '[ruby-core:41979]'
+    assert_equal(RuntimeError.new("a"), RuntimeError.new("a"), bug5865)
+    assert_not_equal(RuntimeError.new("a"), StandardError.new("a"), bug5865)
+  end
+
+  def test_exception_in_exception_equal
+    bug5865 = '[ruby-core:41979]'
+    Tempfile.create(["test_exception_in_exception_equal", ".rb"]) do |t|
+      t.puts <<-EOC
+      o = Object.new
+      def o.exception(arg)
+      end
+      _ = RuntimeError.new("a") == o
+      EOC
+      t.close
+      assert_nothing_raised(ArgumentError, bug5865) do
+        load(t.path)
+      end
+    end
+  end
+
+  Bug4438 = '[ruby-core:35364]'
+
+  def test_rescue_single_argument
+    assert_raise(TypeError, Bug4438) do
+      begin
+        raise
+      rescue 1
+      end
+    end
+  end
+
+  def test_rescue_splat_argument
+    assert_raise(TypeError, Bug4438) do
+      begin
+        raise
+      rescue *Array(1)
+      end
+    end
+  end
+
+  def test_to_s_taintness_propagation
+    for exc in [Exception, NameError]
+      m = "abcdefg"
+      e = exc.new(m)
+      e.taint
+      s = e.to_s
+      assert_equal(false, m.tainted?,
+                   "#{exc}#to_s should not propagate taintness")
+      assert_equal(false, s.tainted?,
+                   "#{exc}#to_s should not propagate taintness")
+    end
+
+    o = Object.new
+    def o.to_str
+      "foo"
+    end
+    o.taint
+    e = NameError.new(o)
+    s = e.to_s
+    assert_equal(false, s.tainted?)
+  end
+
+  def m
+    m(&->{return 0})
+    42
+  end
+
+  def test_stackoverflow
+    feature6216 = '[ruby-core:43794] [Feature #6216]'
+    e = assert_raise(SystemStackError, feature6216) {m}
+    level = e.backtrace.size
+    assert_operator(level, :>, 10, feature6216)
+
+    feature6216 = '[ruby-core:63377] [Feature #6216]'
+    e = assert_raise(SystemStackError, feature6216) {raise e}
+    assert_equal(level, e.backtrace.size, feature6216)
+  end
+
+  def test_machine_stackoverflow
+    bug9109 = '[ruby-dev:47804] [Bug #9109]'
+    assert_separately(%w[--disable-gem], <<-SRC)
+    assert_raise(SystemStackError, #{bug9109.dump}) {
+      h = {a: ->{h[:a].call}}
+      h[:a].call
+    }
+    SRC
+  rescue SystemStackError
+  end
+
+  def test_machine_stackoverflow_by_define_method
+    bug9454 = '[ruby-core:60113] [Bug #9454]'
+    assert_separately(%w[--disable-gem], <<-SRC)
+    assert_raise(SystemStackError, #{bug9454.dump}) {
+      define_method(:foo) {self.foo}
+      self.foo
+    }
+    SRC
+  rescue SystemStackError
+  end
+
+  def test_cause
+    msg = "[Feature #8257]"
+    cause = nil
+    e = assert_raise(StandardError) {
+      begin
+        raise msg
+      rescue => e
+        cause = e.cause
+        raise StandardError
+      end
+    }
+    assert_nil(cause, msg)
+    cause = e.cause
+    assert_instance_of(RuntimeError, cause, msg)
+    assert_equal(msg, cause.message, msg)
+  end
+
+  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
+
+  def test_multibyte_and_newline
+    bug10727 = '[ruby-core:67473] [Bug #10727]'
+    assert_in_out_err([], <<-'end;', [], /\u{306b 307b 3093 3054} \(E\)\n\u{6539 884c}/, bug10727, encoding: "UTF-8")
+      class E < StandardError
+        def initialize
+          super("\u{306b 307b 3093 3054}\n\u{6539 884c}")
+        end
+      end
+      raise E
+    end;
+  end
+end